question stringlengths 53 270 | choice listlengths 4 4 | answer stringlengths 8 167 | id stringlengths 8 26 | audio_url stringlengths 35 53 | question_type stringclasses 7
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|---|---|---|---|---|---|
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency sound below 500 Hz with faint harmonics and steady amplitude.",
"B. A modulated low-frequency tone between 100–1000 Hz with distinct harmonic structures visible over time.",
"C. A high-frequency signal above 5 kHz with rapid frequency modulation and scattered noise.",
"D. A broa... | B. A modulated low-frequency tone between 100–1000 Hz with distinct harmonic structures visible over time. | 81014029 | ../../local_audio_path/81014029.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 81014033_9101204J_72009002 | ../../local_audio_path/81014033_9101204J_72009002.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Northern Right Whale (Eubalaena glacialis)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Blue Whale (Balaenoptera musculus)",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Northern Right Whale (Eubalaena glacialis) | 81014036 | ../../local_audio_path/81014036.wav | species |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Northern Right Whale (Eubalaena glacialis) - Moan",
"B. Humpback Whale (Megaptera novaeangliae) - Complex song phrases",
"C. Blue Whale (Balaenoptera musculus) - Long infrasonic calls",
"D. Sperm Whale (Physeter macrocephalus) - Series of echolocation clicks"
] | A. Northern Right Whale (Eubalaena glacialis) - Moan | 8101403Z | ../../local_audio_path/8101403Z.wav | both |
Which of the following characteristics is specific to the species that produced the sound in the given recording? | [
"A. It has rough patches of skin on its head that appear white due to parasitism by whale lice.",
"B. It constructs underwater bubble nets to trap its prey.",
"C. It relies on echolocation to detect prey in deep, dark waters.",
"D. It migrates primarily to polar regions during breeding season."
] | A. It has rough patches of skin on its head that appear white due to parasitism by whale lice. | 81015005 | ../../local_audio_path/81015005.wav | remember |
Which species is identified from the sound recording? | [
"A. Short-Finned (Pacific) Pilot Whale (Globicephala macrorhynchus)",
"B. Sperm Whale (Physeter macrocephalus)",
"C. False Killer Whale (Pseudorca crassidens)",
"D. Risso's Dolphin (Grampus griseus)"
] | A. Short-Finned (Pacific) Pilot Whale (Globicephala macrorhynchus) | 81037004 | ../../local_audio_path/81037004.wav | species |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A high-frequency sound above 10 kHz with minimal modulation and steady amplitude.",
"B. Overlapping modulated tones primarily in the mid-frequency range of 2–8 kHz, with occasional bursts of higher frequencies.",
"C. A continuous low-frequency hum below 500 Hz, with no distinct variations in intensity.",
... | B. Overlapping modulated tones primarily in the mid-frequency range of 2–8 kHz, with occasional bursts of higher frequencies. | 81037005 | ../../local_audio_path/81037005.wav | understand_acoustics |
Based on the acoustic characteristics of the sound recording, which of the following best describes the primary features of the signal? | [
"A. A series of high-pitched tones with harmonics extending above 10 kHz, interspersed with short burst-like sounds.",
"B. A low-frequency continuous hum below 1 kHz, with no discernible modulation.",
"C. A broad noise pattern spread across all frequencies with no clear tonal structure.",
"D. A steady mid-fre... | A. A series of high-pitched tones with harmonics extending above 10 kHz, interspersed with short burst-like sounds. | 81037008 | ../../local_audio_path/81037008.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A sequence of harmonically related tones in the mid-frequency range (2–8 kHz), with overlapping bursts of higher-frequency activity above 12 kHz.",
"B. A continuous low-frequency tone below 500 Hz, without any significant modulation or variation.",
"C. A broad range of high-frequency noise spread evenly acr... | A. A sequence of harmonically related tones in the mid-frequency range (2–8 kHz), with overlapping bursts of higher-frequency activity above 12 kHz. | 8103700E | ../../local_audio_path/8103700E.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 8103700E_6410300B_65030009 | ../../local_audio_path/8103700E_6410300B_65030009.wav | apply_duration |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A series of high-frequency tonal sweeps above 10 kHz, accompanied by intermittent broadband noise.",
"B. A continuous low-frequency hum below 1 kHz, with no distinct modulation.",
"C. Sporadic bursts of sound in the mid-frequency range of 5–8 kHz, with no tonal structure.",
"D. A steady high-pitched tone ... | A. A series of high-frequency tonal sweeps above 10 kHz, accompanied by intermittent broadband noise. | 8103700L | ../../local_audio_path/8103700L.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A sequence of harmonic tones with fundamental frequencies starting below 2 kHz and extending into higher frequencies, along with intermittent short bursts of sound.",
"B. A broad low-frequency droning sound below 500 Hz, with no clear harmonic structure.",
"C. A continuous high-pitched tone above 15 kHz, wi... | A. A sequence of harmonic tones with fundamental frequencies starting below 2 kHz and extending into higher frequencies, along with intermittent short bursts of sound. | 8103700U | ../../local_audio_path/8103700U.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A low-frequency moaning sound below 500 Hz, with harmonics extending up to 1.5 kHz.",
"B. A high-pitched, rapidly modulating tone above 2 kHz, with no clear harmonic structure.",
"C. A broadband noise evenly distributed across all frequencies, with no distinct tonal features.",
"D. A mid-frequency pulsing... | A. A low-frequency moaning sound below 500 Hz, with harmonics extending up to 1.5 kHz. | 83002002 | ../../local_audio_path/83002002.wav | understand_acoustics |
Which species is identified from the sound recording? | [
"A. Southern Right Whale (Eubalaena australis)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Blue Whale (Balaenoptera musculus)",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Southern Right Whale (Eubalaena australis) | 8300200B | ../../local_audio_path/8300200B.wav | species |
Which of the following behaviors is unique to the species that produced the sound in the given recording? | [
"A. Using their elevated flukes to catch the wind and remain stationary, a behavior known as tail sailing.",
"B. Creating bubble nets to corral prey for easier feeding.",
"C. Coordinating with orcas to hunt large schools of fish.",
"D. Using echolocation to navigate deep underwater caves."
] | A. Using their elevated flukes to catch the wind and remain stationary, a behavior known as tail sailing. | 8300200C | ../../local_audio_path/8300200C.wav | remember |
Which of the following characteristics is specific to the species that produced the sound in the given recording? | [
"A. It is the result of hybrid speciation between two other dolphin species.",
"B. It has been sighted frequently in the Mediterranean Sea.",
"C. It relies on shallow coastal waters for feeding and breeding.",
"D. It has a global distribution across all major oceans."
] | A. It is the result of hybrid speciation between two other dolphin species. | 83006001 | ../../local_audio_path/83006001.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of high-pitched modulating tones above 15 kHz, with faint background clicks.",
"B. Low-frequency droning sounds below 1 kHz, with no distinct modulation or harmonics.",
"C. A continuous mid-frequency tone between 5–10 kHz, without significant variation.",
"D. A wideband noise covering all frequen... | A. A series of high-pitched modulating tones above 15 kHz, with faint background clicks. | 83006002 | ../../local_audio_path/83006002.wav | understand_acoustics |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It is the only confirmed case of hybrid speciation among marine mammals.",
"B. It constructs dens in shallow seafloors to protect its young.",
"C. It has evolved specialized teeth for crushing hard-shelled prey.",
"D. It is known for its ability to mimic human sounds in captivity."
] | A. It is the only confirmed case of hybrid speciation among marine mammals. | 83006009 | ../../local_audio_path/83006009.wav | remember |
What type of vocalization is most likely present in the audio recording? | [
"A. Modulated whistles with clicks in the background",
"B. Continuous tonal hum with no clicks",
"C. Rapid echolocation clicks without whistles",
"D. Intermittent chirps with long silences"
] | A. Modulated whistles with clicks in the background | 8300600A | ../../local_audio_path/8300600A.wav | vocalization |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A low-frequency continuous tone below 5 kHz with minimal variation.",
"B. A high-frequency rising and falling tone above 10 kHz, accompanied by faint repetitive background sounds.",
"C. A broad-spectrum noise pattern evenly distributed across all frequencies.",
"D. A mid-frequency pulsating pattern betwee... | B. A high-frequency rising and falling tone above 10 kHz, accompanied by faint repetitive background sounds. | 8300600C | ../../local_audio_path/8300600C.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 8300600C_6202600D_6000900M | ../../local_audio_path/8300600C_6202600D_6000900M.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Atlantic Spotted Dolphin (Stenella frontalis)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Clymene Dolphin (Stenella clymene)",
"D. Pantropical Spotted Dolphin (Stenella attenuata)"
] | C. Clymene Dolphin (Stenella clymene) | 8300600E | ../../local_audio_path/8300600E.wav | species |
What is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It is the only confirmed case of hybrid speciation in marine mammals.",
"B. It uses its large size and weight to intimidate predators.",
"C. It relies on echolocation to navigate dense coral reef environments.",
"D. It has a distinctive hump on its back used for storing fat reserves."
] | A. It is the only confirmed case of hybrid speciation in marine mammals. | 8300600F | ../../local_audio_path/8300600F.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 8300602E_9220100V_9100501D | ../../local_audio_path/8300602E_9220100V_9100501D.wav | apply_frequency |
What type of vocalization is most evident in the provided sound recording? | [
"A. Clicks, pulsed clicks, and whistle",
"B. Long, continuous tonal hum",
"C. Series of rapid, high-pitched trills",
"D. Isolated low-frequency booms"
] | A. Clicks, pulsed clicks, and whistle | 8300602T | ../../local_audio_path/8300602T.wav | vocalization |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 8300602T_6608400A_6107200O | ../../local_audio_path/8300602T_6608400A_6107200O.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 8300602T_81015005_72009001 | ../../local_audio_path/8300602T_81015005_72009001.wav | apply_frequency |
Based on the sound recording, which of the following best describes the acoustic features of the signal? | [
"A. A low-frequency continuous hum below 5 kHz, with no modulation.",
"B. A high-pitched modulated tone between 15–30 kHz, with faint background clicks.",
"C. A broad noisy signal spanning all frequencies uniformly, with no discernible patterns.",
"D. A series of steady, unmodulated tones in the mid-frequency... | B. A high-pitched modulated tone between 15–30 kHz, with faint background clicks. | 8300604C | ../../local_audio_path/8300604C.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A high-frequency modulating pattern above 15 kHz, accompanied by faint rhythmic background pulses.",
"B. A steady low-frequency hum below 500 Hz with consistent amplitude.",
"C. A series of mid-frequency tones around 2–5 kHz with no modulation or variation.",
"D. A broad noise pattern spread uniformly acr... | A. A high-frequency modulating pattern above 15 kHz, accompanied by faint rhythmic background pulses. | 8300604E | ../../local_audio_path/8300604E.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | A. Sound 1 | 8300604E_8103700V_7500304H | ../../local_audio_path/8300604E_8103700V_7500304H.wav | apply_frequency |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | C. Sound 3 | 8300604E_95003002_64103004 | ../../local_audio_path/8300604E_95003002_64103004.wav | apply_frequency |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A single, continuous low-frequency tone below 1 kHz with no variation in amplitude.",
"B. High-pitched modulating tones between 10–20 kHz, accompanied by faint background clicking sounds.",
"C. A broad noise signal spread across all frequencies with no distinct patterns.",
"D. A mid-frequency tone between... | B. High-pitched modulating tones between 10–20 kHz, accompanied by faint background clicking sounds. | 8300604F | ../../local_audio_path/8300604F.wav | understand_acoustics |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It is the only confirmed case of hybrid speciation among marine mammals.",
"B. It has been regularly sighted in the Mediterranean Sea.",
"C. It relies on coral reefs for its primary habitat.",
"D. It is known for its long snout and solitary behavior."
] | A. It is the only confirmed case of hybrid speciation among marine mammals. | 8300604G | ../../local_audio_path/8300604G.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 8300604G_6107200T_6608400C | ../../local_audio_path/8300604G_6107200T_6608400C.wav | apply_duration |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It is the only confirmed case of hybrid speciation in marine mammals.",
"B. It is known to use echolocation to navigate through coral reefs.",
"C. It migrates annually between the Arctic and tropical regions.",
"D. It constructs underwater bubble nests for mating purposes."
] | A. It is the only confirmed case of hybrid speciation in marine mammals. | 8300604I | ../../local_audio_path/8300604I.wav | remember |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the highest pitch? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are identical in pitch"
] | A. Sound 1 | 8300604I_67009009_70025002 | ../../local_audio_path/8300604I_67009009_70025002.wav | apply_frequency |
Based on the acoustic characteristics of the sound recording, which of the following best describes the signal as visualized in the spectrogram? | [
"A. A sequence of high-frequency tones above 40 kHz, showing both rapid modulation and overlapping harmonic structures.",
"B. A continuous low-frequency hum below 10 kHz, with little variation in amplitude or frequency over time.",
"C. A broad noise signal spread evenly across all frequencies, with no discernib... | A. A sequence of high-frequency tones above 40 kHz, showing both rapid modulation and overlapping harmonic structures. | 8300604J | ../../local_audio_path/8300604J.wav | understand_acoustics |
Which of the following is a unique fact about the species that produced the sound in the given recording? | [
"A. It is the only confirmed case of hybrid speciation in marine mammals.",
"B. It constructs nests in shallow waters to protect its young.",
"C. It relies on echolocation to navigate through dense kelp forests.",
"D. It migrates to polar regions during the summer months for feeding."
] | A. It is the only confirmed case of hybrid speciation in marine mammals. | 8300604K | ../../local_audio_path/8300604K.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the sounds are identical in this characteristic"
] | C. The third sound | 8300604K_8800600G_7500302U | ../../local_audio_path/8300604K_8800600G_7500302U.wav | apply_frequency |
Based on the sound recording, which of the following best describes the acoustic characteristics observed in the audio? | [
"A. A high-frequency modulated tone between 10–15 kHz, accompanied by intermittent broadband noise.",
"B. A continuous low-frequency hum below 1 kHz, with no significant modulation.",
"C. A series of mid-frequency harmonic tones between 5–8 kHz, with consistent intensity.",
"D. A broadband noise spread evenly... | A. A high-frequency modulated tone between 10–15 kHz, accompanied by intermittent broadband noise. | 8300604R | ../../local_audio_path/8300604R.wav | understand_acoustics |
Based on the sound recording, which species is identified by the acoustic signals? | [
"A. Clymene Dolphin (Stenella clymene)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Atlantic Spotted Dolphin (Stenella frontalis)",
"D. Pantropical Spotted Dolphin (Stenella attenuata)"
] | A. Clymene Dolphin (Stenella clymene) | 8300604T | ../../local_audio_path/8300604T.wav | species |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Clymene Dolphin (Stenella clymene) producing clicks and a long 2-looped whistle",
"B. Bottlenose Dolphin (Tursiops truncatus) producing high-pitched whistles and clicks",
"C. Spinner Dolphin (Stenella longirostris) producing rapid burst-pulse sounds with occasional whistles",
"D. Atlantic Spotted Dolphin ... | A. Clymene Dolphin (Stenella clymene) producing clicks and a long 2-looped whistle | 83035003 | ../../local_audio_path/83035003.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 83035003_64103004_7200500L | ../../local_audio_path/83035003_64103004_7200500L.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Atlantic Spotted Dolphin (Stenella frontalis)",
"C. Clymene Dolphin (Stenella clymene)",
"D. Striped Dolphin (Stenella coeruleoalba)"
] | C. Clymene Dolphin (Stenella clymene) | 83035006 | ../../local_audio_path/83035006.wav | species |
What is a distinctive physical characteristic of the species that produced the sound in the given recording? | [
"A. A dorsal fin that is less erect and triangular compared to a closely related species.",
"B. A unique pattern of black and white spots covering its entire body.",
"C. A long, spiral tusk protruding from its forehead.",
"D. A thick layer of blubber that allows it to survive in Arctic waters."
] | A. A dorsal fin that is less erect and triangular compared to a closely related species. | 83035007 | ../../local_audio_path/83035007.wav | remember |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It regularly hunts during the day in shallow coral reefs.",
"B. It is the result of hybrid speciation between two other dolphin species.",
"C. It communicates using whistles beyond the 20 kHz range.",
"D. It primarily feeds on large predatory fish like tuna."
] | B. It is the result of hybrid speciation between two other dolphin species. | 8303501W | ../../local_audio_path/8303501W.wav | remember |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 8303501W_8300604G_60026001 | ../../local_audio_path/8303501W_8300604G_60026001.wav | apply_duration |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | C. The third sound | 8303501W_8501300M_6608400P | ../../local_audio_path/8303501W_8501300M_6608400P.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 8303503Q_56018002_6107202O | ../../local_audio_path/8303503Q_56018002_6107202O.wav | apply_duration |
What unique characteristic is true about the species that produced the sound in the given recording? | [
"A. It has the largest brain of any animal on Earth.",
"B. It primarily feeds on plankton and small crustaceans.",
"C. It is known to form permanent pairs with a mate for life.",
"D. It builds underwater bubble nets to trap prey."
] | A. It has the largest brain of any animal on Earth. | 84014001 | ../../local_audio_path/84014001.wav | remember |
What is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It primarily hunts using bioluminescent signals to attract its prey.",
"B. It has the largest brain of any animal on Earth, weighing more than five times that of a human's.",
"C. It builds temporary nests in deep-sea canyons to rest during long dives.",
"D. It relies on symbiotic relationships with smalle... | B. It has the largest brain of any animal on Earth, weighing more than five times that of a human's. | 84014003 | ../../local_audio_path/84014003.wav | remember |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A series of sharp, evenly spaced bursts of sound, primarily in the mid-to-high frequency range above 2 kHz.",
"B. A continuous low-frequency hum with minimal variation, predominantly below 500 Hz.",
"C. A high-pitched whistle with a steady frequency around 15 kHz, showing little modulation over time.",
"D... | A. A series of sharp, evenly spaced bursts of sound, primarily in the mid-to-high frequency range above 2 kHz. | 84014009 | ../../local_audio_path/84014009.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 84014009_7500101P_72014001 | ../../local_audio_path/84014009_7500101P_72014001.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Sperm Whale (Physeter catodon)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Orca, Killer Whale (Orcinus orca)",
"D. Pilot Whale (Globicephala macrorhynchus)"
] | A. Sperm Whale (Physeter catodon) | 8401400A | ../../local_audio_path/8401400A.wav | species |
Which of the following is a distinctive feature of the species that produced the sound in the given recording? | [
"A. It has the largest brain on Earth, weighing more than five times that of a human's.",
"B. It constructs underwater nests to protect its young from predators.",
"C. It relies on coral reefs for breeding and feeding activities.",
"D. It uses baleen plates to filter food from the water."
] | A. It has the largest brain on Earth, weighing more than five times that of a human's. | 85004003 | ../../local_audio_path/85004003.wav | remember |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Sperm Whale (Physeter catodon) - Coda clicks with a pattern of lll l",
"B. Humpback Whale (Megaptera novaeangliae) - Long melodic song phrases",
"C. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles and echolocation clicks",
"D. Orca (Orcinus orca) - Repeated tonal calls and whistles"
] | A. Sperm Whale (Physeter catodon) - Coda clicks with a pattern of lll l | 85005004 | ../../local_audio_path/85005004.wav | both |
Which type of vocalization is most consistent with the sound recording provided? | [
"A. One whistle with a coda of three short pulses",
"B. Continuous sequence of high-pitched chirps",
"C. Rapid series of echolocation clicks",
"D. Long, modulated tonal call without background noise"
] | A. One whistle with a coda of three short pulses | 85005005 | ../../local_audio_path/85005005.wav | vocalization |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A high-pitched sound with harmonics above 10 kHz and a steady increase in frequency over time.",
"B. A low-frequency continuous rumble below 1 kHz, with no distinct tonal features.",
"C. A mid-frequency tone between 2–5 kHz, with consistent amplitude and no modulation.",
"D. Broad noise across all frequen... | A. A high-pitched sound with harmonics above 10 kHz and a steady increase in frequency over time. | 8500701A | ../../local_audio_path/8500701A.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the most dominant presence in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | C. The third sound | 8500701A_6102602I_75005032 | ../../local_audio_path/8500701A_6102602I_75005032.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 8500701J_66084002_8300604G | ../../local_audio_path/8500701J_66084002_8300604G.wav | apply_duration |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 8500701K_7200200B_91013001 | ../../local_audio_path/8500701K_7200200B_91013001.wav | apply_duration |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A low-frequency rumble below 500 Hz with no distinct tonal features.",
"B. A high-pitched tone with harmonics above 10 kHz, accompanied by background engine noise.",
"C. A continuous mid-frequency sound between 2–5 kHz with no noticeable modulation.",
"D. Sporadic noise spread across all frequencies witho... | B. A high-pitched tone with harmonics above 10 kHz, accompanied by background engine noise. | 8500701L | ../../local_audio_path/8500701L.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. High-frequency clicks above 10 kHz with occasional tonal elements and increasing intensity over time.",
"B. A continuous low-frequency hum below 500 Hz with minimal variation in amplitude.",
"C. A steady mid-frequency tone between 3–5 kHz with no noticeable modulation.",
"D. Broad-spectrum noise evenly di... | A. High-frequency clicks above 10 kHz with occasional tonal elements and increasing intensity over time. | 85009001 | ../../local_audio_path/85009001.wav | understand_acoustics |
What type of vocalization is most likely represented in the audio recording? | [
"A. Squeals with a fast series of clicks",
"B. Long tonal whistles with occasional pauses",
"C. Deep growls with slow pulsed sounds",
"D. High-pitched trills with overlapping tones"
] | A. Squeals with a fast series of clicks | 85009003 | ../../local_audio_path/85009003.wav | vocalization |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 85009003_66084002_5903000C | ../../local_audio_path/85009003_66084002_5903000C.wav | apply_duration |
What type of vocalization is most likely represented in the provided sound recording? | [
"A. Slow, repetitive clicks",
"B. Fast series of clicks",
"C. Long, continuous whistles",
"D. Low-frequency hums"
] | B. Fast series of clicks | 85009005 | ../../local_audio_path/85009005.wav | vocalization |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 85009005_70025005_7501400N | ../../local_audio_path/85009005_70025005_7501400N.wav | apply_duration |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 85013007_67010007_70025002 | ../../local_audio_path/85013007_67010007_70025002.wav | apply_duration |
Based on the acoustic characteristics of the sound recording, which of the following best describes the main features observed in the spectrogram? | [
"A. A series of high-frequency modulated tones above 10 kHz with distinct harmonic structures.",
"B. A low-frequency droning sound below 1 kHz with minimal variation over time.",
"C. A broad-spectrum noise evenly distributed across all frequencies with no clear patterns.",
"D. A steady mid-frequency sound bet... | A. A series of high-frequency modulated tones above 10 kHz with distinct harmonic structures. | 8501300A | ../../local_audio_path/8501300A.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are the same in lower frequencies"
] | B. Sound 2 | 8501300D_64104006_6107200O | ../../local_audio_path/8501300D_64104006_6107200O.wav | apply_frequency |
Based on the acoustic characteristics of the sound recording, which of the following best describes the prominent features of the signal? | [
"A. High-frequency tonal sounds above 30 kHz, with no modulated components.",
"B. A combination of distinct modulated tones between 5–15 kHz and rapid, broadband pulses spanning a wide frequency range.",
"C. Low-frequency steady hum below 1 kHz with minimal variation over time.",
"D. A continuous, unmodulated... | B. A combination of distinct modulated tones between 5–15 kHz and rapid, broadband pulses spanning a wide frequency range. | 8501300E | ../../local_audio_path/8501300E.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 8501300E_59005004_89514013 | ../../local_audio_path/8501300E_59005004_89514013.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All are identical"
] | A. The first sound | 8501300E_6608400Z_72009001 | ../../local_audio_path/8501300E_6608400Z_72009001.wav | apply_frequency |
What type of vocalization is most likely identified in the sound recording? | [
"A. One whistle",
"B. A series of short clicks",
"C. Multiple overlapping whistles",
"D. Continuous low-frequency hum"
] | A. One whistle | 8501300M | ../../local_audio_path/8501300M.wav | vocalization |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 8501300M_88006008_7100401F | ../../local_audio_path/8501300M_88006008_7100401F.wav | apply_duration |
What is a notable behavior of the species that produced the sound in the given recording? | [
"A. Frequently bow-riding alongside boats and ships",
"B. Engaging in self-intoxication using puffer fish toxins",
"C. Using coral reefs as nurseries for their young",
"D. Forming permanent pods of over 100 individuals"
] | B. Engaging in self-intoxication using puffer fish toxins | 8501300R | ../../local_audio_path/8501300R.wav | remember |
What type of vocalization is most likely heard in the provided sound recording? | [
"A. Single whistle with clicks in the background",
"B. Series of modulated chirps",
"C. Continuous tonal hum",
"D. Sequence of rapid echolocation clicks without whistles"
] | A. Single whistle with clicks in the background | 8501300S | ../../local_audio_path/8501300S.wav | vocalization |
Which species and vocalization type are most consistent with the sound recording provided? | [
"A. Bottlenose Dolphin (Tursiops truncatus) - Series of high-frequency whistles with no background clicks",
"B. Rough-Toothed Dolphin (Steno bredanensis) - One whistle with clicks and faint background whistles",
"C. Spinner Dolphin (Stenella longirostris) - Rapid whistle sequences interspersed with burst-pulse ... | B. Rough-Toothed Dolphin (Steno bredanensis) - One whistle with clicks and faint background whistles | 8501300X | ../../local_audio_path/8501300X.wav | both |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A high-pitched sound with frequencies above 20 kHz, accompanied by intermittent background noise from lower frequencies.",
"B. A low-frequency continuous hum below 1 kHz, with minimal variation over time.",
"C. A broad noise pattern spread across all frequencies, with no distinct tonal features.",
"D. A s... | A. A high-pitched sound with frequencies above 20 kHz, accompanied by intermittent background noise from lower frequencies. | 8501300Y | ../../local_audio_path/8501300Y.wav | understand_acoustics |
What is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It has a narrowly shaped beak that is a diagnostic feature of the species.",
"B. It is primarily found in polar regions and feeds on krill.",
"C. It is known to regularly inhabit coral reefs and shallow coastal waters.",
"D. It belongs to the subfamily Delphininae due to its slender body shape."
] | A. It has a narrowly shaped beak that is a diagnostic feature of the species. | 8501301A | ../../local_audio_path/8501301A.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the sounds are equally dominant in lower frequencies"
] | C. The third sound | 8501301A_6301900B_64103006 | ../../local_audio_path/8501301A_6301900B_64103006.wav | apply_frequency |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Rough-Toothed Dolphin (Steno bredanensis) - One whistle with clicks in the background",
"B. Bottlenose Dolphin (Tursiops truncatus) - Multiple tonal whistles with no background clicks",
"C. Spinner Dolphin (Stenella longirostris) - Rapid burst pulses and echolocation clicks",
"D. Common Dolphin (Delphinus... | A. Rough-Toothed Dolphin (Steno bredanensis) - One whistle with clicks in the background | 8501301J | ../../local_audio_path/8501301J.wav | both |
What type of vocalization is heard in the provided sound recording? | [
"A. One loud whistle",
"B. Multiple short chirps",
"C. Rapid clicking sounds",
"D. Continuous trilling"
] | A. One loud whistle | 85014005 | ../../local_audio_path/85014005.wav | vocalization |
Which unique physical characteristic helps identify the species that produced the sound in the given recording? | [
"A. A visibly bulging melon on the forehead",
"B. Teeth with a roughened surface formed by narrow irregular ridges",
"C. A short and stubby snout with no pronounced beak",
"D. Brightly colored patterns of black and white on its body"
] | B. Teeth with a roughened surface formed by narrow irregular ridges | 8501400B | ../../local_audio_path/8501400B.wav | remember |
Which species is identified from the sound recording? | [
"A. Rough-Toothed Dolphin (Steno bredanensis)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Atlantic Spotted Dolphin (Stenella frontalis)",
"D. Clymene Dolphin (Stenella clymene)"
] | A. Rough-Toothed Dolphin (Steno bredanensis) | 8501400N | ../../local_audio_path/8501400N.wav | species |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | B. Sound 2 | 8501400N_92301007_63015003 | ../../local_audio_path/8501400N_92301007_63015003.wav | apply_duration |
Which species and vocalization type are most likely represented in the sound recording? | [
"A. Rough-Toothed Dolphin (Steno bredanensis) producing a single whistle with ship noise below 1120 Hz",
"B. Bottlenose Dolphin (Tursiops truncatus) producing a series of high-frequency echolocation clicks",
"C. Spinner Dolphin (Stenella longirostris) producing rapid burst-pulse sounds",
"D. Short-Finned Pilo... | A. Rough-Toothed Dolphin (Steno bredanensis) producing a single whistle with ship noise below 1120 Hz | 8501400Q | ../../local_audio_path/8501400Q.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | C. The third sound | 8501400S_9101200I_89514001 | ../../local_audio_path/8501400S_9101200I_89514001.wav | apply_frequency |
Based on the acoustic characteristics observed in the sound recording, which of the following best describes the dominant feature of the signal? | [
"A. A series of high-frequency modulated tones above 15 kHz, interspersed with brief, rapid broadband clicks.",
"B. A low-frequency droning sound below 500 Hz, with no discernible modulation.",
"C. A continuous mid-frequency tone between 5–10 kHz, with little variation in amplitude.",
"D. A broad, evenly dist... | A. A series of high-frequency modulated tones above 15 kHz, interspersed with brief, rapid broadband clicks. | 87003005 | ../../local_audio_path/87003005.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the lowest dominant frequency range? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | B. Sound 2 | 87017003_6000900M_6102500B | ../../local_audio_path/87017003_6000900M_6102500B.wav | apply_frequency |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Sperm Whale (Physeter catodon) - Identity coda exchange and overlap of identity codas",
"B. Bottlenose Dolphin (Tursiops truncatus) - Series of high-pitched tonal whistles",
"C. Humpback Whale (Megaptera novaeangliae) - Long melodic moans and complex song patterns",
"D. Killer Whale (Orcinus orca) - Repea... | A. Sperm Whale (Physeter catodon) - Identity coda exchange and overlap of identity codas | 87017004 | ../../local_audio_path/87017004.wav | both |
Which species is identified from the sound recording? | [
"A. Sperm Whale (Physeter catodon)",
"B. Blue Whale (Balaenoptera musculus)",
"C. Humpback Whale (Megaptera novaeangliae)",
"D. Pilot Whale (Globicephala melas)"
] | A. Sperm Whale (Physeter catodon) | 8800201N | ../../local_audio_path/8800201N.wav | species |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It uses its massive triangular skull to break through Arctic ice.",
"B. It primarily inhabits tropical and subtropical waters throughout the world.",
"C. It is known for its distinctive dorsal fin with white patches that aid in identification.",
"D. It relies on coral reefs as a primary habitat for feedin... | A. It uses its massive triangular skull to break through Arctic ice. | 88006005 | ../../local_audio_path/88006005.wav | remember |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Bowhead Whale (Balaena mysticetus) - Growl, squeal",
"B. Humpback Whale (Megaptera novaeangliae) - Complex song sequences",
"C. Sperm Whale (Physeter macrocephalus) - Series of loud clicks",
"D. Blue Whale (Balaenoptera musculus) - Low-frequency hums"
] | A. Bowhead Whale (Balaena mysticetus) - Growl, squeal | 88006008 | ../../local_audio_path/88006008.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 8800600E_67009006_6800200C | ../../local_audio_path/8800600E_67009006_6800200C.wav | apply_duration |
Based on the acoustic characteristics of the sound in the recording, which of the following descriptions best matches the main features observed in the spectrogram? | [
"A. A low-frequency growling sound with harmonics mostly below 1 kHz, with some modulation over time.",
"B. High-pitched continuous tones above 4 kHz, with steady amplitude and no significant variation.",
"C. Broad-spectrum noise spread evenly across all frequencies from 0–5 kHz, with no distinct patterns.",
... | A. A low-frequency growling sound with harmonics mostly below 1 kHz, with some modulation over time. | 8800600F | ../../local_audio_path/8800600F.wav | understand_acoustics |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It has the largest mouth among all animals, representing nearly one-third of its body length.",
"B. It primarily relies on echolocation to hunt prey in the deep ocean.",
"C. It constructs intricate bubble nets to trap schools of fish.",
"D. It migrates thousands of miles annually between tropical breeding... | A. It has the largest mouth among all animals, representing nearly one-third of its body length. | 8800600G | ../../local_audio_path/8800600G.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. Cannot determine"
] | C. The third sound | 8800600I_74003001_8300604K | ../../local_audio_path/8800600I_74003001_8300604K.wav | apply_frequency |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | B. Sound 2 | 8800600J_5903002N_5801403R | ../../local_audio_path/8800600J_5903002N_5801403R.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 8800600J_83006031_66084010 | ../../local_audio_path/8800600J_83006031_66084010.wav | apply_duration |
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