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 steady high-frequency tone around 30 kHz accompanied by faint, lower-frequency background noise.",
"B. A continuous low-frequency hum below 500 Hz with no clear intensity variation over time.",
"C. A series of mid-frequency oscillations between 2–5 kHz that gradually rise in amplitude.",
"D. A broad ran... | A. A steady high-frequency tone around 30 kHz accompanied by faint, lower-frequency background noise. | 6800200G | ../../local_audio_path/6800200G.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"
] | A. Sound 1 | 6804000C_8303503N_9101300E | ../../local_audio_path/6804000C_8303503N_9101300E.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Narwhal (Monodon monoceros)",
"B. Beluga Whale (Delphinapterus leucas)",
"C. Sperm Whale (Physeter macrocephalus)",
"D. Bowhead Whale (Balaena mysticetus)"
] | A. Narwhal (Monodon monoceros) | 6804000D | ../../local_audio_path/6804000D.wav | species |
What type of vocalization is primarily identified in the sound recording? | [
"A. Series of rapid clicks with water sounds",
"B. Continuous tonal whistles",
"C. Long, modulated calls with pauses",
"D. High-pitched chirps and harmonic tones"
] | A. Series of rapid clicks with water sounds | 6804000Q | ../../local_audio_path/6804000Q.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 | 6804000Q_70025001_8300602T | ../../local_audio_path/6804000Q_70025001_8300602T.wav | apply_duration |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A high-frequency tone starting around 10 kHz, gradually increasing in pitch, accompanied by low-level background noise.",
"B. A low-frequency hum below 500 Hz, with no significant modulation over time.",
"C. A broad-spectrum noise evenly distributed across all frequencies, with no clear tonal structure.",
... | A. A high-frequency tone starting around 10 kHz, gradually increasing in pitch, accompanied by low-level background noise. | 70006003 | ../../local_audio_path/70006003.wav | understand_acoustics |
Which of the following physical traits is characteristic of the species that produced the sound in the given recording? | [
"A. A long, slender beak with pronounced whiskers in adulthood",
"B. A robust body with a short white beak and light grey 'saddle' behind the dorsal fin",
"C. A completely black dorsal fin and flippers with no color variation",
"D. A body covered in fine fur to maintain warmth in cold waters"
] | B. A robust body with a short white beak and light grey 'saddle' behind the dorsal fin | 70006004 | ../../local_audio_path/70006004.wav | remember |
Which species and vocalization type is most likely represented in the sound recording? | [
"A. White-beaked Dolphin (Lagenorhynchus albirostris) producing whistles and clicks with ship engine noise",
"B. Bottlenose Dolphin (Tursiops truncatus) producing tonal whistles without background noise",
"C. Short-Finned Pilot Whale (Globicephala macrorhynchus) producing burst-pulse calls with no whistles",
... | A. White-beaked Dolphin (Lagenorhynchus albirostris) producing whistles and clicks with ship engine noise | 7001300E | ../../local_audio_path/7001300E.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"
] | C. The third sound | 7001300E_56018002_57021002 | ../../local_audio_path/7001300E_56018002_57021002.wav | apply_duration |
Which of the following physical characteristics is specific to the species that produced the sound in the given recording? | [
"A. It has a white or ashy grey beak, with some individuals lacking visible teeth at the front of the jaw.",
"B. It has a long, slender beak and is covered in dense fur for insulation in cold waters.",
"C. It has a fully pink body with no dorsal fin and inhabits freshwater river systems.",
"D. It has a large,... | A. It has a white or ashy grey beak, with some individuals lacking visible teeth at the front of the jaw. | 7001400T | ../../local_audio_path/7001400T.wav | remember |
Which of the following characteristics is unique to the species that produced the sound in the given recording? | [
"A. It possesses up to 92 vertebrae, more than any other species of oceanic dolphin.",
"B. It uses baleen plates to filter-feed on krill and small fish.",
"C. It is primarily solitary and avoids forming large social groups.",
"D. It relies on echolocation clicks with a peak frequency of 15 kHz for navigation.... | A. It possesses up to 92 vertebrae, more than any other species of oceanic dolphin. | 7001400V | ../../local_audio_path/7001400V.wav | remember |
Which species is identified from the sound recording? | [
"A. White-beaked Dolphin (Lagenorhynchus albirostris)",
"B. Common Dolphin (Delphinus delphis)",
"C. Harbor Porpoise (Phocoena phocoena)",
"D. Bottlenose Dolphin (Tursiops truncatus)"
] | A. White-beaked Dolphin (Lagenorhynchus albirostris) | 70014011 | ../../local_audio_path/70014011.wav | species |
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 | 70014011_91013008_6301900T | ../../local_audio_path/70014011_91013008_6301900T.wav | apply_duration |
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 | 70014014_7500301P_9220100W | ../../local_audio_path/70014014_7500301P_9220100W.wav | apply_duration |
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 tonal calls",
"D. Sperm Whale (Physeter macrocephalus) - Click series"
] | A. Northern Right Whale (Eubalaena glacialis) - Moan | 7001800B | ../../local_audio_path/7001800B.wav | both |
Which species is identified from the sound recording? | [
"A. Northern Right Whale (Eubalaena glacialis)",
"B. Blue Whale (Balaenoptera musculus)",
"C. Humpback Whale (Megaptera novaeangliae)",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Northern Right Whale (Eubalaena glacialis) | 7001800T | ../../local_audio_path/7001800T.wav | species |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency tone below 500 Hz with faint harmonic overtones.",
"B. A series of distinct low-to-mid frequency tones between 100–1000 Hz, with noticeable harmonic structure and background noise.",
"C. Random bursts of high-frequency tones above 4000 Hz with no clear harmonic structure.",
"D. ... | B. A series of distinct low-to-mid frequency tones between 100–1000 Hz, with noticeable harmonic structure and background noise. | 7001800U | ../../local_audio_path/7001800U.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 exhibits the highest pitch range? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds have the same pitch range"
] | C. Sound 3 | 70025001_6202600C_72007037 | ../../local_audio_path/70025001_6202600C_72007037.wav | apply_frequency |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of harmonic tones below 5 kHz, with a clear fundamental frequency and periodic structure.",
"B. A continuous high-frequency noise above 8 kHz, with no distinct tonal features.",
"C. A low-frequency rumble below 1 kHz, with minimal variation over time.",
"D. Sporadic bursts of sound spread evenly ... | A. A series of harmonic tones below 5 kHz, with a clear fundamental frequency and periodic structure. | 70025002 | ../../local_audio_path/70025002.wav | understand_acoustics |
What type of sound is primarily identified in the audio recording? | [
"A. Buzzing ice sounds with faint background vocalizations",
"B. High-pitched squeals with rhythmic pulses",
"C. Continuous deep rumbles with no background noise",
"D. Rapid echolocation clicks without accompanying tones"
] | A. Buzzing ice sounds with faint background vocalizations | 70025004 | ../../local_audio_path/70025004.wav | vocalization |
Which species and vocalization type is most likely represented in the sound recording? | [
"A. Bearded Seal (Erignathus barbatus) - Buzzing ice sounds and background calls",
"B. Gray Whale (Eschrichtius robustus) - Low-frequency moans and knocks",
"C. Ringed Seal (Pusa hispida) - High-pitched chirps and whistles",
"D. Weddell Seal (Leptonychotes weddellii) - Trilling calls under ice"
] | A. Bearded Seal (Erignathus barbatus) - Buzzing ice sounds and background calls | 70025005 | ../../local_audio_path/70025005.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 highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds have the same pitch"
] | C. The third sound | 70025005_6301900B_7500304H | ../../local_audio_path/70025005_6301900B_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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are identical in duration"
] | C. Sound 3 | 70025005_7702801D_72019001 | ../../local_audio_path/70025005_7702801D_72019001.wav | apply_duration |
What is one distinguishing physical feature of the species that produced the sound in the given recording? | [
"A. A dorsal fin with a unique crescent shape",
"B. Square fore flippers and thick bristles on its muzzle",
"C. A long, prehensile tail used for grasping objects",
"D. Brightly colored skin patterns used for camouflage"
] | B. Square fore flippers and thick bristles on its muzzle | 70025007 | ../../local_audio_path/70025007.wav | remember |
Which species is identified from the sound recording? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Bottlenose Dolphin (Tursiops truncatus)",
"C. Common Dolphin (Delphinus delphis)",
"D. Risso's Dolphin (Grampus griseus)"
] | A. Spinner Dolphin (Stenella longirostris) | 7100100C | ../../local_audio_path/7100100C.wav | species |
Based on the acoustic characteristics of the sound, which of the following best describes the main features of the recording? | [
"A. A low-frequency hum below 1 kHz with minimal modulation and steady amplitude.",
"B. A continuous, high-pitched tone above 15 kHz with slight modulation over time.",
"C. Broad-band noise spread across all frequencies with no distinct patterns.",
"D. Intermittent mid-frequency tones between 3–5 kHz with abr... | B. A continuous, high-pitched tone above 15 kHz with slight modulation over time. | 71001010 | ../../local_audio_path/71001010.wav | understand_acoustics |
Which of the following behaviors is characteristic of the species that produced the sound in the given recording? | [
"A. Resting in shallow bays near deep water during the day and foraging at night",
"B. Using coral reefs as a primary habitat for resting and feeding",
"C. Migrating long distances seasonally to colder waters for feeding",
"D. Forming permanent monogamous pairs for life"
] | A. Resting in shallow bays near deep water during the day and foraging at night | 7100101B | ../../local_audio_path/7100101B.wav | remember |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency sound below 5 kHz with no distinct changes over time",
"B. A high-pitched sound with steady frequency components above 15 kHz, accompanied by intermittent short bursts",
"C. A broad-spectrum noise evenly distributed across all frequencies with no clear structure",
"D. A sequence... | B. A high-pitched sound with steady frequency components above 15 kHz, accompanied by intermittent short bursts | 7100101K | ../../local_audio_path/7100101K.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A high-pitched, steady tone above 15 kHz with slight downward modulation over time.",
"B. A continuous low-frequency hum below 500 Hz with no noticeable variation.",
"C. A series of rapidly modulating tones in the mid-frequency range between 2–5 kHz.",
"D. Intermittent bursts of sound spread evenly across... | A. A high-pitched, steady tone above 15 kHz with slight downward modulation over time. | 7100101O | ../../local_audio_path/7100101O.wav | understand_acoustics |
Which of the following behaviors is specific to the species that produced the sound in the given recording? | [
"A. Resting in shallow bays during the daytime and foraging offshore at night",
"B. Using baleen plates to filter-feed on plankton and small fish",
"C. Constructing dens on the seafloor to protect their young",
"D. Migrating thousands of miles annually between polar and tropical waters"
] | A. Resting in shallow bays during the daytime and foraging offshore at night | 7100101V | ../../local_audio_path/7100101V.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A steady mid-frequency tone between 5–10 kHz with minimal variation over time.",
"B. A high-frequency tone above 15 kHz with gradual modulation and intermittent vertical features indicating short bursts.",
"C. A low-frequency hum below 1 kHz with no discernible changes in amplitude or frequency.",
"D. A b... | B. A high-frequency tone above 15 kHz with gradual modulation and intermittent vertical features indicating short bursts. | 71001022 | ../../local_audio_path/71001022.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"
] | C. The third sound | 7100102W_6102500N_6700900L | ../../local_audio_path/7100102W_6102500N_6700900L.wav | apply_duration |
Which species is identified from the sound in the recording? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Bottlenose Dolphin (Tursiops truncatus)",
"C. Risso's Dolphin (Grampus griseus)",
"D. Common Dolphin (Delphinus delphis)"
] | A. Spinner Dolphin (Stenella longirostris) | 71001030 | ../../local_audio_path/71001030.wav | species |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A low-frequency continuous hum below 1 kHz with minimal variation over time.",
"B. A rising high-pitched tone starting around 5 kHz and increasing in frequency up to 20 kHz, accompanied by faint background noise.",
"C. A broad, scattered noise pattern evenly covering all frequencies up to 40 kHz.",
"D. A ... | B. A rising high-pitched tone starting around 5 kHz and increasing in frequency up to 20 kHz, accompanied by faint background noise. | 71001031 | ../../local_audio_path/71001031.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"
] | C. The third sound | 71001031_7500403N_8300602C | ../../local_audio_path/71001031_7500403N_8300602C.wav | apply_duration |
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 | 71001032_9357000P_70025007 | ../../local_audio_path/71001032_9357000P_70025007.wav | apply_frequency |
Which species is identified from the sound in the recording? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Bottlenose Dolphin (Tursiops truncatus)",
"C. Short-finned Pilot Whale (Globicephala macrorhynchus)",
"D. Common Dolphin (Delphinus delphis)"
] | A. Spinner Dolphin (Stenella longirostris) | 71001033 | ../../local_audio_path/71001033.wav | species |
Which of the following characteristics is specific to the species that produced the sound in the given recording? | [
"A. It is known for rotating around its longitudinal axis during leaps.",
"B. It constructs bubble nets to corral prey during feeding.",
"C. It uses echolocation to navigate exclusively in deep-sea environments.",
"D. It is primarily found in cold polar waters and relies on blubber for insulation."
] | A. It is known for rotating around its longitudinal axis during leaps. | 7100103C | ../../local_audio_path/7100103C.wav | remember |
Which species and vocalization type is most likely represented by the given sound recording? | [
"A. Spinner Dolphin (Stenella longirostris) producing whistles and clicks",
"B. Bottlenose Dolphin (Tursiops truncatus) producing tonal whistles with no clicks",
"C. Humpback Whale (Megaptera novaeangliae) producing long melodic moans",
"D. Risso's Dolphin (Grampus griseus) producing pulsed click bursts"
] | A. Spinner Dolphin (Stenella longirostris) producing whistles and clicks | 7100103E | ../../local_audio_path/7100103E.wav | both |
What type of vocalization is most likely identified in the sound recording? | [
"A. Whistles and clicks",
"B. Modulated hums and buzzes",
"C. Sharp barks and growls",
"D. Continuous low-frequency rumbles"
] | A. Whistles and clicks | 7100103G | ../../local_audio_path/7100103G.wav | vocalization |
Which of the following behaviors is characteristic of the species that produced the sound in the given recording? | [
"A. Resting in shallow bays during the daytime and foraging offshore at night",
"B. Coordinating hunting strategies by creating bubble nets",
"C. Using coral formations as tools for hunting prey",
"D. Migrating thousands of miles annually to breed in colder waters"
] | A. Resting in shallow bays during the daytime and foraging offshore at night | 71003007 | ../../local_audio_path/71003007.wav | remember |
Based on the acoustic characteristics of the sound, which of the following best describes the main features of the recording? | [
"A. A series of high-frequency tones above 30 kHz with strong harmonics and minimal modulation.",
"B. A rapidly modulating high-pitched sound in the range of 15–20 kHz, accompanied by faint clicks and a harmonic structure.",
"C. A continuous low-frequency hum below 5 kHz with no significant changes over time.",... | B. A rapidly modulating high-pitched sound in the range of 15–20 kHz, accompanied by faint clicks and a harmonic structure. | 7100300B | ../../local_audio_path/7100300B.wav | understand_acoustics |
What unique behavior is associated with the species that produced the sound in the given recording? | [
"A. Rotating around its longitudinal axis while leaping through the air",
"B. Using echolocation exclusively for mating rituals",
"C. Building underwater nests to protect its young",
"D. Storing food in seaweed bundles for later consumption"
] | A. Rotating around its longitudinal axis while leaping through the air | 7100300O | ../../local_audio_path/7100300O.wav | remember |
Based on the acoustic characteristics of the sound recording, which of the following best describes the main features of the signal? | [
"A. A consistent low-frequency tone below 500 Hz with no noticeable modulation.",
"B. High-pitched, rapidly modulating tones above 10 kHz, with occasional discrete tonal elements.",
"C. A uniform broad-spectrum noise across all frequencies with no distinct tonal features.",
"D. A series of steady mid-frequenc... | B. High-pitched, rapidly modulating tones above 10 kHz, with occasional discrete tonal elements. | 7100300S | ../../local_audio_path/7100300S.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 are the same"
] | C. Sound 3 | 7100300S_89514001_6700900R | ../../local_audio_path/7100300S_89514001_6700900R.wav | apply_frequency |
Which species is identified from the sound recording? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Bottlenose Dolphin (Tursiops truncatus)",
"C. Common Dolphin (Delphinus delphis)",
"D. Risso's Dolphin (Grampus griseus)"
] | A. Spinner Dolphin (Stenella longirostris) | 7100300U | ../../local_audio_path/7100300U.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 | 7100401A_6804000D_66084002 | ../../local_audio_path/7100401A_6804000D_66084002.wav | apply_duration |
Based on the sound recording, which of the following best describes the primary acoustic features observed in the signal? | [
"A. A steady, low-frequency tone below 1 kHz with no noticeable modulation.",
"B. Intermittent high-frequency modulated tones above 15 kHz, accompanied by faint background noise.",
"C. A continuous mid-frequency hum between 5–10 kHz with minimal variation in amplitude.",
"D. A broad noise pattern spreading ev... | B. Intermittent high-frequency modulated tones above 15 kHz, accompanied by faint background noise. | 7100401D | ../../local_audio_path/7100401D.wav | understand_acoustics |
Which species and vocalization type does the sound recording most likely correspond to? | [
"A. Spinner Dolphin (Stenella longirostris) - Whistles and clicks",
"B. Bottlenose Dolphin (Tursiops truncatus) - Tonal whistles without clicks",
"C. Humpback Whale (Megaptera novaeangliae) - Long melodic moans",
"D. Risso's Dolphin (Grampus griseus) - Pulsed burst clicks"
] | A. Spinner Dolphin (Stenella longirostris) - Whistles and clicks | 7100401G | ../../local_audio_path/7100401G.wav | both |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A low-frequency rumble below 1 kHz, with no distinct tonal structure.",
"B. A series of high-frequency tones above 10 kHz, showing distinct modulations and harmonic patterns over time.",
"C. A continuous mid-frequency hum between 2–5 kHz with steady amplitude.",
"D. A broad noise pattern with frequencies ... | B. A series of high-frequency tones above 10 kHz, showing distinct modulations and harmonic patterns over time. | 7100401H | ../../local_audio_path/7100401H.wav | understand_acoustics |
Based on the acoustic characteristics of the sound, which of the following best describes the main feature of the recording? | [
"A. A continuous low-frequency tone below 5 kHz with minimal variation over time.",
"B. Rapidly modulating high-frequency tones above 15 kHz, with distinct harmonic structures and occasional frequency sweeps.",
"C. A single mid-frequency tone between 5–10 kHz that remains steady throughout the recording.",
"D... | B. Rapidly modulating high-frequency tones above 15 kHz, with distinct harmonic structures and occasional frequency sweeps. | 71008001 | ../../local_audio_path/71008001.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"
] | C. The third sound | 71008001_6102602I_59037014 | ../../local_audio_path/71008001_6102602I_59037014.wav | apply_duration |
What is a distinctive behavior of the species that produced the sound in the given recording? | [
"A. Rotating around its longitudinal axis while leaping through the air",
"B. Using echolocation to stun prey before capturing them",
"C. Creating bubble nets to herd prey into dense clusters",
"D. Building underwater shelters from coral fragments"
] | A. Rotating around its longitudinal axis while leaping through the air | 71008002 | ../../local_audio_path/71008002.wav | remember |
Which species and vocalization type best match the sound recording provided? | [
"A. Spinner Dolphin (Stenella longirostris) producing whistles and clicks",
"B. Bottlenose Dolphin (Tursiops truncatus) producing high-pitched whistles with sharp squeals",
"C. Humpback Whale (Megaptera novaeangliae) producing deep moans and melodic songs",
"D. Risso's Dolphin (Grampus griseus) producing burs... | A. Spinner Dolphin (Stenella longirostris) producing whistles and clicks | 7100800L | ../../local_audio_path/7100800L.wav | both |
What type of vocalization is most likely represented in the sound recording? | [
"A. Whistles, clicks, and pulse bursts",
"B. Continuous low-frequency hums",
"C. Long tonal moans with no interruptions",
"D. Rapidly repeating chirps"
] | A. Whistles, clicks, and pulse bursts | 7100801E | ../../local_audio_path/7100801E.wav | vocalization |
What is a notable behavior of the species that produced the sound in the given recording? | [
"A. Rotating around its longitudinal axis while leaping through the air",
"B. Using echolocation to navigate in complete darkness within deep ocean trenches",
"C. Constructing nests in shallow coastal waters to protect its young",
"D. Engaging in cooperative hunting with orcas to catch larger prey"
] | A. Rotating around its longitudinal axis while leaping through the air | 7100801F | ../../local_audio_path/7100801F.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 same"
] | B. The second sound | 7100801F_6608400P_7500305I | ../../local_audio_path/7100801F_6608400P_7500305I.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"
] | C. The third sound | 7100801L_56018002_9357000P | ../../local_audio_path/7100801L_56018002_9357000P.wav | apply_duration |
What is a notable behavior of the species that produced the sound in the given recording? | [
"A. Rotating around its longitudinal axis while leaping through the air",
"B. Constructing bubble nests to protect its offspring",
"C. Using echolocation to create underwater snares for prey",
"D. Mimicking the sounds of other marine species to confuse predators"
] | A. Rotating around its longitudinal axis while leaping through the air | 7100801O | ../../local_audio_path/7100801O.wav | remember |
Based on the acoustic characteristics of the sound recording, which of the following best describes the main features of the signal? | [
"A. A low-frequency sound below 5 kHz with a continuous, unmodulated tone.",
"B. A high-pitched, modulating tone between 10–20 kHz, accompanied by vertical harmonic patterns.",
"C. A broad noise spread evenly across all frequencies with no distinct patterns.",
"D. A mid-frequency consistent tone in the range ... | B. A high-pitched, modulating tone between 10–20 kHz, accompanied by vertical harmonic patterns. | 7101001G | ../../local_audio_path/7101001G.wav | understand_acoustics |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A series of harmonic tones with frequencies gradually increasing from low to mid-range (300–2000 Hz) over time.",
"B. A continuous high-frequency sound above 10 kHz with minimal modulation.",
"C. A broadband noise pattern evenly distributed across all frequencies.",
"D. A low-frequency hum below 500 Hz wi... | A. A series of harmonic tones with frequencies gradually increasing from low to mid-range (300–2000 Hz) over time. | 71012001 | ../../local_audio_path/71012001.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 | 71012001_5903000A_56026007 | ../../local_audio_path/71012001_5903000A_56026007.wav | apply_duration |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A sequence of distinct harmonic tones starting at low frequencies (below 500 Hz) and progressively ascending in pitch over time.",
"B. A continuous high-frequency noise above 2000 Hz with no discernible patterns or variations.",
"C. A steady low-frequency hum around 500 Hz with no changes in pitch or intens... | A. A sequence of distinct harmonic tones starting at low frequencies (below 500 Hz) and progressively ascending in pitch over time. | 71012002 | ../../local_audio_path/71012002.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 highest pitch? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are identical in pitch"
] | C. Sound 3 | 71012002_6410300B_5801101L | ../../local_audio_path/71012002_6410300B_5801101L.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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | B. Sound 2 | 71012002_8300602M_6102602T | ../../local_audio_path/71012002_8300602M_6102602T.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 highest pitch overall? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the sounds have similar pitch ranges"
] | B. The second sound | 71012002_95003004_5801100U | ../../local_audio_path/71012002_95003004_5801100U.wav | apply_frequency |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of low-frequency harmonic tones below 1 kHz, with gradual modulation over time.",
"B. High-frequency noise spread evenly across the spectrum above 2 kHz, with no clear harmonics.",
"C. Rapidly fluctuating high-pitched tones above 2 kHz, with minimal low-frequency content.",
"D. A continuous mid-f... | A. A series of low-frequency harmonic tones below 1 kHz, with gradual modulation over time. | 71012004 | ../../local_audio_path/71012004.wav | understand_acoustics |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. Possesses a heavy jaw and elegantly curling whiskers when dry",
"B. Builds dens in snow-covered regions to protect its young",
"C. Relies on echolocation to navigate and hunt in dark waters",
"D. Travels in large pods and coordinates group hunting tactics"
] | A. Possesses a heavy jaw and elegantly curling whiskers when dry | 71012005 | ../../local_audio_path/71012005.wav | remember |
What type of vocalization is primarily identified in the sound recording? | [
"A. Short, high-pitched trills",
"B. Pulsing growls with low frequency",
"C. Continuous melodic tones with slight modulation",
"D. Rapid clicking sounds in bursts"
] | A. Short, high-pitched trills | 71012006 | ../../local_audio_path/71012006.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 highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 71012006_5801100U_6700900R | ../../local_audio_path/71012006_5801100U_6700900R.wav | apply_frequency |
What type of vocalization is most likely identified in the sound recording? | [
"A. Short, high-pitched trills with slight modulations",
"B. Low-frequency growls with rhythmic pulses",
"C. Intermittent whistles with sharp tonal shifts",
"D. Complex song-like sequences with varying pitches"
] | A. Short, high-pitched trills with slight modulations | 71012007 | ../../local_audio_path/71012007.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 highest pitch or frequency range? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | C. The third sound | 71012007_66002A04_91012016 | ../../local_audio_path/71012007_66002A04_91012016.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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 71012007_7501400Z_59029002 | ../../local_audio_path/71012007_7501400Z_59029002.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 highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the sounds have the same pitch"
] | B. The second sound | 71012007_9100500Y_67009006 | ../../local_audio_path/71012007_9100500Y_67009006.wav | apply_frequency |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Walrus (Odobenus rosmarus) - Clicks; click series",
"B. Bottlenose Dolphin (Tursiops truncatus) - Echolocation clicks and whistles",
"C. Humpback Whale (Megaptera novaeangliae) - Complex song with long, melodic moans",
"D. Harbor Seal (Phoca vitulina) - Barking and grunting sounds"
] | A. Walrus (Odobenus rosmarus) - Clicks; click series | 72002002 | ../../local_audio_path/72002002.wav | both |
What type of vocalization is most likely present in the sound recording? | [
"A. Click series with a bell-like tone",
"B. Single sustained whistle",
"C. Rapid trills with no distinct pattern",
"D. Long modulating tones"
] | A. Click series with a bell-like tone | 72002004 | ../../local_audio_path/72002004.wav | vocalization |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of harmonically rich tones starting around 3 seconds, with distinct frequency bands below 5 kHz.",
"B. A continuous high-frequency tone above 8 kHz, with no significant changes over time.",
"C. A low-frequency rumble that remains constant in amplitude throughout the entire recording.",
"D. A broa... | A. A series of harmonically rich tones starting around 3 seconds, with distinct frequency bands below 5 kHz. | 72002008 | ../../local_audio_path/72002008.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 | 72002009_9220100Q_8800600R | ../../local_audio_path/72002009_9220100Q_8800600R.wav | apply_frequency |
Which species is identified from the sound in the recording? | [
"A. Walrus (Odobenus rosmarus)",
"B. Northern Elephant Seal (Mirounga angustirostris)",
"C. Harp Seal (Pagophilus groenlandicus)",
"D. Steller Sea Lion (Eumetopias jubatus)"
] | A. Walrus (Odobenus rosmarus) | 7200200D | ../../local_audio_path/7200200D.wav | species |
Which species and vocalization type is most consistent with the sound recording provided? | [
"A. Walrus (Odobenus rosmarus) - Clicks, click series, and bell-like sounds",
"B. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles and echolocation clicks",
"C. Sperm Whale (Physeter macrocephalus) - Regularly spaced clicks used for echolocation",
"D. Humpback Whale (Megaptera novaeangliae) -... | A. Walrus (Odobenus rosmarus) - Clicks, click series, and bell-like sounds | 7200200G | ../../local_audio_path/7200200G.wav | both |
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 the same"
] | C. Sound 3 | 7200200M_7001800B_83006001 | ../../local_audio_path/7200200M_7001800B_83006001.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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | B. Sound 2 | 72005003_57021002_5702100A | ../../local_audio_path/72005003_57021002_5702100A.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 | 72005003_6608400Z_79002004 | ../../local_audio_path/72005003_6608400Z_79002004.wav | apply_duration |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Common Dolphin (Delphinus delphis) - Rapid burst-pulse clicks only",
"B. White-beaked Dolphin (Lagenorhynchus albirostris) - High-frequency clicks and two whistles",
"C. Killer Whale (Orcinus orca) - Long tonal calls with echolocation clicks",
"D. Spinner Dolphin (Stenella longirostris) - Continuous serie... | B. White-beaked Dolphin (Lagenorhynchus albirostris) - High-frequency clicks and two whistles | 72005004 | ../../local_audio_path/72005004.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 highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are identical in pitch"
] | C. The third sound | 72005004_62019007_7500302U | ../../local_audio_path/72005004_62019007_7500302U.wav | apply_frequency |
Which of the following is a distinguishing feature of the species that produced the sound in the given recording? | [
"A. It has up to 92 vertebrae, the most among oceanic dolphins.",
"B. It is characterized by a long and slender beak, often used for catching squid.",
"C. Its dorsal fin is absent, making it streamlined for deep-sea diving.",
"D. It has a body pattern with black and white stripes similar to a zebra."
] | A. It has up to 92 vertebrae, the most among oceanic dolphins. | 72005008 | ../../local_audio_path/72005008.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 | 72005008_72007037_8800600A | ../../local_audio_path/72005008_72007037_8800600A.wav | apply_duration |
What vocalization type is characterized by the sound features in the recording? | [
"A. High-frequency clicks and two whistles",
"B. Low droning hums with occasional pulses",
"C. Rapid trills and modulated tones",
"D. Constant-frequency whistles without clicks"
] | A. High-frequency clicks and two whistles | 7200500C | ../../local_audio_path/7200500C.wav | vocalization |
Which species is identified from the sound recording? | [
"A. White-beaked Dolphin (Lagenorhynchus albirostris)",
"B. Bottlenose Dolphin (Tursiops truncatus)",
"C. Common Dolphin (Delphinus delphis)",
"D. Atlantic Spotted Dolphin (Stenella frontalis)"
] | A. White-beaked Dolphin (Lagenorhynchus albirostris) | 7200500D | ../../local_audio_path/7200500D.wav | species |
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 | 7200500D_6102600G_7500103D | ../../local_audio_path/7200500D_6102600G_7500103D.wav | apply_duration |
Which of the following is a behavior observed in the species that produced the sound in the given recording? | [
"A. Frequently swimming alongside and jumping in front of high-speed boats",
"B. Using floating seaweed as camouflage to evade predators",
"C. Storing food in underwater burrows for later consumption",
"D. Forming long-term monogamous pairs for mating"
] | A. Frequently swimming alongside and jumping in front of high-speed boats | 7200500G | ../../local_audio_path/7200500G.wav | remember |
Based on the sound recording, which of the following best describes the acoustic features observed in the signal? | [
"A. A high-frequency signal above 50 kHz with brief, intermittent bursts of sound.",
"B. A low-frequency continuous tone below 1 kHz with steady amplitude.",
"C. Mid-frequency tones between 5–10 kHz with no significant modulation or harmonics.",
"D. A uniform broadband noise spread across all frequencies with... | A. A high-frequency signal above 50 kHz with brief, intermittent bursts of sound. | 72007035 | ../../local_audio_path/72007035.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"
] | C. The third sound | 72007035_64005016_6400501B | ../../local_audio_path/72007035_64005016_6400501B.wav | apply_duration |
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 | 72007035_6400501D_92201005 | ../../local_audio_path/72007035_6400501D_92201005.wav | apply_frequency |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of high-frequency tones above 30 kHz with rapidly modulating intensity and scattered harmonic components.",
"B. A continuous low-frequency hum below 500 Hz with minimal variation in amplitude.",
"C. A mid-frequency tone between 5–10 kHz with a consistent amplitude and no harmonics.",
"D. A broad ... | A. A series of high-frequency tones above 30 kHz with rapidly modulating intensity and scattered harmonic components. | 7200703C | ../../local_audio_path/7200703C.wav | understand_acoustics |
Which of the following is a unique feature of the species that produced the sound in the given recording? | [
"A. It has the largest brain of any animal on Earth.",
"B. It constructs underwater nests to protect its young.",
"C. It uses baleen plates to filter its food from the water.",
"D. It is the only marine mammal capable of climbing riverbanks to hunt."
] | A. It has the largest brain of any animal on Earth. | 72009001 | ../../local_audio_path/72009001.wav | remember |
What type of vocalization is primarily heard in the sound recording? | [
"A. Two animals producing overlapping identity codas and background contact clicks",
"B. A single animal producing a series of tonal whistles",
"C. Multiple animals generating continuous high-pitched trills",
"D. A group of animals producing synchronized echolocation clicks"
] | A. Two animals producing overlapping identity codas and background contact clicks | 72009002 | ../../local_audio_path/72009002.wav | vocalization |
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 | 72009003_7500502J_71012006 | ../../local_audio_path/72009003_7500502J_71012006.wav | apply_frequency |
Which species is identified from the sound recording? | [
"A. Sperm Whale (Physeter catodon)",
"B. Blue Whale (Balaenoptera musculus)",
"C. Orca, Killer Whale (Orcinus orca)",
"D. Pilot Whale (Globicephala macrorhynchus)"
] | A. Sperm Whale (Physeter catodon) | 72009006 | ../../local_audio_path/72009006.wav | species |
What type of vocalization is most likely present in the sound recording? | [
"A. Rhythmic grunts and bell-like sounds",
"B. High-pitched whistles with rapid clicks",
"C. Continuous drumming with no vocal components",
"D. Sharp barks interspersed with growls"
] | A. Rhythmic grunts and bell-like sounds | 72014003 | ../../local_audio_path/72014003.wav | vocalization |
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