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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|---|---|---|---|---|---|
Which of the following is a distinguishing characteristic of the species that produced the sound in the given recording? | [
"A. It uses its tusks to form and maintain holes in ice and climb out of water.",
"B. It primarily hunts fast-moving fish in deep ocean waters.",
"C. It constructs temporary shelters using floating seaweed.",
"D. Its diet consists exclusively of krill and other small plankton."
] | A. It uses its tusks to form and maintain holes in ice and climb out of water. | 72014006 | ../../local_audio_path/72014006.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A distinct low-frequency tone below 500 Hz, followed by scattered harmonic overtones up to 5 kHz.",
"B. A continuous high-frequency tone above 10 kHz, with no harmonics or variations.",
"C. A broad noise pattern spread uniformly across all frequencies, lacking distinct tonal features.",
"D. A series of sh... | A. A distinct low-frequency tone below 500 Hz, followed by scattered harmonic overtones up to 5 kHz. | 72014008 | ../../local_audio_path/72014008.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"
] | B. The second sound | 72014008_7500502R_6400501C | ../../local_audio_path/72014008_7500502R_6400501C.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 | 72014008_7900200V_6000900M | ../../local_audio_path/72014008_7900200V_6000900M.wav | apply_duration |
What type of vocalization is primarily featured in the sound recording? | [
"A. Demonstrative male calls with distinct clicks and bell-like tones",
"B. Continuous high-pitched whistles with no distinct breaks",
"C. Rapid sequence of low-frequency growls",
"D. Single sustained tone without variation"
] | A. Demonstrative male calls with distinct clicks and bell-like tones | 72019001 | ../../local_audio_path/72019001.wav | vocalization |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency signal below 1 kHz, with no distinct modulation.",
"B. A series of short bursts of sound with harmonics in the low-to-mid frequency range, below 5 kHz.",
"C. A high-pitched tone above 15 kHz, with steady amplitude and no variation.",
"D. A wideband noise pattern evenly distribut... | B. A series of short bursts of sound with harmonics in the low-to-mid frequency range, below 5 kHz. | 72019003 | ../../local_audio_path/72019003.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 tone below 500 Hz with consistent amplitude and no harmonics.",
"B. A series of distinct harmonic tones starting at approximately 1 kHz and extending to higher frequencies, with a bright and steady amplitude.",
"C. A continuous high-frequency noise above 15 kHz with minimal variation in ampl... | B. A series of distinct harmonic tones starting at approximately 1 kHz and extending to higher frequencies, with a bright and steady amplitude. | 72019004 | ../../local_audio_path/72019004.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 of vocalization? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 7202000B_64104005_58014036 | ../../local_audio_path/7202000B_64104005_58014036.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"
] | A. The first sound | 7202000B_94008006_7100101R | ../../local_audio_path/7202000B_94008006_7100101R.wav | apply_duration |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency tone below 500 Hz with steady amplitude throughout the recording.",
"B. Pulsed low-frequency sounds around 500 Hz with harmonic overtones extending up to 2.5 kHz.",
"C. A high-frequency chirping sound above 10 kHz with no discernible harmonics.",
"D. Broad-spectrum noise evenly ... | B. Pulsed low-frequency sounds around 500 Hz with harmonic overtones extending up to 2.5 kHz. | 74003001 | ../../local_audio_path/74003001.wav | understand_acoustics |
Which type of vocalization is most likely identified from the audio recording? | [
"A. Good pulsed moan",
"B. Rapid echolocation clicks",
"C. Long, constant frequency tones",
"D. Series of irregular whistles"
] | A. Good pulsed moan | 74003002 | ../../local_audio_path/74003002.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 | 74003002_71001031_6301900B | ../../local_audio_path/74003002_71001031_6301900B.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"
] | A. The first sound | 74003002_7501400G_59029016 | ../../local_audio_path/74003002_7501400G_59029016.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 | 74003002_91005011_8800600F | ../../local_audio_path/74003002_91005011_8800600F.wav | apply_duration |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. High-frequency tones above 50 kHz with rapid modulations and distinct temporal patterns.",
"B. A continuous low-frequency hum below 5 kHz with no discernible patterns.",
"C. A broad, evenly distributed noise across all frequencies without clear temporal variation.",
"D. Mid-frequency pulses between 10–20 ... | A. High-frequency tones above 50 kHz with rapid modulations and distinct temporal patterns. | 7500100Y | ../../local_audio_path/7500100Y.wav | understand_acoustics |
What is a known characteristic of the species that produced the sound in the given recording? | [
"A. It is primarily active in shallow coastal waters near coral reefs.",
"B. It forms groups of 10 to 100 individuals and exhibits behaviors like bow-riding and somersaulting.",
"C. It is exclusively found south of the equator in tropical waters.",
"D. It constructs underwater nests using kelp for resting."
] | B. It forms groups of 10 to 100 individuals and exhibits behaviors like bow-riding and somersaulting. | 75001019 | ../../local_audio_path/75001019.wav | remember |
What type of vocalization is heard in the provided audio recording? | [
"A. Reverberating whistles accompanied by clicks",
"B. Continuous low-frequency hums",
"C. High-pitched trills with no reverberation",
"D. Short, sharp barks followed by silence"
] | A. Reverberating whistles accompanied by clicks | 7500101P | ../../local_audio_path/7500101P.wav | vocalization |
Which species and vocalization type does this sound recording most likely correspond to? | [
"A. White-sided Dolphin (Lagenorhynchus acutus) - Clicks and three whistles with reverberation",
"B. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles and echolocation clicks",
"C. Sperm Whale (Physeter macrocephalus) - Series of loud, regular clicks",
"D. Orca (Orcinus orca) - Long whistles a... | A. White-sided Dolphin (Lagenorhynchus acutus) - Clicks and three whistles with reverberation | 7500102S | ../../local_audio_path/7500102S.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 minimal intensity variations.",
"B. A series of high-frequency modulated tones primarily between 10–20 kHz, with occasional harmonic overtones.",
"C. A continuous mid-frequency tone between 5–8 kHz with no harmonic content.",
"D. A broadband noise evenly distributed... | B. A series of high-frequency modulated tones primarily between 10–20 kHz, with occasional harmonic overtones. | 7500300P | ../../local_audio_path/7500300P.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 range? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds have the same pitch range"
] | C. Sound 3 | 7500300T_64005017_83006009 | ../../local_audio_path/7500300T_64005017_83006009.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 the same in duration"
] | C. Sound 3 | 7500300T_85005002_83035003 | ../../local_audio_path/7500300T_85005002_83035003.wav | apply_duration |
Which of the following threats is a significant concern for the species that produced the sound in the given recording? | [
"A. Overfishing of krill in polar regions",
"B. Habitat destruction due to coral reef bleaching",
"C. Pollution from hydrocarbons such as PCBs and HCB",
"D. Competition with sea lions for coastal fish populations"
] | C. Pollution from hydrocarbons such as PCBs and HCB | 75003010 | ../../local_audio_path/75003010.wav | remember |
What is a notable characteristic of the species that produced the sound in the given recording? | [
"A. It is commonly referred to as a 'streaker' due to its rapid swimming behavior.",
"B. It builds nests on coastal rocks using seaweed.",
"C. It relies entirely on coral reefs for hunting and shelter.",
"D. It primarily preys on large marine mammals such as seals."
] | A. It is commonly referred to as a 'streaker' due to its rapid swimming behavior. | 75003014 | ../../local_audio_path/75003014.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"
] | A. The first sound | 75003014_65033002_8501300S | ../../local_audio_path/75003014_65033002_8501300S.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 | 7500301H_81037001_7200200F | ../../local_audio_path/7500301H_81037001_7200200F.wav | apply_duration |
Which of the following characteristics is specific to the species that produced the sound in the given recording? | [
"A. Its body features an hourglass pattern with yellow or gold in front and dirty grey in back.",
"B. It is known for its short, rounded dorsal fin and preference for Arctic waters.",
"C. It builds nests in shallow waters to protect its young from predators.",
"D. Its diet primarily consists of krill and othe... | A. Its body features an hourglass pattern with yellow or gold in front and dirty grey in back. | 7500302U | ../../local_audio_path/7500302U.wav | remember |
Which of the following is true about the social behavior of the species that produced the sound in the given recording? | [
"A. It forms matriarchal societies with stable pods composed of closely related individuals.",
"B. It demonstrates fission-fusion societies where pods are not necessarily stable or closely related.",
"C. It primarily associates with baleen whales for cooperative hunting.",
"D. It uses coral reefs as central h... | B. It demonstrates fission-fusion societies where pods are not necessarily stable or closely related. | 7500303Q | ../../local_audio_path/7500303Q.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"
] | A. The first sound | 7500303Q_57021003_89514012 | ../../local_audio_path/7500303Q_57021003_89514012.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 | 7500303Q_7501400L_59037013 | ../../local_audio_path/7500303Q_7501400L_59037013.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 | 7500303Y_6102300D_8800600J | ../../local_audio_path/7500303Y_6102300D_8800600J.wav | apply_duration |
What type of vocalization can be identified from the sound recording? | [
"A. Pulsed clicks with accompanying whistles",
"B. Continuous tonal hums",
"C. Low-frequency growls",
"D. Rhythmic drumming sounds"
] | A. Pulsed clicks with accompanying whistles | 75003041 | ../../local_audio_path/75003041.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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 75003041_64104005_7200200G | ../../local_audio_path/75003041_64104005_7200200G.wav | apply_duration |
Which species and vocalization type is most consistent with the sound recording provided? | [
"A. Common Dolphin (Delphinus delphis) - Clicks and whistles",
"B. Bottlenose Dolphin (Tursiops truncatus) - Pure tonal whistles",
"C. Sperm Whale (Physeter macrocephalus) - Series of loud clicks only",
"D. Risso's Dolphin (Grampus griseus) - Burst-pulse calls with no whistles"
] | A. Common Dolphin (Delphinus delphis) - Clicks and whistles | 7500304H | ../../local_audio_path/7500304H.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 | 7500304H_75003014_54024005 | ../../local_audio_path/7500304H_75003014_54024005.wav | apply_duration |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Common Dolphin (Delphinus delphis) producing clicks and whistles",
"B. Bottlenose Dolphin (Tursiops truncatus) producing continuous tonal whistles",
"C. Humpback Whale (Megaptera novaeangliae) producing long melodic moans",
"D. Risso's Dolphin (Grampus griseus) producing pulsed click bursts"
] | A. Common Dolphin (Delphinus delphis) producing clicks and whistles | 7500304I | ../../local_audio_path/7500304I.wav | both |
What type of vocalization is most prominently identified in the sound recording? | [
"A. High-pitched whistle with electrical noise",
"B. Continuous buzzing with rhythmic pulses",
"C. Series of chirps and tones",
"D. Rapid clicks with no tonal elements"
] | A. High-pitched whistle with electrical noise | 7500304K | ../../local_audio_path/7500304K.wav | vocalization |
Which species and vocalization type is represented in the sound recording? | [
"A. Common Dolphin (Delphinus delphis) producing clicks and whistles",
"B. Bottlenose Dolphin (Tursiops truncatus) producing whistles without clicks",
"C. Spinner Dolphin (Stenella longirostris) producing rapid burst-pulse sounds",
"D. Humpback Whale (Megaptera novaeangliae) producing long melodic moans"
] | A. Common Dolphin (Delphinus delphis) producing clicks and whistles | 7500304M | ../../local_audio_path/7500304M.wav | both |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. High-frequency tones above 20 kHz with rapid modulations and clear intensity variations.",
"B. A continuous low-frequency hum below 500 Hz, with minimal variation over time.",
"C. Sporadic bursts of sound in the mid-frequency range of 5–10 kHz, with no distinct patterns.",
"D. A series of steady, unmodula... | A. High-frequency tones above 20 kHz with rapid modulations and clear intensity variations. | 7500304N | ../../local_audio_path/7500304N.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 lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 7500304N_6608400F_8500701E | ../../local_audio_path/7500304N_6608400F_8500701E.wav | apply_frequency |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It was historically considered to consist of two species, but recent evidence suggests these are ecotypes of the same species.",
"B. It primarily inhabits freshwater river systems and is rarely found in marine environments.",
"C. It is the least abundant cetacean in the world, with only a few thousand indiv... | A. It was historically considered to consist of two species, but recent evidence suggests these are ecotypes of the same species. | 75003053 | ../../local_audio_path/75003053.wav | remember |
Which species and vocalization type is most consistent with the provided sound recording? | [
"A. Common Dolphin (Delphinus delphis) producing clicks and whistles",
"B. Bottlenose Dolphin (Tursiops truncatus) producing tonal whistles only",
"C. Sperm Whale (Physeter macrocephalus) producing regular clicking patterns",
"D. Humpback Whale (Megaptera novaeangliae) producing long melodic moans"
] | A. Common Dolphin (Delphinus delphis) producing clicks and whistles | 75003056 | ../../local_audio_path/75003056.wav | both |
Which of the following is a defining characteristic of the species that produced the sound in the given recording? | [
"A. It frequently engages in bow riding on both boats and baleen whales.",
"B. It constructs underwater nests for its offspring using seagrass.",
"C. It exclusively inhabits freshwater river systems in South America.",
"D. It primarily communicates through low-frequency sounds that can travel thousands of kil... | A. It frequently engages in bow riding on both boats and baleen whales. | 75003057 | ../../local_audio_path/75003057.wav | remember |
What is the primary type of vocalization identified in the sound recording? | [
"A. Pulsed clicks accompanied by a whistle",
"B. Long, continuous hums",
"C. Rapid trills with no background noise",
"D. Intermittent chirps and tonal calls"
] | A. Pulsed clicks accompanied by a whistle | 7500305D | ../../local_audio_path/7500305D.wav | vocalization |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency hum below 5 kHz, with uniform intensity.",
"B. A rapidly ascending and descending high-pitched tone between 15–30 kHz, accompanied by short bursts of sound.",
"C. A steady mid-frequency tone around 10 kHz, with no significant changes over time.",
"D. A wideband noise covering al... | B. A rapidly ascending and descending high-pitched tone between 15–30 kHz, accompanied by short bursts of sound. | 7500305M | ../../local_audio_path/7500305M.wav | understand_acoustics |
What is a distinguishing characteristic of the distribution of the species that produced the sound in the given recording? | [
"A. It is exclusively found in freshwater river systems across South America.",
"B. It inhabits temperate or tropical offshore waters with temperatures ranging from 10 to 26 °C.",
"C. It migrates annually between the Arctic and Antarctic regions.",
"D. It is primarily found in shallow coastal waters and relie... | B. It inhabits temperate or tropical offshore waters with temperatures ranging from 10 to 26 °C. | 7500305Z | ../../local_audio_path/7500305Z.wav | remember |
Which species is identified from the sound recording? | [
"A. Striped Dolphin (Stenella coeruleoalba)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Rough-toothed Dolphin (Steno bredanensis)",
"D. Atlantic Spotted Dolphin (Stenella frontalis)"
] | A. Striped Dolphin (Stenella coeruleoalba) | 75003060 | ../../local_audio_path/75003060.wav | species |
Based on the acoustic characteristics of the sound recording, which of the following best describes the primary feature of the signal? | [
"A. A low-frequency rumble below 1 kHz with no distinct patterns over time.",
"B. A high-frequency tonal sound above 10 kHz with a modulating pitch and steady harmonics.",
"C. A broad frequency noise evenly distributed across the spectrum with no tonal patterns.",
"D. A mid-frequency pulsing sound between 5–1... | B. A high-frequency tonal sound above 10 kHz with a modulating pitch and steady harmonics. | 75003061 | ../../local_audio_path/75003061.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 high-frequency tones above 30 kHz with harmonics and moderate amplitude.",
"B. A low-frequency hum below 1 kHz with no significant modulation or variation.",
"C. A combination of modulated mid-frequency tones between 3–5 kHz and high-frequency pulses, accompanied by background noise.",
"D. A... | C. A combination of modulated mid-frequency tones between 3–5 kHz and high-frequency pulses, accompanied by background noise. | 7500402F | ../../local_audio_path/7500402F.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous high-frequency tone above 30 kHz, with no significant changes in intensity over time.",
"B. A series of modulated tones in the mid-frequency range of 5–15 kHz, with varying intensity and harmonic patterns.",
"C. A low-frequency hum below 1 kHz, accompanied by steady noise across all frequencies... | B. A series of modulated tones in the mid-frequency range of 5–15 kHz, with varying intensity and harmonic patterns. | 7500402I | ../../local_audio_path/7500402I.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 shortest duration of vocalization? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 75004033_6107201X_97503007 | ../../local_audio_path/75004033_6107201X_97503007.wav | apply_duration |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Long-Finned Pilot Whale (Globicephala melaena) producing 'Maruffa coda' with whistles and clicks",
"B. Bottlenose Dolphin (Tursiops truncatus) producing high-frequency whistles and echolocation clicks",
"C. Humpback Whale (Megaptera novaeangliae) producing long melodic moans",
"D. Short-Finned Pilot Whale... | A. Long-Finned Pilot Whale (Globicephala melaena) producing 'Maruffa coda' with whistles and clicks | 7500403J | ../../local_audio_path/7500403J.wav | both |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A high-frequency sound above 20 kHz with no discernible modulation.",
"B. A low-frequency rumble below 1 kHz with consistent amplitude throughout.",
"C. A modulating tone in the frequency range of 5–10 kHz, accompanied by background noise and brief tonal changes.",
"D. A continuous broadband noise evenly ... | C. A modulating tone in the frequency range of 5–10 kHz, accompanied by background noise and brief tonal changes. | 7500403N | ../../local_audio_path/7500403N.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 shortest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are the same in duration"
] | A. Sound 1 | 7500403N_59030023_88006007 | ../../local_audio_path/7500403N_59030023_88006007.wav | apply_duration |
Which species and vocalization type are most consistent with the sound recording provided? | [
"A. Long-Finned Pilot Whale (Globicephala melaena) producing whistles and clicks with reverberation",
"B. Bottlenose Dolphin (Tursiops truncatus) producing tonal whistles without clicks",
"C. Sperm Whale (Physeter macrocephalus) producing rhythmic click trains",
"D. Humpback Whale (Megaptera novaeangliae) pro... | A. Long-Finned Pilot Whale (Globicephala melaena) producing whistles and clicks with reverberation | 7500502J | ../../local_audio_path/7500502J.wav | both |
Which species is identified from the sound recording? | [
"A. Long-Finned Pilot Whale (Globicephala melaena)",
"B. False Killer Whale (Pseudorca crassidens)",
"C. Sperm Whale (Physeter macrocephalus)",
"D. Risso's Dolphin (Grampus griseus)"
] | A. Long-Finned Pilot Whale (Globicephala melaena) | 7500502Q | ../../local_audio_path/7500502Q.wav | species |
What is a notable social behavior of the species that produced the sound in the given recording? | [
"A. Forming highly territorial pods that aggressively defend their territory",
"B. Babysitting calves that are not their own, often by males",
"C. Building underwater nests to protect their young",
"D. Migrating annually to specific coral reefs for mating rituals"
] | B. Babysitting calves that are not their own, often by males | 7500502S | ../../local_audio_path/7500502S.wav | remember |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It harbors a species of nematode found exclusively in the male reproductive organ.",
"B. It constructs underwater bubble nests to protect its young.",
"C. It uses coral reefs as a nursery for raising calves.",
"D. It exhibits solitary behavior and avoids forming social groups."
] | A. It harbors a species of nematode found exclusively in the male reproductive organ. | 75005031 | ../../local_audio_path/75005031.wav | remember |
Which species and vocalization type is most accurately represented by the audio recording? | [
"A. Narwhal (Monodon monoceros) - Click series",
"B. Bottlenose Dolphin (Tursiops truncatus) - Burst-pulse sounds",
"C. Humpback Whale (Megaptera novaeangliae) - Long melodic moans",
"D. Beluga Whale (Delphinapterus leucas) - High-pitched whistles"
] | A. Narwhal (Monodon monoceros) - Click series | 75014006 | ../../local_audio_path/75014006.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"
] | B. The second sound | 7501400F_6700900A_61023006 | ../../local_audio_path/7501400F_6700900A_61023006.wav | apply_duration |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It uses a long, spiraled tusk to sense water salinity and tap prey.",
"B. It constructs underwater nests to protect its young from predators.",
"C. It has a dorsal fin with a prominent notch for ice navigation.",
"D. It remains in tropical waters year-round to avoid cold temperatures."
] | A. It uses a long, spiraled tusk to sense water salinity and tap prey. | 7501400G | ../../local_audio_path/7501400G.wav | remember |
Based on the acoustic characteristics of the sound, which of the following best describes the signal in the recording? | [
"A. A sequence of high-frequency bursts above 20 kHz, with periodic patterns over time.",
"B. A continuous low-frequency tone below 1 kHz, with no significant modulation.",
"C. A steady mid-frequency hum between 5–10 kHz, with minimal variation in amplitude.",
"D. A broadband noise spanning all frequencies ev... | A. A sequence of high-frequency bursts above 20 kHz, with periodic patterns over time. | 7501400L | ../../local_audio_path/7501400L.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 | 7501400L_7900200T_7501400X | ../../local_audio_path/7501400L_7900200T_7501400X.wav | apply_duration |
Which of the following behaviors is characteristic of the species that produced the sound in the given recording? | [
"A. Diving to depths of over 2,000 meters to forage for prey under dense Arctic ice.",
"B. Building underwater bubble nets to trap schools of fish.",
"C. Using its flippers to manipulate objects on the ocean floor for feeding.",
"D. Creating nests of kelp for its young in shallow coastal waters."
] | A. Diving to depths of over 2,000 meters to forage for prey under dense Arctic ice. | 7501400M | ../../local_audio_path/7501400M.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"
] | C. The third sound | 7501400M_7900200Q_8303503N | ../../local_audio_path/7501400M_7900200Q_8303503N.wav | apply_frequency |
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) | 7501400N | ../../local_audio_path/7501400N.wav | species |
What is a distinguishing characteristic of the species that produced the sound in the given recording? | [
"A. It uses its tusk to sense water salinity and attract mates.",
"B. It constructs underwater nests to protect its young.",
"C. It has a true dorsal fin for stability during high-speed swimming.",
"D. It primarily inhabits tropical coral reefs year-round."
] | A. It uses its tusk to sense water salinity and attract mates. | 7501400O | ../../local_audio_path/7501400O.wav | remember |
What type of vocalization is most likely heard in the sound recording? | [
"A. Click series and moan",
"B. Continuous trilling and chirps",
"C. Repeated whistles with pauses",
"D. Long, steady hum"
] | A. Click series and moan | 7501400Q | ../../local_audio_path/7501400Q.wav | vocalization |
Which species and vocalization type does the audio recording most likely represent? | [
"A. Beluga Whale (Delphinapterus leucas) - High-pitched whistles and chirps",
"B. Narwhal (Monodon monoceros) - Click series",
"C. Sperm Whale (Physeter macrocephalus) - Loud, regular clicks used in echolocation",
"D. Bottlenose Dolphin (Tursiops truncatus) - Rapid burst-pulse sounds"
] | B. Narwhal (Monodon monoceros) - Click series | 7501400X | ../../local_audio_path/7501400X.wav | both |
Which species is identified from the sound recording? | [
"A. Narwhal (Monodon monoceros)",
"B. Beluga Whale (Delphinapterus leucas)",
"C. Sperm Whale (Physeter macrocephalus)",
"D. Pilot Whale (Globicephala melas)"
] | A. Narwhal (Monodon monoceros) | 7501400Z | ../../local_audio_path/7501400Z.wav | species |
What type of vocalization is most likely present in the sound recording? | [
"A. Modulated whistle and clicks",
"B. Continuous high-pitched trills",
"C. Short, repetitive chirps",
"D. Low-frequency hums"
] | A. Modulated whistle and clicks | 77028008 | ../../local_audio_path/77028008.wav | vocalization |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A sequence of high-pitched frequencies sweeping upward, accompanied by faint intermittent background noise.",
"B. A continuous low-frequency hum below 1 kHz with no significant modulation.",
"C. A broad-spectrum noise pattern with uniform intensity across all frequencies.",
"D. A series of descending tone... | A. A sequence of high-pitched frequencies sweeping upward, accompanied by faint intermittent background noise. | 77028010 | ../../local_audio_path/77028010.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 | 77034002_5600600B_9400400C | ../../local_audio_path/77034002_5600600B_9400400C.wav | apply_duration |
Which species and vocalization type does the sound recording most likely correspond to? | [
"A. Long-Finned Pilot Whale (Globicephala melaena) - Upsweeping whistle",
"B. Killer Whale (Orcinus orca) - Pulsed calls and whistles",
"C. Bottlenose Dolphin (Tursiops truncatus) - High-pitched tonal whistles",
"D. Sperm Whale (Physeter macrocephalus) - Series of clicking sounds"
] | A. Long-Finned Pilot Whale (Globicephala melaena) - Upsweeping whistle | 77034008 | ../../local_audio_path/77034008.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 lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | C. The third sound | 7703400B_9101300C_67010001 | ../../local_audio_path/7703400B_9101300C_67010001.wav | apply_frequency |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It is primarily hunted commercially under regulations set by the International Whaling Commission.",
"B. It is frequently involved in mass strandings, with some events involving over 1,000 individuals.",
"C. It constructs shelters in deep-sea environments to protect its young from predators.",
"D. It is a... | B. It is frequently involved in mass strandings, with some events involving over 1,000 individuals. | 7703400M | ../../local_audio_path/7703400M.wav | remember |
Which of the following interactions is characteristic of the species that produced the sound in the given recording? | [
"A. Harassing and chasing other cetaceans, including orcas",
"B. Building underwater nests using kelp for shelter",
"C. Cooperating with seabirds to hunt fish",
"D. Using echolocation to navigate coral reefs"
] | A. Harassing and chasing other cetaceans, including orcas | 7703400P | ../../local_audio_path/7703400P.wav | remember |
What is a notable interaction that the species producing the sound in the given recording has with other cetaceans? | [
"A. They have been observed forming mixed-species pods with humpback whales for cooperative hunting.",
"B. They are known to chase or harass orcas, possibly as an anti-predation strategy or competition for prey.",
"C. They frequently engage in mutual grooming behaviors with bottlenose dolphins to strengthen soc... | B. They are known to chase or harass orcas, possibly as an anti-predation strategy or competition for prey. | 7703400Q | ../../local_audio_path/7703400Q.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"
] | C. The third sound | 7703400S_70006003_6301900B | ../../local_audio_path/7703400S_70006003_6301900B.wav | apply_frequency |
Based on the sound recording, which of the following best describes the acoustic characteristics observed in the spectrogram? | [
"A. High-frequency bursts above 20 kHz with strong intensity and no harmonic structure.",
"B. A sequence of modulated tones predominantly in the range of 1–5 kHz, with faint harmonic patterns and consistent intensity.",
"C. Low-frequency hums below 1 kHz, accompanied by scattered broadband noise across all freq... | B. A sequence of modulated tones predominantly in the range of 1–5 kHz, with faint harmonic patterns and consistent intensity. | 7703400U | ../../local_audio_path/7703400U.wav | understand_acoustics |
What is a notable fact about the species that produced the sound in the given recording? | [
"A. It was named by a Smithsonian mammalogist in 1865.",
"B. It relies on coral reefs as a primary habitat.",
"C. It is exclusively found in the South Atlantic Ocean.",
"D. It is known to hunt in groups with orcas."
] | A. It was named by a Smithsonian mammalogist in 1865. | 78007015 | ../../local_audio_path/78007015.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 | 7800701J_5903700N_61023005 | ../../local_audio_path/7800701J_5903700N_61023005.wav | apply_frequency |
What type of vocalization is most likely identified in the sound recording? | [
"A. Five close 20 Hz sounds followed by distant 20 Hz sounds",
"B. A series of high-pitched whistles with modulated tones",
"C. Continuous low-frequency hums without variation",
"D. Short bursts of rapid echolocation clicks"
] | A. Five close 20 Hz sounds followed by distant 20 Hz sounds | 78014004 | ../../local_audio_path/78014004.wav | vocalization |
What type of vocalization is most likely identified in the given sound recording? | [
"A. Five close low-frequency tones with additional distant low-frequency sounds",
"B. Rapid high-pitched clicks occurring in bursts",
"C. Modulated whistles with varying frequencies",
"D. Continuous trilling with background noise"
] | A. Five close low-frequency tones with additional distant low-frequency sounds | 78014006 | ../../local_audio_path/78014006.wav | vocalization |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Fin Whale (Balaenoptera physalus) producing close 20 Hz sounds",
"B. Blue Whale (Balaenoptera musculus) producing long, low-frequency moans",
"C. Humpback Whale (Megaptera novaeangliae) producing melodic songs",
"D. Sperm Whale (Physeter macrocephalus) producing rapid echolocation clicks"
] | A. Fin Whale (Balaenoptera physalus) producing close 20 Hz sounds | 78014007 | ../../local_audio_path/78014007.wav | both |
What historical factor significantly contributed to the near depletion of the species that produced the sound in the given recording? | [
"A. The construction of Panama Canal disrupting migration routes",
"B. Extensive hunting during the 19th and 20th centuries for commercial whaling",
"C. Dependence on coral reefs that were destroyed by climate change",
"D. Competition with other whale species for limited food resources in the Southern Hemisph... | B. Extensive hunting during the 19th and 20th centuries for commercial whaling | 79002004 | ../../local_audio_path/79002004.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"
] | A. The first sound | 79002004_71008001_90058068 | ../../local_audio_path/79002004_71008001_90058068.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 most dominant higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 79002004_7500403J_6608500D | ../../local_audio_path/79002004_7500403J_6608500D.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"
] | B. The second sound | 7900200L_72009006_8800600A | ../../local_audio_path/7900200L_72009006_8800600A.wav | apply_frequency |
What is a notable factor impacting the recovery of the species that produced the sound in the given recording? | [
"A. Its inability to adapt to freshwater environments due to physiological constraints.",
"B. Its slow recovery rate due to heavy impacts from historical whaling.",
"C. Its reliance on coral reefs for breeding and calving grounds.",
"D. Its migration across the equator to interbreed with northern populations.... | B. Its slow recovery rate due to heavy impacts from historical whaling. | 7900200Q | ../../local_audio_path/7900200Q.wav | remember |
Which species and type of vocalization does the sound recording most likely represent? | [
"A. Southern Right Whale (Eubalaena australis) - Pulsed sounds",
"B. Humpback Whale (Megaptera novaeangliae) - Long melodic song phrases",
"C. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles",
"D. Blue Whale (Balaenoptera musculus) - Low-frequency moans"
] | A. Southern Right Whale (Eubalaena australis) - Pulsed sounds | 7900200R | ../../local_audio_path/7900200R.wav | both |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Southern Right Whale (Eubalaena australis) producing six pulsed sounds",
"B. Humpback Whale (Megaptera novaeangliae) producing long melodic songs",
"C. Blue Whale (Balaenoptera musculus) producing low-frequency moans",
"D. Sperm Whale (Physeter macrocephalus) producing rapid click trains"
] | A. Southern Right Whale (Eubalaena australis) producing six pulsed sounds | 7900200U | ../../local_audio_path/7900200U.wav | both |
Which species and vocalization type is most likely represented in the recording? | [
"A. Southern Right Whale (Eubalaena australis) - Four pulsed sounds",
"B. Humpback Whale (Megaptera novaeangliae) - Long melodic moans",
"C. Sperm Whale (Physeter macrocephalus) - Repeated clicking patterns",
"D. Blue Whale (Balaenoptera musculus) - Low-frequency moans"
] | A. Southern Right Whale (Eubalaena australis) - Four pulsed sounds | 7900200V | ../../local_audio_path/7900200V.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"
] | B. The second sound | 7900200V_59029003_72005004 | ../../local_audio_path/7900200V_59029003_72005004.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"
] | B. Sound 2 | 7900200V_67009003_89514012 | ../../local_audio_path/7900200V_67009003_89514012.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 | 7900200W_62018001_9220100E | ../../local_audio_path/7900200W_62018001_9220100E.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"
] | A. The first sound | 7900200W_9100800E_8300604K | ../../local_audio_path/7900200W_9100800E_8300604K.wav | apply_frequency |
Based on the acoustic characteristics of the sound, which of the following best describes the main feature of the recording? | [
"A. A series of low-frequency pulsed sounds below 500 Hz, with distinct harmonic patterns.",
"B. A high-frequency continuous tone above 2 kHz, with no noticeable modulation.",
"C. A broad noise spread evenly across all frequencies, with no distinct tonal features.",
"D. Rapidly fluctuating high-pitched sounds... | A. A series of low-frequency pulsed sounds below 500 Hz, with distinct harmonic patterns. | 7900200X | ../../local_audio_path/7900200X.wav | understand_acoustics |
What type of vocalization is represented in the audio recording? | [
"A. Seven pulsed sounds",
"B. Long continuous hum",
"C. Rapid trills with variable pitch",
"D. Single high-pitched chirp"
] | A. Seven pulsed sounds | 79002013 | ../../local_audio_path/79002013.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"
] | C. The third sound | 79002013_8800600Y_6804000C | ../../local_audio_path/79002013_8800600Y_6804000C.wav | apply_frequency |
Which of the following statements is true about the species that produced the sound in the given recording? | [
"A. It was traditionally classified in the genus Cephalorhynchus but later moved to Lagenorhynchus.",
"B. It is closely related to the dusky dolphin, with genetic divergence occurring around two million years ago.",
"C. It is primarily found in tropical waters and relies on coral reefs for survival.",
"D. It ... | B. It is closely related to the dusky dolphin, with genetic divergence occurring around two million years ago. | 79004007 | ../../local_audio_path/79004007.wav | remember |
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