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
values |
|---|---|---|---|---|---|
Which species is identified from the sound recording? | [
"A. Weddell Seal (Leptonychotes weddellii)",
"B. Leopard Seal (Hydrurga leptonyx)",
"C. Crabeater Seal (Lobodon carcinophaga)",
"D. Ross Seal (Ommatophoca rossii)"
] | A. Weddell Seal (Leptonychotes weddellii) | 6404200B | ../../local_audio_path/6404200B.wav | species |
What type of vocalization is represented in the provided sound recording? | [
"A. Single downward sweep",
"B. Series of rapid modulated tones",
"C. Continuous flat whistle",
"D. Repeated upward sweeps"
] | A. Single downward sweep | 64103004 | ../../local_audio_path/64103004.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 | 64103004_65030009_56028001 | ../../local_audio_path/64103004_65030009_56028001.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"
] | C. The third sound | 64103006_8800600Z_9220100Z | ../../local_audio_path/64103006_8800600Z_9220100Z.wav | apply_frequency |
Which type of vocalization is represented in the provided sound recording? | [
"A. One downward sweep",
"B. Continuous upward sweeps",
"C. Repeated modulated trills",
"D. Series of short, sharp clicks"
] | A. One downward sweep | 6410300A | ../../local_audio_path/6410300A.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 | 6410300A_6700900L_9101204J | ../../local_audio_path/6410300A_6700900L_9101204J.wav | apply_duration |
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 500 Hz with little variation in amplitude or frequency.",
"B. A low-frequency descending tonal sweep centered below 200 Hz, with increasing intensity over time.",
"C. A series of intermittent, mid-frequency bursts between 300–500 Hz with a noisy background.",
"D. A broad-... | B. A low-frequency descending tonal sweep centered below 200 Hz, with increasing intensity over time. | 6410300B | ../../local_audio_path/6410300B.wav | understand_acoustics |
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 200 Hz, with little variation in intensity over time.",
"B. A broad low-frequency moan spanning 100–600 Hz, with gradual changes in intensity.",
"C. A series of short, high-frequency pulses above 10 kHz, with rapid intensity fluctuations.",
"D. A mid-frequency tone be... | B. A broad low-frequency moan spanning 100–600 Hz, with gradual changes in intensity. | 64104002 | ../../local_audio_path/64104002.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 gradual downward sweep in the low-frequency range below 500 Hz, with increasing intensity over time.",
"B. A high-pitched continuous tone above 10 kHz with no clear frequency variation.",
"C. A series of short, harmonic tones in the mid-frequency range of 2–5 kHz, with steady amplitude.",
"D. A burst of... | A. A gradual downward sweep in the low-frequency range below 500 Hz, with increasing intensity over time. | 64104005 | ../../local_audio_path/64104005.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"
] | B. Sound 2 | 64104005_59037016_6301900T | ../../local_audio_path/64104005_59037016_6301900T.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 | 64104005_75014010_61025003 | ../../local_audio_path/64104005_75014010_61025003.wav | apply_frequency |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It is often observed breaching and raising its flukes out of the water during dives.",
"B. It includes the dwarf minke whale as one of its subspecies.",
"C. It is a toothed whale species known for its complex echolocation abilities.",
"D. It is primarily found in freshwater river systems across South Amer... | B. It includes the dwarf minke whale as one of its subspecies. | 64104006 | ../../local_audio_path/64104006.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 | 64104006_6608500B_95003002 | ../../local_audio_path/64104006_6608500B_95003002.wav | apply_frequency |
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 500 Hz, with no visible harmonics.",
"B. A set of ascending mid-frequency tones between 2–5 kHz, accompanied by distinct harmonic structures.",
"C. A high-frequency broadband noise above 10 kHz, with no discernible tonal patterns.",
"D. A rapid sequence of short, irreg... | B. A set of ascending mid-frequency tones between 2–5 kHz, accompanied by distinct harmonic structures. | 65030001 | ../../local_audio_path/65030001.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 | 65030001_58011002_7200500N | ../../local_audio_path/65030001_58011002_7200500N.wav | apply_duration |
Given the following sound sequence, where 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 (dominates at the highest frequency range)? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are identical in pitch"
] | B. The second sound | 65030001_71004018_6102300I | ../../local_audio_path/65030001_71004018_6102300I.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 shortest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 65030001_7500502S_70006003 | ../../local_audio_path/65030001_7500502S_70006003.wav | apply_duration |
Based on the acoustic characteristics of the sound, which of the following best describes the primary features of the recording? | [
"A. A series of low-frequency pulses below 2 kHz with distinct harmonic overtones and irregular temporal spacing.",
"B. A continuous, high-pitched tone above 15 kHz with no discernible modulation.",
"C. Broad-spectrum noise distributed evenly across all frequencies with no clear structure.",
"D. A steady mid-... | A. A series of low-frequency pulses below 2 kHz with distinct harmonic overtones and irregular temporal spacing. | 65030009 | ../../local_audio_path/65030009.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of harmonically related tones with fundamental frequencies below 2 kHz, accompanied by faint higher harmonics.",
"B. A sequence of modulated harmonic tones with a fundamental frequency around 2–3 kHz and clear additional harmonics extending up to 12 kHz.",
"C. A continuous high-frequency sound abov... | B. A sequence of modulated harmonic tones with a fundamental frequency around 2–3 kHz and clear additional harmonics extending up to 12 kHz. | 6503000F | ../../local_audio_path/6503000F.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 | 6503000F_81037005_70014011 | ../../local_audio_path/6503000F_81037005_70014011.wav | apply_duration |
What type of vocalization is most accurately represented in the audio recording? | [
"A. High-pitched squeal",
"B. Low-frequency hum",
"C. Rapid series of clicks",
"D. Long, modulated whistle"
] | A. High-pitched squeal | 6503000G | ../../local_audio_path/6503000G.wav | vocalization |
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 20 kHz, with harmonics and a steady temporal pattern.",
"B. A low-frequency continuous tone around 500 Hz with minimal variation.",
"C. A wideband noise spread uniformly across the frequency range with no distinct patterns.",
"D. A mid-frequency modulating tone in th... | A. A series of high-frequency tones above 20 kHz, with harmonics and a steady temporal pattern. | 65033002 | ../../local_audio_path/65033002.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 | 6503300D_8800602Z_70025001 | ../../local_audio_path/6503300D_8800602Z_70025001.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Beluga, White Whale (Delphinapterus leucas)",
"B. Narwhal (Monodon monoceros)",
"C. Bottlenose Dolphin (Tursiops truncatus)",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Beluga, White Whale (Delphinapterus leucas) | 6503300J | ../../local_audio_path/6503300J.wav | species |
Which species is identified from the sound recording? | [
"A. Ross Seal (Ommatophoca rossi)",
"B. Leopard Seal (Hydrurga leptonyx)",
"C. Crabeater Seal (Lobodon carcinophaga)",
"D. Weddell Seal (Leptonychotes weddellii)"
] | A. Ross Seal (Ommatophoca rossi) | 66002A01 | ../../local_audio_path/66002A01.wav | species |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It is commonly found near coral reefs and tropical waters.",
"B. It has disproportionately large eyes and is confined to the Antarctic pack ice.",
"C. It frequently migrates to the northern hemisphere to escape colder temperatures.",
"D. Its population is concentrated near commercial fishing zones, leadin... | B. It has disproportionately large eyes and is confined to the Antarctic pack ice. | 66002A02 | ../../local_audio_path/66002A02.wav | remember |
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 500 Hz with distinct horizontal patterns indicating harmonics.",
"B. High-frequency sounds above 7 kHz with sharp, sporadic intensity changes over time.",
"C. A steady mid-frequency tone between 3–5 kHz with minimal variation in intensity.",
"D. Broad noise evenly d... | A. A continuous low-frequency signal below 500 Hz with distinct horizontal patterns indicating harmonics. | 66002A04 | ../../local_audio_path/66002A04.wav | understand_acoustics |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It has disproportionately large eyes and produces complex, trilling vocalizations.",
"B. It relies on coral reefs for breeding and protection from predators.",
"C. It is known for cooperative hunting strategies with other members of its species.",
"D. It frequently migrates to tropical waters during the w... | A. It has disproportionately large eyes and produces complex, trilling vocalizations. | 66002A05 | ../../local_audio_path/66002A05.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 | 66002A05_8002001M_6000900M | ../../local_audio_path/66002A05_8002001M_6000900M.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 its sensitive vibrissae to locate benthic bivalve mollusks on the sea floor.",
"B. It relies on coral reefs as key habitats for foraging and shelter.",
"C. It primarily hunts in deep ocean waters exceeding 1,000 meters in depth.",
"D. It migrates annually between freshwater rivers and the ocean fo... | A. It uses its sensitive vibrissae to locate benthic bivalve mollusks on the sea floor. | 66006005 | ../../local_audio_path/66006005.wav | remember |
What type of vocalization is most likely present in the sound recording? | [
"A. Calls",
"B. Songs",
"C. Alarm cries",
"D. Territorial signals"
] | A. Calls | 66034002 | ../../local_audio_path/66034002.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 | 66034002_6608400Q_71004019 | ../../local_audio_path/66034002_6608400Q_71004019.wav | apply_duration |
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 500 Hz with no clear variations.",
"B. A series of modulated tones primarily between 500 Hz and 2000 Hz, with distinct harmonics and periodic changes in intensity.",
"C. A high-frequency sound above 8000 Hz, characterized by sporadic bursts of energy.",
"D. A broadband... | B. A series of modulated tones primarily between 500 Hz and 2000 Hz, with distinct harmonics and periodic changes in intensity. | 66038005 | ../../local_audio_path/66038005.wav | understand_acoustics |
Which type of vocalization is identified in the audio recording? | [
"A. Sequence of whistles leading into a complex call",
"B. Isolated chirps with no follow-up vocalizations",
"C. Repeated trills with constant frequency",
"D. Single sustained tone without modulation"
] | A. Sequence of whistles leading into a complex call | 66038007 | ../../local_audio_path/66038007.wav | vocalization |
Which of the following is a distinctive feature of the species that produced the sound in the given recording? | [
"A. It has disproportionately large eyes measuring up to 7 cm in diameter.",
"B. It is commonly found in tropical coral reef ecosystems.",
"C. It frequently migrates to the Arctic during the summer months.",
"D. It is known for its long, flowing fur that provides insulation in cold waters."
] | A. It has disproportionately large eyes measuring up to 7 cm in diameter. | 66084002 | ../../local_audio_path/66084002.wav | remember |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 66084004_7101001G_5801403R | ../../local_audio_path/66084004_7101001G_5801403R.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"
] | A. Sound 1 | 66084004_7501400F_67010007 | ../../local_audio_path/66084004_7501400F_67010007.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 higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 66084004_9101300E_75003011 | ../../local_audio_path/66084004_9101300E_75003011.wav | apply_frequency |
Which species is identified from the sound in the recording? | [
"A. Ross Seal (Ommatophoca rossi)",
"B. Leopard Seal (Hydrurga leptonyx)",
"C. Weddell Seal (Leptonychotes weddellii)",
"D. Crabeater Seal (Lobodon carcinophaga)"
] | A. Ross Seal (Ommatophoca rossi) | 66084009 | ../../local_audio_path/66084009.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 | 66084009_9101001H_8501400S | ../../local_audio_path/66084009_9101001H_8501400S.wav | apply_duration |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Ross Seal (Ommatophoca rossi) - One call",
"B. Weddell Seal (Leptonychotes weddellii) - Trilling and chirping sounds",
"C. Leopard Seal (Hydrurga leptonyx) - Long, warbling sequences",
"D. Crabeater Seal (Lobodon carcinophaga) - Repeated rhythmic barks"
] | A. Ross Seal (Ommatophoca rossi) - One call | 6608400A | ../../local_audio_path/6608400A.wav | both |
What type of vocalization is primarily identified in the sound recording? | [
"A. Repeated whistles with brief pauses",
"B. One call followed by environmental noise",
"C. Rhythmic pulsed clicks",
"D. Continuous trilling sequence"
] | B. One call followed by environmental noise | 6608400C | ../../local_audio_path/6608400C.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 sounds are identical in pitch"
] | C. The third sound | 6608400C_7200200M_7001300E | ../../local_audio_path/6608400C_7200200M_7001300E.wav | apply_frequency |
Which of the following unique traits is associated with the species that produced the sound in the given recording? | [
"A. It has disproportionately large eyes and a short broad muzzle.",
"B. It constructs complex ice dens for birthing and resting.",
"C. It is known for migrating thousands of kilometers annually between feeding and breeding grounds.",
"D. It relies on echolocation to detect prey in complete darkness."
] | A. It has disproportionately large eyes and a short broad muzzle. | 6608400F | ../../local_audio_path/6608400F.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency tone around 400–500 Hz, with steady amplitude and minimal modulation.",
"B. A high-pitched sound with harmonics above 2000 Hz and rapidly changing intensity.",
"C. A broad noise pattern spread evenly across all frequencies with no distinct tonal features.",
"D. A series of inter... | A. A continuous low-frequency tone around 400–500 Hz, with steady amplitude and minimal modulation. | 6608400P | ../../local_audio_path/6608400P.wav | understand_acoustics |
Which species is identified from the sound recording? | [
"A. Leopard Seal (Hydrurga leptonyx)",
"B. Weddell Seal (Leptonychotes weddellii)",
"C. Crabeater Seal (Lobodon carcinophaga)",
"D. Ross Seal (Ommatophoca rossii)"
] | A. Leopard Seal (Hydrurga leptonyx) | 6608400Q | ../../local_audio_path/6608400Q.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"
] | A. The first sound | 6608400Q_61023006_6301900B | ../../local_audio_path/6608400Q_61023006_6301900B.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"
] | B. Sound 2 | 6608400Q_7501400X_66038007 | ../../local_audio_path/6608400Q_7501400X_66038007.wav | apply_frequency |
Based on the acoustic characteristics of the sound recording, which of the following best describes the dominant feature observed? | [
"A. A series of low-frequency tones around 300–500 Hz, with consistent intensity over time.",
"B. Rapidly fluctuating high-frequency tones above 2 kHz, accompanied by bursts of noise.",
"C. A broad-spectrum noise pattern with no distinct frequency components.",
"D. A continuous tone in the mid-frequency range... | A. A series of low-frequency tones around 300–500 Hz, with consistent intensity over time. | 6608400R | ../../local_audio_path/6608400R.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 | 6608400R_8500701C_54024005 | ../../local_audio_path/6608400R_8500701C_54024005.wav | apply_duration |
Which species is identified from the sound in the recording? | [
"A. Leopard Seal (Hydrurga leptonyx)",
"B. Weddell Seal (Leptonychotes weddellii)",
"C. Crabeater Seal (Lobodon carcinophaga)",
"D. Ross Seal (Ommatophoca rossii)"
] | A. Leopard Seal (Hydrurga leptonyx) | 6608400Z | ../../local_audio_path/6608400Z.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 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 | 6608400Z_5903000A_64104004 | ../../local_audio_path/6608400Z_5903000A_64104004.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 | 6608400Z_5903000E_6700900L | ../../local_audio_path/6608400Z_5903000E_6700900L.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 | 6608400Z_6301900D_8103700E | ../../local_audio_path/6608400Z_6301900D_8103700E.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 | 6608400Z_89514012_61072006 | ../../local_audio_path/6608400Z_89514012_61072006.wav | apply_frequency |
Which of the following is a characteristic of the species that produced the sound in the given recording? | [
"A. It is the only species in its genus and is known as the 'water worker' with 'thin-clawed' features.",
"B. It migrates to tropical waters to breed and give birth during winter months.",
"C. It relies on dense kelp forests for camouflage and protection from predators.",
"D. It primarily feeds on plankton an... | A. It is the only species in its genus and is known as the 'water worker' with 'thin-clawed' features. | 66084010 | ../../local_audio_path/66084010.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 | 66084010_7500305I_6410300A | ../../local_audio_path/66084010_7500305I_6410300A.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 highest pitch? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | C. Sound 3 | 66084010_7900200V_83006009 | ../../local_audio_path/66084010_7900200V_83006009.wav | apply_frequency |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Ross Seal (Ommatophoca rossi) - One call with ship engine noise in the background",
"B. Weddell Seal (Leptonychotes weddellii) - Series of trills and whistles",
"C. Leopard Seal (Hydrurga leptonyx) - Long growls and grumbles",
"D. Crabeater Seal (Lobodon carcinophaga) - Repeating tonal calls"
] | A. Ross Seal (Ommatophoca rossi) - One call with ship engine noise in the background | 6608500B | ../../local_audio_path/6608500B.wav | both |
What is a distinctive feature of the species that produced the sound in the given recording? | [
"A. Disproportionately large eyes adapted for low-light conditions",
"B. A long, slender body covered in thick fur for insulation",
"C. A reliance on coral reefs for reproductive behavior",
"D. Cooperative hunting strategies involving coordinated group efforts"
] | A. Disproportionately large eyes adapted for low-light conditions | 6608500E | ../../local_audio_path/6608500E.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 shortest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are the same in duration"
] | C. Sound 3 | 6608500G_7900200V_8501300S | ../../local_audio_path/6608500G_7900200V_8501300S.wav | apply_duration |
Which of the following characteristics is unique to the species that produced the sound in the given recording? | [
"A. It has disproportionately large eyes up to 7 cm in diameter.",
"B. It relies on coral reefs as its primary habitat.",
"C. It migrates annually to tropical waters for breeding.",
"D. It communicates by emitting air through its blowhole."
] | A. It has disproportionately large eyes up to 7 cm in diameter. | 6608500J | ../../local_audio_path/6608500J.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 | 6608500J_7500102S_71008009 | ../../local_audio_path/6608500J_7500102S_71008009.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"
] | A. Sound 1 | 6608500J_7900200W_9357000E | ../../local_audio_path/6608500J_7900200W_9357000E.wav | apply_duration |
What type of vocalization is most likely present in the sound recording? | [
"A. Continuous trilling with overlapping tones",
"B. A single call with consistent background noise",
"C. Repeated short chirps in rapid succession",
"D. Multiple frequency-modulated whistles"
] | B. A single call with consistent background noise | 6608500L | ../../local_audio_path/6608500L.wav | vocalization |
Which of the following characteristics is specific to the species that produced the sound in the given recording? | [
"A. It has been observed constructing nests on rocky shores during the breeding season.",
"B. It is identified by its disproportionately large eyes, which measure up to 7 cm in diameter.",
"C. It primarily preys on krill and small crustaceans using baleen plates for filtering.",
"D. It relies on coral reefs a... | B. It is identified by its disproportionately large eyes, which measure up to 7 cm in diameter. | 6608500Q | ../../local_audio_path/6608500Q.wav | remember |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 6608500Q_72014001_6804000C | ../../local_audio_path/6608500Q_72014001_6804000C.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Weddell Seal (Leptonychotes weddellii)",
"B. Ross Seal (Ommatophoca rossi)",
"C. Crabeater Seal (Lobodon carcinophaga)",
"D. Leopard Seal (Hydrurga leptonyx)"
] | B. Ross Seal (Ommatophoca rossi) | 6608500S | ../../local_audio_path/6608500S.wav | species |
Based on the acoustic characteristics of the sound recording, which of the following best describes the signal's dominant features? | [
"A. A series of harmonically rich tones in the low-frequency range below 2 kHz, with consistent amplitude over time.",
"B. Modulated tones with distinct harmonic structures predominantly in the mid-frequency range of 1–4 kHz, varying in intensity over time.",
"C. Continuous high-frequency sounds above 8 kHz, wi... | B. Modulated tones with distinct harmonic structures predominantly in the mid-frequency range of 1–4 kHz, varying in intensity over time. | 6608900E | ../../local_audio_path/6608900E.wav | understand_acoustics |
Which species and type of vocalization is most likely represented in the sound recording? | [
"A. Ross Seal (Ommatophoca rossi) - Three distinct calls",
"B. Leopard Seal (Hydrurga leptonyx) - Long descending trills",
"C. Weddell Seal (Leptonychotes weddellii) - Repetitive chirps and whistles",
"D. Crabeater Seal (Lobodon carcinophaga) - Short barks and growls"
] | A. Ross Seal (Ommatophoca rossi) - Three distinct calls | 6608900H | ../../local_audio_path/6608900H.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 6608900H_6107200M_72005008 | ../../local_audio_path/6608900H_6107200M_72005008.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 shortest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 6608900H_64005017_6000900M | ../../local_audio_path/6608900H_64005017_6000900M.wav | apply_duration |
What type of vocalization is most likely represented in the sound recording? | [
"A. Long chirp series",
"B. Continuous low-frequency hum",
"C. Short, high-pitched whistles",
"D. Rapid pulsed clicks"
] | A. Long chirp series | 67009003 | ../../local_audio_path/67009003.wav | vocalization |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of low-frequency modulated tones below 1 kHz, with a sudden burst at the end.",
"B. A high-frequency continuous tone above 4 kHz, with no significant modulation.",
"C. A steady mid-frequency hum between 2–3 kHz, with minimal temporal variation.",
"D. A broadband noise pattern spanning all frequen... | A. A series of low-frequency modulated tones below 1 kHz, with a sudden burst at the end. | 67009006 | ../../local_audio_path/67009006.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of low-frequency sounds below 1 kHz with clear harmonic structures and intermittent pauses.",
"B. A continuous high-frequency tone above 4 kHz with no significant variation in amplitude.",
"C. A broad, noisy sound spread across all frequencies with no discernible patterns.",
"D. A steady mid-freq... | A. A series of low-frequency sounds below 1 kHz with clear harmonic structures and intermittent pauses. | 67009007 | ../../local_audio_path/67009007.wav | understand_acoustics |
Which of the following statements is true about the species that produced the sound in the given recording? | [
"A. It relies on blubber as its primary form of insulation in adulthood.",
"B. It constructs dens in ice to protect its young from predators.",
"C. It primarily migrates to tropical waters during the breeding season.",
"D. It is known for its ability to climb rocky cliffs to evade predators."
] | A. It relies on blubber as its primary form of insulation in adulthood. | 67009008 | ../../local_audio_path/67009008.wav | remember |
Which species and vocalization type does the audio recording most likely represent? | [
"A. Harp Seal (Phoca groenlandica) producing grunts",
"B. Gray Seal (Halichoerus grypus) producing growls",
"C. Weddell Seal (Leptonychotes weddellii) producing trills",
"D. Ringed Seal (Pusa hispida) producing whistles"
] | A. Harp Seal (Phoca groenlandica) producing grunts | 67009009 | ../../local_audio_path/67009009.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 range? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 67009009_7500403N_6202600C | ../../local_audio_path/67009009_7500403N_6202600C.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 67009009_81015005_7500403N | ../../local_audio_path/67009009_81015005_7500403N.wav | apply_duration |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Harp Seal (Phoca groenlandica) - Series of barks",
"B. California Sea Lion (Zalophus californianus) - Repeated honking sounds",
"C. Weddell Seal (Leptonychotes weddellii) - Descending trills",
"D. Grey Seal (Halichoerus grypus) - Low growls and moaning sounds"
] | A. Harp Seal (Phoca groenlandica) - Series of barks | 6700900D | ../../local_audio_path/6700900D.wav | both |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It is a solitary animal that rarely congregates in large groups.",
"B. It delays the implantation of its embryo to ensure optimal breeding conditions.",
"C. It relies on coral reefs as breeding grounds during the mating season.",
"D. It primarily migrates to tropical waters to raise its young."
] | B. It delays the implantation of its embryo to ensure optimal breeding conditions. | 6700900G | ../../local_audio_path/6700900G.wav | remember |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A series of low-frequency grunts below 1 kHz, with noticeable intensity variation over time.",
"B. High-pitched continuous tones above 4 kHz, with minimal modulation or variation in amplitude.",
"C. A steady broadband noise spread evenly across all frequencies, with no distinct temporal patterns.",
"D. A ... | A. A series of low-frequency grunts below 1 kHz, with noticeable intensity variation over time. | 6700900I | ../../local_audio_path/6700900I.wav | understand_acoustics |
Which of the following statements is characteristic of the species that produced the sound in the given recording? | [
"A. It is known for using vocalizations, bubbles, and paw movements during underwater courtship displays.",
"B. It constructs dens out of ice and snow to protect its young from predators.",
"C. It primarily feeds on krill and relies on baleen plates for filtering food.",
"D. It migrates primarily to tropical ... | A. It is known for using vocalizations, bubbles, and paw movements during underwater courtship displays. | 6700900J | ../../local_audio_path/6700900J.wav | remember |
Which species is identified from the sound in the recording? | [
"A. Harp Seal (Phoca groenlandica)",
"B. Grey Seal (Halichoerus grypus)",
"C. Ringed Seal (Pusa hispida)",
"D. Bearded Seal (Erignathus barbatus)"
] | A. Harp Seal (Phoca groenlandica) | 6700900L | ../../local_audio_path/6700900L.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"
] | A. Sound 1 | 6700900L_5601601O_9101300D | ../../local_audio_path/6700900L_5601601O_9101300D.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 higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 6700900L_7800701J_7500303Q | ../../local_audio_path/6700900L_7800701J_7500303Q.wav | apply_frequency |
Which of the following is a characteristic of the species that produced the sound in the given recording? | [
"A. It relies on pack ice for breeding and pupping.",
"B. It constructs dens in coastal sand dunes for giving birth.",
"C. It migrates thousands of kilometers to tropical waters for mating.",
"D. It uses echolocation to locate prey in deep ocean waters."
] | A. It relies on pack ice for breeding and pupping. | 6700900M | ../../local_audio_path/6700900M.wav | remember |
Which species is identified from the sound recording? | [
"A. Grey Seal (Halichoerus grypus)",
"B. Harp Seal (Phoca groenlandica)",
"C. Ringed Seal (Pusa hispida)",
"D. Hooded Seal (Cystophora cristata)"
] | B. Harp Seal (Phoca groenlandica) | 6700900R | ../../local_audio_path/6700900R.wav | species |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A series of distinct low-frequency bursts below 1.5 kHz, with clear separation over time.",
"B. A continuous high-frequency tone above 4 kHz, with minimal variation in amplitude.",
"C. A steady broadband noise spread evenly across all frequencies with no distinct patterns.",
"D. A single long-duration ton... | A. A series of distinct low-frequency bursts below 1.5 kHz, with clear separation over time. | 6700900W | ../../local_audio_path/6700900W.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 | 67010001_71001033_5602500N | ../../local_audio_path/67010001_71001033_5602500N.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 highest pitch? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | C. Sound 3 | 67010007_66038007_89514018 | ../../local_audio_path/67010007_66038007_89514018.wav | apply_frequency |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A series of rhythmic, low-frequency bursts below 1 kHz, with harmonic overtones extending up to 5 kHz.",
"B. A continuous high-frequency tone above 8 kHz, with minimal modulation or amplitude variation.",
"C. A random distribution of noise across all frequencies, with no discernible patterns.",
"D. A stea... | A. A series of rhythmic, low-frequency bursts below 1 kHz, with harmonic overtones extending up to 5 kHz. | 6701000A | ../../local_audio_path/6701000A.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 series of low-frequency tones below 1 kHz, with visible harmonics and some modulation over time.",
"B. A continuous high-frequency tone above 4 kHz, with no visible harmonics.",
"C. Loud bursts of broadband noise spread evenly across all frequencies.",
"D. A steady low-frequency rumble with no variation... | A. A series of low-frequency tones below 1 kHz, with visible harmonics and some modulation over time. | 6701000B | ../../local_audio_path/6701000B.wav | understand_acoustics |
Which of the following is a unique trait of the species that produced the sound in the given recording? | [
"A. It has a long, spiraled tusk that serves as a secondary sexual characteristic.",
"B. It uses its tail fluke to slap the water as a form of communication.",
"C. It has a dorsal fin that is highly visible when surfacing.",
"D. It constructs underwater bubble nets to trap prey."
] | A. It has a long, spiraled tusk that serves as a secondary sexual characteristic. | 68002007 | ../../local_audio_path/68002007.wav | remember |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Narwhal (Monodon monoceros) - Clicks",
"B. Beluga Whale (Delphinapterus leucas) - High-pitched whistles",
"C. Sperm Whale (Physeter macrocephalus) - Regular clicking patterns used for echolocation",
"D. Orca (Orcinus orca) - Whistles mixed with pulsed calls"
] | A. Narwhal (Monodon monoceros) - Clicks | 6800200A | ../../local_audio_path/6800200A.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 longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | B. Sound 2 | 6800200A_88006007_9101201L | ../../local_audio_path/6800200A_88006007_9101201L.wav | apply_duration |
What type of vocalization is most likely identified in the sound recording? | [
"A. A series of rapid clicks",
"B. A long, continuous whistle",
"C. A sequence of modulated trills",
"D. A low-frequency hum"
] | A. A series of rapid clicks | 6800200B | ../../local_audio_path/6800200B.wav | vocalization |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It possesses a spiraling tusk that is an elongated left canine.",
"B. It constructs dens from pack ice to shield offspring from predators.",
"C. It communicates exclusively through low-frequency sounds that travel long distances.",
"D. It migrates to tropical waters annually to breed and give birth."
] | A. It possesses a spiraling tusk that is an elongated left canine. | 6800200C | ../../local_audio_path/6800200C.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 | 6800200C_63019001_8303501W | ../../local_audio_path/6800200C_63019001_8303501W.wav | apply_frequency |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | C. Sound 3 | 6800200C_7200500Y_6608500E | ../../local_audio_path/6800200C_7200500Y_6608500E.wav | apply_frequency |
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