curlsloth / MusicSpeechAmplitudeModulation

This repo contains the data and the MATLAB script of the paper Chang et al. (2024) PLOS Biology "The human auditory system uses amplitude modulation to distinguish music from speech"

Music Speech Amplitude Modulation

This repo contains the data and the MATLAB script of my published paper (open access):

• Chang, A., Teng, X., Assaneo, M.F., Poeppel, D. (2024) The human auditory system uses amplitude modulation to distinguish music from speech. PLOS Biology, 22(5): e3002631 [https://doi.org/10.1371/journal.pbio.3002631]

Featured in the media:

• CBC Radio's Quirks & Quarks: How the brain can instantly tell the difference between speech and music
• NYU News: Is It a Sound of Music…or of Speech? Scientists Uncover How Our Brains Try to Tell the Difference

Other related links:

• OSF project
• Preprint

Audio examples

Peak AM frequency: High
Temporal regularity: High

audio_highPeakFreq_highRegularity_1.mp4

Peak AM frequency: High
Temporal regularity: Low

audio_highPeakFreq_lowRegularity_1.mp4

Peak AM frequency: Low
Temporal regularity: High

audio_lowPeakFreq_highRegularity_1.mp4

Peak AM frequency: Low
Temporal regularity: Low

audio_lowPeakFreq_lowRegularity_1.mp4

See here fore more examples.

Experimental tasks and scripts

Deposited on Pavlovia

Tasks
Experiment 1
Experiment 2
Experiment 3
Experiment 4

Scripts
Experiment 1
Experiment 2
Experiment 3
Experiment 4