Loudness Spectrogram Examples

We now illustrate a particular Matlab implementation of a loudness spectrogram developed by teaching assistant Patty Huang, following [85,172,86] with slight modifications.^7.9

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Subsections

• Multiresolution STFT
• Excitation Pattern
• Nonuniform Spectral Resampling
• Specific Loudness
• Spectrograms Compared
• Instantaneous, Short-Term, and Long-Term Loudness

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About the Author: Julius Orion Smith III
Julius Smith's background is in electrical engineering (BS Rice 1975, PhD Stanford 1983). He is presently Professor of Music and Associate Professor (by courtesy) of Electrical Engineering at Stanford's Center for Computer Research in Music and Acoustics (CCRMA), teaching courses and pursuing research related to signal processing applied to music and audio systems. See http://ccrma.stanford.edu/~jos/ for details.