Spectrogram
The sound spectrogram is one of the most fundamental tools of digital speech processing. The sound spectrogram of a speech file is an image map of the sequence of short-time log (or linear) spectrums, where each spectrum is obtained from an STFT analysis of a frame of speech, and subsequent spectrums are obtained from STFT analyses of subsequent, highly overlapped in time, frames of speech. Thus the sound spectrogram is a two-dimensional (image) plot of speech spectral information (linear or log magnitude) over the duration of the speech signal. The file '3.7 Spectrograms.pdf' provides a User's Guide for this exercise.
인용 양식
Lawrence Rabiner (2024). Spectrogram (https://www.mathworks.com/matlabcentral/fileexchange/52134-spectrogram), MATLAB Central File Exchange. 검색됨 .
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