how to remove silence from an audio file
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i have gunshots and i want to remove all silence parts from that gunshots file because while processing and feature extractions that silent part of audio becomes part of feature so when we start testing that irrelevant feature create problem so i want to ignore that silent parts of audio during feature extraction please help me thanks in advance
Accepted Answer
Image Analyst
on 4 Jul 2017
How about
indexOfLoud = signal > someThreshold;
onlyLoudParts = signal(indexOfLoud);
If not, then attach your audio file and tell me what's wrong with this solution.
1 Comment
Jang Bahadur Singh
on 28 Jan 2020
Audio signal has positive and negative values, (signal > someThreshold) will not work here.
Follow some idea like: https://in.mathworks.com/matlabcentral/fileexchange/28826-silence-removal-in-speech-signals
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on 4 Jul 2017
on 28 Jan 2020
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