How can I slice an audio from the front, and extract and save audio from the back?

Technical Source
2 min readFeb 28, 2024

I have an audio file and I wish to slice the audio from the front and extract and save the audio from the back.

Let say I have a raw audio file of 20 seconds,

I want to delete everything from the start till 4 seconds,

and keep and save 5 seconds to 20 seconds, making it 16 seconds in the new saved audio file?

Could someone help with this? The below code is what I think may work, do correct my code.

[y, fs]=audioread(filename);
[y1,fs] = audioread(filename,samples);
save([extension '.wav'],'cutversion')

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You can just delete the initial part of the audio signal and save it into the audio file. For example

[s, fs] = audioread('sample.wav');
s2 = s;
s2(1:2*fs) = [];
audiowrite('new_file.wav', s2, fs);




Technical Source

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