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[SOLVED] Forensic detection of pitch shift and time stretch detection in wave file

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ndmahesh21

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hi all....

it would be great of you that anyone could help me in finding the pitch shifted and time stretched audio file using forensical approach in Matlab.

for example:
if i have an audio file which has the total length of 10 seconds, and if the file has been tampered(pitch shifted or time stretched) at say between 5 to 7 seconds, then my task is to find out that the file has been time stretched or pitched shifted from 5 to 7 seconds.

thanks in advance
Mahe
 

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