All Questions
Tagged with preprocessing audio
3
questions
1
vote
1
answer
110
views
Separate key-related frequencies from audio signal
I have various samples of various instruments sound, and I'm trying to classify them using pyAudioAnalysis and various Machine Learning algorithms. The samples ...
2
votes
1
answer
2k
views
voice recognition vs speech recognition MFCC
I have a basic understanding of the acoustic preprocessing involved in speech recognition: divide the speech into frames, find the mel frequency cepstral coefficients of each frame, construct a ...
7
votes
1
answer
489
views
MP3 Decoding Discrepancy
Is it possible for two different decoders to output two different sample results for the same MP3? I'm decoding an mp3 on Matlab and it produces two columns (presumably one for each channel). When I ...