[INFO] MFCC extraction code using vDSP (iOS/OSX)
[INFO] MFCC extraction code using vDSP (iOS/OSX)
- Subject: [INFO] MFCC extraction code using vDSP (iOS/OSX)
- From: Heinrich Fink <email@hidden>
- Date: Tue, 19 Apr 2011 11:50:18 +0200
| Hi,
I have recently built a robust and efficient implementation to extract Mel-Frequency-Cepstral-Coefficients from a window of audio samples. This is achieved by using routines provided by the Accelerate.framework only (no FFTW dependencies). MFCCs are used widely in the domain of audio analysis, especially for speech recognition. As I figure that many readers of this mailing list might be working on similar projects, I would like to share this code with you:
Especially on newer iOS devices equipped with the armv7 NEON SIMD instructions, this implementation should be pretty fast!
This code was developed during a lab course assignment at our university. A summary of this project is found here:
Feedback is very welcome, and I hope some of you find the MFCC extraction useful! Sources are licensed under the MIT license.
best regards,
Heinrich Fink |
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