Library for resampling audio

Question

In the built-in (Windows CE) C ++ project, I have to reprogram an arbitrary sampling rate down (or up) to 44100 Hz.

Is there a free and portable C / C ++ library for resampling audio?

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c ++ c embedded audio resampling

Wizard79 Oct 24 '10 at 18:35

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2 answers

Here's a sample code using FFMpeg (avcodec) directly from C:

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jhakeem Apr 13 '11 at 19:47

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mikerobi · Accepted Answer · 2010-10-24T18:40:51+0000

A formatted recording application. Please see the link above for more information and license information:

libresample and sndfile-resample (from libsamplerate ) (in the CCRMA distribution of the Planet).
libsoxr , SoX resampler library
ssrc (from Shibatch)
There is a project combining ssrc and sox
New in 2016 is an implementation of Python (Cython): resampy
Brick (on Github ).
Smarc , available as a command-line tool or C library.
The resample software package contains a free sample conversion and filtering program written in C.
- Old version for NeXT Computers.
- Original source in 1983+ for PDP KL-10.
Eric de Castro Lopo "SecretRabbitCode" libsamplerate
libresample based on `resample-1.7P
libresample4j is the Java port of libresample .
The open source audio format project (OSALP) contains a resample based C ++ resample .
Speex speech encoder / decoder.
See more in another large list of implementations and their relative performance.