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Testing portaudio and speex – part 3 | Coding
https://slworkthings.wordpress.com/2009/11/11/testing-portaudio-and-speex-part-3/
Continue. speex header file: #ifndef _SAN_SPEEX_H_ #define _SAN_SPEEX_H_ //copy from speex_jitter_buffer.h(.c) #include <speex/speex_jitter.h> #include <speex/speex.h> #include <speex/speex.h> #include <speex/speex_jitter.h> #include <speex/speex_preprocess.h> #include <speex/speex_echo.h> #ifdef __cplusplus extern "C" { #endif /** @defgroup …
Testing portaudio and speex – part 2 | Coding
https://slworkthings.wordpress.com/2009/11/11/testing-portaudio-and-speex-part-2/
Posted in Programming | Tags: audio, portaudio, Qt, serversocket, socket, speex « Testing portaudio and speex – part 1 Testing portaudio and speex – part 3 »
UltraGrid Modules MacOS X - CESNET/UltraGrid Wiki
https://github-wiki-see.page/m/CESNET/UltraGrid/wiki/UltraGrid-Modules-MacOS-X
Portaudio. To use Portaudio, you will need Portaudio library installed inside your system including headers. When recognize with configure script, Portaudio support will be automatically added. ... SPEEX. Note: This setup aplies only for UltraGrid versions less than 1.1-rc3. With 1.1-rc3 and latter this is not needed - UG builds needed SPEEX ...
c++ - speex decoding going wrong - Stack Overflow
https://stackoverflow.com/questions/4279825/speex-decoding-going-wrong
I found the reason the encoded data was so different. There is the fact it's a lossy compression as Paulo Scardine said, and also that speex only works with 160 frames, so when getting data from portaudio to speex, it needs to be by "packets" of 160 frames.
PortAudio - an Open-Source Cross-Platform Audio API
PortAudio is a free, cross-platform, open-source, audio I/O library. It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms including Windows, Macintosh OS X, and Unix (OSS/ALSA). It is intended to promote the exchange of audio software between developers on different platforms.
speex decoding going wrong
https://www.py4u.net/discuss/103883
I found the reason the encoded data was so different. There is the fact it's a lossy compression as Paulo Scardine said, and also that speex only works with 160 frames, so when getting data from portaudio to speex, it needs to be by "packets" of 160 frames.
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