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pulseaudio: src/pulsecore/ffmpeg/resample2.c File ...
https://fossies.org/dox/pulseaudio-15.0/resample2_8c.html
About: PulseAudio is a networked sound server (for POSIX OSes), a proxy for your sound applications. Fossies Dox: pulseaudio-15.0.tar.xz ("unofficial" and yet experimental doxygen-generated source code documentation) ... Referenced by ffmpeg_resample(). av_resample_close()
FFmpeg Resampler Documentation
https://ffmpeg.org/ffmpeg-resampler.html
The FFmpeg resampler provides a high-level interface to the libswresample library audio resampling utilities. In particular it allows one to perform audio resampling, audio channel layout rematrixing, and convert audio format and packing layout. 2 Resampler Options. The audio resampler supports the following named options.
ffmpeg: how to resample audio file - Stack Overflow
https://stackoverflow.com/questions/67880409/ffmpeg-how-to-resample-audio-file
Gyan's comment is what I want, here is the full command line:. ffmpeg -i in.m4a -ac 1 -ar 22050 -c:a libmp3lame -q:a 9 out.mp3 with the option for VBR encoding. The number after -q:a specifies encoding quality (bitrate), with 0 being the best quality (largest file) and 9 being the worst quality (smallest file).. Here is the document on ffmpeg wiki.
pulseaudio - ffmpeg and pulse audio creating buzzy …
https://stackoverflow.com/questions/44578289/ffmpeg-and-pulse-audio-creating-buzzy-speech
Ok, updated the ffmpeg command to capture only the audio, but still have the same issue: ffmpeg \ -f pulse -i default \ -c:a aac -strict -2 -channel_layout stereo -ab 256k -ar 48000 -bufsize 512k -ac 2 \ test.aac. I do get some interesting messages …
Pulseaudio on the Raspbery Pi | Crazy Audio
http://www.crazy-audio.com/2014/09/pulseaudio-on-the-raspbery-pi/
Installing Pulseaudio. unfortunately the Raspbian pulseaudio package does not include some resamplers. I was not able to use the “ffmpeg” resampler with it. Therefore I decided to build my own pulseaudio package. This also allows to use PulseAudio 5 instead of version 2 that it part of the Raspbian distribution.
Careful with audio resampling using FFmpeg | Transcoding ...
https://transcoding.wordpress.com/2011/11/16/careful-with-audio-resampling-using-ffmpeg/
2 thoughts on “ Careful with audio resampling using FFmpeg ” Michael Niedermayer says: August 7, 2012 at 03:53 You can easily tune the lowpass filter used in ffmpeg. The cutoff parameter to the aresample filter controls the cutoff frequency, 1 would be the nyquist, 0.8 is what was probably used in your test of ffmpeg. filter_size controls ...
PulseAudio - LinuxReviews
https://linuxreviews.org/PulseAudio
Setting this to false makes PulseAudio use the default-sample-rate even if it means re-sampling 441000 audio. This is the better choice you will be playing audio from different sources - and you will end up doing that from time to time. resample-method sets the type of technology used for resampling. speex-float is a good option for weaker ...
pulseaudio daemon conf raspberry · GitHub
https://gist.github.com/9218421
pulseaudio daemon conf raspberry. Raw. daemon.conf. # This file is part of PulseAudio. #. # PulseAudio is free software; you can redistribute it and/or modify. # it under the terms of the GNU Lesser General Public License as published by. # the Free Software Foundation; either version 2 of the License, or. # (at your option) any later version.
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