Pulseaudio Resample-Method Ffmpeg

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FFmpeg Resampler Documentation

https://ffmpeg.org/ffmpeg-resampler.html

1 Description 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.

Pulseaudio on the Raspbery Pi - Crazy Audio

http://www.crazy-audio.com/2014/09/pulseaudio-on-the-raspbery-pi/

resample-method = ffmpeg enable-remixing = no enable-lfe-remixing = no default-sample-format = s32le default-sample-rate = 192000 alternate-sample-rate = 176000 default-sample-channels = 2 All other settings use the defaults. Conclusion Setting up Pulseaudio on the Raspberry Pi with support for high-resolution sound formats is not trivial.

pulseaudio - ffmpeg and pulse audio creating buzzy …

https://stackoverflow.com/questions/44578289/ffmpeg-and-pulse-audio-creating-buzzy-speech

ffmpeg command: ffmpeg \ -f x11grab -framerate 30 -video_size ${SCREEN_WIDTH}x${SCREEN_HEIGHT} -i :1.0 \ -f pulse -i default \ -c:v libx264 -preset veryfast -maxrate 2500k -bufsize 2500k -vf "format=yuv420p" -g 60 \ -c:a aac -strict -2 -channel_layout stereo -ab 256k -ar 48000 -bufsize 512k -ac 2 \ -flags +global_header -f flv "test.mp4"

PulseAudio - LinuxReviews

https://linuxreviews.org/PulseAudio

resample-method sets the type of technology used for resampling. speex-float is a good option for weaker processors. It has many quality/speed options you can use by adding a -number to it. speex-float-10 provides better quality than say speex-float-2 - higher values produce better quality and consume more CPU, lower values have lower quality and consume less CPU.

Connecting to a bluetooth speaker with pulseaudio

http://tgarc.github.io/2015/03/24/connecting-to-a-bluetooth-speaker-with-pulseaudio/

Now, we have to make a minor modification the pulseaudio daemon config file. $ sudo nano /etc/pulse/daemon.conf Look for this line resample-method = speex-float-3 and replace it with ; resample-method = speex-float-3 Then, add this line underneath it resample-method = trivial Exit and save. Now we can start the pulseaudio daemon

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