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c++ - FFMPEG audio upsampling/resampling to 48000 Hz ...

    https://stackoverflow.com/questions/16627191/ffmpeg-audio-upsampling-resampling-to-48000-hz-causes-sound-wheeze-noises-dissor
    FFMPEG audio upsampling/resampling to 48000 Hz causes sound wheeze/noises/dissortions 0 I'm using the following example http://svn.gnumonks.org/tags/21c3-video/upstream/ffmpeg-0.4.9-pre1/output_example.c to make videos. If I use 44100 Hz for the output audio format it seems that all is fine, but if I use 48000 Hz any audio gets wheeze.

ffmpeg - Convert an MP3 from 48000 to 44100 Hz? - Super User

    https://superuser.com/questions/253467/convert-an-mp3-from-48000-to-44100-hz
    71. This answer is not useful. Show activity on this post. ffmpeg doesn't look to be the appropriate tool; I'd normally use sox for audio-only files. $ sox file1.mpg -r 44100 file1-enc.mpg. If you want to try using ffmpeg anyway, I think the correct command would be. $ ffmpeg -i file1.mpg -ar 44100 file1-enc.mpg. Share.

FFmpeg Devices Documentation

    https://ffmpeg.org/ffmpeg-devices.html
    Default is 48000. channels Set the number of channels. Default is 2. 3.2 android_camera Android camera input device. This input devices uses the Android Camera2 NDK API which is available on devices with API level 24+. The availability of android_camera is autodetected during configuration.

FFmpeg Resampler Documentation

    https://ffmpeg.org/ffmpeg-resampler.html
    The audio resampler supports the following named options. Options may be set by specifying -option value in the FFmpeg tools, option=value for the aresample filter, by setting the value explicitly in the SwrContext options or using the libavutil/opt.h API for programmatic use. ich, in_channel_count. Set the number of input channels. Default ...

#3992 (When streaming stereo opus audio over rtp, ffmpeg ...

    https://trac.ffmpeg.org/ticket/3992
    When streaming stereo opus audio over rtp, ffmpeg prints sdp info for a mono stream. Reported by: CoRoNe: Owned by: Priority: normal: Component: avformat: Version: unspecified: Keywords: opus rtp sdp: Cc: ... a=rtpmap:97 opus/48000/2 I've read the comment in ...

How to use FFMpeg to do Simple Audio Conversion

    https://www.howtoforge.com/tutorial/ffmpeg-audio-conversion/
    ffmpeg -formats. and. ffmpeg -codecs. and all supported forms will be displayed. You can use one input file to get several different output files by just entering the name and the prefix like this: ffmpeg -i filename.mp3 newfilename.wav newfilename.ogg newfilename.mp4. This will result in converting 3 output audio files (wav,ogg,mp4) from one ...

DTS-MA tot AC3 : ffmpeg

    https://www.reddit.com/r/ffmpeg/comments/sm1zm0/dtsma_tot_ac3/
    Stream #0:1 (jpn): Audio: dts (DTS-HD MA), 48000 Hz, 5.1 (side), s32p (24 bit) (default) Stream #0:2 (eng): Audio: dts (DTS-HD MA), 48000 Hz, 5.1 (side), s32p (24 bit) I want to to convert both to AC3 while keeping them at the same time. Normaly I can do this quite easily with (there is some stuff to copy video, subtitles and the 2 excsiting ...

#4178 (Opus audio in MKV container) – FFmpeg

    https://trac.ffmpeg.org/ticket/4178
    Summary of the bug: Opus Audio in MKV/WEBM/MKA containers is has crackling and lots of clicks/artifacts when played in ffplay, mplayer or using shared libraries (e.g. Kodi) How to reproduce: Mux Opus Audio into MKV. Play it with ffplay, mplayer or anything leveraging ffmpeg shared libraries. MPC-HC has zero problems playing these files at all.

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