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audio types – FFmpeg
https://trac.ffmpeg.org/wiki/audio%20types
Sample Formats. Raw audio in FFmpeg can take several different "forms", i.e. sample formats. For instance: s means "signed" (for the integer representations), u would mean "unsigned" 16 means 16 Bits per sample le means "little endian" coding for the samples You can see a list of supported sample formats by inspecting the ffmpeg -formats output:
audio streaming - How do I change the bit depth in FFmpeg ...
https://superuser.com/questions/547929/how-do-i-change-the-bit-depth-in-ffmpeg
The bit depth can be changed with the sample_fmt option, e.g. ffmpeg -i … -c:a flac -sample_fmt s16 output.flac. Note that not all formats are supported by every encoder. For a list of all supported sample formats, run: ffmpeg -sample_fmts. See the chapter Audio Options in the FFmpeg command line documentation.
music - Changing sample format and bit depth on audio ...
https://askubuntu.com/questions/1306318/changing-sample-format-and-bit-depth-on-audio-files-with-ffmpeg
Or manually declare a 16-bit encoder ffmpeg -i input.wav -c:a pcm_s16le -ar 44100 output.wav See a list of encoders with ffmpeg -encoders; See what audio sample formats (bit depth) an encoder supports with ffmpeg -h encoder=pcm_s16le; Or manually set the audio sample format. With the -sample_fmt option.
c - How to encode 24-bit audio with libav/ffmpeg? - Stack ...
https://stackoverflow.com/questions/29131173/how-to-encode-24-bit-audio-with-libav-ffmpeg
* Sample values can be expressed by native C types, hence the lack of a signed * 24-bit sample format even though it is a common raw audio data format. * * @par * The floating-point formats are based on full volume being in the range * [-1.0, 1.0].
How to Get Video Bitrate with FFmpeg (video, audio & …
https://www.skillsugar.com/how-to-get-video-bitrate-with-ffmpeg-video-audio-total
Get the Total Bitrate of a Video. To get the total bitrate of a video, use the following ffprobe command: The first bit_rate value is the video stream and the second is the audio stream. The bite_rate value is in bits per second so 2293882 + 209716 would be about 2.5 Megabits per second total. To return only the numerical values set the output ...
[Qt5] play the audio decoded by ffmpeg using QAudioOutput
https://programming.vip/docs/qt5-play-the-audio-decoded-by-ffmpeg-using-qaudiooutput.html
For example, setSampleSize(8) and setsampletype (unsigned int) correspond to AV in ffmpeg_ SAMPLE_ FMT_ U8. AV function in ffmpeg_ get_ bytes_ per_ Sample can obtain the number of bytes of the sampling data type corresponding to AVSampleFormat. Multiply the result by 8 to get the sampleSize parameter of QAudioFormat. Audio format conversion in ...
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