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FFmpeg Resampler Documentation
https://ffmpeg.org/ffmpeg-resampler.html
For soxr only, the precision in bits to which the resampled signal will be calculated. The default value of 20 (which, with suitable dithering, is appropriate for a destination bit-depth of 16) gives SoX’s ’High Quality’; a value of 28 gives SoX’s ’Very High Quality’.
audio - ffmpeg FLAC 24 bit 96khz to 16 bit 48khz - Stack ...
https://stackoverflow.com/questions/41420391/ffmpeg-flac-24-bit-96khz-to-16-bit-48khz
SoX resampler. FFmpeg supports two resamplers: the default swresample library, and the external SoX resampler (soxr). To use soxr your ffmpeg must be compiled with --enable-libsoxr. Then choose it with the -resampler option: ffmpeg -i input.flac -resampler soxr -sample_fmt s16 -ar 48000 output.flac Or use the aresample filter to do it all:
Careful with audio resampling using FFmpeg | Transcoding ...
https://transcoding.wordpress.com/2011/11/16/careful-with-audio-resampling-using-ffmpeg/
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 the length of the filter, with longer leading to steeper cutoff, 16 was probably used in your test. For example
ffmpeg audio resampler problem [#364269] | Drupal.org
https://www.drupal.org/project/flashvideo/issues/364269
Hello, with recent versions of ffmpeg I'm having problems to convert videos to flv as the videos of my digital camera (canon ixus) has audio in pcm_u8 and (recent versions of) ffmpeg doesn't want to resample 8bit audio anymore.
GitHub - clone206/ffmpeg-batch-audio-resampler: A …
https://github.com/clone206/ffmpeg-batch-audio-resampler
ffmpeg Batch Audio Resampler/Format Converter. A batch audio file converter/resampler for *nix systems, written in bash, making use of ffmpeg. Tested in macOS and ubuntu, with bash 3.2+. This utility is meant to work only with audio files. It is mainly designed to help in situations where you have multiple lossless audio files in one or many format/sample rate (s), and you want to …
GitHub - jniemann66/ReSampler: High quality command …
https://github.com/jniemann66/ReSampler
Synopsis. ReSampler is a high-performance command-line audio sample rate conversion tool which can convert audio file formats with a variety of different bit-depths and audio channel configurations. ReSampler compiles and runs on Windows, Linux and macOS. ReSampler is intended to produce outstanding quality sound files, keeping aliasing and ...
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