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Clarify the effect of -x / --extract-audio

Make it clear that specifying a target bitrate does not force conversion if source and target format is the same
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RasmusMathiesen 2020-01-30 13:27:07 +01:00 committed by GitHub
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@ -386,8 +386,12 @@ Alternatively, refer to the [developer instructions](#developer-instructions) fo
## Post-processing Options: ## Post-processing Options:
-x, --extract-audio Convert video files to audio-only files -x, --extract-audio Convert video files to audio-only files
or convert audio to different format
(requires ffmpeg or avconv and ffprobe or (requires ffmpeg or avconv and ffprobe or
avprobe) avprobe). Conversion only happens when
source and target formats are different,
regardless of source and target quality/
bitrate
--audio-format FORMAT Specify audio format: "best", "aac", --audio-format FORMAT Specify audio format: "best", "aac",
"flac", "mp3", "m4a", "opus", "vorbis", or "flac", "mp3", "m4a", "opus", "vorbis", or
"wav"; "best" by default; No effect without "wav"; "best" by default; No effect without