Convert M4B to FLAC

Turn M4B audiobook audio into FLAC and fine-tune codec, quality, sample rate, channels, and trim before downloading.
OptionsAdvanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
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Compression level
Compression level
1
12
12
Lower the number, faster the process but file will be larger. For high compression, set this to a largest number. This doesn't effect the audio quality.
Audio Channel
Audio Channel
Audio Sample Rate
Audio Sample Rate
Trim

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