Convert your file from MPEG-4 Audio Book File to Opus Audio File with this M4B to OPUS converter.
Enter the timestamps of where you want to trim your audio. The format is HH:MM:SS. HH = hour, MM = minutes, SS = seconds.
Example: 00:02:23 for 2 minutes and 23 seconds.
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M4B files are audiobook files based on the very well-known and common container format MPEG-4. Typically, they are compressed using .AAC encoding. M4B files are very similar if not almost identical to another audio file format that uses the M4A file ...
Developed with the intent to support internet streaming by the Internet Engineering Task Force (IETF) OPUS is a lossy audio format. The OPUS extension encoded with OPUS codec are uncommon as the OPUS codec is mainly brought in use for streaming.
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