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Audio formats these days typically involve blocks/segments of a certain lengths. I would like a GUI tool to inspect (and listen to) audio tracks, and decide where to cut them, so that either:

  • Cuts happen at block/segment boundaries, so that no recoding is necessary, just a transcription of the blocks to a new file.
  • Cuts happen anywhere, and only the sub-segment up to the next segment boundary is recoded, so that most of the track loses nothing (if the format allows it, anyway; otherwise, perhaps a coding of a segment beginning or ending with some silence).

Required features:

  • Runs on X-based desktop environments
  • Runs on Linux
  • GUI
  • Supports MP3 and MP4 AAC
  • (No price or license requirement - go crazy)

Desirable features:

  • Gratis
  • Open source with a libre license
  • Runs on Windows
  • Command-line mode
  • Seapration of command-line tool and a GUI frontend
  • Actively maintained
  • Wider range of formats supported
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This is what I've found myself:

LosslessCut (GitHub.com)

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It's more focused on Video; the GUI is very limited (e.g. can't enter the cut range as timecodes, typing in the digits); and you don't see the wave form or the block/frame boundaries. Still, it sort of does the job.

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