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SpectroFlac 1.1.1

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@LinuxKernel44 LinuxKernel44 released this 03 Oct 11:28
· 7 commits to main since this release
v1.1.1
f7d42ad

SpectroFlac 1.1.1 — calibration fixes from real-music testing.

Fixed

  • A genuine lossless track could get a "Joint-stereo coding artifacts" warning. The stereo-narrowing threshold went from 12 to 20 dB, and that signal alone is now informational only.
  • A loud Opus 128 kbps transcode was rated genuine: sparse clipping bursts blurred the peak-hold spectrum. The detector now falls back to the average spectrum when peak-hold finds no cut.
  • Vorbis q4 fingerprint band widened (19.1–19.45 kHz on real music).

Checked against a real 17-track lossless album and 21 lossy transcodes of three of its tracks: every genuine file came out genuine and every transcode was caught. That is still a small corpus; other encoders and other kinds of music may behave differently.

Signed with the same key as 1.1.0, so 1.1.0 updates in place. Installs of 1.0.0 must be uninstalled first (different signing key).

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