Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
Increase PCM normalizer target RMS to -6 dBFS
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-1
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-1
firmware/pcm_normalizer.c
+1
-1
firmware/pcm_normalizer.c
···
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50
* GATE_THRESH RMS below this level → chunk is silence; neither the RMS
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* estimate nor the gain are updated. -60 dBFS ≈ 0.001.
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* ──────────────────────────────────────────────────────────────────────────── */
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-
#define TARGET_RMS 0.35f /* -9 dBFS — loud, punchy target */
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+
#define TARGET_RMS 0.50f /* -6 dBFS — loud, punchy target */
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#define RMS_ATTACK 0.3f /* fast: track loud transients in ~2-3 chunks */
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#define RMS_RELEASE 0.99f /* ~7 s to settle on a quieter signal */
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#define GAIN_ATTACK 0.3f /* reduce gain quickly to prevent clipping */