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author hap <happppp@users.noreply.github.com>2025-07-16 17:19:05 +0200
committer hap <happppp@users.noreply.github.com>2025-07-16 17:19:05 +0200
commitfc2b4598c4c8025700335b3802379453a59de78e (patch)
tree016ec5b9b8d51d39abd27c5689402094a7f352d2 /docs
parent9f3b3f583a5cbfd1053524fe69197b08d53f3703 (diff)
docs: add note about audio effect defaults
Diffstat (limited to 'docs')
-rw-r--r--docs/source/usingmame/mamemenus.rst9
1 files changed, 7 insertions, 2 deletions
diff --git a/docs/source/usingmame/mamemenus.rst b/docs/source/usingmame/mamemenus.rst
index b6943c63ab7..4a1157046f3 100644
--- a/docs/source/usingmame/mamemenus.rst
+++ b/docs/source/usingmame/mamemenus.rst
@@ -373,10 +373,15 @@ by output device chains. When editing the **Default** chain, you can restore
the built-in default value for a parameter by pressing the UI Clear key
(Del/Delete/Forward Delete on the keyboard by default).
+By default, the high-pass filter is enabled, with minimal cutoff frequency for
+DC offset removal. All other effects are bypassed (technically, the equalizer
+effect is active too, but all bands are set to 0 dB so it's still turned off).
+
The Audio Effects menu also allows you to configure the algorithm used for audio
sample rate conversion. The default **LoFi** algorithm has modest CPU
-requirements. The **HQ** algorithm provides higher quality sample rate
-conversion at the expense of requiring substantially higher CPU performance.
+requirements. The recommended **HQ** algorithm provides higher quality sample
+rate conversion at the expense of requiring substantially higher CPU
+performance.
The **HQ** algorithm has additional parameters. Increasing the **HQ latency**
can improve quality. If it's increased too much and multiple sound chips are