Horrible noises can be heard when changing Alist Processing Mode

[NeTo]

Name: NeTo
Date: 2003-10-18
1964 Version (from the 1964 Window's Title Bar): 2003-10-06
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Describe the Problem: While in game (some games), when switching from "Proccess Alist in RSP Plugin" and "Send Alist to plugin" and viceversa, some strange very high pitch can be heard.

How to Make this Problem Happen: Try games like Top Gear Rally, Paper Mario, especailly if they don't work properly (in alist processing) with one of the plugins (RSP or Schibo's Audio).

How Often Does this Problem Happen? [Rarely; Sometimes; Often; Always]: Sometimes

Rate the Problem [Not Serious; A Minor Distraction; Annoying; Urgent]: Annoying

 

[URAMetroid]

I can confirm this, when switching RSP audio emulation off, you will get 100% static sound, until the game updates the sound (e.g., sound FX's or pausing the game).
This only happens to me when I turn off RSP sound emulation in the middel of a game.