Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
07773 Sound Minor Always Oct 20, 2020, 18:25 Oct 23, 2020, 17:19
Tester Osso View Status Public Platform MAME (Official Binary)
Assigned To Resolution Open OS Windows 10 (64-bit)
Status [?] Confirmed Driver tiamc1.cpp
Version 0.225 Fixed in Version Build 64-bit
Summary 07773: kot: sound is corrupted
Description Just after launch a continuous whining noise is played.
Steps To Reproduce Just launch the romset
Additional Information First reported by M.A.S.H. on Github.
https://github.com/mamedev/mame/commit/009a5d3d07224a1de30931d1cf89de06d1f23598#commitcomment-43389999
Flags
Regression Version 0.225
Affected Sets / Systems kot
Attached Files
 
Relationships
There are no relationship linked to this issue.
Notes
3
User avatar
No.18072
Tafoid
Administrator
Oct 20, 2020, 19:03
Specifically, This commit seems to be the cause in my daily binary checking, September 14, 2020:
https://github.com/mamedev/mame/commit/c1bd56f0d318c71faac757d89c910c2682af6651
User avatar
No.18074
hap
Developer
Oct 22, 2020, 10:01
kot uses SPEAKER_SOUND (sound/spkrdev.*)
Possibly related: lchicken (hh_cop400 driver, also uses SPEAKER_SOUND) has a high pitched whine too, as if the filtering isn't working correctly anymore.
User avatar
No.18076
aaron
Developer
Oct 23, 2020, 17:19
I'm looking into this, the speaker device seems to have some subtle timing dependencies that got off by a bit with the update.