06579: fantjour, gokuparo: Slightly distorted/scratchy sound/artifacts

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
06579	Sound	Minor	Always	May 12, 2017, 08:48	Nov 5, 2018, 18:40

Tester	EoceneMiacid	View Status	Public	Platform	MAME (Self-compiled)
Assigned To	ctr	Resolution	Fixed	OS	Linux (64-bit)
Status [?]	Resolved			Driver	konami/konamigx.cpp
Version	0.185	Fixed in Version	0.201	Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	06579: fantjour, gokuparo: Slightly distorted/scratchy sound/artifacts
Description	I have my system hooked up to a reasonably high end sound system with HDMI, providing crystal clear sound. Fantjour/gokuparo sounds noticeably bad, especially if many samples are played at once. There are also artifacts whenever screen elements fade in on out (like the title logo) I usually use portaudio for sound output with a latency of 2, but using default SDL audio and increased latency doesn't make a difference.
Steps To Reproduce	Play the game and listen to the audio
Additional Information	I have recorded the intro and demo that demonstrate the issue. You can see loud spikes in the waveform whenever artifacts occur. You can listen to it here > https://soundcloud.com/ralf-van-bogaert/gokuparo (although soundcloud appears to have compressed the waveform slightly)
Github Commit

Flags
Regression Version
Affected Sets / Systems	fantjour, gokuparo

Attached Files

No.15736 hap Developer Nov 4, 2018, 15:23 edited on: Nov 5, 2018, 18:39	It seems to be fixed? If I had to guess, it's one of superctr's updates to TMS57002. edit indeed, fixed August 18 2018, superctr improved Taito ZSG2 and TMS57002 at this time.