Viewing Issue Advanced Details
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 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 > (although soundcloud appears to have compressed the waveform slightly)
Github Commit
Regression Version
Affected Sets / Systems fantjour, gokuparo
Attached Files
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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.