04533: viprp1: Title Screen SFX and item collection SFX are incorrect

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
04533	Sound	Minor	Always	Nov 18, 2011, 01:18	Dec 24, 2020, 18:07

Tester	retrorepair	View Status	Public	Platform	MAME (Official Binary)
Assigned To		Resolution	Open	OS	Windows Vista/7 (64-bit)
Status [?]	Confirmed			Driver	seibu/seibuspi.cpp
Version	0.144	Fixed in Version		Build	Normal
		Fixed in Git Commit		Github Pull Request #

Summary	04533: viprp1: Title Screen SFX and item collection SFX are incorrect
Description	The sound effect that "pings" when the game logo comes together from the top and bottom of the screen and when the "1" appears on the title screen is incorrect. The same sound occurs ingame when you collect an item. Check this video (only one I can find for reference) at 30 second in for how it shoud sound (turn your speakers up): I do recall hearing the same oddity in Raiden Fighters but I cannot find it to reproduce it now.
Steps To Reproduce
Additional Information	It's clear the sound is created currectly by the synth however it strikes me that it should be a sample. The synth may call the sample, it may not but the current sound none the less is incorrect.
Github Commit

Flags	Verified with Original
Regression Version
Affected Sets / Systems	viprp1

Attached Files	Viper Phase 1 01.mp3 (320,441 bytes) Nov 18, 2011, 02:45 Uploaded by Fujix Viper Phase I, PCB recording
	Viper Phase 1 02.mp3 (3,563,649 bytes) Nov 18, 2011, 02:46 Uploaded by Fujix Viper Phase I, PCB recording
	Viper Phase 1 03.mp3 (1,645,225 bytes) Nov 18, 2011, 02:46 Uploaded by Fujix Viper Phase I, PCB recording
	Viper Phase 1 04.mp3 (240,558 bytes) Nov 18, 2011, 02:47 Uploaded by Fujix Viper Phase I, PCB recording
	Viper Phase 1 05.mp3 (3,220,583 bytes) Nov 18, 2011, 02:47 Uploaded by Fujix Viper Phase I, PCB recording

No.07887 Tafoid Administrator Nov 18, 2011, 02:08	All games using YM271-F and YMZ280 audio are clearly labeled in MAME as not having perfect sound and you should be seeing a yellow or red warning screen when you type OK. Such games with a flag the developers do not normally want nor accept bug reports for, as they are already quite aware that the sound cores in these games are not 100% accurate. However, in order to take this as a report, we are allowed to take original documentation, which you are attempting here. This is obviously NOT your recording, but you likely have a PCB of your own? Frankly, the audio quality here is terrible and while I can make out the issue, it doesn't serve as an adequate reference to be accepted. We need a directly recording line-in from the PCB to best give the developers a decent reference as to volume/pitch and balance.
No.07888 retrorepair Tester Nov 18, 2011, 02:33	Understood. I was hesitant to even submit this but having spoken to a dev who told me I should, I did. I have sold my own board but I do know someone who owns it, I will try my best to get a recording from him and post that. It is a pretty awful reference. I did try to take a look at the PCM rom file to see if I can pull the sample out of that but it's either encrypted or encoded. I'll post if I can find a better reference and thanks for the advice.
No.07889 Fujix Administrator Nov 18, 2011, 02:52 edited on: Nov 18, 2011, 03:29	I uploaded some BGM mp3s my friend recorded directly from a Viper Phase I PCB. They may help the future development of the YMF271 chip. They were recorded in 2003, and not from the Sound Track CD released in 2005.
No.07890 retrorepair Tester Nov 18, 2011, 04:26 edited on: Nov 18, 2011, 05:01	Here is a sample from the superplay of the PCB: http://www.inhgroup.com/image/item/viper/viper_sample03.wmv And here is direct footage taken from the PCB at power on: http://www.super-play.co.uk/file.php/623/Alamone_ViperPhase1_NVtoStage5.avi (I tried to upload it but it's 85mb and my efforts to edit it down failed). That should be all that's needed, along with the MP3s above.
No.07891 Haze Senior Tester Nov 18, 2011, 05:57 edited on: Nov 18, 2011, 05:57	I asked him to report it, given the original reference and clear difference. I know the quality wasn't the best, but sometimes it's all the proof somebody needs to actually make improvements ;-)
No.18285 retrorepair Tester Dec 24, 2020, 18:07 edited on: Dec 26, 2020, 12:30	Almost 10 year bump :) **moderator says: please don't do that unless you have new information to add