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MT-32 vs CM-32L
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LordHoto
ScummVM Developer


Joined: 30 Oct 2005
Posts: 1030
Location: Germany
 

I gave this a try with my real MT-32 device. I get the chirping sound with ScummVM. I also get the chirping sound using MT-32 ROMs with ScummVM's Munt version without [md5]'s changes.

I suspect the guy recording the first video did not configure ScummVM properly for MT-32 output. If you use a MT-32 hardware unit, you have to check "True Roland MT-32 (disable GM emulation)" in the "MT-32" tab.
The built-in MT-32 emulator also works just fine by selecting it in the "Audio" tab under "Preferred Device". There is no need to check the checkbox in this case (it does not hurt, thus I suggest to check it anyway).

If you listen closely, in the first guy's video you can hear odd "bell" like sounds when the birds are supposed to be chirping. Additionally, some other instruments just sound different compared to the other video. That is usually clearly a sign of misconfiguration.

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Post Mon Dec 28, 2015 4:23 am 
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md5
ScummVM Developer


Joined: 03 Nov 2005
Posts: 2256
Location: Athens, Greece
 

Update: I've added code to match CM-32L ROMs by their name as well

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Post Mon Dec 28, 2015 10:11 am 
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JohnnyW



Joined: 21 Sep 2014
Posts: 17
 

quote:
Originally posted by LordHoto
I also get the chirping sound using MT-32 ROMs with ScummVM's Munt version without [md5]'s changes.


Yes you're absolutely right about that. Dang. I guess we need another indicator to test. Apparently Fate of Atlantis and DOTT were both optimized for CM-32Ls... but how to find a sound that's unique to them.
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Post Wed Jan 13, 2016 10:03 pm 
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JohnnyW



Joined: 21 Sep 2014
Posts: 17
 

quote:
Originally posted by md5
Update: I've added code to match CM-32L ROMs by their name as well


Wonderful stuff!! Thanks for adding all of this, MD5.
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Post Wed Jan 13, 2016 10:04 pm 
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xadox



Joined: 25 Jan 2007
Posts: 27
Location: GERMANY
 

Great news.
I am still not 100% sure what options have to be set you use proper MT-32 Emulation in DOTT eg.?

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Post Thu Jan 21, 2016 11:11 am 
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