libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2025-01-26 12:48:16 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

- Cleanup. Still waiting for a real MT-32 to check PCM tuning.

Browse Source 
svn-id: r15931
This commit is contained in:
Jerome Fisher 2004-11-28 06:03:23 +00:00
parent 39817f91b3
commit 2149e0fc78
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
backends/midi/mt32/synth.cpp
View File

@ -314,8 +314,8 @@ void Synth::initPCMList() {
Bit8u rFlag = tps[i].len & 0x0F;
Bit16u rTuneOffset = (tps[i].pitchMSB << 8) | tps[i].pitchLSB;
//FIXME:KG: Pick a number, any number. The one below sounded best to me in listening tests, but needs to be confirmed.
double STANDARDFREQ = 261.6255653005986346778499935233; // A below Middle C of 440Hz
float rTune = (float)(STANDARDFREQ * pow(2.0, (0x5000 - rTuneOffset) / 4096.0));
double STANDARDFREQ = 440.0;
float rTune = (float)(STANDARDFREQ * pow(2.0, (0x5000 - rTuneOffset) / 4096.0 - 9.0 / 12.0));
//printDebug("%f,%d,%d", pTune, tps[i].pitchCoarse, tps[i].pitchFine);
PCMList[i].addr = rAddr;
PCMList[i].len = rLen;