Hi,
I'm reverse engineering the SY series wave card format for a little project I'm working on. I managed to correctly parse the waveforms, sample zones, and most information about the individual sample zones, like the original key, start and end points, loop points.
One thing I can't find in the data is the range of the sample zones (for the waveforms that are multi sampled, such as the piano). For example, suppose zone 1 was sampled at C3 and zone 2 was sampled at C4. What zone does the TG77 pick if you play a F#3? Zone 1 or 2? I expected to find that information on the wave card itself, but it doesn't seem to be there?
Then I thought maybe it's not data but decided through some heuristic. Like: pick the zone sample at the note that's closest to the note you play. Or: pick the zone that causes a pitch up, and never a pitch down. But there seems to be no rhyme or reason to it. Judging by ear... some zones start before the original key, some start exactly on the original key.
Is there anyone who could shed some light on this? I noticed some people on this forum have made SY related tools so I hope someone knows the answer.
I'm reverse engineering the SY series wave card format for a little project I'm working on. I managed to correctly parse the waveforms, sample zones, and most information about the individual sample zones, like the original key, start and end points, loop points.
One thing I can't find in the data is the range of the sample zones (for the waveforms that are multi sampled, such as the piano). For example, suppose zone 1 was sampled at C3 and zone 2 was sampled at C4. What zone does the TG77 pick if you play a F#3? Zone 1 or 2? I expected to find that information on the wave card itself, but it doesn't seem to be there?
Then I thought maybe it's not data but decided through some heuristic. Like: pick the zone sample at the note that's closest to the note you play. Or: pick the zone that causes a pitch up, and never a pitch down. But there seems to be no rhyme or reason to it. Judging by ear... some zones start before the original key, some start exactly on the original key.
Is there anyone who could shed some light on this? I noticed some people on this forum have made SY related tools so I hope someone knows the answer.
Statistics: Posted by sheaf — Thu Dec 14, 2023 5:29 pm