Creative SB0350 Programming Manual page 99

6-14 DSP Commands
38h
Output
38h
Remarks
Output MIDI data to the MIDI port in non-UART mode. The proper sequence is:
1. Send command 38h.
2. Send MIDI data.
See Also command 30h, Polling mode MIDI input
Available 1.xx
40h
Output
40h, bTimeConstant
Remarks Set the digitized sound I/O transfer Time Constant.
Time Constant is the sampling rate representation used by the DSP. It is calculated
as:
The channels parameter is 1 for mono, 2 for stereo.
Only the high byte of the result is sent to the DSP.
See Also
command 41h, Set digitized sound output sampling rate
command 42h, Set digitized sound input sampling rate
Available 1.xx
MIDI output
2.00 2.01+ 3.xx
Set digitized sound transfer Time Constant
Time Constant = 65536 - (256 000 000/(channels * sampling rate))
2.00 2.01+ 3.xx
4.xx
4.xx