Hello Evert, > I agree with you that 64 samples is probably the best latency you can > achieve with audio devices and PCI hardware is the most likely candidate to > achieve it with. I'm wondering why Windows audio is SO slow. 1 GHz Pentium processor performs near a billion of instructions during one millisecond. Due to memory, let's say it will be 700 thousands. WHAT could Windows kernel routines do to spend so much time? Regards, Eugene ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/