This thread reminded me to try the ASIO out again. I had been experiencing
pops & crackles with my Revo 7.1. Following all sugestions above, I still have them, and Wave out sounds much better.
ASIO debug reports:
Device: M-Audio Revo ASIO (0 channel shift)
Buffer type: 18 (512 channels)
Output format: 48000khz - 2 channels
Post Output Ready: 1
Media Center Registered 10.0.144 -- C:\Program Files\J River\Media Center\
Microsoft Windows 2000 Workstation 5.0 Service Pack 4 (Build 2195)
Intel Pentium 4 2392 MHz MMX / Memory: Total - 523 MB, Free - 298 MB
Internet Explorer: 6.0.2800.1106 / ComCtl32.dll: 5.81 / Shlwapi.dll: 6.00.2800.1400 / Shell32.dll: 5.00.3700.6705 / wnaspi32.dll: N/A
Ripping / Drive D: PLEXTOR DVDR PX-504A Mode:ModeSecure Type:Auto Speed:1
Digital playback: Yes / Use YADB: Yes / Get cover art: Yes / Calc replay gain: Yes / Copy volume: 32767
Eject after ripping: No / Play sound after ripping: No
Burning / Drive D: PLEXTOR DVDR PX-504A Addr: 1:1:0 Speed:4 MaxSpeed:16 BurnProof:Yes
Test mode: No / Eject after writing: Yes / Direct decoding: No / Write CD-Text: No
Use playback settings: Yes / Normalization: None