Tim wrote: >The purists might disagree, but it has been my experience that the >Windows sample rate converter is pretty good for most purposes. How are >you detecting the noise at 4 kHz? Are you injecting a pure signal and >doing a spectrum analysis on the result? While the render sampling rate converter in Windows 7 is very good, the capture converter is a different matter entirely. It has conversion artefacts at about -65dB on a pure tone. I first noticed this back when Vista was released and tried reporting it a couple of times but got nowhere, and the problem has persisted into Windows 7. Jeff ****************** 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/