I am unable to make Windows XP produce any noticable aliasing. If YouTube (via the Adobe FLASH player, yes?) is using WaveOut, is it possible to configure it to use Directsound instead? There is some prior discussion of this issue at this blog: Īccording to a user there, the problem occurs if the application uses the WaveOut API. Toshiba NB300 netbook, Windows 7 Starter. (i.e, Windows only allows the bit depth & channels to be changed - not the I have tried this test with both the internal audio interface, and a high quality USB audio interface, with the same result.įor the internal audio interface, I change the sample rate (and format) via the Advanced properties of the Playback device.įor the external interface, which has it's own control panel, I set the sample rate in that control panel, and then in the Windows playback properties I can only change the format. If I change my audio interface to 44.1kHz, the aliasing goes away (and the sound is very pure) On Windows 7, if the sample rate of the audio interface is set to a different rate to that of the audio in the YouTube clip, artifacts may be audible.įor example, if the audio interface is set to a sample rate of 48kHz, and the following test tone clip is played, I hear aliasing: Nevertheless, I think/hope that the problem I am experiencing is relevant to this forum. I am not developing anything, so I apologise for this off topic post.
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