Re: PC sound cards (Pallier Christophe )

Subject: Re: PC sound cards
From:    Pallier Christophe  <pallier(at)LSCP.EHESS.FR>
Date:    Thu, 30 Jan 2003 09:59:39 +0100
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On Thu, 30 Jan 2003, David Isherwood wrote: > The main problem with such soundcards is that ALL internal processing > is done at a sampling rate of 48kHz, which means that any audio stream > having a different sampling rate than this must be upsampled at the i/p > buss and downsampled at the o/p. The quality of this onboard sample rate > conversion can vary greatly from card to card with some soundcards > producing very noticeable artifacts. > Am I correct in believing that this implies that I should better work with sampling rates that are integer dividers of 48 Khz (e.g. 16 Khz rather than, say, 22050 Hz)? I hope all sample rate conversion algorithms should be able to correctly oversample by an integer (?) Christophe Pallier

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