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Junior Varsity
Uli Behringer of The Music Group Q&A
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<blockquote data-quote="Michael John" data-source="post: 59537" data-attributes="member: 830"><p>Re: Uli Behringer of The Music Group Q&A</p><p></p><p></p><p></p><p>In terms of the limits of human hearing, I would tend to agree....</p><p></p><p>However there are advantages to using 96 kHz... including:</p><p>- More controlled A/D and D/A conversion. The analog anti aliasing filters can be more gentle with less phase change near 20 kHz.</p><p>- Digital filtering approaching 20 kHz is easier in that Nyquist is up at 48 kHz (not 24 kHz for 48 kHz sampling.)</p><p>- Compressors/limiters benefit from the higher sample rate in their control paths.</p><p>- Lower latency. DSP's are more efficient when executing instructions in blocks of samples. Longer blocks have less % overhead in function calls and allow for more interleaving of instructions - reducing pipeline stalls. They get higher effective instructions per clock cycle. <16 sample blocks are very inefficient. 32 sample blocks work better. 32 samples at 96 kHz is half the latency of 32 samples at 48 kHz.</p><p></p><p>Cheers,</p><p>Michael</p></blockquote><p></p>
[QUOTE="Michael John, post: 59537, member: 830"] Re: Uli Behringer of The Music Group Q&A In terms of the limits of human hearing, I would tend to agree.... However there are advantages to using 96 kHz... including: - More controlled A/D and D/A conversion. The analog anti aliasing filters can be more gentle with less phase change near 20 kHz. - Digital filtering approaching 20 kHz is easier in that Nyquist is up at 48 kHz (not 24 kHz for 48 kHz sampling.) - Compressors/limiters benefit from the higher sample rate in their control paths. - Lower latency. DSP's are more efficient when executing instructions in blocks of samples. Longer blocks have less % overhead in function calls and allow for more interleaving of instructions - reducing pipeline stalls. They get higher effective instructions per clock cycle. <16 sample blocks are very inefficient. 32 sample blocks work better. 32 samples at 96 kHz is half the latency of 32 samples at 48 kHz. Cheers, Michael [/QUOTE]
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Uli Behringer of The Music Group Q&A
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