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In Reply to: Exactly right. Besides we're talking about audibilty... posted by meisterkleef on September 15, 2005 at 08:26:56:
'so too are PCM noise-shaping artifacts'There is no such thing as 'PCM noise shaping artifacts' those are just plain noise shaping artifacts.
24 bits PCM at 48ks or higher doesn't require noise shaping at all.
Just plain old dither would be sufficient and probably the best option to use with 48ks. Higher sampling rates give the option to move the noise spectrum higher up the inaudible frequency range and use a less agressive noise shaping algorithm.Noise shaping is only a trick to enhance the perceived resolution on delivery formats with lower resolution.
Frank
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Follow Ups
- Another slight correction.. - Frank.. 11:07:28 09/15/05 (1)
- Thanks! I differentiated because PCM is filtered above passband. (NT) - meisterkleef 13:11:17 09/15/05 (0)
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