Dac clock harmonics filtering ? - diyAudio
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Old 7th September 2007, 08:38 PM   #1
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Default Dac clock harmonics filtering ?


I did found that text on the web ;

study of this phenomenon , shows that the clock at 44,1Khz has subcarriers ( harmonics ) that modulate the signal :actually put in words : the whole audio band is duplicated around the carrier 44KHz above and beneath and this continues with every harmonic
It's from http://www.diyparadiso.com/

Is it mean that if we would put a notch filter between the clock and the Dac, there would be less harmonics from the Dac output ?


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Old 7th September 2007, 09:01 PM   #2
poynton is offline poynton  United Kingdom
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I think you have misread the item ........

It is referring to aliasing and anti-alias filters which are in every cd player.

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