Home Digital Drive

Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

Oh really?

I thought the upsampler stopband was still dependent on the input sample rate. Nevermind then. So on something like the CS8420 where they spec the bandwidth as .4535 * input sample rate and stopband attenuation as 110 dB, they are saying that if I play a CD and have my CS8420 output clock set for a 88.2K sample rate, the bandwidth extends to 20K and the stopband attenuation slope would be about 110db /octave instead of a brickwall? Seems like everyone would jump on upsampling if it was so clearly superior from even simple technical specs. Hmmmmm ...

Thanks for the info, Ted.


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  • Oh really? - Slider 13:15:21 08/19/06 (1)
    • Yep - Ted Smith 15:23:17 08/19/06 (0)


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