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Article: Jitter Performance of S/PDIF Digital Interface Tranceivers


WoodsDweller
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article in PDF format, 12 pages

 

I haven't read the whole article, yet, but there are some interesting bits.

 

IEC-60958-3/4 and AES3 specify a range of timing parameters, including timing accuracy,

intrinsic jitter, jitter tolerance, jitter transfer, phase offset and phase tolerance. While it is likely

that the majority of commercially available S/PDIF transceivers will meet the necessary

standards, it has been found by experimentation that merely meeting standards is not

necessarily enough to guarantee overall system performance and stability.

 

The effect of jitter in digital audio systems is to reduce the resolution of the audio converter, raising

the noise floor significantly. Audibly, this can mean the output signal is much less clean than

the original analogue signal, which results in a fuzzy, flat sound.

 

Eeek! Squiggly lines on graph paper!

 

Our products are great.

 

I'll have to finish this one tomorrow.

 

 

 

16/44.1 source material, ripped via EAC to WAV. Linux (Fedora 10) machine -> USB -> Headroom Desktop Headphone Amp (Max DAC, Max module) -> Sennheiser HD650

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