Computer Audio Asylum

Music servers and other computer based digital audio technologies.

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Original Message

Those clowns are responsible for a lot of horrible sound

Posted by Charles Hansen on June 12, 2011 at 19:09:13:
On the one hand TI is the only chip company to make an all-in-one USB data decoder that requires no programming. On the other hand those guys are complete morons when it comes to clocks, clock recovery, jitter, or anything like that.

TI has tried *three times* to make an S/PDIF reciever chip. The first was so horrible that it never made it to market. The second two both relied on the "SPACT" technology mentioned in the linked article. That technology is so bad that both S/PDIF receivers using it were discontinued. I think the first one was so bad that it was actually recalled...

Then they had a group that made the (programmable) TAS1020B USB receiver chip. That one worked really well, assuming you had a really smart programmer to write code for it.

The bottom line is that the writer does NOT know his stuff when it comes to clocks and jitter. Otherwise it wouldn't have taken years to get that chip to market and it would have worked far better than it does (~5000 psec of jitter).