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Single wire vs double wire with 82xx/72xx

baguette, modified 13 Years ago.

Single wire vs double wire with 82xx/72xx

Youngling Posts: 7 Join Date: 6/24/09 Recent Posts
Hi there,

I was wondering whether there are any real-world advantages to using double wire AES instead of single wire with the 82xx/72xx system when the source audio is predominantly 44.1 kHz (or 48 kHz)?

And does it have an effect at the AutoCal calibration stage?

Cheers,

Christian
ilkka-rissanen, modified 13 Years ago.

Re: Single wire vs double wire with 82xx/72xx

Yoda Posts: 2564 Join Date: 3/23/09 Recent Posts
Dual-wire AES/EBU was invented when the AES/EBU driver chips were too slow to drive the AES/EBU data at sufficiently high clock rate. This is no longer the case. Dual-wire AES/EBU offers no advantage in terms of audio quality compared to single-wire AES/EBU. It is worth noting that dual-wire is only needed for dual-speed or quad-speed AES/EBU data (sample rates 96 kHz and 192 kHz). Dual-wire is not needed for single-speed (44.1 or 48 kHz). In fact, dual-wire cannot be used for single-speed AES/EBU audio data. The AES/EBU audio cabling scheme (single- or dual-wire) does not have any effect on AutoCal calibration process.

GENELEC
Aki Mäkivirta
R&D Manager, DSP Products
baguette, modified 13 Years ago.

Re: Single wire vs double wire with 82xx/72xx

Youngling Posts: 7 Join Date: 6/24/09 Recent Posts
Excellent. Thank you!

Cheers,

Christian