Schematic of AES/EBU

ralf · 8th January 2003, 01:00 PM

is there or has anyone a schematic how to make of my digital output in cd player an additional AES/EBU output?

thanks,

Ralf

Sparhawk · 8th January 2003, 01:52 PM

This link might be useful:

http://www.epanorama.net/documents/audio/spdif.html

Look under "converting between AES/EBU and S/PDIF interfaces".

dhaen · 8th January 2003, 05:39 PM

There are 2 main differences:

1)
SPDIF is unbalanced and can be 0.5v to 5v.
AES/EBU is balanced 5v.

2)
The signal pathology is different:
There are extra check and flag bits in AES/EBU.

No. 1 must be fixed, and the link does give some info, but you might have to intercept the SPDIF signal before it is attenuated before the RCA socket.
No. 2 does not have to be fixed normally. Most DAC's don't mind, though any that give status indications such as bit-rate, might show an error.

Cheers,

8th January 2003, 01:00 PM	#1
ralf diyAudio Member Join Date: Dec 2001 Location: Germany	Schematic of AES/EBU is there or has anyone a schematic how to make of my digital output in cd player an additional AES/EBU output? thanks, Ralf

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8th January 2003, 01:52 PM	#2
Sparhawk diyAudio Member Join Date: Sep 2002 Location: Ontario, Canada	This link might be useful: http://www.epanorama.net/documents/audio/spdif.html Look under "converting between AES/EBU and S/PDIF interfaces".

8th January 2003, 05:39 PM	#3
dhaen diyAudio Moderator Emeritus Join Date: Jun 2002 Location: U.K.	There are 2 main differences: 1) SPDIF is unbalanced and can be 0.5v to 5v. AES/EBU is balanced 5v. 2) The signal pathology is different: There are extra check and flag bits in AES/EBU. No. 1 must be fixed, and the link does give some info, but you might have to intercept the SPDIF signal before it is attenuated before the RCA socket. No. 2 does not have to be fixed normally. Most DAC's don't mind, though any that give status indications such as bit-rate, might show an error. Cheers,