Hi all
I finished building a DIR9001/TDA1543A Dac for my TV, and came to realize I cannot switch the output format from 5.1 to 2 channel for my DAC. In some quick research, I came across the WM8746 6-channel DAC. Does anybody have any experience with this IC, and if so, by reading through the manual, it seems rather straight forward!
Any inputs would be really great, as I would simply need to convert the 5.1 digital from my TOSLINK to 5 seperate channels, of which I would only take 2, for stereo. (My receiver is quite old and only uses two channels, and has no digital inputs....the reason for this project.....)
Thanks in advance!!
Ken
I finished building a DIR9001/TDA1543A Dac for my TV, and came to realize I cannot switch the output format from 5.1 to 2 channel for my DAC. In some quick research, I came across the WM8746 6-channel DAC. Does anybody have any experience with this IC, and if so, by reading through the manual, it seems rather straight forward!
Any inputs would be really great, as I would simply need to convert the 5.1 digital from my TOSLINK to 5 seperate channels, of which I would only take 2, for stereo. (My receiver is quite old and only uses two channels, and has no digital inputs....the reason for this project.....)
Thanks in advance!!
Ken
Read through the spec sheet again, and it has 3 digital inputs, so I'm guessing it isn't able to decode the 5.1 into separate channels. any ideas of confirmation?
DACs | WM8746 | Wolfson Microelectronics
Ken
DACs | WM8746 | Wolfson Microelectronics
Ken
Over a S/PDIF connection (copper or optical) you cannot send more that 2 uncompressed audio channels (PCM). There is not enough bandwidth.
In order to "cram" 5.1 channels you need some software compression scheme like DolbyDigital or DTS - are the facto standards for the existing receivers.
There are products that decode those signals, but those are hard to use by DYI. Example:
http://www.cirrus.com/en/products/cs495xx_family.html
In order to "cram" 5.1 channels you need some software compression scheme like DolbyDigital or DTS - are the facto standards for the existing receivers.
There are products that decode those signals, but those are hard to use by DYI. Example:
http://www.cirrus.com/en/products/cs495xx_family.html
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There are products that decode those signals, but those are hard to use by DYI.
or ST Micro STA310 ($12 @ digikey) ??
Likely still not easy to DIY. Though I've in the past been tempted to buy and crack open one of these:
Gefen, LLC - GefenTV Digital Audio Decoder
Then I realized it's just TV (that I don't watch much) and there isn't any programming where I'd care about sound quality.
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