S/PDIF User bit
I was moving along in a DAC project that used the user bit to get various info (volume, etc.) from a remote. I had the idea that I would strip the user bit further upstream and insert my own data on said bit.
It then occurred to me that I don't know what that bit is used for (other than the non-descript user data). Does anyone know of valuable data to a DAC I would be clobbering? I couldn't find any concrete examples.
I believe that is what the user bit is for Read the Crystal Semiconductor data sheets for the CS8412.
Re: S/PDIF User bit
I have a small connector on my CD, DENON DCD-1500 from 1986. Sub text? Or? This was used for something and I think it was the user bit was involved here. Can anybody fill in?
Despite the fact that the gentleman above is banned, he has a point. Check the datasheets of CS8402/12/04/14 etc, they say something.
Guy et al and peranders, thanks for the replies. I must admit that in doing past projects with the 8414 I never understood what the user bit was used for in existing products. I always supposed that it was used in cd text and other similar features.
I guess I'll be reading for a while... :)
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