Over last summer I hoarded little 5" TVs which I bought from car boot sales (you can pick them up for one or two pounds). I have used one of these to make a CRT NBTV monitor (more on that another time).
One of the TVs had a CD player built into it. Or so I thought - the CD player was detachable and docked with the telly. More interestingly, this CD player is based on the Samsung chip set which makes audio available internally as a serial digital data stream (I2S format)!
Since that discovery I have been thinking about getting a PIC to deserialise the left channel data in one of two ways:
1. A 2xOversample mode in which each left channel sample holds two 8 bit video samples so that replay can be at the higher rate of 88.2kHz - adequate for 60 lines.
2. A 'high colour 16' mode which produces RGB by chopping the bits up in the ratio 5:6:5 (green getting the extra bit)
I just wondered if these were any kind of standard in NBTV work? It would be nice to think I don't have to produce a load of data preparation software again.