On Mon, Sep 12, 2005 at 08:33:43AM +0200, Edgar Toernig wrote: > Hamish Moffatt wrote: > > With regard to > > double the bit rate, for what resolution? Admittedly I don't know the > > format of the analog video data on the bus, but for a resolution of say > > 320x240 at 24 bit, that's only 1.8Mbit/sec. 3.6Mbit/sec if it's 48 bit > > (16-bit per YUV?). > > That's not per second but per field. Multiply it by at least 25/30 (or > is it still 50/60?) to get the real bandwidth/second. A full RGB PAL > overlay requires 768*576*32*25 = 354Mbit/sec. I knew I forgot something! > > Compare that to up to 20Mbit/sec of MPEG2 data *on the audio path*. > Yeah, 20 is peanuts, isn't it ;-) But it's a lot higher than analog audio (1-2Mbit/sec). Hamish -- Hamish Moffatt VK3SB <hamish@xxxxxxxxxx> <hamish@xxxxxxxxxxxx>
