On Monday 28 November 2005 18:20, Robert Denier wrote: > On Monday 28 November 2005 04:56 pm, Steve Hodge wrote: > > On 11/29/05, Robert Denier <[EMAIL PROTECTED]> wrote: > > > On Monday 28 November 2005 02:08 pm, Nick wrote: > > > > On 25/11/05, Phill Edwards <[EMAIL PROTECTED]> wrote: > > > > > > [snip] > > > > > > > That's because the S/PDIF is outputting a digital stream which the > > > > receiver decodes and is responsible for amplifying. I don't think > > > > it's possible to dynamically adjust a digital audio stream before it > > > > hits the amp. > > > > > > It is always possible to scale numbers and a digital stream is just a > > > stream of numbers. > > > > But there isn't necessarily a direct mapping between the numbers in > > the stream and the volume of the resulting audio. Think AC3 and DTS > > passthrough. > > A quick glance shows that the PCM control _does_ control the audio level of > a CMI9761 when using mplayer to play a realaudio stream, but it doesn't > seem to work in Myth. Perhaps there is the beginning of a solution there > or maybe I just need to set something. > > Obviously, as was stated above, this may be useless if the stream has some > complex encoding and is just being "passed through", but it seems as if it > should be at least possible to control the volume level in myth if the > audio being decoding is just 2 channel stereo PCM audio compressed as > mpeg3. > > -Robert
it must be changing the relative volume levels (dynamic range) and not the absolute level. -- Steve _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
