"William R. Zwicky" <[EMAIL PROTECTED]> writes: > Dominique Dumont wrote: >> I have a problem when playing dolby digital streams encoded at >> 640kbps. This problem occurs with mplayer or 'ac3dec -C'. When playing >> 640 kbps stream, I hear spikes (or short scratchy sounds) 4 or 5 times >> per seconds on all channels. These spikes do not occur on silent >> moment, only on loud moment or musical moments. >> > That sounds like clipping. Try turning down the volume at the source > (i.e. reduce the volume before encoding the Dolby stream.) If that > works, you'll need to experiment to find out which stage of your system > is clipping.
I do not re-encode the AC3 streams: they are sent directly on the SPDIF output. And the AC3 streams are clean: there's no spikes using the analog output of the computer. -- Dominique Dumont "Delivering successful solutions requires giving people what they need, not what they want." Kurt Bittner ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user