On Sun, 25 May 2008 16:36:03 +0100, Timothy Murphy wrote: > Tim wrote: > > >> Someone mentioned trying something like "cat foo.ogg > /dev/dsp". > >> In my case, when sound is working this produces a white noise. > >> Is this testing the sound driver > >> (in my case snd_intel8x0 , I assume) directly? > > > > If you catted a raw audio format, rather than a compressed one, to the > > sound device, you ought to hear sound. Hearing garbage isn't really > > going to prove much. > > Thanks for your interest and perseverance. > > I gather that .wav is an uncompressed format (according to > <http://www.webopedia.com/DidYouKnow/Computer_Science/2005/digital_audio_formats.asp>), > but I just hear white noise if I cat this, "Uncompressed" does not imply "not encoded". Even WAV may contain non-PCM encoded data, such as Microsoft ADPCM. It's very unlikely to get more than noise when copying unknown data to a device file like /dev/dsp, which expects raw data in another format. -- Fedora release 8 (Werewolf) - Linux 2.6.23.15-137.fc8 loadavg: 1.19 1.13 1.32 -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
