Hi Helge, what we actually discuss is more a principle of the driver related to buffer management and in how far this could reduce the latency. But thanks anyway ! -- A l e x -------- Original-Nachricht -------- > Datum: Wed, 11 Jun 2008 18:06:27 +0200 > Von: "Helge Fredriksen" <helgeingvart@xxxxxxxxx> > An: "Clemens Ladisch" <cladisch@xxxxxxxxxxxxxx> > CC: alsa-user@xxxxxxxxxxxxxxxxxxxxx, "Alexander Carôt" <alexander_carot@xxxxxxx> > Betreff: Re: Output latency > Did you try the settings in /etc/security/limits.conf suggested on the > Frinika > front page? (http://frinika.sourceforge.net). I noticed quite some > difference in delay for > Terratec Aureon 5.1 Fun cards using JavaSound. > > Helge F. > > On Wed, Jun 11, 2008 at 10:11 AM, Clemens Ladisch > <cladisch@xxxxxxxxxxxxxx> > wrote: > > > Alexander Carôt wrote: > > > 3.) Rather than using a double buffer for the playout wouldn't it be > > > possible to choose only one physical playout buffer and parse the > > > captured data in right at the interrupt. > > > > It's unlikely that any code could be fast enough to write the entire > > buffer before the hardware starts reading from the buffer; in fact, the > > hardware is likely to read the first sample from the buffer at the same > > time it is triggering the interrupt for the previous period. > > > > To reduce output latency, just reduce the output buffer size. For > > example, you could use a buffer with 128 samples (with 2 64-sample > > periods). > > > > > > HTH > > Clemens > > > > > ------------------------------------------------------------------------- > > Check out the new SourceForge.net Marketplace. > > It's the best place to buy or sell services for > > just about anything Open Source. > > http://sourceforge.net/services/buy/index.php > > _______________________________________________ > > Alsa-user mailing list > > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > > https://lists.sourceforge.net/lists/listinfo/alsa-user > > -- Dipl.-Ing. Alexander Carôt PhD Candidate Email : Alexander@xxxxxxxx Tel.: +49 (0)177 5719797 Ist Ihr Browser Vista-kompatibel? Jetzt die neuesten Browser-Versionen downloaden: http://www.gmx.net/de/go/browser ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
