Re: [gentoo-user] Re: Phonon + PulseAudio Problem

[Volker Armin Hemmann]

On Samstag 22 Mai 2010, Barry Jibb wrote:
> On 22/05/10 21:26, Canek Peláez Valdés wrote:
> > On Sat, May 22, 2010 at 1:02 PM, Nikos Chantziaras<realnc@×××××.de>
> > wrote: [snip]
> >
> >> I don't do professional audio.  I have a normal PC.  And just like I
> >> sometimes use a synth in Windows (I'm just a hobbyist), I'd like to do
> >> the same in Linux.
> >
> > You can; but you have to use special software, because yours is a
> > special case. The normal desktop/laptop user does not use a synth.
> >
> >> ALSA/Pulse needing third-party stuff just to get basics right
> >> (acceptable latency; not *ultra* low latency, just acceptable one) is a
> >> sign that they're not designed right.
> >
> > Your definition of "acceptable" is *ultra* low to me, and many others.
> > To me acceptable latency means that the audio system does not waste my
> > laptop/phone battery.
> >
> >> And in the end, you know what?  Even if OSS4 had a broken design, it's
> >> still better, because it works better.
> >
> > This is your principal problem: you think your use-case is universal,
> > and it's not. To me Alsa+PulseAudio works better because it allows the
> > battery of my laptop to last for hours while I see a movie with my
> > bluetooth headset. With the latencies you want, that's not possible. I
> > believe my use-case is more general.
> >
> >>   At least it gets the basics right.  Other
> >>
> >> operating systems are much more advanced in that manner. It's ALSA that
> >> holds Linux audio back.
> >
> > Jack uses ALSA. From the Jack FAQ page (http://jackaudio.org/faq):
> >
> > <quote>
> > Doesn't use JACK add latency?
> >
> > There is NO extra latency caused by using JACK for audio input and
> > output. When we say none, we mean absolutely zero. The only impact of
> > using JACK is a slight increase in the amount of work done by the CPU
> > to process a given chunk of audio, which means that in theory you
> > could not get 100% of the processing power that you might get it if
> > your application(s) used ALSA or CoreAudio directly. However, given
> > that the difference is less than 1%, and that your system will be
> > unstable before you get close to 80% of the theoretical processing
> > power, the effect is completely disregardable.
> > </quote>
> >
> > ALSA works great. And for regular users, with PulseAudio both are full
> > of awesome awesomeness. For your use-case, you should try Jack.
> >
> > Regards.
>
> Can someone unsubscribe me please?!?!?!?!?!?

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