On Sat, Jun 17, 2017 at 08:50:11PM +0100, Ken Moffat wrote:
> On Sat, Jun 17, 2017 at 02:23:45PM -0500, Bruce Dubbs wrote:
> > Paul Rogers wrote:
> > >
> > > But it turns up another question. I have an old .au file of Linus
> > > saying, "This is {Leenus}..." and something else uniuntelligible, in
> > > Finnish? I've used that as a sound check. aplay has no problem on this
> > > Conroe/G43 chipset box. But a "format non[sic] available" error on the
> > > i7/X58 chipset. Trying to find out why, I ran into "plugins" in
> > > asoundrc, which were very mysterious, but also a suggestion that these
> > > old 8000hz mu-law sources might not be usable on some devices. So I
> > > don't know how much of this is done in software and what's in hardware.
> > > What is it I should know, or where can I find an understandable
> > > explanation?
> >
> > I think you need libsndfile for the au format.
> >
> Hmm, alsa used to be able to play that file (it's in Swedish) but
> none of my recent machines have been able to play 8KHz sound files -
> I think it's a hardware limitation.
>
> When I'm on a machine with working sound (not my main development
> machine, I'll need to bisect at some point to find where that lost
> sound) I'll try to remember to rebuild alsa after libsndfile.
>
Well, I still don't have audible output on my haswell (I haven't
looked at that problem yet, it's too busy being used for other
things), but it appears to play the au files (described as Sparc
Audio, 9000 Hz, Mono) without difficulty.
I can remember seeing errors reported by aplay, but the only
certainty is that happened on my old AMD A4 Turion, and my
original AMD A10 Kaveri. Both are now pushing up the daisies.
My current desktop machines, in their latest builds, all play those
files without reporting errors. One less thing to worry about :)
ĸen
--
I live in a city. I know sparrows from starlings. After that
everything is a duck as far as I'm concerned. -- Monstrous Regiment
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