Re: Playing WAV files correctly

Jim Lesurf <[email protected]> Sun, 23 Jan 2011 09:11:17 +0000 (GMT)
Newsgroups gmane.comp.desktop.rox.user
Message-ID <[email protected]>
I've had an off-list email about this asking for more info/details for the
list. So I can add the following.

Older USB 'sound devices' did tend to be limited to 48k/14bit. But the
newer 'asynchronous' USB devices *do* work up to 96k/24bit. 

They also do *not* require a specific driver to be installed. 

All you need to do to get 'aplay' playing up to 96k/24bit is to have the
appropriate details in your ALSA settings - e.g. in .asoundrc. IIRC the
next generation of devices may also reach 192k/24bit.

So the problem seems to be getting specific player apps to actually send
data to the default alsa device. AlsaPlayer does this, but refuses to play
anything above 48k. Audacious does this up to 96k, but only for 16bits even
when told to output 24 and avoid processing.

MusicBox - which is my main interest here - simply fails to play anything
even when I choose either of the 'also' options it offers. All I observe is
that it shows 'playing' for a few seconds with the elapsed time staying at
zero, then stops. The time it thinks it is 'playing' is far shorter than
the duration of the files. This happens even for 44.1k/16bit wave LPCM
files.

So the problem here is that MusicBox doesn't work on my system. Does
anyone recognise the syptoms or suggest how to 'fix' MusicBox?

Slainte,

Jim

-- 
Electronics  http://www.st-and.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
Armstrong Audio  http://www.audiomisc.co.uk/Armstrong/armstrong.html
Audio Misc  http://www.audiomisc.co.uk/index.html


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