Re: [Alsa-user] ALSA vs M-Audio fast track ULTRA

2008-09-01 Thread V Gabriele De Palo
James Shatto ha scritto:

Hello everyone! I now resigned to not being able to use
the m-audio fast track ULTRA usb soundcard with my LINUX-DAWs,
someone can recommend another card usb I can afford
multitrack audio recordings of quality, which is working with Linux?



As said before, my M-Audio Mobile Pre seems class compliant.  And otherwise 
works.  My Delta 44 (pci) works too.  The Delta worked for several months 
before they finally came up with Windows Vista drivers.  But it doesn't sound 
like you want another M-Audio.  So probably the Lexicon Omega / Alpha type 
cards might work for you.  What type of inputs are you needing?  And how many 
inputs?  TRS / XLR / 3.5mm stereo?  There's several out there depending on 
your needs.  What's your budget?  

If you need a lot more inputs at higher rates, then firewire might be better 
suited.  

freebob.sf.net

HTH,
- James




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Ciao! Thank you all!
I need to make multitrack recordings; I' m looking for a sound card 
usb2  model
of  at least 4/6/8 balanced inputs, XLR with phantom power to 48V and 
audio resolution 24-bit/96kHz
and with many analog audio outputs maybe XLR balanced, SPDIF in / out 
and MIDI in / out / trough.
  The budget is relatively important,
I procured a m-audio card because I was informed and
on several occasions was indicated that any model based m-audio would not
have created class compliant difficulties, unfortunately my supplier did 
not big chance and I have other ways to obtain others devices.
But because of my bad English but I still do not understand:
There is no way to run the fast-track ultra-linux?
This is a time problem, I need to wait until a new driver or firmware?
The fast-track ultra-is throwing in the trash because it will not work 
ever with Linux?

Excuse me, a 'other demand: because if I try to compile the driver alsa 
get this error message:

The file /include/linux/version.h does not exist.
Please install the package with full kernel sources for your 
distribution
or use --with-kernel=dir option to specify another directory with kernel
sources (default is /usr/src/linux).

What does this mean?
What should I do?
My uname -a output is:
Linux ubuntustudio 2.6.24-21-rt #1 SMP PREEMPT RT Mon Aug 25 19:24:40 
UTC 2008 i686 GNU/Linux. 
Thank you and sorry my insistence.
Ciao
gabriele

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Re: [Alsa-user] ALSA vs M-Audio fast track ULTRA

2008-09-01 Thread James Shatto
 I need to make multitrack recordings; I' m looking for a sound card 
 usb2  model
 of  at least 4/6/8 balanced inputs, XLR with phantom power to 48V and 
 audio resolution 24-bit/96kHz
 and with many analog audio outputs maybe XLR balanced, SPDIF in / out 
 and MIDI in / out / trough.

For those specs you need a firewire device.  USB has limited bandwidth.  The 
best I've come across that work, are 2x 16 bit 48kHz input with simultaneous 2x 
16 bit 48kHz output.  The best I've seen is 2x 24 bit 96kHz, and the reviews on 
them are not great.  Buggy, not full duplex at that rate, and other driver-ish 
issues.  Even in windows.  The USB bus is very limited and at a very minimum 
has latency issues if you want to multitrack.  Even at 16 bit 48 kHz.

If PCI is a possibility, then an Echo Layla 3G might be to your liking.  But I 
don't know about it's linux support status.  I just don't know if you're gonna 
find a device like that, that works in either windows or linux.  Unless it's a 
firewire device like a Presonus Firepod / Firebox / FP10 / Whatever the 
marketing name of the year is.  Or a PCI device.  Go PCI or Firewire, you'll 
have many more options, and not as many headaches.

HTH

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[Alsa-user] pseudo-quadro to 5.1 speakers

2008-09-01 Thread Markko Merzin
Hi!

Back in early 90's (in my teens) i built a soundsystem with 4 speakers
where signal to rear speakers was taken by substracting one stereo
signal from another and routing it to rear speakers in reversed phase.

That is:

Front left speaker has left stereo channel.
Front right has right stereo channel.
Rear left has left stereo channel minus right stereo channel.
Rear right has right stereo channel minus left stereo channel.

I wonder can this setup be done in alsa?

-- 
Markko Merzin


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Re: [Alsa-user] ALSA vs M-Audio fast track ULTRA

2008-09-01 Thread V Gabriele De Palo
James Shatto ha scritto:

I need to make multitrack recordings; I' m looking for a sound card 
usb2  model
of  at least 4/6/8 balanced inputs, XLR with phantom power to 48V and 
audio resolution 24-bit/96kHz
and with many analog audio outputs maybe XLR balanced, SPDIF in / out 
and MIDI in / out / trough.



For those specs you need a firewire device.  USB has limited bandwidth.  The 
best I've come across that work, are 2x 16 bit 48kHz input with simultaneous 
2x 16 bit 48kHz output.  The best I've seen is 2x 24 bit 96kHz, and the 
reviews on them are not great.  Buggy, not full duplex at that rate, and other 
driver-ish issues.  Even in windows.  The USB bus is very limited and at a 
very minimum has latency issues if you want to multitrack.  Even at 16 bit 48 
kHz.

If PCI is a possibility, then an Echo Layla 3G might be to your liking.  But I 
don't know about it's linux support status.  I just don't know if you're gonna 
find a device like that, that works in either windows or linux.  Unless it's a 
firewire device like a Presonus Firepod / Firebox / FP10 / Whatever the 
marketing name of the year is.  Or a PCI device.  Go PCI or Firewire, you'll 
have many more options, and not as many headaches.

HTH




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Version: 8.0.169 / Virus Database: 270.6.14/1644 - Release Date: 31/08/2008 
16.59

  

Ciao,
thanks to help cure my headache! ;-)
You are absolutely right: the ultra-fast track, working with Windows at 
2x 24-bit 96kHz, in my case I'm not interested in the possibility full 
duplex, my use would be an alternative recording or playback, the 
different connections on the card I ' d use only for connecting 
convenience  with other devices or for multitrack recordings 
low-resolution digital audio or play on multi channel.
Would be very good successful use to operate the ultra fast track to 
linux @2x24-96
Unfortunately I do not have on all the computers a firewire port, for 
this I tried a usb model soundcard, should I need an adapter firewire? 
or what if I want to use a laptop that does not have firewire 
connection, how can I do?
... PCI perhaps? I do not understand how ...


EME   (Excuse My English)

Grazie
ciao
gabriele

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Re: [Alsa-user] ALSA vs M-Audio fast track ULTRA

2008-09-01 Thread Clemens Ladisch
V Gabriele De Palo wrote:
 # cat /proc/asound/cards
 ...
  1 [Ultra  ]: USB-Audio - Fast Track Ultra
   M-Audio Fast Track Ultra at usb-:00:1d.7-3, high 
 speed

It seems the device is more or less class compliant, so, in theory, it
could work.

 # speaker-test -c 2 -D hw:1

 ALSA lib confmisc.c:1286:(snd_func_refer) Unable to find definition 
 'defaults.namehint.extended'

There is some problem with your alsa-lib installation that is unrelated
to the sound hardware.

Try reinstalling alsa-lib and/or alsa-utils, if possible.
Remove /etc/asound.conf or ~/.asoundrc, if you have them.


HTH
Clemens

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[Alsa-user] Audio problem

2008-09-01 Thread Erik Jakobsen
Hi.

If I play a MP3 file, I cannot control the sound by the Master in Kmix's 
output.
The sound is controled by the PCM output.

I think it's a matter of a miss with the driver/mixer configuration.

But how can I determine that, and how can I solve it ?.

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Re: [Alsa-user] Audio problem

2008-09-01 Thread Bill Unruh

On Mon, 1 Sep 2008, Erik Jakobsen wrote:

 Hi.

 If I play a MP3 file, I cannot control the sound by the Master in Kmix's
 output.
 The sound is controled by the PCM output.

Yes. That is what the PCM volume slider means. They simply have
non-intuitive labels.


 I think it's a matter of a miss with the driver/mixer configuration.

No idea what that sentence means, sorry.


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[Alsa-user] Cannot get MPD to share sound and now to work at all

2008-09-01 Thread Bobby Gill
Hello

I've reached a point of frustration unlike any other sound problem I've had.
m having problems getting MPD to work properly with respect to sharing sound
and now, to even play at all.

Here is my .asoundrc:

# 6 channel dmix:
pcm.dmix6 {
 type dmix
ipc_key 1024
ipc_key_add_uid false
ipc_perm 0660
slave {
pcm hw:0,0
rate 48000
format S32_LE
channels 6
period_time 0
period_size 1024
buffer_time 0
buffer_size 8192
}
 }

# upmixing:
pcm.ch51dup {
type route
slave.pcm dmix6
slave.channels 6
ttable.0.0 1
ttable.1.1 1
ttable.0.2 0.6
ttable.1.3 0.6
ttable.0.4 0.5
ttable.1.4 0.5
ttable.0.5 0.5
ttable.1.5 0.5
   }

pcm.duplex {
 type asym
 playback.pcm ch51dup # upmix first
 capture.pcm hw:0
}

# change default device:
pcm.!default {
 type plug
 slave {
pcm duplex
}
}

# for aoss
pcm.dsp duplex

pcm.dsp1 duplex

pcm.10to20 {
type route
slave.pcm default
slave.channels 2
ttable.0.0 1
ttable.0.1 1
}

pcm.pulse {
type pulse
}
ctl.pulse {
type pulse
}


#end of working file


My /etc/mpd.conf changes are only the path of music library (works) and
output device is default using alsa.

The basic problem is MPD only plays when nothing else is using sound and
vice versa, whereas all other apps that use sound on my system are fully
able to play simultaneously. I have tried removing the ~/.asoundrc and just
copying it over to /etc/asound.conf and letting MPD read from there, but
this hasn't worked. And now MPD will not start playing as it is giving this
error everytime I try to play a song, this is from /var/log/mpd/mpd.error:

ALSA lib pcm_dmix.c:963:(snd_pcm_dmix_open) unable to create IPC semaphore
Sep 01 16:04 : Error opening alsa device default: Permission denied
Sep 01 16:04 : problems opening audio device while playing Albums/Jimi
Hendrix Discography/Jimi Hendrix - 1967 - Axis- Bold As Love/06.Little
Wing.mp3

Through some forums the furthest I got was that it might be a shared mem
issue, and was told to run ipcs -a but the individual was unable to
diagnose and I'm certainly not knowledgeable enough to, hehe. Here is the
current output of ipcs -a on my machine (of course it changes depending on
apps running, but this is with mpd daemon running):

~ # ipcs -a

-- Shared Memory Segments 
keyshmid  owner  perms  bytes  nattch status

0x50494f4e 0  nobody6662016   1

0x 32769  root  777139264 1

0x 262146 bobby 600393216 2  dest

0x 294915 bobby 600393216 2  dest

0x 491524 bobby 600393216 2  dest

0x 524293 bobby 600393216 2  dest

0x 557062 bobby 600393216 2  dest

0x 819207 bobby 600393216 2  dest

0x 851976 bobby 600393216 2  dest

0xcbc384f8 884745 bobby 60064528  1

0x04d2 917514 bobby 6604881

0x04d3 950283 bobby 660196608 1


-- Semaphore Arrays 
keysemid  owner  perms  nsems
0xcbc384f8 163840 bobby 6001
0x04d2 196609 bobby 6601

-- Message Queues 
keymsqid  owner  perms  used-bytes   messages

I'm sure it's an issue with this and the ipc_key value in my .asoundrc for
dmix6, but I haven't a clue what to do from here. I've solved every sound
issue I've ever had before, so I just can't give up on this ;) I use an
M-audio 7.1 revolution card on Arch linux and Alsa v1.0.16. Any help is
greatly appreciated [image: Smiley]

Thanks
Bobby
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