>> I don't get sound from usb-audio, making sure the name matches.
>> Could the .asoundrc syntax be wrong there?
>
> I doubt the following could be wrong:
>
> pcm.usb-audio {
> type hw
> card 0
> }
>
> Unless usb-audio is not your device. I would tend to take mpd out of
On Friday 13 June 2008, Grant wrote:
> I don't get sound from usb-audio, making sure the name matches.
> Could the .asoundrc syntax be wrong there?
I doubt the following could be wrong:
pcm.usb-audio {
type hw
card 0
}
Unless usb-audio is not your device. I would tend
>> I changed my config like so and restarted alsasound with the same
>> results:
>>
>> .asoundrc:
>>
>> pcm.usb-audio {
>> type hw
>> card 0
>> }
>> pcm.usb-audio_44 {
>> type plug
>> slave {
>> pcm usb-audio
>> rate 44100
>>
On Friday 13 June 2008, Grant wrote:
> I changed my config like so and restarted alsasound with the same
> results:
>
> .asoundrc:
>
> pcm.usb-audio {
> type hw
> card 0
> }
> pcm.usb-audio_44 {
> type plug
> slave {
> pcm usb-audio
>
>> pcm.my_device
>
> Sorry, thought it would be understood that 'my_device' is the alsa alias
> (in my case the the name of the kernel module without the
> leading "snd-") for the hardware device in question (see your
> modules.conf file or whatever is proper for your distro). In my case I
> have 2
On Friday 13 June 2008, Grant wrote:
> pcm.my_device
Sorry, thought it would be understood that 'my_device' is the alsa alias
(in my case the the name of the kernel module without the
leading "snd-") for the hardware device in question (see your
modules.conf file or whatever is proper for your
>> I'm trying to get music from mpd to my USB DAC in 100% untouched
>> form. My mpd.conf is as follows:
>>
>> audio_output {
>> type "alsa"
>> name "USB Monica"
>> device "hw:0,0"
>> format "44100:16:2"
>> }
>
> Don't know anything about mpd but you can set up an asoundrc "plug" in
> alsa that will
On Thursday 12 June 2008, Grant wrote:
> I'm trying to get music from mpd to my USB DAC in 100% untouched
> form. My mpd.conf is as follows:
>
> audio_output {
> type "alsa"
> name "USB Monica"
> device "hw:0,0"
> format "44100:16:2"
> }
Don't know anything about mpd but you can set up an asoundrc
> dmix *is* an application, conceptually it is not different to esd, artsd
> or pulseaudio opening the ALSA hardware directly. It just happens to be
> an ALSA plugin and is a part of the signal chain that ALSA-lib sets up
> by default.
>
> You can either:
>
> a) configure dmix using a custom .asou
On 12-06-08 08:28, Demian Martin wrote:
> I don't think we are in disagreement in substance. I was trying to
> give a larger framework for all of those not as familiar with the
> general workings and decisions behind computer audio as currently
> implemented. "Just works" is very important to most
the desired results are not easy and
Alsa has a reputation for having some of the most obtuse syntax in Linux.
Demian Martin
Product Design Services
-Original Message-
From: Rene Herman [mailto:[EMAIL PROTECTED]
Sent: Wednesday, June 11, 2008 10:29 PM
To: Demian Martin
Cc: alsa-user@li
On 12-06-08 07:17, Pete Black wrote:
> dmix *is* an application, conceptually it is not different [ ... ]
Let's call it a conceptlication then. As said, your basic description
was correct.
Rene.
-
Check out the new SourceF
On 12-06-08 07:13, Demian Martin wrote:
> Computer audio and sample rate issues are popping up everywhere, driven
> by the desire for high quality audio on PC's finally. On Windows and
> Mac's its even harder to get it right.
>
> In Alsa (and PC audio architecture in general) the system has a d
dmix *is* an application, conceptually it is not different to esd, artsd
or pulseaudio opening the ALSA hardware directly. It just happens to be
an ALSA plugin and is a part of the signal chain that ALSA-lib sets up
by default.
You can either:
a) configure dmix using a custom .asoundrc to use
Computer audio and sample rate issues are popping up everywhere, driven by
the desire for high quality audio on PC's finally. On Windows and Mac's its
even harder to get it right.
In Alsa (and PC audio architecture in general) the system has a default
sample rate, usually set by the driver it seem
On 12-06-08 06:53, Pete Black wrote:
> Its very simple.
>
> Most sound devices support a number of sample rates. Common ones
> include 16 bit @ 44.1khz, 16-bit @ 48khz, 24-bit @ 96 khz etc.
>
> Only one application has exclusive control over the sound hardware at
> any time.
>
> Whatever rate t
Its very simple.
Most sound devices support a number of sample rates. Common ones include
16 bit @ 44.1khz, 16-bit @ 48khz, 24-bit @ 96 khz etc.
Only one application has exclusive control over the sound hardware at
any time.
Whatever rate that application opens the soundcard at, is the rate th
On 12-06-08 06:30, Sergei Steshenko wrote:
> Yes again - to me ALSA's sample rate implementation looks quite
> illogical - IMO it should be the other way round - user first
> mandates sample rate, and then playback sources adapt through
> resampling if necessary.
Great setup once we have infinite
-Original Message-
From: Rene Herman <[EMAIL PROTECTED]>
To: Sergei Steshenko <[EMAIL PROTECTED]>
Date: Thu, 12 Jun 2008 05:55:40 +0200
Subject: Re: [Alsa-user] Output sample rate
>
> On 12-06-08 05:52, Sergei Steshenko wrote:
>
> > From: Rene Herman <
On 12-06-08 05:52, Sergei Steshenko wrote:
> From: Rene Herman <[EMAIL PROTECTED]>
> The sampling rate is a property inherent to the data.
> Are trying to tell me that sample rate is inherent to analog source connected
> to microphone or line input ?
Oh, not again... please get a clue. DATA.
R
-Original Message-
From: Rene Herman <[EMAIL PROTECTED]>
To: Sergei Steshenko <[EMAIL PROTECTED]>
Date: Thu, 12 Jun 2008 04:12:58 +0200
Subject: Re: [Alsa-user] Output sample rate
The sampling rate is a property inherent to the data.
>
> Rene.
???
Are trying to t
On 12-06-08 02:17, Sergei Steshenko wrote:
> From: Grant <[EMAIL PROTECTED]>
>> Where is my output sample rate defined? I'm trying to make sure mpd
>> isn't resampling my music before it's sent to the USB DAC.
> I initiated a similar thread recently.
>
> The short answer - nowhere.
>
> As I w
On 12-06-08 00:35, Grant wrote:
> Where is my output sample rate defined? I'm trying to make sure mpd
> isn't resampling my music before it's sent to the USB DAC.
Check /proc/asound/card0/pcm0p/sub0/hw_params while mpd is playing (for
a suitable value of (0,0,0) ofcourse).
Rene.
-
-Original Message-
From: Grant <[EMAIL PROTECTED]>
To: alsa-user@lists.sourceforge.net
Date: Wed, 11 Jun 2008 15:35:42 -0700
Subject: [Alsa-user] Output sample rate
>
> Where is my output sample rate defined? I'm trying to make sure mpd
> isn't resampling my music before it's sent to t
Grant wrote:
> Where is my output sample rate defined? I'm trying to make sure mpd
> isn't resampling my music before it's sent to the USB DAC.
>
>
If you are playing audio that is in recognized format the rate is
defined within the audio file itself and was set at time of creation.
If you w
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