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On Mon, Jan 30, 2012 at 2:03 PM, Fons Adriaensen wrote:
> On Mon, Jan 30, 2012 at 08:41:28AM +0530, Rustom Mody wrote:

quoted text
>

> > Immediate context:

> > Im trying to capture from firefox using the .asoundrc/jack settings shown

> > http://jackaudio.org/routing_alsa

> > [Track is http://www.raaga.com/play/?id=183659

> > I would just buy it if it were for sale; its not. You may have to click

> > past an ad]

>

> I just recorded the first minute using the alsa-jack plugin, this

> works perfectly and their is no offset in the signal. So it's not

> the source or firefox or the plugin.

>

> > However Ive noticed earlier that when I use my (cheap headset) mike to

> > record directly into audacity, this similar DC offset occurs. Since I am

> no

> > audio pro I did not know what to google for before seeing the tabs in the

> > normalize dialog of audacity.

>

> Could it be that while recording from firefox you had the soundcard

> (auto)connected to the same track as well ? That would add the offset

> if the cause is your soundcard (which I suspect), even if the headset

> is not plugged in.

>

So you are suggesting I "unconnect" the soundcard (and 'silently' record?)

Ok how to unconnect the card?
>

quoted text
> > So if you ask me exactly how much DC offset I dont know how to find out

> in

> > figures.  The audacity track shows it 1/4th to 1/3rd way up. Center is

> 0.0

> > top is 1.0 inbetween is 0.5.

> > This is little more than half way between 0 and 0.5.

>

> Which is way too much, and indicates broken hardware.

>

> So please check your connections and then we'll see again.

>

Not sure what you are asking here...

What I can try is a friends machine...

Let me try that (Some challenges to that I am the most 'pro' out here in

the sense that I at least know how to spell j-a-c-k :-) -- I guess I'll

just commandeer the machine.
> Ciao,

quoted text
>

> --

> FA

>

> Vor uns liegt ein weites Tal, die Sonne scheint - ein Glitzerstrahl.

>

> _______________________________________________

> Linux-audio-user mailing list

> Linux-audio-user@lists.linuxaudio.org

> http://lists.linuxaudio.org/listinfo/linux-audio-user

>

--14dae9340c590b0d1d04b7beece5

Content-Type: text/html; charset=ISO-8859-1

Content-Transfer-Encoding: quoted-printable
On Mon, Jan 30, 2012 at 2:03 PM, Fons Ad=

riaensen <fons@linuxaudio.org> wrote:
On Mon, Jan 30, 2012 at 08:41:28AM +0530, Rustom Mody wrote:
> Immediate context:

quoted text
> Im trying to capture from firefox using the .asoundrc/jack settings sh=

own

quoted text
> http:/=

/jackaudio.org/routing_alsa

quoted text
> [Track is http://www.raaga.com/play/?id=3D183659

> I would just buy it if it were for sale; its not. You may have to clic=

k

quoted text
> past an ad]

I just recorded the first minute using the alsa-jack plugin, this

works perfectly and their is no offset in the signal. So it's not

the source or firefox or the plugin.
> However Ive noticed earlier that when I use my (cheap headset) mike to=
> record directly into audacity, this similar DC offset occurs. Since I =

am no

quoted text
> audio pro I did not know what to google for before seeing the tabs in =

the

quoted text
> normalize dialog of audacity.

Could it be that while recording from firefox you had the soundcard

(auto)connected to the same track as well ? That would add the offset

if the cause is your soundcard (which I suspect), even if the headset

is not plugged in.So you are suggesting I "u=

nconnect" the soundcard (and 'silently' record?)Ok how to =

unconnect the card?=A0
> So if you ask me exactly how much DC offset I dont know how to find ou=

t in

quoted text
> figures. =A0The audacity track shows it 1/4th to 1/3rd way up. Center =

is 0.0

quoted text
> top is 1.0 inbetween is 0.5.

> This is little more than half way between 0 and 0.5.

Which is way too much, and indicates broken hardware.
So please check your connections and then we'll see again.Not sure what you are asking here...What I can try is a fr=

iends machine...Let me try that (Some challenges to that I am the most =

'pro' out here in the sense that I at least know how to spell j-a-c=

-k :-) -- I guess I'll just commandeer the machine.
Ciao,
--

FA
Vor uns liegt ein weites Tal, die Sonne scheint - ein Glitzerstrahl.
_______________________________________________

Linux-audio-user mailing list

=

Linux-audio-user@lists.linuxaudio.org

http://lists.linuxaudio.org/listinfo/linux-audio-user
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