Hello Again,
YooHooo!
I just compiled and installed alsa 1.0.3. 'PCM Capture Volume' is now
responding and I can get acceptable levels with the microphone!
As an added bonus there is now 'Input Saturation' and more metering
though I must say I don't know how or where I can use them.
Thanks,
digger
On Sat, 2004-02-28 at 20:09, digger vermont wrote:
> Hello Alain,
>
> Thanks for your reply.
>
> On Fri, 2004-02-27 at 03:13, Alain CrÃtet wrote:
> > Hi digger,
> >
> > The 'PCM Capt' control is the digital input level.
> > The 'Mic' control is a switch for the input selector and the analog input
> > level (for the Mic only).
>
> I guess I don't quite understand. In 'VX Control' (macosx) while using
> the mic input there is a 'Digital Gain' control from infinity to 18db.
> Is that the equivalent of the 'Mic" control in alsa?
>
> Then with 'VX Control' in macosx there is a 'Preamplifier Gain' control
> that goes from +30db to +51db. Is it not yet implemented in alsa? In
> the source there seem to references to it, but I can't understand it
> enough to know if it is.
>
> >
> > I have tested it with alsa 1.0.0rc1 and arecord, it's ok.
> >
> > Do you have unmute the 'Monitoring' control and set it to the correct
> > level ?
>
> I can hear it. Or do you mean that the 'Monitor' control should effect
> the recording level? I've tried with everything on and 100% and looking
> at the waveform the level is low. The only control that seems to have
> any effect is 'Mic'.
>
> In macosx at a normal speaking level I can easily drive the recorded
> level into clipping. With alsa and linux I have to shout to get near
> there.
>
> Not that I want to cause clipping, but I need to record some low level
> sound like water dripping. Without adding an external preamp it won't
> work.
>
> Thanks again for your help,
>
> digger
>
> >
> > > ----------
> > > De : digger vermont
> > > Envoyà : Thursday, February 26, 2004 8:46 PM
> > > Ã : Alsa Users
> > > Objet : [Alsa-user] Vxpocket V2, does digital gain or mic preamp work?
> > >
> > > Hello all,
> > >
> > > I've a Vxpocket V2 I'm using on a powerbook g4 with alsa 1.0.2c. Using
> > > arecord, the recorded level with a mic (Shure SM57) is low about -30db.
> > > The 'PCM Capture Volume' which I think is supposed to be the
> > > digital-gain or the mic-preamp seems to have no effect. Is this
> > > control functional or am I trying the wrong thing?
> > >
> > > Thanks for any help
> > >
> > > digger
> > >
>
>
>
>
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