On Tue, 2005-11-29 at 14:44 -0500, Bryan Mayland wrote:
> Ruud Huynen wrote:
> > Does myth set the volume on each recording to 95% at the start of a 
> > recording ?
> > When yes, there is no solution to change it before starting myth or at 
> > the start of the recording with a channel-change script, which in our 
> > case sets the volume.
>     Yes, mythtv sets the volume when it starts a recording (the value of 
> which is set in the recording profile setup).  I did put in a bit of a 
> hack to the volume mod of -4dB to the 150/500s.  It shouldn't have 
> needed it, but my VU meter was saying that my 150 was still 4dB louder 
> when I used the mathematically correct value.
> 
> > I am maybe wrong, I thought the 250 is similar to the 350 (Bryan can 
> > you comment). So you notice the same behaviour as I do with my 350/500 
> > combination. 
>     Yes. The 250 and 250 have the same encoder chips on them so they're 
> basically the same thing as far as recording goes (like the 150 and 500s 
> are).
> 
>     What you both (you and Nipper) might want to try is modifying 
> cx25840-audio.c.  Look for the get_volume and get_volume functions 
> (searching for the number 23 will probably do it).  Change the 23 to 19 
> in all 3 places, compile, install and test.  See if that makes the 
> volume the same on both?

Hi Brian,

I tried this change, and it does seem to have normalised the volume
levels!

It is hard to tell as the effect was only relatively subtle, but I
believe it is better now. Sadly it takes myth a couple of seconds to
change tuners which makes it harder to tell.

Regards,
Stephen.



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