[mythtv-users] increasing volume in mythmovie?

[Allan Wilson]

I am having the exact same problem. I thought that it was just the crappy
audio of the recording but after hearing it from other people I noticed that
I could make it louder by going in to the controls for my volume inside of
Ubuntu but it was still pretty bad quality. Is this happening to everyone or
just a few of us using a pvr250 and a pvr500.

Allan

On 4/9/06, Kurt Yoder <ktymyth at yoderhome.com> wrote:
>
>
> On Apr 9, 2006, at 2:30 PM, Tom Greer wrote:
>
> > > From: Kurt Yoder <ktymyth at yoderhome.com>
> > > To: Discussion about mythtv <mythtv-users at mythtv.org>
> > > Date: Sun, 9 Apr 2006 12:04:33 -0400
> > > Subject: Re: [mythtv-users] increasing volume in mythmovie?
> > >
> > > On Apr 9, 2006, at 1:06 AM, Cymen Vig wrote:
> > >.> On 4/8/06, Kurt Yoder <ktymyth at yoderhome.com> wrote:
> > >>>
> > >>> On Apr 8, 2006, at 11:50 AM, Robin Neatherway wrote:
> > >>>
> > >>>> On 4/8/06, Kurt Yoder <ktymyth at yoderhome.com> wrote:
> > >>>> If you're using mplayer, you can try applying the filter
> > 'volnorm'
> > >>>> with -af volnorm which maximises the sound without distorting
> > it. I
> > >>>> use this for playing DVDs which are usually quite quiet.
> > >>>
> > >>> Thanks. That works well, but it still isn't as loud as the regular
> > >>> recordings. Can I add even more volume?
> > >>
> > >> "man mplayer" has some more details
> > >> ----
> > >> volnorm[=method:target]
> > >>  Maximizes the volume without distorting the sound.
> > >>           <method>
> > >>                Sets the used method.
> > >>                   1: Use a single sample to smooth the
> > variations via
> > >> the standard weighted mean over past samples (default).
> > >>                   2: Use several samples to smooth the
> > variations via
> > >> the standard weighted mean over past samples.
> > >>
> > >>           <target>
> > >>                Sets the target amplitude as a fraction of the
> > maximum
> > >> for the sample type (default: 0.25).
> > >
> > > Hmm... my mplayer only has "method", but not "target" in the man
> > > page. I'm using a Debian package from ftp.nerim.net: "1.0-
> > > pre7cvs20051102-0sarge0.1". So I guess you have a newer version?
> > >
> > I had similar problems with low volume until someone suggested
> > using alsamixer.  Its a character-based gui app that lets you set
> > loads of settings for capture and playback.  Making some adjustment
> > via alsamixer made my problems go away.
> >
> > If  you are not using alsa, I recommend that you switch and then
> > use this.
>
> Yeah, I used this to increase the sound output of my sound card,
> though I can't go to 100% without getting a lot of distortion. I have
> on-board sound: Realtek ALC850 sound chip, nvidia nforce ck804
> chipset. I'm still facing the problem where the movie playback volume
> via mplayer is noticeably quieter than the playback volume of myth
> recordings. It would be nice if I could equalize the volumes for
> these two types of playbacks.
>
> --
>
> Kurt Yoder
> http://yoderhome.com
>
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