Mailing List Archive: MythTV: Users

Louder TV

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xmode at westnet

Aug 22, 2007, 5:28 PM

Post #1 of 6 (378 views)
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Louder TV

Hi MythList,

Does anyone know of a way to make the audio louder in myth? I have both
Myth and alsa (via alsamixer) set to 100% but the sound level is still
quite a but lower than that of the analog signal coming in to my TV. I'm
assuming its just the cap cards I have recording at a slightly lower
level, but I have no way of turning it up any more than it already is..
It kinda makes the myth volume controls useless on my system as turning
it to 75% makes it silent, and it wont get any louder than it already is
(unless I turn my TV all the way up, but then I pop my eardrums when I
turn the thing on because the volume on non-myth TV is so loud)..
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vitaminjoe at gmail

Aug 22, 2007, 5:47 PM

Post #2 of 6 (385 views)
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Re: Louder TV [In reply to]

On 8/22/07, Martin Turner <xmode [at] westnet> wrote:
> Hi MythList,
>
> Does anyone know of a way to make the audio louder in myth? I have both
> Myth and alsa (via alsamixer) set to 100% but the sound level is still
> quite a but lower than that of the analog signal coming in to my TV. I'm
> assuming its just the cap cards I have recording at a slightly lower
> level, but I have no way of turning it up any more than it already is..
> It kinda makes the myth volume controls useless on my system as turning
> it to 75% makes it silent, and it wont get any louder than it already is
> (unless I turn my TV all the way up, but then I pop my eardrums when I
> turn the thing on because the volume on non-myth TV is so loud)..

Stupid question, I know, but are you sure you're using the amplified
output on your sound card? Most sound cards and onboard sound devices
have an speaker output as well as a line-level output. It's possible
you're using the line-level output instead of the speaker output.

Do sounds other than Myth recordings play at a higher volume (i.e. CD
audio)? Perhaps it's (as you say) specific to the levels being
recorded by your tuner.

--
Joe Ripley
vitaminjoe [at] gmail
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xmode at westnet

Aug 22, 2007, 6:10 PM

Post #3 of 6 (368 views)
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Re: Louder TV [In reply to]

Joe Ripley wrote:
> On 8/22/07, Martin Turner <xmode [at] westnet> wrote:
>
>> Hi MythList,
>>
>> Does anyone know of a way to make the audio louder in myth? I have both
>> Myth and alsa (via alsamixer) set to 100% but the sound level is still
>> quite a but lower than that of the analog signal coming in to my TV. I'm
>> assuming its just the cap cards I have recording at a slightly lower
>> level, but I have no way of turning it up any more than it already is..
>> It kinda makes the myth volume controls useless on my system as turning
>> it to 75% makes it silent, and it wont get any louder than it already is
>> (unless I turn my TV all the way up, but then I pop my eardrums when I
>> turn the thing on because the volume on non-myth TV is so loud)..
>>
>
> Stupid question, I know, but are you sure you're using the amplified
> output on your sound card? Most sound cards and onboard sound devices
> have an speaker output as well as a line-level output. It's possible
> you're using the line-level output instead of the speaker output.
>
> Do sounds other than Myth recordings play at a higher volume (i.e. CD
> audio)? Perhaps it's (as you say) specific to the levels being
> recorded by your tuner.
>
>
VLC doesn't seem to have this problem.. Its not totally silent, just a
bit quiet (and watchable) but as its already at 100% I cant turn it up
in the quiet bits, or if there is some noise around, without finding the
TV remote..

As im prone to doing noob like things I have also just checked and its
plugged in to the headphone socket (also tried in the front headphones
socket to same effect)
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dropax at aol

Aug 22, 2007, 6:46 PM

Post #4 of 6 (372 views)
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Re: Louder TV [In reply to]

> Joe Ripley wrote:
>> On 8/22/07, Martin Turner <xmode [at] westnet> wrote:
>>
>>> Hi MythList,
>>>
>>> Does anyone know of a way to make the audio louder in myth? I have both
>>> Myth and alsa (via alsamixer) set to 100% but the sound level is still
>>> quite a but lower than that of the analog signal coming in to my TV. I'm
>>> assuming its just the cap cards I have recording at a slightly lower
>>> level, but I have no way of turning it up any more than it already is..
>>> It kinda makes the myth volume controls useless on my system as turning
>>> it to 75% makes it silent, and it wont get any louder than it already is
>>> (unless I turn my TV all the way up, but then I pop my eardrums when I
>>> turn the thing on because the volume on non-myth TV is so loud)..
>>>
>> Stupid question, I know, but are you sure you're using the amplified
>> output on your sound card? Most sound cards and onboard sound devices
>> have an speaker output as well as a line-level output. It's possible
>> you're using the line-level output instead of the speaker output.
>>
>> Do sounds other than Myth recordings play at a higher volume (i.e. CD
>> audio)? Perhaps it's (as you say) specific to the levels being
>> recorded by your tuner.
>>
>>
> VLC doesn't seem to have this problem.. Its not totally silent, just a
> bit quiet (and watchable) but as its already at 100% I cant turn it up
> in the quiet bits, or if there is some noise around, without finding the
> TV remote..
>
> As im prone to doing noob like things I have also just checked and its
> plugged in to the headphone socket (also tried in the front headphones
> socket to same effect)
> _______________________________________________
> mythtv-users mailing list
> mythtv-users [at] mythtv
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
Any chance this is a Dell Optiplex? I struggled for weeks before I
discovered that their on-board audio has line-out only, and it's a lower
level than most component audio equipment. Seems they expected
amplified speakers to be the only use.

Something like this:
http://www.amazon.com/TC-780-Stereo-Line-Level-Booster/dp/B000K3VBQO
would be a hardware solution. Be careful not to get a "phono" or
"moving coil" preamp as they'd overload in this use.
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mythtv at hotblack

Aug 22, 2007, 7:02 PM

Post #5 of 6 (371 views)
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Re: Louder TV [In reply to]

>Hi MythList,
>
>Does anyone know of a way to make the audio louder in myth? I have both
>Myth and alsa (via alsamixer) set to 100% but the sound level is still
>quite a but lower than that of the analog signal coming in to my TV. I'm
>assuming its just the cap cards I have recording at a slightly lower
>level, but I have no way of turning it up any more than it already is..
>It kinda makes the myth volume controls useless on my system as turning
>it to 75% makes it silent, and it wont get any louder than it already is
>(unless I turn my TV all the way up, but then I pop my eardrums when I
>turn the thing on because the volume on non-myth TV is so loud)..

Have you checked your recording profiles?
Setup > TV Settings > Recording Profiles
On about the 4th screen of editing a profile is a volume control.

From memory, the default when I first setup MythTV was about 90%.

- Wade
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alastair.kerr at ed

Aug 24, 2007, 4:44 AM

Post #6 of 6 (339 views)
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Re: Louder TV [In reply to]

dropax wrote:
>> Joe Ripley wrote:
>>
>>> On 8/22/07, Martin Turner <xmode [at] westnet> wrote:
>>>
>>>
>>>> Hi MythList,
>>>>
>>>> Does anyone know of a way to make the audio louder in myth? I have both
>>>> Myth and alsa (via alsamixer) set to 100% but the sound level is still
>>>> quite a but lower than that of the analog signal coming in to my TV. I'm
>>>> assuming its just the cap cards I have recording at a slightly lower
>>>> level, but I have no way of turning it up any more than it already is..
>>>> It kinda makes the myth volume controls useless on my system as turning
>>>> it to 75% makes it silent, and it wont get any louder than it already is
>>>> (unless I turn my TV all the way up, but then I pop my eardrums when I
>>>> turn the thing on because the volume on non-myth TV is so loud)..
>>>>
>>>>
>>> Stupid question, I know, but are you sure you're using the amplified
>>> output on your sound card? Most sound cards and onboard sound devices
>>> have an speaker output as well as a line-level output. It's possible
>>> you're using the line-level output instead of the speaker output.
>>>
>>> Do sounds other than Myth recordings play at a higher volume (i.e. CD
>>> audio)? Perhaps it's (as you say) specific to the levels being
>>> recorded by your tuner.
>>>
>>>
>>>
>> VLC doesn't seem to have this problem.. Its not totally silent, just a
>> bit quiet (and watchable) but as its already at 100% I cant turn it up
>> in the quiet bits, or if there is some noise around, without finding the
>> TV remote..
>>
>> As im prone to doing noob like things I have also just checked and its
>> plugged in to the headphone socket (also tried in the front headphones
>> socket to same effect)
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users [at] mythtv
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
> Any chance this is a Dell Optiplex? I struggled for weeks before I
> discovered that their on-board audio has line-out only, and it's a lower
> level than most component audio equipment. Seems they expected
> amplified speakers to be the only use.
>
Try turning off (disabling) the OS based audio mixer and just use it in
MythTV (this worked for me in Kubuntu)
-Alastair

--
Alastair Kerr, Ph.D.,
Bioinformatician, Wellcome Trust Centre for Cell Biology,
2.21, Michael Swann Building, Kings buildings,
The University of Edinburgh,
Edinburgh, EH9 3JR, UK
Tel: 44-(0)131-650-7527
http://bifx1.bio.ed.ac.uk/

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