Just found one gotcha with Foobar2000. If you have greatest hits albums
where you change the year based on what year the single was released
(rather than the album) or compilation albums then you might want to
change the default definition of what ReplayGain thinks is an album.
The default looks
Sorry for jumping back in that late, seems I missed a little.
Some points for clarification:
- If you have applied Gain to MP3 files using tools like -MP3Gain-
or -foobar2000- (which, in my opinion, you shouldn#8217;t), these
tools will actually -modify- the audio frames to play at
The other gotcha about Foobar is it likes to write ID3V2.4 tags. I
believe you can change but it's wasn't the most evident when I used it.
I like to have just ID3v2.3 tags so I just use dbpoweramp for all my
replay gain needs.
--
Nonreality
-IF THE RULE YOU FOLLOWED BROUGHT YOU TO THIS, OF
After reading this and many other threads I thought I would post my
experiences of applying Smart Gain to my 13,500 track library. I
decided to use Foobar2000 which was really easy to use. There are some
helpful instructions at:
http://www.bobulous.org.uk/misc/Replay-Gain.html
If you haven't use
chitunes;410901 Wrote:
Based on your description, the files as played through Duet should
already be volume-leveled, so I am in fact hearing a doubled action.
Do I have this right?
Are you using iTunes' Sound Check?
I believe there's a bug out there were the values calculated by iTunes
are
Mark Lanctot;412097 Wrote:
Are you using iTunes' Sound Check?
I believe there's a bug out there were the values calculated by iTunes
are ADDED to the values calculated by an RG algorithm, doubling the
effect.
The solution is to use one or the other.
Oh and it's a common misconception
Nonreality;410905 Wrote:
Yes exactly if you also have replay gain tags on a track that has
already been volume leveled by mp3tag. In that case I would not use
any replay gain in SC.
Thanks for the information.
--
chitunes
chitunes;411152 Wrote:
Thanks for the information.
Glad to help. You might be able to undo the mp3tag leveling and switch
to using tags. Then a program like Mediamonkey could apply leveling on
the fly to your portable and not have to have all your files altered.
Something to think about
I've been using Duet for a couple months, playing the the gain
settings.
Most of my tracks (AAC MP3) have been tagged using iGain or MP3Gain
(which use the same standard).
Does the Replay/Smart feature read what's already tagged, or does it
act on its own, ignoring any previous file
chitunes;410825 Wrote:
Based on this, how is the volume adjustment number in More Information
calculated?
Everything comes from the tags. Squeezecenter does not (by default) do
any extra processing, nor does it write anything to your files.
--
SuperQ
SuperQ;410833 Wrote:
Everything comes from the tags. Squeezecenter does not (by default) do
any extra processing, nor does it write anything to your files.
Thanks for the reply SuperQ. I appreciate the information. This leads
me back to my other question as to why the displayed number is
Moonbase;410501 Wrote:
Suggestion to at least -check- against badly encoded files and/or RG
tools that deliver incredible values:
(I actually also use another method: From time to time I generate
master playlists on my whole collection that also spit out some
special playlists like
chitunes;410835 Wrote:
Thanks for the reply SuperQ. I appreciate the information. This leads
me back to my other question as to why the displayed number is always a
greater reduction than is tagged by MP3/iGain. This difference is
audible in the actual volume, sound quality and dynamic
Patrick Dixon;410849 Wrote:
There's 'track gain' and 'album gain', are you comparing like with like?
I use smart gain to differentiate between playlists and albums. Are
you saying there could be different results?
--
chitunes
Patrick Dixon;410849 Wrote:
There's 'track gain' and 'album gain', are you comparing like with like?
The dynamic range of the actual music should not be affected as both
the high and low are changed the same.
--
Nonreality
-IF THE RULE YOU FOLLOWED BROUGHT YOU TO THIS, OF WHAT USE IS THE
chitunes;410835 Wrote:
Thanks for the reply SuperQ. I appreciate the information. This leads
me back to my other question as to why the displayed number is always a
greater reduction than is tagged by MP3/iGain. This difference is
audible in the actual volume, sound quality and dynamic
chitunes;410855 Wrote:
I use smart gain to differentiate between playlists and albums. Are you
saying there could be different results?
With track gain each song has a different volume gain, with album gain
every song on the album will have the same volume gain to preserve the
original intent
Nonreality;410859 Wrote:
The dynamic range of the actual music should not be affected as both the
high and low are changed the same. Try turning the volume up.
Turning up the volume does help on older, less dynamic recordings.
Thanks.
I'm still curious about what affects the volume leveling
Nonreality;410860 Wrote:
With track gain each song has a different volume gain, with album gain
every song on the album will have the same volume gain to preserve the
original intent of the producer.
Yes, I understand that's the reason for both settings. Thanks.
But I'm still curious on
If you use mp3gain you can apply gain setting to the actual track
without the use of tags. The changes the music so that you can use
replay gain on devices that do not support replay gain. I've never
used it because I don't want it to be permanent. I guess you can
change them back but I just
Nonreality;410898 Wrote:
If you use mp3gain you can apply gain setting to the actual track
without the use of tags. The changes the music so that you can use
replay gain on devices that do not support replay gain. I've never
used it because I don't want it to be permanent. I guess you can
chitunes;410901 Wrote:
The original intent, as you indicated, was to use MP3gain for playback
on iPods, which of course don't support tags. But that was before
Duet! Given that MP3/iGain act on the file itself, I would like to
know what affect that has on volume playing back through SC and
Patrick Dixon;403375 Wrote:
After all if the highest level always masked a lower level, you'd only
ever hear one instrument at a time.
Of course. But even if you play a tune with just the 24th bit (with
silence otherwise) you won't hear it. No masking is required to make it
inaudible. It's
darrenyeats;410453 Wrote:
But even if you play a tune with just the 24th bit (with silence
otherwise) you won't hear it. No masking is required to make it
inaudible. It's just inaudible if you've set up your gain structure
correctly.
It's inaudible in the presence of no other signal, but
Suggestion to at least -check- against badly encoded files and/or RG
tools that deliver incredible values:
I use -Mp3tag- to add the columns -RG Track-, -Peak Track-, -RG Album-
and -Peak Album- to the column view. Thus, you can easily -sort- on
them (by clicking on the column header) and easily
As usual, Moonbase, you've provided excellent advise and I will start on
the project.
Yes, Smart Gain worked just as it should, and now I know I have some
off the chart volume adjustment values that need to be corrected.
--
Lefatshe
Fanless Zalman TNN 300 PC-Transporter-Rowland
Wow. Smart Gain just really freaked out my speakers. If I'd been
listening louder it would have done damage. Luckily I was near the
volume control. I couldn't figure out where the noise was coming from.
I was listening to track 1 of Essential Tallis Scholars (CD1). Not
rafter-raising music.
So smart gain didn't freak out your speakers, the program doing the
replay gain did.
--
Nonreality
-IF THE RULE YOU FOLLOWED BROUGHT YOU TO THIS, OF WHAT USE IS THE RULE.-
HTTP://www.last.fm/user/nonreality
Nonreality's
Patrick Dixon;403375 Wrote:
It's called 'rounding' not 'interpolation'.
Just because rounding noise is a lower level than some other noise,
doesn't mean you can't hear it. After all if the highest level always
masked a lower level, you'd only ever hear one instrument at a time.
Phil Leigh;403420 Wrote:
Patrick do you mean you don't like RG as opposed to just reducing the
digital volume? (the mechanism is basically the same)- I can't hear
anything bad going on...Yes. I'm not sure if the mechanism is precisely the
same, but I didn't
like the effect - at least in
Is there any sonic degradation (ie bit loss) when using the Smart Gain
feature?
--
patherb2
patherb2's Profile: http://forums.slimdevices.com/member.php?userid=10303
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patherb2;402304 Wrote:
Is there any sonic degradation (ie bit loss) when using the Smart Gain
feature?
no (yes) . :)
Technically there is bit loss if you reduce the volume from max - which
is what ReplayGain normally does.
However, if you are asking will I hear anything bad if I use
The volume control (and replay gain) are handled in 24 bits by the
squeezebox. This means that bit errors (interpolation, not really
errors) happen well below the SNR of the DAC.
--
SuperQ
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