[gentoo-user] [OT] Decoding / encoding mp3 files

[gentoo-user] [OT] Decoding / encoding mp3 files

[sdoma]

Hi,

I got some MP3 files which seem not to be properly coded. The
Interpret/Title information is missing for some, other show very ugly
time information in XMMS ( -234567:21, 893767:13 i.e.) but the
frame/duration in the MP3 info is correct.

Are there any tools (preferred command line) to decode the MP3 (get a
raw audio file, wav or something similar) and in turn to code the MP3
with the proper information?

Will I depend on some use flags (encode?).

Thanks for any hint
Frank


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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Uwe Thiem]

On 01 September 2006 16:47, sdoma wrote:
> Hi,
>
> I got some MP3 files which seem not to be properly coded. The
> Interpret/Title information is missing for some, other show very ugly
> time information in XMMS ( -234567:21, 893767:13 i.e.) but the
> frame/duration in the MP3 info is correct.
>
> Are there any tools (preferred command line) to decode the MP3 (get a
> raw audio file, wav or something similar) and in turn to code the MP3
> with the proper information?

lame

Uwe

-- 
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http://www.SysEx.com.na
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Hemmann, Volker Armin]

On Friday 01 September 2006 17:47, sdoma wrote:
> Hi,
>
> I got some MP3 files which seem not to be properly coded. The
> Interpret/Title information is missing for some, other show very ugly
> time information in XMMS ( -234567:21, 893767:13 i.e.) but the
> frame/duration in the MP3 info is correct.
>
> Are there any tools (preferred command line) to decode the MP3 (get a
> raw audio file, wav or something similar) and in turn to code the MP3
> with the proper information?

even if there are tools - don't do it.

The artist/title info is in the id4 tags - you can edit them with lots of 
tools, even inside most players. No need to recode them.

And recoding: mp3 is a lossy format. If you turn them into wavs you have not 
only wavs based on reduced information, you remove the stuff that makes mp3 
sound 'better' than they are. If you encode them again, you are removing more 
information.

So after such a circle the sound quality would be worse. A lot worse. Hardly 
bearable worse.

Just say no to recoding.
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[sdoma]

On Fri, 2006-09-01 at 18:12 +0200, Hemmann, Volker Armin wrote:
> On Friday 01 September 2006 17:47, sdoma wrote:
> > Hi,
> >
> > I got some MP3 files which seem not to be properly coded. The
> > Interpret/Title information is missing for some, other show very ugly
> > time information in XMMS ( -234567:21, 893767:13 i.e.) but the
> > frame/duration in the MP3 info is correct.
> >
> > Are there any tools (preferred command line) to decode the MP3 (get a
> > raw audio file, wav or something similar) and in turn to code the MP3
> > with the proper information?
> 
> even if there are tools - don't do it.
> 
> The artist/title info is in the id4 tags - you can edit them with lots of 
> tools, even inside most players. No need to recode them.
> 
> And recoding: mp3 is a lossy format. If you turn them into wavs you have not 
> only wavs based on reduced information, you remove the stuff that makes mp3 
> sound 'better' than they are. If you encode them again, you are removing more 
> information.
> 
> So after such a circle the sound quality would be worse. A lot worse. Hardly 
> bearable worse.
> 
> Just say no to recoding.

Thanks for the hint.I've wodered about too if I can live with the
quality loss. I cann say that only if I try.
Well, I've tried to edit the ID4 within XMMS. I can edit this but
without changing the file. Saying this : I edit the tag, save it and
nothing changes.
Could you point me to some of the "lots of tools" you mentioned?
... and what about the time information? It is silly to have a 3 minute
song with shows as days long and even negative duration :( (well, this
could be an ``unsigned int'' issue.

Thanks
Frank


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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Hemmann, Volker Armin]

On Friday 01 September 2006 18:21, sdoma wrote:
> On Fri, 2006-09-01 at 18:12 +0200, Hemmann, Volker Armin wrote:
> > On Friday 01 September 2006 17:47, sdoma wrote:
> > > Hi,
> > >
> > > I got some MP3 files which seem not to be properly coded. The
> > > Interpret/Title information is missing for some, other show very ugly
> > > time information in XMMS ( -234567:21, 893767:13 i.e.) but the
> > > frame/duration in the MP3 info is correct.
> > >
> > > Are there any tools (preferred command line) to decode the MP3 (get a
> > > raw audio file, wav or something similar) and in turn to code the MP3
> > > with the proper information?
> >
> > even if there are tools - don't do it.
> >
> > The artist/title info is in the id4 tags - you can edit them with lots of
> > tools, even inside most players. No need to recode them.
> >
> > And recoding: mp3 is a lossy format. If you turn them into wavs you have
> > not only wavs based on reduced information, you remove the stuff that
> > makes mp3 sound 'better' than they are. If you encode them again, you are
> > removing more information.
> >
> > So after such a circle the sound quality would be worse. A lot worse.
> > Hardly bearable worse.
> >
> > Just say no to recoding.
>
> Thanks for the hint.I've wodered about too if I can live with the
> quality loss. I cann say that only if I try.
> Well, I've tried to edit the ID4 within XMMS. I can edit this but
> without changing the file. Saying this : I edit the tag, save it and
> nothing changes.
> Could you point me to some of the "lots of tools" you mentioned?

media-sound/audiotag
      Latest version available: 0.15
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 14 kB
      Homepage:    http://www.tempestgames.com/ryan/
      Description: A command-line audio file meta-data tagger. Sets id3 and/or 
vorbis tags in mp3, ogg, and flac files.
      License:     GPL-2

*  media-sound/cantus
      Latest version available: 20060206
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 400 kB
      Homepage:    http://www.debain.org/software/cantus/
      Description: Easy to use tool for tagging and renaming MP3 and 
OGG/Vorbis
files
      License:     GPL-2

*  media-sound/choad
      Latest version available: 0.822
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 7 kB
      Homepage:    http://ftso.org/choad/index1.html
      Description: a command-line, Perl-based 
CD-ripping-ID3-tagging-and-mp3-encoding utility
      License:     Artistic

*  media-sound/cowbell
      Latest version available: 0.2.7.1
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 1,309 kB
      Homepage:    http://more-cowbell.org
      Description: Elegantly tag and rename mp3/ogg/flac files
      License:     GPL-2

*  media-sound/easytag
      Latest version available: 1.99.12
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 3,905 kB
      Homepage:    http://easytag.sourceforge.net/
      Description: EasyTAG mp3/ogg ID3 tag editor
      License:     GPL-2

*  media-sound/id3
      Latest version available: 0.12-r1
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 12 kB
      Homepage:    http://lly.org/~rcw/abcde/page/
      Description: changes the id3 tag in an mp3 file

  media-sound/id3ed
      Latest version available: 1.10.4
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 92 kB
      Homepage:    http://www.dakotacom.net/~donut/programs/id3ed.html
      Description: ID3 tag editor for mp3 files
      License:     GPL-2

*  media-sound/id3tool
      Latest version available: 1.2
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 112 kB
      Homepage:    http://nekohako.xware.cx/id3tool/
      Description: A command line utility for easy manipulation of the ID3 
tags present in MPEG Layer 3 audio files
      License:     GPL-2

*  media-sound/id3v2
      Latest version available: 0.1.11
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 153 kB
      Homepage:    http://id3v2.sourceforge.net/
      Description: A command line editor for id3v2 tags.
      License:     GPL-2

 media-sound/kid3
      Latest version available: 0.6
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 2,529 kB
      Homepage:    http://kid3.sourceforge.net/
      Description: A simple ID3 tag editor for QT/KDE.
      License:     GPL-2

*  media-sound/madman [ Masked ]
      Latest version available: 0.93
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 1,606 kB
      Homepage:    http://madman.sourceforge.net/
      Description: MP3 organizer/ID3 tag-editor extraordinaire
      License:     GPL-2

*  media-sound/mp3info
      Latest version available: 0.8.4-r2
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 37 kB
      Homepage:    http://ibiblio.org/mp3info/
      Description: An MP3 technical info viewer and ID3 1.x tag editor
      License:     GPL-2

*  media-sound/musicman
      Latest version available: 0.15
      Latest version installed: [ Not Installed ]
      Size of downloaded files: 1,423 kB
      Homepage:    http://musicman.sourceforge.net/
      Description: A Konqueror plugin for manipulating ID3 tags in MP3 files
      License:     GPL-2


> ... and what about the time information? It is silly to have a 3 minute
> song with shows as days long and even negative duration :( (well, this
> could be an ``unsigned int'' issue.

I don't know how to fix it. But is it really so important? Do you watch the 
timing information while listening to the song?
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[sdoma]

On Fri, 2006-09-01 at 18:58 +0200, Hemmann, Volker Armin wrote:
> > Could you point me to some of the "lots of tools" you mentioned?
> 
> media-sound/audiotag
>       Latest version available: 0.15
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 14 kB
>       Homepage:    http://www.tempestgames.com/ryan/
>       Description: A command-line audio file meta-data tagger. Sets id3 and/or 
> vorbis tags in mp3, ogg, and flac files.
>       License:     GPL-2
> 
> *  media-sound/cantus
>       Latest version available: 20060206
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 400 kB
>       Homepage:    http://www.debain.org/software/cantus/
>       Description: Easy to use tool for tagging and renaming MP3 and 
> OGG/Vorbis
> files
>       License:     GPL-2
> 
> *  media-sound/choad
>       Latest version available: 0.822
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 7 kB
>       Homepage:    http://ftso.org/choad/index1.html
>       Description: a command-line, Perl-based 
> CD-ripping-ID3-tagging-and-mp3-encoding utility
>       License:     Artistic
> 
> *  media-sound/cowbell
>       Latest version available: 0.2.7.1
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 1,309 kB
>       Homepage:    http://more-cowbell.org
>       Description: Elegantly tag and rename mp3/ogg/flac files
>       License:     GPL-2
> 
> *  media-sound/easytag
>       Latest version available: 1.99.12
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 3,905 kB
>       Homepage:    http://easytag.sourceforge.net/
>       Description: EasyTAG mp3/ogg ID3 tag editor
>       License:     GPL-2
> 
> *  media-sound/id3
>       Latest version available: 0.12-r1
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 12 kB
>       Homepage:    http://lly.org/~rcw/abcde/page/
>       Description: changes the id3 tag in an mp3 file
> 
>   media-sound/id3ed
>       Latest version available: 1.10.4
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 92 kB
>       Homepage:    http://www.dakotacom.net/~donut/programs/id3ed.html
>       Description: ID3 tag editor for mp3 files
>       License:     GPL-2
> 
> *  media-sound/id3tool
>       Latest version available: 1.2
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 112 kB
>       Homepage:    http://nekohako.xware.cx/id3tool/
>       Description: A command line utility for easy manipulation of the ID3 
> tags present in MPEG Layer 3 audio files
>       License:     GPL-2
> 
> *  media-sound/id3v2
>       Latest version available: 0.1.11
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 153 kB
>       Homepage:    http://id3v2.sourceforge.net/
>       Description: A command line editor for id3v2 tags.
>       License:     GPL-2
> 
>  media-sound/kid3
>       Latest version available: 0.6
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 2,529 kB
>       Homepage:    http://kid3.sourceforge.net/
>       Description: A simple ID3 tag editor for QT/KDE.
>       License:     GPL-2
> 
> *  media-sound/madman [ Masked ]
>       Latest version available: 0.93
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 1,606 kB
>       Homepage:    http://madman.sourceforge.net/
>       Description: MP3 organizer/ID3 tag-editor extraordinaire
>       License:     GPL-2
> 
> *  media-sound/mp3info
>       Latest version available: 0.8.4-r2
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 37 kB
>       Homepage:    http://ibiblio.org/mp3info/
>       Description: An MP3 technical info viewer and ID3 1.x tag editor
>       License:     GPL-2
> 
> *  media-sound/musicman
>       Latest version available: 0.15
>       Latest version installed: [ Not Installed ]
>       Size of downloaded files: 1,423 kB
>       Homepage:    http://musicman.sourceforge.net/
>       Description: A Konqueror plugin for manipulating ID3 tags in MP3 files
>       License:     GPL-2
> 
> 
> > ... and what about the time information? It is silly to have a 3 minute
> > song with shows as days long and even negative duration :( (well, this
> > could be an ``unsigned int'' issue.
> 
> I don't know how to fix it. But is it really so important? Do you watch the 
> timing information while listening to the song?

Thanks a lot for the info. Well, the timing (indeed) isn't that
important. Just to know; if I have say 600MB of MP3 is this 8 hours, 10
hours, a day? Maybe amongst the tools you mentioned is one which enables
me to get this info out of a playlist.

Thanks onesmore
Frank


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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Martins Steinbergs]

On Friday 01 September 2006 19:58, Hemmann, Volker Armin wrote:
> On Friday 01 September 2006 18:21, sdoma wrote:
> > On Fri, 2006-09-01 at 18:12 +0200, Hemmann, Volker Armin wrote:
> > > On Friday 01 September 2006 17:47, sdoma wrote:
> > > > Hi,
> > > >
> > > > I got some MP3 files which seem not to be properly coded. The
> > > > Interpret/Title information is missing for some, other show very ugly
> > > > time information in XMMS ( -234567:21, 893767:13 i.e.) but the
> > > > frame/duration in the MP3 info is correct.
> > > >
> > > > Are there any tools (preferred command line) to decode the MP3 (get a
> > > > raw audio file, wav or something similar) and in turn to code the MP3
> > > > with the proper information?
> > >
> > > even if there are tools - don't do it.
> > >
> > > The artist/title info is in the id4 tags - you can edit them with lots
> > > of tools, even inside most players. No need to recode them.
> > >
> > > And recoding: mp3 is a lossy format. If you turn them into wavs you
> > > have not only wavs based on reduced information, you remove the stuff
> > > that makes mp3 sound 'better' than they are. If you encode them again,
> > > you are removing more information.
> > >
> > > So after such a circle the sound quality would be worse. A lot worse.
> > > Hardly bearable worse.
> > >
> > > Just say no to recoding.
> >
> > Thanks for the hint.I've wodered about too if I can live with the
> > quality loss. I cann say that only if I try.
> > Well, I've tried to edit the ID4 within XMMS. I can edit this but
> > without changing the file. Saying this : I edit the tag, save it and
> > nothing changes.
> > Could you point me to some of the "lots of tools" you mentioned?
>

>
> > ... and what about the time information? It is silly to have a 3 minute
> > song with shows as days long and even negative duration :( (well, this
> > could be an ``unsigned int'' issue.
>
> I don't know how to fix it. But is it really so important? Do you watch the
> timing information while listening to the song?

to fix timing there is script Mp3Fixer for amarok

Mp3Fixer (v0.9.4)
About:
Mp3Fixer is a script for repairing MP3 files which display a bogus track 
length or bitrate in your audio player. 
For example, if you have a track that you know is really five minutes long, 
but amaroK shows the length as one hour, then this script is for you. 
Mp3Fixer calculates the real track length and adds the missing XING header to 
the file. Additionally, Mp3Fixer is capable of repairing broken MPEG header 
frames. 


see also in portage:

media-sound/mpck
Checks MP3s for errors

media-sound/vbrfixc
Vbrfix fixes MP3s and re-constructs VBR headers



-- 
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 20:53:00 up 10:06,  6 users,  load average: 1.23, 0.76, 0.45
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Richard Fish]

On 9/1/06, Hemmann, Volker Armin <volker.armin.hemmann@tu-clausthal.de> wrote:
> And recoding: mp3 is a lossy format. If you turn them into wavs you have not
> only wavs based on reduced information, you remove the stuff that makes mp3
> sound 'better' than they are. If you encode them again, you are removing more
> information.

Minor technical correction: wav formats are not even compressed, much
less lossy.  So converting from an mp3 to a wav (which is really just
PCM audio with a header attached) is very much like playing the mp3
through your speakers.  There should be no difference between playing
a wav generated from the mp3 and playing the mp3 itself.

But the point of what you said is correct...the wav file will not have
the same quality as the original recording that the mp3 was generated
from, and an mp3 generated from it will have even lower quality.
Although I suspect that most people couldn't tell the difference
between a 1st gen and 3rd gen mp3 if the bitrate is high enough.  When
I download stuff from iTunes, record it to CD, and then rip to ogg, I
certainly can't tell any difference between the 3 versions.

To answer the OP, I've used sox in the past to convert between
formats.  It can also apply lots of other transformations (noise
filters, volume normalization, tempo adjustments, etc) to the files.

-Richard
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[darren kirby]

[-- Attachment #1: Type: text/plain, Size: 1891 bytes --]

quoth the Hemmann, Volker Armin:
> On Friday 01 September 2006 17:47, sdoma wrote:
>
> even if there are tools - don't do it.
>
> The artist/title info is in the id4 tags - you can edit them with lots of
> tools, even inside most players. No need to recode them.

This is true, no need to re-encode just to fix tags.

> And recoding: mp3 is a lossy format. If you turn them into wavs you have
> not only wavs based on reduced information, you remove the stuff that makes
> mp3 sound 'better' than they are. If you encode them again, you are
> removing more information.
>
> So after such a circle the sound quality would be worse. A lot worse.
> Hardly bearable worse.

I am well aware of encoding/re-encoding between lossy formats but I still 
don't buy this. I habitually re-encode all formats to my preferred Ogg Vorbis 
format and have not once been overly (or even slightly) disappointed with the 
results. Unless one is the hardest-core of audiophiles with tens of thousands 
of dollars worth of stereo equipment I doubt they will either.

"Hardly bearable"? Maybe if you have the ears of a dog. If you start with a 
decent bitrate in the first place (128+) I don't see a difference with naked 
ears at all.

> Just say no to recoding.

Nice blanket statement. Better advice to the OP: try it. Save the originals. 
Listen to both. Can you live with it? Make up your own mind....

Shameless plug: I have written a ruby script to re-encode between various 
formats: http://badcomputer.org/unix/code/sneetchalizer/

It will allow you to encode mp3 -> mp3 among others. (Ogg, M4a, Wma, Flac).
Undoubtably this is Hemmann's worst nightmare...

-d
-- 
darren kirby :: Part of the problem since 1976 :: http://badcomputer.org
"...the number of UNIX installations has grown to 10, with more expected..."
- Dennis Ritchie and Ken Thompson, June 1972

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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Hemmann, Volker Armin]

On Friday 01 September 2006 21:23, darren kirby wrote:

> "Hardly bearable"? Maybe if you have the ears of a dog. If you start with a
> decent bitrate in the first place (128+) I don't see a difference with
> naked ears at all.

I hear the fine high pitch sound of TVs and I hear the fine high noise of 
marten repellants. So yes, I have the ears of a dog.
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Arturo 'Buanzo' Busleiman]

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Hemmann, Volker Armin wrote:
> I hear the fine high pitch sound of TVs and I hear the fine high noise of 
> marten repellants. So yes, I have the ears of a dog.

You are not alone boy! I used to get to my girlfriend's house, and although the TV was many rooms
away I usually said "hey, you're watching tv. I got beer!" :)

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Consultor en Seguridad Informatica - http://www.buanzo.com.ar
http://www.vivamoslavida.com.ar - Portal no-comercial del buen vivir!
for f in www blog linux-consulting vpnmail; do firefox http://$f.buanzo.com.ar ; done
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Hemmann, Volker Armin]

On Saturday 02 September 2006 01:14, Arturo 'Buanzo' Busleiman wrote:
> Hemmann, Volker Armin wrote:
> > I hear the fine high pitch sound of TVs and I hear the fine high noise of
> > marten repellants. So yes, I have the ears of a dog.
>
> You are not alone boy! I used to get to my girlfriend's house, and although
> the TV was many rooms away I usually said "hey, you're watching tv. I got
> beer!" :)

I have to admit, it got 'better' in the last couple of years - but as child, I 
could not sleep when my parents watched TV. Not because of the program - I 
did not hear the voices or music, but that sound.

Thanks to the fact, that TV manufacturers like to buy the cheapest parts they 
can get, all TVs make that noise, and I had lots and lots of sleepless 
nights.

Today it is just good enough for 'somebody is watching tv' when I visit my 
family.
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[darren kirby]

[-- Attachment #1: Type: text/plain, Size: 931 bytes --]

quoth the Hemmann, Volker Armin:
> On Friday 01 September 2006 21:23, darren kirby wrote:
> > "Hardly bearable"? Maybe if you have the ears of a dog. If you start with
> > a decent bitrate in the first place (128+) I don't see a difference with
> > naked ears at all.
>
> I hear the fine high pitch sound of TVs and I hear the fine high noise of
> marten repellants. So yes, I have the ears of a dog.

Wow, that's really something. Maybe it was all the heavy-metal concerts I went 
to when I was young that broke my ears ;)

I don't know whether to feel happy or sad for you. Do you find it is generally 
good to have super-hearing or generally bad? I am not trying to be an ass, I 
am genuinely curious...

-d
-- 
darren kirby :: Part of the problem since 1976 :: http://badcomputer.org
"...the number of UNIX installations has grown to 10, with more expected..."
- Dennis Ritchie and Ken Thompson, June 1972

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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[kashani]

Hemmann, Volker Armin wrote:
> On Saturday 02 September 2006 01:14, Arturo 'Buanzo' Busleiman wrote:
>> Hemmann, Volker Armin wrote:
>>> I hear the fine high pitch sound of TVs and I hear the fine high noise of
>>> marten repellants. So yes, I have the ears of a dog.
>> You are not alone boy! I used to get to my girlfriend's house, and although
>> the TV was many rooms away I usually said "hey, you're watching tv. I got
>> beer!" :)
> 
> I have to admit, it got 'better' in the last couple of years - but as child, I 
> could not sleep when my parents watched TV. Not because of the program - I 
> did not hear the voices or music, but that sound.
> 
> Thanks to the fact, that TV manufacturers like to buy the cheapest parts they 
> can get, all TVs make that noise, and I had lots and lots of sleepless 
> nights.
> 
> Today it is just good enough for 'somebody is watching tv' when I visit my 
> family.

	Tends to go away as you get older and start experiencing high frequency 
hearing loss. The loss tends to be more extreme if you're male. 
Concerts, firearms, motor sports, and continuous droning like A/C 
systems without earplugs will hasten your loss as well. Being in my 
thirties and having abused my ears with all the above at points I hardly 
ever hear the "TV noise" these days.

kashani
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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[sdoma]

Well,

seeing where this thread tends to ;) ...
It seems my problems are related to XMMS bugs. I can edit the
Interpret/Title/Album info from "Amarok". Amarok shows the track lengths
correct and the "Fixmp3" tool Martin pointed to says that there are no
errors in the tracks.

Thanks for your help
Frank

On Fri, 2006-09-01 at 17:47 +0200, sdoma wrote:
> Hi,
> 
> I got some MP3 files which seem not to be properly coded. The
> Interpret/Title information is missing for some, other show very ugly
> time information in XMMS ( -234567:21, 893767:13 i.e.) but the
> frame/duration in the MP3 info is correct.
> 
> Are there any tools (preferred command line) to decode the MP3 (get a
> raw audio file, wav or something similar) and in turn to code the MP3
> with the proper information?
> 
> Will I depend on some use flags (encode?).
> 
> Thanks for any hint
> Frank
> 
> 

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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Mick]

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On Saturday 02 September 2006 04:54, kashani wrote:
> Hemmann, Volker Armin wrote:
> > On Saturday 02 September 2006 01:14, Arturo 'Buanzo' Busleiman wrote:
> >> Hemmann, Volker Armin wrote:
> >>> I hear the fine high pitch sound of TVs and I hear the fine high noise
> >>> of marten repellants. So yes, I have the ears of a dog.
> >>
> >> You are not alone boy! I used to get to my girlfriend's house, and
> >> although the TV was many rooms away I usually said "hey, you're watching
> >> tv. I got beer!" :)
> >
> > I have to admit, it got 'better' in the last couple of years - but as
> > child, I could not sleep when my parents watched TV. Not because of the
> > program - I did not hear the voices or music, but that sound.
> >
> > Thanks to the fact, that TV manufacturers like to buy the cheapest parts
> > they can get, all TVs make that noise, and I had lots and lots of
> > sleepless nights.
> >
> > Today it is just good enough for 'somebody is watching tv' when I visit
> > my family.
>
> 	Tends to go away as you get older and start experiencing high frequency
> hearing loss. The loss tends to be more extreme if you're male.
> Concerts, firearms, motor sports, and continuous droning like A/C
> systems without earplugs will hasten your loss as well. Being in my
> thirties and having abused my ears with all the above at points I hardly
> ever hear the "TV noise" these days.

I started losing the higher frequencies on my right ear when I was playing the 
drums with a rock band in my early twenties.  I had a large crash cymbal on 
the right hand side of my set which would cause me physical pain every time I 
used it.  Stupidly enough I did not wear ear plugs.  But that's nothing 
really compared to when you get married:  mysteriously you become profoundly 
deaf to the frequencies of the female voice . . .  :))
-- 
Regards,
Mick

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Re: [gentoo-user] [OT] Decoding / encoding mp3 files

[Hemmann, Volker Armin]

On Saturday 02 September 2006 03:53, darren kirby wrote:
> quoth the Hemmann, Volker Armin:
> > On Friday 01 September 2006 21:23, darren kirby wrote:
> > > "Hardly bearable"? Maybe if you have the ears of a dog. If you start
> > > with a decent bitrate in the first place (128+) I don't see a
> > > difference with naked ears at all.
> >
> > I hear the fine high pitch sound of TVs and I hear the fine high noise of
> > marten repellants. So yes, I have the ears of a dog.
>
> Wow, that's really something. Maybe it was all the heavy-metal concerts I
> went to when I was young that broke my ears ;)
>
> I don't know whether to feel happy or sad for you. Do you find it is
> generally good to have super-hearing or generally bad? I am not trying to
> be an ass, I am genuinely curious...
>

when my neighbour installed his new repellant, I was very annoyed... and not 
be able to sleep, because someone watches TV is not great either.

So a lot of times it was not great to be able to hear high frequencies. 
Sometimes it is great (think organ concert in church with great accustics 
etc, think sister watches tv when she shouldn't). but sometimes it is close 
to painfull.

Luckily (?) it goes away when you get older...  and I don't hear them as loud 
as 5 or 10 years ago. Nowadays it is ok. I still hear them, but they are not 
annoying anymore.
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