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Convert mp3 folderwise, [TOS #6: moved from General Audio]
flel
post Apr 6 2013, 14:47
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Dear all,

I would like to convert from mp3 to mp3. Thereby remaining the original folder and sub-folder structure. Moreover, conversion should only take place for selected files. The latter can easily achieved by adding the corresponding column and only select the ones I intend to convert.

My issue: The new file should be at the same place as the original file but the original file should either be deleted or overwritten. Selecting the overwrite option not work, a deleting source file option does not seem to be available.

any thoughts?

Thanks and regards
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Gecko
post Apr 6 2013, 14:55
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What tool are you using?

Also: re-encoding mp3 is generally not recommended.

This post has been edited by Gecko: Apr 6 2013, 14:55
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Propheticus
post Apr 6 2013, 15:32
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QUOTE (Gecko @ Apr 6 2013, 15:55) *
re-encoding mp3 is generally not recommended.


^This. MP3 to MP3 degrades quality. Better use an original source (CD) or a lossless format (WAV/FLAC/...etc) to make new mp3's from.

To do what you described TAudioConverter (google it) might do the job. Pay attention to the folder structure options in the encoding settings.
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flel
post Apr 6 2013, 16:09
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Thanks so far.

I have several mp3's with 320kbit/sec which I want to downsize. You reckon I should not do it?
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o-l-a-v
post Apr 6 2013, 16:30
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QUOTE (flel @ Apr 6 2013, 16:09) *
Thanks so far.

I have several mp3's with 320kbit/sec which I want to downsize. You reckon I should not do it?


You can use mp3repacker to squeeze out some bits losslessly.
Lossy to lossy is not recommended. Its not for sure you will hear a difference so test for yourself (ABX). If its good enough for you, then go for it.

This post has been edited by o-l-a-v: Apr 6 2013, 16:30
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db1989
post Apr 6 2013, 16:33
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You can do it, but it will degrade the quality of the audio. Whether or not that will matter to you is a question that can only be answered by a double-blind listening test. These subjects have been discussed many times; searching for previous threads should be informative.

QUOTE (flel @ Apr 6 2013, 14:47) *
My issue: The new file should be at the same place as the original file but the original file should either be deleted or overwritten. Selecting the overwrite option not work, a deleting source file option does not seem to be available.
The overwrite option where? Did you forget to tell us which program youíre talking about? Should we guess that itís foobar2000? I ask because you originally posted this in General Audio, which a number of people end up using after missing the dedicated subforum for fb2k.
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DonP
post Apr 6 2013, 17:01
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QUOTE (flel @ Apr 6 2013, 08:47) *
My issue: The new file should be at the same place as the original file but the original file should either be deleted or overwritten. Selecting the overwrite option not work, a deleting source file option does not seem to be available.


I don't have a big problem with making small mp3's from 320kb mp3's if you need small ones, but trashing your source material in the process? Ewwww!

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Porcus
post Apr 7 2013, 09:44
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As others have pointed out, lossless --> 320 --> 128 is much more likely to produce audible artifacts than lossless --> 128. In fact, there is also a generation loss when doing --> 128 --> 320.

As for mp3packer, there is also the WinMP3packer Windows front-end. Read more: http://wiki.hydrogenaudio.org/index.php?title=MP3packer . Get it, replace the mp3packer.exe with the newest version, set the -z flag, keep folder structure, wait and bit-verify afterwards to be sure. 320 is certainly where most could be saved on using mp3packer, often some ten percent certain (usually older) files – I once got a file down to 256. I think mp3packer has saved me a mighty $4 of hard disk space :-o well and maybe postponed an upgrade by at least one price drop.

(... unless it is for near-full portable devices, mp3 repacking is not saving much money, no. I was rather driven by curiosity. Still today some labels seem encode using a “fast” innefficient option. Likely of utter ignorance.)

This post has been edited by Porcus: Apr 7 2013, 10:06


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flel
post Apr 9 2013, 17:22
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any program with a GUI available?
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db1989
post Apr 9 2013, 17:26
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A GUI to do what? Convert or pack? In either case, yes. Since you didnít answer my question of whether you were referring to foobar2000 in this unspecified program where ďa deleting source file option does not seem to be availableĒ, Iíll assume you werenít. There: foobar2000 can do the conversion for you. Search for information on the process; it has been well-documented already. As for MP3packer, it provides a GUI already, so again, a bit of reading can show you what to do.
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