Splitting Channels in Mp3 : Is it possible?

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DeinReich
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Post by DeinReich » Fri Jul 22, 2005 3:37 pm

maciko wrote:
SOAD2k8 wrote:He doesn't mean L/R channels, he means a voice track and an instrumental track, much like what you would see in a Mixcraft project.
http://dictionary.reference.com/search?r=2&q=sarcasm
Oooo, its hard to tell if someone is sarcastic or not online unless its painfully obvious, my bad.
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madmallard
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Post by madmallard » Sat Jul 23, 2005 12:39 pm

roberto_maravilha wrote:Thank you all...I didn't have high hopes on this...damn...XD...well, that's life...once again thank you all!
if you have a lite edition of nero, it came with a simple set of wave editing tools with a graphic eq and some filters. give that a try if you feel like it. It won't be a quick fix, you'll have to tinker with it for a while.


The sucky thing about audio editing is that looking at a waveform doesn't translate into an audio representation to most people...so its hard to guage what you've got without just listening...
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madmallard
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Post by madmallard » Sat Jul 23, 2005 12:45 pm

SOAD2k8 wrote:
sixstop wrote:there are no 'tracks' in an mp3.

An mp3 is a buncha data, and that data is used to generate a WAV. there are usually no 'tracks' in a WAV either.
WAVs can be used to generate MP3, but traditionally MP3s dont generate WAVs. Another technique you can try is using the Vocal Remover plugin for Winamp and inverting the channels, thats pretty tough to do since it doesn't directly change the equalizer bars in Winamp.
Waveforms are compressed into an mp3. an mp3 file is nothing but compressed data. There are no Waveforms in an mp3, just data.

When you playback an mp3, you're playing it through a de-compressor (winamp)that is taking that data and rendering a new waveform on the fly, and its making its best guess on what the waveform should look like based on the compressed data being fed through the decompressor, as well as the parameters in the mp3 header (data rate, sampling rate, freq resp, etc...)

Same thing if you try to edit it. You're not actually editing the mp3 in premier, you can't because its raw data, not a waveform. Premier decompresses it into a usable waveform on the fly (albiet usually poorly) and edits the waveform.

then when you render your project, (if any edits to audio) it recompresses the waveform again.

So, yes, you use a *.wav file to make an mp3. But the mp3 data is used to make WAV and waveforms we can hear.
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DeinReich
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Post by DeinReich » Sat Jul 23, 2005 1:41 pm

sixstop wrote:
SOAD2k8 wrote:
sixstop wrote:there are no 'tracks' in an mp3.

An mp3 is a buncha data, and that data is used to generate a WAV. there are usually no 'tracks' in a WAV either.
WAVs can be used to generate MP3, but traditionally MP3s dont generate WAVs. Another technique you can try is using the Vocal Remover plugin for Winamp and inverting the channels, thats pretty tough to do since it doesn't directly change the equalizer bars in Winamp.
Waveforms are compressed into an mp3. an mp3 file is nothing but compressed data. There are no Waveforms in an mp3, just data.

When you playback an mp3, you're playing it through a de-compressor (winamp)that is taking that data and rendering a new waveform on the fly, and its making its best guess on what the waveform should look like based on the compressed data being fed through the decompressor, as well as the parameters in the mp3 header (data rate, sampling rate, freq resp, etc...)

Same thing if you try to edit it. You're not actually editing the mp3 in premier, you can't because its raw data, not a waveform. Premier decompresses it into a usable waveform on the fly (albiet usually poorly) and edits the waveform.

then when you render your project, (if any edits to audio) it recompresses the waveform again.

So, yes, you use a *.wav file to make an mp3. But the mp3 data is used to make WAV and waveforms we can hear.
Interesting, guess you learn something new every day. Anyways, i have Nero Wave Editor and it doesn't do any sort of changes to even quiet down the instrumentals in the background. I couldn't find anything in the few hours i tried to find a way to do it in that program.
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Post by madmallard » Sat Jul 23, 2005 5:47 pm

hmmm.. i didn't muck with it much meself, i've got soundforge, full and XP.

I just found it one day by accident when I was trying to burn a cd and wanted to edit the song. I thought it would bring up soundforge, ;p
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DeinReich
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Post by DeinReich » Sat Jul 23, 2005 7:08 pm

its really only good if you want to combine parts of songs together, but thats it.
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