Author Topic: Need MP3 to MIDI and MIDI to sheet music converters  (Read 5010 times)

gman19

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Need MP3 to MIDI and MIDI to sheet music converters
« on: June 02, 2007, 08:01:07 pm »
I've got some songs that I would LOVE to perform in band next year and I can't find the sheet music for my directors. However, I have the MP3 files of the songs and know that I can convert them to MIDI format then run that through another converter to get the sheet music for them. And no, converting music files to other formats is not illegal, nor is extracting sheet music for them. It's only illegal if I try to sell them, which I won't.

I've tried Google for these programs, but I can't get anything that's free AND full-featured enough to be helpful. Anybody know of anything I can use? Thanks in advance.
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Paradox

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #1 on: June 02, 2007, 11:58:33 pm »
AAH, Midi from MP3. Dont do it, you will want to rip out your eyes.

I think the newest version of Lilipad (the unix command line music printer) has reverse MIDI transcription.

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gman19

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #2 on: June 03, 2007, 12:33:26 am »
Quote from: "Paradox"
AAH, Midi from MP3. Dont do it, you will want to rip out your eyes.

I think the newest version of Lilipad (the unix command line music printer) has reverse MIDI transcription.


DAMMIT!!!!!!!!

GODDAMMIT!!!!!!!!!

I WANNA TEAR THE LIVING SHIT OUTTA SOMETHING!!!!!!!!

Damn, I've spent this entire afternoon trying to find a free, working MP3 to MIDI converter and am about ready to commit a series of mass-murders. Rephrase; mass-castrations. I'm so fuckin' pissed off!

Is there anything I can use on Windows that will let me convert a WAV, OGG, MP3, WMA, or other _conventional_ format to MIDI without giving me any shit? I LimeWired some things, came up with this program called "intelliScore Ensemble". Lemme tell ya; that'll make you wanna blow some balls off with a goddamned rocket launcher.

You've gotta load up your WAV file, then select which instruments are in the file, then select which channel each instrument is on, then wait 5 minutes for it to convert the file, then see if it recorded right (which it never does), then you do it all over again.

So, is it possible to get this Lilipad thing for Windows? Or is it Unix only?
i]"We practice selective annihilation of mayors and government officials, for example, to create a vacuum. Then we fill that vacuum. As popular war increases, peace is closer."[/i] -Peruvian insurgent general

Paradox

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #3 on: June 03, 2007, 12:59:47 am »
Do you have cygwin? Because cygwin has lilipad on it, and it runs on windows.

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gman19

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #4 on: June 03, 2007, 03:05:03 am »
Okay...I got cygwin; now how do I get lilipad on it?
i]"We practice selective annihilation of mayors and government officials, for example, to create a vacuum. Then we fill that vacuum. As popular war increases, peace is closer."[/i] -Peruvian insurgent general

Diggs

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #5 on: June 03, 2007, 04:44:00 pm »
gman it appears you don't know what you are asking.  A midi file is a data file that tells the playback what instrument sound, pitch, timbre, duration, etc. of each sound.  There is no program that can pull that from a .wav or .mp3 file.  That is why a midi file can be encoded to sheet music.  The data is there as far as what note, duration, etc.  That is also why you would have to tell the software what instrument on what channel.  That is a standard midi process.  When I record midi from my keyboards, it may be coming out as strings, but if I told the software on my PC it is a cowbell, that is what is being recorded.  Also that is why a song in midi is only a 50K file, not 100 MB.  It's only data, not sound.
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gareth

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #6 on: June 03, 2007, 05:51:56 pm »
i think you could convert mp3 to midi, what diggs said makes no sense.

Diggs

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #7 on: June 03, 2007, 06:13:13 pm »
Quote from: "gareth"
i think you could convert mp3 to midi, what diggs said makes no sense.


Sorry I am not more clear, but if you think this is possible, you do not have an understanding of midi structure.

Go here-
http://en.wikipedia.org/wiki/Midi

It seems you have never worked with midi before.  Once you have an understanding of midi and work with it, it will become apparent that what is trying to be done simply be gman is a very complicated and almost impossible process.

An analogy for computers would be to process a bitmap image in a vector based program or enviroment.
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gareth

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #8 on: June 03, 2007, 06:18:00 pm »
midis use a soundbank... i dont see why you couldnt sconvert an mp3 to midi, you might not get a perfect copy though.

pretty good anology i think though, you can process a bitmap to extract some vectors from it, you just might not get the same vectors used to create the vector file from which the bitmap was created.

rdizzle

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Need MP3 to MIDI and MIDI to sheet music converters
« Reply #9 on: June 04, 2007, 05:39:31 pm »
it's fairly common to extract pitch information from audio files containing monophonic music using FFT windows, but polyphonic pitch extractions is basically near impossible.

also wav and mp3 files are waveform formats, they contain sample information that make up the audio waveform.  They contain no pitch information.

midi is only pitch and time volume etc. and contains no waveform information, thus why you need a samplebank or an instrument to hear a midi file.

finally the reason it is hard to get a resonable polyphonic pitch extraction (computer based, I can transcribe with my ears) is that the computer has to be programmed to "hear" different timbres of sound and isolate the pitch information by timbre.

basically you need a supercomputer to do what you are asking.