I want to convert mp3 files to midi files. I've tried several softwares
but none of them work very well at all. Any suggestions?

"BootTuda" wrote in message
oups.com...
I want to convert mp3 files to midi files. I've tried several softwares
but none of them work very well at all. Any suggestions?

I suggest you learn what an MP3 file is, and what a MIDI file is, an come to
realise how (apart from a very basis monotonic function) that is is simply
not possible.


geoff

BootTuda wrote:
I want to convert mp3 files to midi files. I've tried several softwares
but none of them work very well at all. Any suggestions?

Strong suggestion: Sit down and transcribe by hand. This is a very hard
problem for a machine. Programs can do an adequate job on SIMPLE inputs
-- a single line of melody with relatively straightforward harmonics on
each note -- but doing better than that takes a LOT of processing power
and a lot of program sophistication... and more than a little
guesswork... followed by manual correction of the transcription.

On Tue, 03 Jan 2006 18:28:50 -0800, BootTuda wrote:

I want to convert mp3 files to midi files. I've tried several softwares
but none of them work very well at all. Any suggestions?

I assume you realize that converting an mp3 file to a midi file is not
just a matter of format conversion. It requires a form of intelligence.
In effect, the software need to listen to the music and determine from
that exactly what the musicians were doing. It's analogous to OCR, but
much harder. I do not follow this area, but as far as I know, none of the
software programs that attempt to do this are very useful.

Does anyone here have an idea of how large the demand would be for such
a program if it were good? Suppose I had a program that could transcribe
a symphony, or a pop single, or whatever, with something better than 95%
accuracy. Would there be a lucrative market for it?

"Hamad bin Turki Salami" wrote in
message news
On Tue, 03 Jan 2006 18:28:50 -0800, BootTuda wrote:

I want to convert mp3 files to midi files. I've tried several softwares
but none of them work very well at all. Any suggestions?

I assume you realize that converting an mp3 file to a midi file is not
just a matter of format conversion. It requires a form of intelligence.
In effect, the software need to listen to the music and determine from
that exactly what the musicians were doing. It's analogous to OCR, but
much harder. I do not follow this area, but as far as I know, none of the
software programs that attempt to do this are very useful.

Does anyone here have an idea of how large the demand would be for such
a program if it were good? Suppose I had a program that could transcribe
a symphony, or a pop single, or whatever, with something better than 95%
accuracy. Would there be a lucrative market for it?

It's just so completely opposite to what people are normally trying to
accomplish; ie. converting MIDI to MP3.

BootTuda wrote:

I want to convert mp3 files to midi files.

You can't.

I've tried several softwares
but none of them work very well at all. Any suggestions?

You find a brain first ?

Graham

ColdFrixion wrote:
It's just so completely opposite to what people are normally trying to
accomplish; ie. converting MIDI to MP3.

Remember: MP3 is an audio recording, MIDI is a score. Reading and
playing a score's a lot more straightforward than transcribing audio,
whether you're human or machine.

Hamad bin Turki Salami wrote:
Does anyone here have an idea of how large the demand would be for such
a program if it were good? Suppose I had a program that could transcribe
a symphony, or a pop single, or whatever, with something better than 95%
accuracy. Would there be a lucrative market for it?

There'd be a market. On the other hand, given the number of technical
problems you'd have to solve to make this work, anyone who could do this
could probably write their own ticket at one of the major
computer-science research labs.

BootTuda wrote:
I want to convert mp3 files to midi files. I've tried several softwares
but none of them work very well at all. Any suggestions?

You're going to have to do it by hand. Transcription is not an easy
job and it's not something that can be done automatically in software
with any degree of effectiveness.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."

"Joe Kesselman" wrote in message
...
ColdFrixion wrote:
It's just so completely opposite to what people are normally trying to
accomplish; ie. converting MIDI to MP3.

Remember: MP3 is an audio recording, MIDI is a score. Reading and playing
a score's a lot more straightforward than transcribing audio, whether
you're human or machine.

I agree, and I understand what MIDI and MP3 are respectively. I simply meant
people generally want to convert their score, which was inputted in
MIDI(most likely via some VSTi), to a format they can share with the world,
such as MP3.

I've been using the net for nearly a decade and have never seen a request
for a program that will convert (transcribe) an MP3 into MIDI format.

Does anyone here have an idea of how large the demand would be for such
a program if it were good? Suppose I had a program that could transcribe
a symphony, or a pop single, or whatever, with something better than 95%
accuracy. Would there be a lucrative market for it?

I don't think you could get the Nobel prize for it, but you'd come pretty
damn close. This is a problem that a lot of smart people have been working
hard on for the past forty years or so.
--scott


--
"C'est un Nagra. C'est suisse, et tres, tres precis."

Hamad bin Turki Salami wrote:

Does anyone here have an idea of how large the demand would
be for such a program if it were good?

Consider the problem of having just a simple band, singer, two guitars,
keyboards, bass, drums, and wanting to get it automatically
transscribed, perhaps also arranged for piano, recorder and voice.

Suppose I had a program that could transcribe
a symphony, or a pop single, or whatever, with
something better than 95% accuracy. Would there
be a lucrative market for it?

If it really worked, then perhaps. But consider the example above, it is
not likely to be easy to separate even that simple setup into a score
for each instrument. I can imagine it being somewhat simpler to aim for
a piano version, at least an order of magnitude simpler because it would
""almost"" only be about getting chords and tempo right, but then there
is the issue of whether it is at all playable.

Try making midi output from score writing software and then re-import it
and convert it back to notation and compare, it might not work quite as
well as you would expect.


Kind regards

Peter Larsen

--
*******************************************
* My site is at: http://www.muyiovatki.dk *
*******************************************

ColdFrixion wrote:
I've been using the net for nearly a decade and have never seen a request
for a program that will convert (transcribe) an MP3 into MIDI format.

I've seen many requests for transcription tools. But when the answer is
"unsolved problem", there isn't much *discussion* of them.

(Cakewalk currently includes a simple single-melodic line transcriber,
which will work tolerably well with harmonically simple instruments.
That much is doable. But you can't separate out the colors of paint
again once you've mixed them into brown.)