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Music Notation Parsing

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  • M Munchies_Matt

    You want software, that can hear a song, and transcribe each instrument, being able to recognise two different guitars, a guitar from a bass etc, in its right key, a key which is determined by the average of the notes played, and is not even always evident, into notes that depend on that key? Dream on, it is impossible.

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    Daniel Pfeffer
    wrote on last edited by
    #15

    Some humans can do it, so it must be possible.

    Freedom is the freedom to say that two plus two make four. If that is granted, all else follows. -- 6079 Smith W.

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    • M Munchies_Matt

      Pulling instruments out is impossible IMO, but the issue of key is crucial. Regardless of the same notation being used for various keys, if you cant tell the key, you cant score it in a standard way.

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      GenJerDan
      wrote on last edited by
      #16

      An AI system for editing music in videos | MIT News[^] Not perfect. And I don't see why they didn't gate the unwanted instruments, just kill anything below a certain threshold. But it's a start.

      We won't sit down. We won't shut up. We won't go quietly away. YouTube, VidMe and My Mu[sic], Films and Windows Programs, etc. and FB

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      • D Daniel Pfeffer

        Some humans can do it, so it must be possible.

        Freedom is the freedom to say that two plus two make four. If that is granted, all else follows. -- 6079 Smith W.

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        Munchies_Matt
        wrote on last edited by
        #17

        :) Such an assumption! You really do believe computers can do everything a human can dont you? Extraordinary belief!

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        • G GenJerDan

          An AI system for editing music in videos | MIT News[^] Not perfect. And I don't see why they didn't gate the unwanted instruments, just kill anything below a certain threshold. But it's a start.

          We won't sit down. We won't shut up. We won't go quietly away. YouTube, VidMe and My Mu[sic], Films and Windows Programs, etc. and FB

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          Munchies_Matt
          wrote on last edited by
          #18

          Have you seen the African made military jets? Apparently they have made a start: BBC - Future - Africa’s homemade aircraft builders[^]

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          • M Munchies_Matt

            :) Such an assumption! You really do believe computers can do everything a human can dont you? Extraordinary belief!

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            Daniel Pfeffer
            wrote on last edited by
            #19

            Munchies_Matt wrote:

            You really do believe computers can do everything a human can dont you?

            Except make more humans. That we'll still have to do for ourselves. :)

            Freedom is the freedom to say that two plus two make four. If that is granted, all else follows. -- 6079 Smith W.

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            • D Daniel Pfeffer

              Munchies_Matt wrote:

              You really do believe computers can do everything a human can dont you?

              Except make more humans. That we'll still have to do for ourselves. :)

              Freedom is the freedom to say that two plus two make four. If that is granted, all else follows. -- 6079 Smith W.

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              Munchies_Matt
              wrote on last edited by
              #20

              Computers are SO bad at thinking for themselves! They are slaves to a program written by a man. And that program has to think of everything! We dont even understand how our brains work, until we do we havent a hope in hell of replicating its ability/. (We dont even understand how a baby can be formed in just 9 months, heck, we dont even understand how anaesthetics work!)

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              • M MSBassSinger

                I may be totally wrong, but it seems that there should be a fairly good piece of software that can "listen" to a WAV or MP3 of a song, and transcribe (polyphonically) the various parts into staves of notes for that instrument. Anyone know of such an application? Anyone aware of one being developed using machine learning? Thanks in advance.

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                Pete Sykes
                wrote on last edited by
                #21

                AudioScore from Neuratron (Transcribe MP3s & CD Tracks with AudioScore) has been around for a while and offers a free demo (not sure if this is a trial period or a "can't save" version). I've no experience of it but their music OCR (PhotoScore) is pretty good.

                Cheers, Pete Sykes

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                • M Munchies_Matt

                  You want software, that can hear a song, and transcribe each instrument, being able to recognise two different guitars, a guitar from a bass etc, in its right key, a key which is determined by the average of the notes played, and is not even always evident, into notes that depend on that key? Dream on, it is impossible.

                  M Offline
                  M Offline
                  MSBassSinger
                  wrote on last edited by
                  #22

                  I already found several that do. They may not be able to differentiate an A440 by a guitar from a French Horn (though at least two do by analyzing timbre differences), but they all can analyze polyphonic musical sounds and differentiate. Welcome to the 21st century!

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                  • M MSBassSinger

                    I already found several that do. They may not be able to differentiate an A440 by a guitar from a French Horn (though at least two do by analyzing timbre differences), but they all can analyze polyphonic musical sounds and differentiate. Welcome to the 21st century!

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                    Munchies_Matt
                    wrote on last edited by
                    #23

                    MSBassSinger wrote:

                    an A440 by a guitar from a French Horn

                    So they dont work. Now, do they recognise the key the music is in?

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                    • M MSBassSinger

                      I may be totally wrong, but it seems that there should be a fairly good piece of software that can "listen" to a WAV or MP3 of a song, and transcribe (polyphonically) the various parts into staves of notes for that instrument. Anyone know of such an application? Anyone aware of one being developed using machine learning? Thanks in advance.

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                      M Offline
                      Member 10677024
                      wrote on last edited by
                      #24

                      I have used both Finale and Sibelius do to this with varying degrees of success depending upon the actual music. Both offer trials so that you can see if it works for you.

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                      • M Munchies_Matt

                        MSBassSinger wrote:

                        an A440 by a guitar from a French Horn

                        So they dont work. Now, do they recognise the key the music is in?

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                        MSBassSinger
                        wrote on last edited by
                        #25

                        Yes, they do work, and yes, they get the correct key.

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                        • M MSBassSinger

                          Yes, they do work, and yes, they get the correct key.

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                          Munchies_Matt
                          wrote on last edited by
                          #26

                          If they cant identify separate instruments they do what was asked. As for the correct key, prove it. :)

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                          • M Munchies_Matt

                            If they cant identify separate instruments they do what was asked. As for the correct key, prove it. :)

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                            MSBassSinger
                            wrote on last edited by
                            #27

                            Read the other posts. I have no need to feed the trolls today.

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                            • M MSBassSinger

                              Read the other posts. I have no need to feed the trolls today.

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                              Munchies_Matt
                              wrote on last edited by
                              #28

                              Ah, the old 'I already told you' gambit, when in fact you havent. I have of course read the posts, and no mention of an example of software that can identify the key, which is crucial to putting notes on a stave. So, I ask again. Waiting....

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                              • M Munchies_Matt

                                Pulling instruments out is impossible IMO, but the issue of key is crucial. Regardless of the same notation being used for various keys, if you cant tell the key, you cant score it in a standard way.

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                                DerekT P
                                wrote on last edited by
                                #29

                                I'm no musician but have a basic grasp. By your logic, it must therefore also be "impossible" for anyone to listen to a piece of music and transcribe it. I do know there are several tools (I've used some) that will take normal written music and re-write it in a different key. (The interface to do this was pretty complicated though, requiring the use of two keys pressed simultaneously; "shift" and either "up" or "down" as I recall) By implication, even if any automated tool gets the initial key "wrong" it would be a simple matter to adjust it into a more normally accepted key.

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                                • D DerekT P

                                  I'm no musician but have a basic grasp. By your logic, it must therefore also be "impossible" for anyone to listen to a piece of music and transcribe it. I do know there are several tools (I've used some) that will take normal written music and re-write it in a different key. (The interface to do this was pretty complicated though, requiring the use of two keys pressed simultaneously; "shift" and either "up" or "down" as I recall) By implication, even if any automated tool gets the initial key "wrong" it would be a simple matter to adjust it into a more normally accepted key.

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                                  Munchies_Matt
                                  wrote on last edited by
                                  #30

                                  No, because (some) people (after many years in music) are very good at recognising scales, mood, and hence the key.

                                  DerekTP123 wrote:

                                  take normal written music and re-write it in a different key

                                  This is simpler, much simpler. The notes and key are given. Trying to determine they key is difficult. For example, the key of G is a happy key. The key of E is moody and blue. A is simple, but fun. Deep Purple used G a lot. BLues uses E. ACDC used A a lot. How does a machine recognise mood? Emotion? And then the issue of taking apart the sound and determining which instruments are playing which notes. Very hard to do for a human ear who knows music, and knows the make up of the band already. For example it takes a good ear to recognise two guitars are playing a solo. It is often noticeable because the combination of notes is not physically possible to play. But you have to be a guitarist to recognise that. A computer program, well, it can only do what it is told. It can not interpret for itself and decide.

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                                  • M MSBassSinger

                                    I may be totally wrong, but it seems that there should be a fairly good piece of software that can "listen" to a WAV or MP3 of a song, and transcribe (polyphonically) the various parts into staves of notes for that instrument. Anyone know of such an application? Anyone aware of one being developed using machine learning? Thanks in advance.

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                                    Josh Bula
                                    wrote on last edited by
                                    #31

                                    If anyone is working on this, it would probably be the major music notation software companies like Notion, Make Music's "Finale", or Sibelius. Most of them already have this functionality for monophonic input through a microphone, but it's designed more for playing a wind instrument or singing rather than wav or mp3 input. Google "Finale MicNotator HyperScribe" to see some examples of how to do it with Finale. There is also a company called SeventhString that publishes a program called "Transcribe!" that can help you do your own transcription from an mp3 or wav file by marking the wav display with it's best guess as to what the notes and chords are, but it doesn't do direct audio-to-notation conversion. However, it does have a "piano roll view" that looks promising.

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                                    • M MSBassSinger

                                      I may be totally wrong, but it seems that there should be a fairly good piece of software that can "listen" to a WAV or MP3 of a song, and transcribe (polyphonically) the various parts into staves of notes for that instrument. Anyone know of such an application? Anyone aware of one being developed using machine learning? Thanks in advance.

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                                      alankempster
                                      wrote on last edited by
                                      #32

                                      I think this is usually done in two steps: audio>midi and then midi>notation. Some of the audio>midi software works OK for a single-note (monophonic) line, but the recognition of midi note pitches from polyphonic (multi-note, multi-instrument) audio is inevitably a lot less accurate (to put it mildly). A lot depends on the instrumentation in the audio file. Complex instruments with lots of harmonics are harder to work with than e.g. a simple pure flute sound. Maybe Intelliscore, Wavemid or WIDI?

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                                      • M MSBassSinger

                                        I may be totally wrong, but it seems that there should be a fairly good piece of software that can "listen" to a WAV or MP3 of a song, and transcribe (polyphonically) the various parts into staves of notes for that instrument. Anyone know of such an application? Anyone aware of one being developed using machine learning? Thanks in advance.

                                        M Offline
                                        M Offline
                                        MSBassSinger
                                        wrote on last edited by
                                        #33

                                        I plan to take the trial versions of the software titles recommended in this thread, and try them out this weekend. Then I can report on how well they worked, given the same MP3. Trolls will be allowed to eat at that meal. :)

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                                        • A alankempster

                                          I think this is usually done in two steps: audio>midi and then midi>notation. Some of the audio>midi software works OK for a single-note (monophonic) line, but the recognition of midi note pitches from polyphonic (multi-note, multi-instrument) audio is inevitably a lot less accurate (to put it mildly). A lot depends on the instrumentation in the audio file. Complex instruments with lots of harmonics are harder to work with than e.g. a simple pure flute sound. Maybe Intelliscore, Wavemid or WIDI?

                                          M Offline
                                          M Offline
                                          MSBassSinger
                                          wrote on last edited by
                                          #34

                                          I agree. As an amateur musician (full time software engineer), if the software can get me 80% or better on the notes, I can sort out the instruments from hearing the song if the software can't get it. As for the key signature, if I can't spot a key signature and key change from the accidentals in a C key signature, then I should not be arranging music.

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