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  1. #1
    Registered User
    Join Date
    Aug 2003
    Posts
    6

    sp-midi - Urgent!

    Hi,

    I wonder what the file extension for sp-midi is. Is it the same as for midi files (*.midi)? In that case, why is there a special MIME type for sp-midi files?

    Thanks

    Maria

  2. #2
    Super Contributor
    Join Date
    Mar 2003
    Location
    Tampere, Finland
    Posts
    1,115
    Hi,

    File extension for all MIDI content, including SP-MIDI, is *.mid. MIME type is needed e.g. for MIDI engines to determine whether the file is GM1 MIDI-file or SP-MIDI -file. It is also needed in content protection issues.

    Best regards,
    V / Forum Nokia

  3. #3
    Registered User
    Join Date
    Sep 2003
    Posts
    3

    How to distinguish midi from sp-midi files?

    Hi,

    If both midi and sp-midi files have the same file extensions, how can one distinguish whether the a *.mid file contains midi or sp-midi so that one can assign the correct MIME content type?

    i.e. audio/midi VS audio/sp-midi

    Thanks
    Dave

  4. #4
    Super Contributor
    Join Date
    Mar 2003
    Location
    Tampere, Finland
    Posts
    1,115
    Hi,

    SP-MIDI can be recognised from the Maximum Instantaneous Polyphony (MIP) message, which is placed to the beginning of the MIDI song. There's also tools that understand SP-MIDI, e.g. MIDIscale.

    Best regards,
    V / Forum Nokia

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