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  1. #1
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    Join Date
    Mar 2003
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    31

    MIDI PROBLEM ON N7210

    Hi, i have download wap service for polyphone ringtones. But my users have sometimes problem with some MID files.

    For example this files is ok:

    http://www.wapstranky.cz/files/melodie/poly/midi/popcorn.mid

    http://www.wapstranky.cz/files/melodie/poly/midi/polyfriends.mid

    but this not:

    http://www.wapstranky.cz/files/melodie/poly/midi/usrHeaven1218958680.mid

    http://www.wapstranky.cz/files/melodie/poly/midi/pulpfiction.mid

    Please, can me someone tell me why the second files not working? Where is difference between these files?

    Thanks for your answer

    Jakub

  2. #2
    Registered User
    Join Date
    Mar 2003
    Posts
    29

    RE: MIDI PROBLEM ON N7210

    At least "Pulpfiction.mid" is pretty big (25kb) - that will give many users with bad connections a time-out while downloading.

    There is another known issue that might prevent your users from proper listening: limited memory (on 40series - 7210,...).

    Those Nokia handset do afaik preload instruments into some limited memory area. Once you use too many instruments, that area is full and no further instruments will be loaded. That does unfortunately depend a lot on their actual size - e.g. "Grand Piano" is larger than "Closed HiHat".
    The result is a song not playing correct instruments but no download failure.

    Try to find out what exactly those users are experiencing - what does their handset show once download failed.

    cheerz,
    Lobo

  3. #3
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    Mar 2003
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    11

    RE: MIDI PROBLEM ON N7210

    The problem is that your MIDI files are not sp-midi files. No MIP message is present and the file is at 24 voices maximum polyphony. Without MIP the 7210, which is only 4 voices, cannot play this file.

    Hope this helps,
    Tamara
    Ringtone Producers Alliance
    www.ringtoneproducers.com

  4. #4
    Registered User
    Join Date
    Mar 2003
    Posts
    11

    RE: MIDI PROBLEM ON N7210

    usrHeaven1218958680.mid does contain a MIP Message, but one with errors ! The polyphony values contain hexadimal numbers, which is not allowed, only a range of 1-127 is allowed.

    MMsGuru offers a pretty cool MIP Message tool, which is free for non-commercial use, at http://www.mmsguru.com
    Too bad it's doesn't come with a true pre-listening feature... (Hint for MMsguru)

    Tamara
    Ringtone Producers Alliance

  5. #5
    Registered User
    Join Date
    Mar 2003
    Posts
    7

    RE: MIDI PROBLEM ON N7210

    I must have missed the first round of answers - the 'Heaven' sample seems to be just a couple of tracks and not a ringtone at all. Did you upload this after your original post?

    pulp fiction is too big, and as Tamara points out, you have no mip in it.

    I've found that the 7210 can load files as big as around 16 Kb OK - 25 Kb I've never seen work on that phone.

    Lobotomat also points out that the sample banks used for the phone may cause problems - having a look at both your files, they should function OK, but you need to cut them down in size. Why do you want a ringtone that runs for 2 minutes 21 seconds anyway? Don't you ever answer the phone?

    KGW
    info@classicringtones.com

  6. #6
    Registered User
    Join Date
    Mar 2003
    Posts
    33

    RE: MIDI PROBLEM ON N7210

    Hi,

    I have converted a midi using "Nokia Sound Converter 1.0.16.5030" (Nokai PC Suite 5.0) and then IRDA to my 6610. However, when I tried to open it and play, it say "Unable to open file". This is the converted midi file http://203.117.95.23/temp/5506g.mid , please help. Thanks in advance.

    BR,
    HY

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