Nokia 1261 - Cell Phone - AMPS User Manual page 15

Nokia Sound Converter allows you to optimize your favorite MIDI file by adjusting the priority of the channels (instruments) and
adjusting the polyphony value for the desired instrument.
Open a GM file
To open a GM file for conversion to SP MIDI:
1 Establish a connection between your phone and PC.
2 Launch Nokia PC Sync (click Start, point to Programs, point to Nokia PC Suite 5, then click Nokia Sound Converter), then
click Next.
3 Use the dialog box to highlight the MIDI file you want to convert, then click Open.
4 Confirm that your phone appears as the selected destination, and note the number of simultaneous notes and/or instruments
your phone can support.
5 Click Next.
Nokia Sound Converter analyzes your GM file and moves what it determines as the most important instruments to the top of the
priority list.
Your phone plays only
those instruments
appearing in green.
Note that some instruments require more polyphony than others. In the GM priority list example, Brass 1 requires one note,
whereas Percussion requires the ability to play two notes simultaneously. Since your phone supports up to four notes
simultaneously, the use of Brass 1 and Percussion gives you a cumulative polyphony of three notes total. Note that Brass 2 requires
two notes and causes this MIDI file to exceed your phone playback capabilities. While you still have one additional note available,
the remaining instruments in the list cannot be played by your phone
Use Simple channel priority options
If you analyze the cumulative polyphony of the remainder of the instruments, you may discover that some voices require less
polyphony than others. In the example above, Reed, Ethnic 1, Ethnic 2, and Brass 3 only require one note each. You may want to
use one or more of the following options to select other instruments for use in your ringing tone.
LISTEN TO A MIDI CHANNEL
You can listen to one or more of the MIDI channels to determine if you want to use instruments other than those selected by Sound
Converter. Highlight the desired MIDI channel (or hold the Ctrl key to select more than one), then click Play Selected Channels.
CHANGE CHANNEL PRIORITY
Use the Move Up or Move Down buttons to change the priority of a channel. In the GM priority list example, you may consider
moving one or more of the channels higher that requires only one note of polyphony (for example, Reed or Ethnic 1). The end result
is having a wider variety of instrument sounds in your MIDI ringing tone.
LISTEN TO YOUR MIDI FILE
You can simulate playback of the MIDI file by your phone while you are editing. Click the Pre-play as Played in Phone button at
any time to hear how the changes you make to the channel priority affect what you hear.
Cumulative polyphony
shows the running total
of notes required by the
MIDI file.
Click here to listen to
the original GM file.
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Nokia Sound Converter
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