Yamaha MOTIF7 Owner's Manual - Page 36
Maximum Polyphony, Part structure of the Tone Generator block
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Basic Structure System Overview Maximum Polyphony The maximum sonic polyphony is 62 for AWM2, plus the polyphony of the Plug-in Board (if installed). The actual note polyphony will vary depending on the type of tone generator unit used, the number of Elements in the Voice, and the note polyphony of the Plug-in Board. In the case of AWM2 Voices, the polyphony figure of 63 is divided by the number of Elements in the Voice. Part structure of the Tone Generator block The MOTIF plays its sounds (with the Tone Generator block) in response to MIDI data, received from the Controller block or Sequencer block. MIDI data is assigned to one of sixteen channels, and the MOTIF is capable of simultaneously playing sixteen separate parts, via the sixteen MIDI channels. However, we can overcome the sixteen-channel limit by using separate MIDI "ports," each supporting sixteen channels. The multiple sound sources of the MOTIF (internal tone generator and Plug-in Boards) take advantage of the three MIDI ports included on the instrument. Tone Generator block Part for Voice mode Port 1 part 1 part 2 Port 2 part 17 part 18 Port 3 part 33 part 34 part 14 part 15 part 16 part 30 part 31 part 32 part 46 part 47 part 48 These parts are used in modes other than the Voice mode. As shown in the above illustration, up to 48 parts can be used in the modes (excepting the Voice mode). However, the number of parts that are actually used is a maximum of 34 in the Song and Pattern modes, as we'll see later in some examples. n See page 30 for details about the modes. n The USB cable supports up to eight separate MIDI ports. The MOTIF's Tone Generator block supports three separate ports as illustrated above, and the MOTIF's MIDI Thru function supports eight separate MIDI ports. n The MIDI cable and IEEE cable (when the mLAN8E has been installed) cannot handle MIDI port data. 36 MOTIF Basic Structure