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Another great write-up Ken, I'm wondering how the DX-11 differed (it was introduced after the DX7 and I've got a TX-11 (tone module)). The logarithm trick looks
by ChuckMcM 5y ago
Another great write-up Ken, I'm wondering how the DX-11 differed (it was introduced after the DX7 and I've got a TX-11 (tone module)). The logarithm trick looks like it would fit easily in a small FPGA too!
- ajxs 5y agoI haven't peered under the hood of the DX11, I do have a TX81Z though which is the rack-mounted equivalent. I'm pretty sure the fundamental design would be more-or-less identical. There definitely would have been many small improvements in the design between the DX7, and the DX11. Aside from the DX11 supporting different waveforms (actually truncated sine waves), people have said that the large difference in sound between the successive generations of Yamaha's FM synths comes from using a more abridged sine table. The shorter the table, the more thin, and metallic the sound.
- S_A_P 5y agoThe DX-7 has 6 operators per voice and 16 note polyphony. The DX-11 is a 4 operator synth but with 8 voice poly, but is multitimbral, where the DX-7 is monotimbral. I think both have their advantages and most of the time 4 operators are enough. I’ve been looking for a Yamaha FS-1 which was the 1990s return to FM synthesis for Yamaha. It’s a rare-ish classic that I wish Yamaha would reissue.