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v2.2.0
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risgk committed Jan 26, 2024
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2 changes: 1 addition & 1 deletion PRA32-U-Change-History.md
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## Digital Synth PRA32-U Change History

- v2.2.0 (2024-xx-xx):
- v2.2.0 (2024-01-26):
- Use error diffusion for PWM audio output by default
- Eliminate noise when PWM audio output is silent
- Change the display of PRA32-U CTRL
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4 changes: 2 additions & 2 deletions PRA32-U-MIDI-Implementation-Chart.md
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```
[Polyphonic/Paraphonic Synthesizer] Date: 2024-01-14
Model: Digital Synth PRA32-U MIDI Implementation Chart Version: 2.1.0
[Polyphonic/Paraphonic Synthesizer] Date: 2024-01-26
Model: Digital Synth PRA32-U MIDI Implementation Chart Version: 2.2.0
+-------------------------------+---------------+---------------+-------------------------------------+
| Function... | Transmitted | Recognized | Remarks |
+-------------------------------+---------------+---------------+-------------------------------------+
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4 changes: 2 additions & 2 deletions PRA32-U-Parameter-Guide.md
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# Digital Synth PRA32-U Parameter Guide v2.1.0
# Digital Synth PRA32-U Parameter Guide v2.2.0

- 2024-01-14 ISGK Instruments
- 2024-01-26 ISGK Instruments
- <https://github.com/risgk/digital-synth-pra32-u>

## Control Change Parameters
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10 changes: 5 additions & 5 deletions README.md
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# Digital Synth PRA32-U v2.1.0
# Digital Synth PRA32-U v2.2.0

- 2024-01-14 ISGK Instruments
- 2024-01-26 ISGK Instruments
- <https://github.com/risgk/digital-synth-pra32-u>


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- An **I2S DAC** hardware (e.g. Pimoroni Pico Audio Pack) is required
- PWM Audio can also be used instead of I2S (PWM Audio does not require an I2S DAC hardware)
- Prebuilt UF2 files ("bin")
- "Digital-Synth-PRA32-U-2.1.0-Pimoroni-Pico-Audio-Pack.uf2" is for Raspberry Pi Pico and Pimoroni Pico Audio Pack
- "Digital-Synth-PRA32-U-2.2.0-Pimoroni-Pico-Audio-Pack.uf2" is for Raspberry Pi Pico and Pimoroni Pico Audio Pack


## [Change History](/PRA32-U-Change-History.md)
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![CC0](http://i.creativecommons.org/p/zero/1.0/88x31.png)

**Digital Synth PRA32-U v2.1.0 by ISGK Instruments (Ryo Ishigaki)**
**Digital Synth PRA32-U v2.2.0 by ISGK Instruments (Ryo Ishigaki)**

To the extent possible under law, ISGK Instruments (Ryo Ishigaki)
has waived all copyright and related or neighboring rights
to Digital Synth PRA32-U v2.1.0.
to Digital Synth PRA32-U v2.2.0.

You should have received a copy of the CC0 legalcode along with this
work. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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2 changes: 1 addition & 1 deletion pra32-u-ctrl.html
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}
</style>
<script>
const APP_NAME_VERSION = "PRA32-U CTRL v2.1.0";
const APP_NAME_VERSION = "PRA32-U CTRL v2.2.0";

const PRA32_U_MIDI_CH = 0; // 0-based

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2 changes: 1 addition & 1 deletion pra32-u-prog-preset.json
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{
"_version " : "PRA32-U CTRL v2.1.0",
"_version " : "PRA32-U CTRL v2.2.0",
"_comment " : " Current #8 #9 #10 #11 #12 #13 #14 #15 ",
"OSC_1_WAVE " : [ [127], [127, 127, 127, 127, 127, 127, 127, 0 ] ],
"OSC_1_SHAPE " : [ [0 ], [0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] ],
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2 changes: 1 addition & 1 deletion pra32-u-prog-sample-saw-pulse.json
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{
"_version " : "PRA32-U CTRL v2.1.0",
"_version " : "PRA32-U CTRL v2.2.0",
"_comment " : " Current #8 #9 #10 #11 #12 #13 #14 #15 ",
"OSC_1_WAVE " : [ [127], [0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] ],
"OSC_1_SHAPE " : [ [0 ], [0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] ],
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2 changes: 1 addition & 1 deletion pra32-u-prog-sample-sine-pm-piano.json
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{
"_version " : "PRA32-U CTRL v2.1.0",
"_version " : "PRA32-U CTRL v2.2.0",
"_comment " : " Current #8 #9 #10 #11 #12 #13 #14 #15 ",
"OSC_1_WAVE " : [ [25 ], [0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] ],
"OSC_1_SHAPE " : [ [0 ], [0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] ],
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