Add AKWF Wavefrom #24
Replies: 9 comments 10 replies
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Merci. I can imagine that conversion can be scripted or maybe done internally in the firmware on the esp32. It would be handy just to upload the waveforms into the external flash memory and make it somehow available. Good idea, best regards. |
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Hi Gilles,
I asked for Your experience and preferences to Use I2C on the AI Thinker Audio Board.
If Marcel starts to use the SD-Card, he probably will loose the free Pins to connect a ADC for local Potentiometers.
If he uses the SD-Card, a working and simple solution to create a new ADC-Port would be needed.
At the current stage, the Synth could be rebuild by many people. As You are in that business, You know, there is probably a hard limit in complexity for DIY-Projects. If the project gets too complex, only a few people could follow Marcel and could build these synths.
Regards
Erich
… Am 26.05.2021 um 16:57 schrieb Gilles Lacaud ***@***.***>:
Good information Erich. Thx for your help.
At my point i think a better way is to place all these samples in a file on the SD card and keep the offset for each individual waveform. So you open the file at the beginning and peek the 1024 samples at the good offset.
I have done this on my HANSY1010 mono synth.
What do you think ?
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Hi, I have tested it, but it didn´t sound that much. How to modify the code to test it:
It is up to You to search for a cool sounding Waveform ... |
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The demo for the voice wave form it is at the end of the vid |
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Hi Gilles,
which AKWF-Files did You use?
As I pushed the code on my repo today.
Was it ok?
I did test with some simple AKWF-Files but did not get very special sounds.
Which did You use?
Do You use them from Program?
As You do not allow discussion on Youtube and You do not have any results at Github, it is a bit difficult to talk about Your work.
When using GPL-Software, I allways try to give it back to the community.How much of the ESP-Synth is based on the Basic-Synth from Marcel?
As the Oscillators You are using in the Video are the same as Marcel used ??
… Am 28.05.2021 um 00:08 schrieb Gilles Lacaud ***@***.***>:
The demo for the voice wave form it is at the end of the vid
https://www.youtube.com/watch?v=gsOaK0aHd1I <https://www.youtube.com/watch?v=gsOaK0aHd1I>
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Erich. If you choice some simple AKWF-Files you will not have some special sounds. For now i have code the voice waveform in the .h file as you (not read from the SD card). But me i have rebuild the tabwavefrom with the help of Audacity and Hxd. For the GPL code...i try to give to you some ideas and information about my work. My code is now very different as the first commit of Marcel. I use another IDE (plateform IO) and some other hardware part... I will take a look at your code... |
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Why 35000 ? silence[i] = (float) pgm_read_word_near( AKWF_hvoice_0001 + i )/35000.0; |
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Hi Erich
My project based on the Marcel licence work is now available on github
GITHUB LINK
Best
Musically
Gilles/Hansy Synth
----- Mail original -----
De: "Erich" ***@***.***>
À: "marcel-licence/esp32_basic_synth" ***@***.***>
Cc: "Gilles Lacaud" ***@***.***>, "Author" ***@***.***>
Envoyé: Vendredi 28 Mai 2021 03:32:28
Objet: Re: [marcel-licence/esp32_basic_synth] Add AKWF Wavefrom (#24)
Hi Gilles,
which AKWF-Files did You use?
As I pushed the code on my repo today.
Was it ok?
I did test with some simple AKWF-Files but did not get very special sounds.
Which did You use?
Do You use them from Program?
As You do not allow discussion on Youtube and You do not have any results at Github, it is a bit difficult to talk about Your work.
When using GPL-Software, I allways try to give it back to the community.How much of the ESP-Synth is based on the Basic-Synth from Marcel?
As the Oscillators You are using in the Video are the same as Marcel used ??
Am 28.05.2021 um 00:08 schrieb Gilles Lacaud ***@***.***>:
The demo for the voice wave form it is at the end of the vid
https://www.youtube.com/watch?v=gsOaK0aHd1I <https://www.youtube.com/watch?v=gsOaK0aHd1I>
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Hi Marcel
I have buy some other ESP32 Audio Kit boards and of course now i have the ES8388 issue.
So i have change the I2C pin to 18 and 23 and change the I2C address.
In fact i use your ES8388 code.
But my init ES8388 return always fail.
Did i miss something ?
There is an hardware modification ?
Thank again for you help
Musically
Gilles/Hansy Synth
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You can try to add some of these waveforms :
https://www.adventurekid.se/akrt/waveforms/adventure-kid-waveforms/
Just apply a time convertion with audacity for exemple to set the good sample number
it is very interresting for the voices waveform
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