Forum Rule: Always post complete source code & details to reproduce any issue!
Page 4 of 4 FirstFirst ... 2 3 4
Results 76 to 88 of 88

Thread: A DX7 (Fm synthesis) replacement with Dexed on a Teensy

  1. #76
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    Interesting. So it seems it might be an issue with the Teensy Audio Board or the cabling. I think i have a PCM5102A - maybe i can test it with it.

    Your ILI9341 does not have a touchscreen or is this an other issue ?
    I will make sure that everything essential continues to work without a touchscreen but some features obviously will not work, like the virtual keyboard.

  2. #77
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    I made a short video about some of the newer stuff like the 32/64th fast arpeggiator mode and a pwm bass playing on the 2 monosynths together with dexed.
    Sorry for the audio crackling, i recorded directly over usb audio and that seems to have issues, at least when using quicktime player for recording audio and video and at the same time using the MicroDexed remoteconsole that mirrors the screen content directly from the device to your pc screen. (In theory, using this, you could control Microdexed-touch without any own TFT display or DAC, at least for testing purposes.)
    https://www.youtube.com/watch?v=LySQrES91iU

  3. #78
    Senior Member
    Join Date
    Apr 2019
    Posts
    192
    Quote Originally Posted by positionhigh View Post
    Interesting. So it seems it might be an issue with the Teensy Audio Board or the cabling. I think i have a PCM5102A - maybe i can test it with it.

    Your ILI9341 does not have a touchscreen or is this an other issue ?
    I think it's just good grounding that you get with a four layer PCB. Any noises I get are from USB plugged from a pc which can be eliminated with a cheap isolator in between. My display has no touchscreen as it didn't come with one and my synth isn't designed to use one.
    It uses a PCM5102A PCB and TeensyMM, but there's nothing particularly special about the design.

  4. #79
    Quote Originally Posted by positionhigh View Post
    Hello Metal,

    as far as i know, there are no modifications on the Encoder Library so you should be able to use your existing version. If not, you could copy the library into the project (or somewhere else) and change the path for the include to this destination.
    Sounds like a good starting point...

  5. #80
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    The audio quality was so bad, i made a improved version
    https://www.youtube.com/watch?v=K9JTlULcLJY

  6. #81
    Super happy!

    My little Echo / Teensy Development board now thinks it's a DX7.

    Click image for larger version. 

Name:	20220426_161710.jpg 
Views:	9 
Size:	118.4 KB 
ID:	28199Click image for larger version. 

Name:	20220426_162054.jpg 
Views:	31 
Size:	137.6 KB 
ID:	28198

    The solution to my earlier problems was to install the latest Arduino and Teensy bundles, and then compile on a clean platform, a MacMini running High Sierra. A couple of warnings but otherwise a clean build.

  7. #82
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    that are great news! But your MicroDexed looks a little bit strange to me :_))

    About the compile warnings, i only get then at the first compile time. After that, i get a warning-free compile.

    Ah and it seems you have not connected the USB Host Port, yet. I suggest to do so, that you can directly connect a MIDI Keyboard/Controller while having it connected also to the PC.

  8. #83
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    quick video update about the live performance fm modifiers.

    https://youtu.be/4rvezoD7iu8

  9. #84
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    Working hard on the next steps. First version of a PCB and a 3d print case is currently in progess/under testing.

    https://youtu.be/G6lSqf8H_4g

  10. #85
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    new video, building up a pattern from scratch:
    https://www.youtube.com/watch?v=JetEBebtOVA

  11. #86
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    Samples/Multi Samples from flash chip are now working:

    https://youtu.be/lwLht-6d_2o

  12. #87
    Junior Member
    Join Date
    Nov 2021
    Posts
    18
    If you are new to this topic, Floyd Steinberg made a great introduction/short demovideo on Youtube. Highly recommended to check it out :_)

    https://www.youtube.com/watch?v=ZFvrbFw_cPg&t=106s

  13. #88

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •