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Guitar amp and effects pedal built on the Waveshare ESP32-S3-Touch-AMOLED-2.06

163 points · 85 comments · arbayi

  1. weberer · · focus · HN ↗
    How is the latency? Whenever there's a FPGA driven pedal, like the Hatsune Miku one, everyone always complains about the delay it adds.
    1. dashersw · · focus · HN ↗
      Depending on your guitar interface, it's around 4-10ms. Some interfaces have really unnecessary buffers, accounting for very old and low power devices. iRig HD X has an unused buffer of 4ms in its firmware that I patched. As atoav said, you don't really feel it, especially if you play on headphones, it's like sitting 1 meter away from the speaker.
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