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  1. #1
    Les Paul Forum Member
    Join Date
    Oct 2020
    Location
    Hong Kong
    Posts
    1

    How to connect the guitar to the Nexys 4 FPGA board?

    I have a general design question about connecting an el. guitar to the Nexys 4 FPGA board.
    I want to create guitar effects, basicaly process the el. guitar signal and output resulting signal to the speaker.


    What would be the best (robust, easy, fast ...) way to connect an el. guitar to acquire the signal for processing? Focused on the Nexys 4 FPGA board.


    I am quite fresh with FPGA audio signals, so that is why I need some general (or specIFic) guidance.
    Last edited by Googboy; 11-02-20 at 01:28 AM.

  2. #2
    Les Paul Forum Member
    Join Date
    Jun 2007
    Location
    England
    Posts
    514

    Re: How to connect the guitar to the Nexys 4 FPGA board?

    It depends on what I/O interfaces and on-board audio processing the board has (I'm not familiar with that specific board). If it has an analogue audio input you could connect direct to that but would probably need an impedance matching buffer or DI box to get the best results. If it does not have an analogue in then you would need an external analogue to digital interface such as a USB audio interface.

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