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Thread: Two or more audio outputs

  1. #1
    Junior Member
    Join Date
    Jun 2019
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    Two or more audio outputs

    Hello!
    Im totally newbie about teensy, but I have a past with different (microchip, st) controllers.
    I would like to build a proof of concept audio application, where I need at least two analogue stereo audio outputs and possibly a MIDI output.
    Are there any shields for this application, or shall I thinking about building something?
    Thanks for your answers!

  2. #2
    Senior Member PaulStoffregen's Avatar
    Join Date
    Nov 2012
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    20,068
    Yes, it's possible to connect 2 of the audio shields to a single Teensy, for 4 output channels.

    Details here (right side docs panel)

    https://www.pjrc.com/teensy/gui/?inf...oOutputI2SQuad

    Sparkfun wrote a nice tutorial. There's a link in that documentation.

  3. #3
    Junior Member
    Join Date
    Jun 2019
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    3
    Quote Originally Posted by PaulStoffregen View Post
    Yes, it's possible to connect 2 of the audio shields to a single Teensy, for 4 output channels.

    Details here (right side docs panel)

    https://www.pjrc.com/teensy/gui/?inf...oOutputI2SQuad

    Sparkfun wrote a nice tutorial. There's a link in that documentation.
    Thank you! Ist this solution offers simultaneous and synchronized playback of two differend wavs, routed to two stereo outputs?

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