Audio: Difference between revisions - Pyra Wiki

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==Volume Wheel==
==Volume Wheel==
* Potentiometer (or rotary encoder?) connected to general-purpose input in SoC (allows software override of volume control)
* Potentiometer to GPIO input in SoC, 10-Bit Resolution (allows software override of volume control)
Source: https://pyra-handheld.com/boards/threads/were-still-alive.77184/page-15#post-1372429


==Microphone==
==Microphone==

Revision as of 18:41, 14 April 2017

Jack

  • 3.5mm headset TRRS (stereo audio and microphone) connector with automatic switch to go from OMTP to CTIA as seen here

Volume Wheel

  • Potentiometer to GPIO input in SoC, 10-Bit Resolution (allows software override of volume control)

Microphone

  • Microphone located at the left edge between keyboard and D-pad.

Speakers

  • Stereo speakers in base with tuned cavity behind them as per manufacturers' recommendations.
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