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headphones
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4 Commits

Author SHA1 Message Date
George Norton 41d4023961
Run the DAC in 24bit mode. (#25) 
* Run the DAC in 24bit mode.

* Update comment.

* Remove accidental paste

* Fix distortion.

* Shift up the samples into -1..1, not much different, but we get an extra bit of resolution at the low end.
 2023-09-14 04:49:56 -04:00
George Norton 47b94b8d73
PCM3060 volume control (#13) 
* Initial set of changes to offload the volume controls to the DAC.

* Minor cleanup. Added Independent Left/Right volume control.

* Code cleanup.
 2023-05-17 15:13:24 -04:00
George Norton 69fdc8a4e2
Basic support for rebooting into the bootloader. (#10) 2023-04-13 09:08:59 -04:00
george-norton 992df01067
Fix audio distortion (#8) 
* Fix an overflow in the fix16_t usage which can lead to audio distortion.

* Add a simple test application for running the filtering stages on a PC.

* Fix readme typos.

* Rename test to tools.

* Remove volume multiplier

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Co-authored-by: George Norton <george.norton@mediakind.com>
 2023-04-05 16:23:35 -04:00