FreeCalypso > hg > fc-audio-config
changeset 12:b57c380d78e7
aud-fcdev3b/README: explanation of new vs. historical configs
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 09 Oct 2021 04:26:59 +0000 |
parents | 46f49aa6ab8c |
children | 39efa8203dfe |
files | aud-fcdev3b/README |
diffstat | 1 files changed, 13 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/aud-fcdev3b/README Sat Oct 09 04:26:59 2021 +0000 @@ -0,0 +1,13 @@ +spkr0 is the new (as of 2021-10) audio mode config for FCDEV3B +loudspeaker+microphone voice call kit. The other two configs are historical +and should no longer be used: + +spkrmax config was my (Mother Mychaela's) concoction at the time when I tried +to use tiny cellphone-sized speakers, which were too quiet in the absence of +special mechanics and acoustics. It needs to be noted that setting a positive +speaker "calibration" gain in the Iota ABB with the volume control set to max +and with the waveform at full scale produces clipping instead of more Vpp +output, hence this approach is not really a solution. + +mcsi config was an early method of entering MCSI digital voice mode, but this +method should no longer be used, as it is broken - use AT@VSEL=1 instead.