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add readme

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KubaPro010
2024-12-30 13:10:00 +01:00
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# STCode
STCode is a simple stereo encoder for FM, it uses pasimple and math to:
- Calculate mono signal from s16le ((L+R)/2)
- Generate the stereo pilot in phase to the stereo subcarrier
- Generate the stereo diffrence signal using DSB-SC
All that in about 3.5% cpu usage on a RPI-5!