radio95/fm95
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update readme

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KubaPro010
2024-12-30 20:45:17 +01:00
parent 2f72b66be3
commit e9ba9e42af
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.vscode/.server-controller-port.log vendored
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{ {
"port": 13452, "port": 13452,
"time": 1735587448586, "time": 1735587895200,
"version": "0.0.3" "version": "0.0.3"
} }

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README.md
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# STCode # STCode
STCode is a simple stereo encoder for FM, it uses pasimple and math to: STCode is a simple stereo encoder for FM, it uses pasimple and math to:
- Calculate mono signal from s16le ((L+R)/2) - Calculate mono signal ((L+R)/2)
- Generate the stereo pilot in phase to the stereo subcarrier - Generate the stereo pilot in phase to the stereo subcarrier
- Generate the stereo diffrence signal using DSB-SC - Generate the stereo diffrence signal using DSB-SC ((L-R)/2)
All that in about 3.5% cpu usage on a RPI-5 (lpf makes it 10, but stereo tool has 3 threads which do 100% cpu usage anyway, one 200)! All that in about 3.5% cpu usage on a RPI-5 (lpf makes it 10, but stereo tool has 3 threads which do 100% cpu usage anyway, one 200)!