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dra818_radio

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dra818_radio [2017/09/12 17:06] – [Configuration for DireWolf souncard modem] admindra818_radio [2017/09/12 17:35] – [WAV audio test] admin
Line 91: Line 91:
 TXDELAY 20 TXDELAY 20
 PTT GPIO -4         #RPI GPIO 4 PTT GPIO -4         #RPI GPIO 4
 +</code>
 +
 +====WAV audio test====
 +Configure the radio with pre/de-emphasis and filters, see script above.
 +
 +  * Text-to-speech example:<code>
 +# Set pin 4 as output
 +raspi-gpio set 4 op
 +
 +# Transmit
 +raspi-gpio set 4 dl
 +
 +echo "<callsign>" | cwwav -f 700 -w 20 -o morse.wav && aplay morse.wav
 +
 +/home/pi/.local/bin/google_speech -l nl "Dit is <callsign>, met een testuitzending."
 +
 +# Receive
 +raspi-gpio set 4 dh
 +
 </code> </code>
dra818_radio.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1