====== Zahlensender ======

<s>http://www.aliexpress.com/item/Brand-New-Top-Quality-DSP-PLL-87-108MHz-Digital-Wireless-Microphone-Stereo-FM-Transmitter-Module/32384924081.html</s>
Da der link drüber tot ist:
https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20161021061514&SearchText=DSP+PLL+87-108MHz+Digital+Wireless

<code>while true; do rand -M 100 | xargs pico2wave -l de-DE -w tmp.wav; aplay -D sysdefault:CARD=CD002 tmp.wav; rm tmp.wav; sleep 0.5; done</code>
oder
<code>while true; do pico2wave -l de-DE -w /dev/shm/number.wav $((RANDOM%100)); aplay -D sysdefault:CARD=CD002 /dev/shm/number.wav;  sleep 0.5; done</code>
... oder...
<code>grep -aoE "[0-9]" /dev/urandom | espeak -s 250 -g 75 -v de --stdout | aplay -i -D "sysdefault:CARD=CD002"</code>
... noch besser...
<code>od -An -w1 -tu1 /dev/urandom | espeak -s200 -g10 -vde --stdout | aplay -i -D "sysdefault:CARD=CD002"</code>

"Richtige" Nummernsenderaufnahmen abspielen (player code fehlt noch):
<code>export DL="https://archive.org/download/ird059/"; curl $DL | grep -E "<a\s.*\.mp3" | awk -v "dl=$DL" -F '"' '{print dl$2}' |  sort -R</code>
... oder...
<code>export DL=https://archive.org/download/ird059/; curl -s "${DL}" | grep -F .mp3 | cut -d\" -f2 | sort -R | sed -e s,^,"${DL}",</code>