0:01
Please enable Javscript
Beep, whoosh, fast
0:03
Please enable Javscript
Beep to whoosh
0:01
Please enable Javscript
Beep, fast swell
0:01
Please enable Javscript
Beep, low buzz
0:01
Please enable Javscript
Beep, digital, flutter, vibrato
0:01
Please enable Javscript
Beep, feedback buzz, short attack
0:02
Please enable Javscript
Morse code with a weak signal. End sentence AAA.
0:01
Please enable Javscript
Morse code letter "Z"
0:01
Please enable Javscript
Morse code with a weak signal. Letter "A"
0:02
Please enable Javscript
Morse code with a weak signal. Call up vvv.