Concentric circles with broken lines isolated on white background. Vortex, sonar wave, soundwave, sunburst, signal signs.
Schlüsselwörter
sound,
wave,
circular,
speaker,
round,
wi-fi,
radar,
pictogram,
effect,
circle,
ripple,
technology,
beat,
volume,
radio,
echo,
ultrasonic,
audio,
vibration,
pattern,
line,
earthquake,
equalizer,
sonar,
concentric,
loud,
decibel,
music,
graph,
protection,
icon,
voice,
vector,
noise,
symbol,
digital,
control,
signal,
speech,
micro,
message,
signs
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