pure tone
Unmodulated sine wave
A pure tone is a sound wave of a single frequency, producing a smooth, unwavering pitch with no harmonics or overtones.
Tuning forks and electronic oscillators generate pure tones; most natural sounds are complex mixtures of frequencies.
Audiologists use pure tones to test hearing at specific frequencies: The hearing test played pure tones at various pitches.
- sine waveSmooth periodic mathematical curve
- frequencyRate of recurrence
- pitchFrequency of sound
- perfect pitchIdentifying tones without reference
- hertzFrequency measurement unit
tuning fork · audiology · sound booth · hearing test · beep · sound wave · audio signal · oscillation · monotone · note · hum · resonance · vibration · acoustic · signal · clarity · waveform · harmonic
pure tonewhite noise
Constant random sound
noise · pink noise · brown noise · static · chord
pure tonenoise
Unwanted auditory disturbance
white noise · static · hiss · environmental noise · cacophony
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