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Free, Simple and Easy to Use. Simply enter your desired frequency and press play. You will hear a pure tone sine wave sampled at a rate of 44.1kHz. The tone will continue until the stop button is pushed. The tone generator can play four different waveforms: Sine, Square, Sawtooth and Triangle.
This multiple tone generator allows you to enter any number of frequencies which can then be played simultaneously. The tones can be one of the following waveforms: sine, square, sawtooth and triangle.
Free online frequency sweep generator. This frequency sweep tool allows you to enter any two frequencies and a duration into the three boxes below. Once the play button is pressed, the frequency sweeper will then play a tone that begins at the first frequency and sweeps to the second frequency in the duration provided.
Online Tone Generator. The 60 second online hearing test. It's free, simple and no sign up required. How high can you hear? This 60 second tone helps you determine the highest frequency your ears can detect.
Online Tone Generator offers three flavours of noise: white, pink and brown. White noise has a flat spectrum, pink noise has a spectrum inversely proportional to its frequency, and brown noise has a spectrum inversely proportional to the square of its frequency.
Online Tone Generator. The 60 second online subwoofer test. It's free, simple and no sign up required. How low can you go? This page contains a low frequency sweep and a series of tones for testing the response of subwoofers. Click the play button below to begin the test.
Online Tone Generator. The 60 second online hearing test. It's free, simple and no sign up required. How high can you hear? This 60 second tone helps you determine the highest frequency your ears can detect.
Binaural Beat Generator. When two sine waves of slightly different frequencies (eg f1 and f2) are played on a loudspeaker, the waves will undergo interference.
Free online pitch shifter. This free online pitch shifter tool allows you to change the pitch of audio files (mp3 or wav format), without affecting the tempo. You can also save pitch shifted files as an mp3.
Online Tone Generator. This free online metronome plays a click at the tempo, in beats per minute (bpm), which is specified in the input field. Metronomes are useful when practicing an instrument, or when working on your sense of rhythm.