DTMF Tone Generator (Free Software)

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TMF tone generator software (free)


NCH Tone Generator (Free Software)

這個軟體是免費的，除非要有進階功能才需要付費，而且還額外提供ㄧ些處理音頻訊號的PLUGIN下載使用。

使用此工具在依照我之前有一篇介紹的DTMF tone的說明，就可以自己產生DTMF Tone了!!!

可以去NCH官網查看~

以下是轉貼自他的官網簡介~

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Typical Applications

Generation of test tones in radio and other studios for the alignment of levels.
Calibration and testing of audio equipment or speakers.
Tuning music instruments as an accurate reference tone.
Demonstration of audio principles to students.
Acoustics testing and equalisation.
Quality control and testing of sound cards.
White noise generator
Audio band signalling.
Hearing tests (under suitable medical supervision).

Features

Sine wave, square wave, triangular waveform, saw tooth waveform, impulse, white noise and pink noise.
Supports frequencies from 1Hz to 22kHz bandwidth (subject to sound card).
Multiple simultaneous tones (1 to 16 tones can be created at the same time) (useful to create harmonics).
Mono or separate stereo operation (ideal to create dual tones or 'beats').
Tone Sweeps (Log or Linear).
Plays tone or saves as wav file.