It can also apply various effects to these sound files, and, as an added bonus, SoX can play and record audio files on most platforms. SoX is a cross-platform (Windows, Linux, MacOS X, etc.) command line utility that can convert various formats of computer audio files in to other formats. In the Pause character box, specify the character that will cause a pause between successive tones in the dial string.Ĭhoose a position from the Insert new tone sequence at drop-down list to determine where the generated waveform will be placed within the current data window.įor more information about using processing dialog controls, click here.Welcome to the home of SoX, the Swiss Army knife of sound processing programs. Select the Fade the edges of each tone check box to fade each tone in and out to prevent glitching. In the Pause length box, specify the duration of the silence that will be inserted when the Pause character is used. In the Break length box, specify the duration of the silence between tones. In the Single tone length box, specify the duration of each tone. MF: CCITT R1 signals are used internally by the telephone networks. Unknown characters will be ignored.ĭrag the Amplitude fader to set the peak level of the waveform.Ĭlick the radio button that corresponds to the type of tones you want to generate:ĭTMF: Dual Tone Multi-Frequency signals are used by standard push-button telephones. In the Dial string box, type the phone number to be generated along with any necessary pause characters. To display this dialog, choose Synthesis from the Insert menu, and choose DTMF/MF Tones from the submenu.įrom the Insert menu, choose Synthesis, and choose DTMF/MF Tones from the submenu. You can use DTMF/MF Tones dialog to generate the standard dial tones used by telephone companies.

Dtmf sound