About This File
A Dial Tone made in Audacity 1.2.6 for Windows (Windows XP 32-bit). This is the Audacity project file (.AUP). It may be exported to a .WAV, .MP3 or some other format in Audacity.
The tone consists of a 350 Hz tone and a 440 Hz at -13dB, playing continuously for 30 seconds.
I lowered the gain to -12dB as per the dial tone WAV at http://www.telephonetribute.com/signal_and_circuit_conditions.htm
I found that it does sound much more like a real, modern dial tone than if I were to have left the gain at its default of 0dB.
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