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Voice Fundamentals – Human Speech Frequency

The mechanics behind human voice production are unique and in many ways quantifiable. ¬†Understanding human speech and its perceived properties are an … [Read more...]

Phone Signalling: On Hook, Dial Tone, Pulse, DTMF

Supervisory signalling, Information signalling or Address signalling, these are the groupings to define the various states, tones and methods to setup … [Read more...]