Editing Quasi-analog signal (section)

{{ref improve|date=August 2012}}
{{Use American English|date=September 2024}}

In [[telecommunications]], a '''quasi-analog signal''' is a [[Digital signal (electronics)|digital signal]] that has been converted to a form suitable for [[transmission (telecommunications)|transmission]] over a specified analog [[Communication channel|channel]].  

The [[specification]] of the analog channel should include [[frequency range]], [[bandwidth (signal processing)|bandwidth]], [[signal-to-noise ratio]], and [[envelope delay distortion]]. When quasi-analog form of [[Signaling (telecommunications)|signaling]] is used to convey [[message]] [[traffic]] over [[dial-up]] [[telephone]] systems, it is often referred to as voice-[[data]]. A [[modem]] may be used for the conversion process.