Telephony
Videos
Telephony is the field of technology involving the development, application, and deployment of telecommunications services for the purpose of electronic transmission of voice, fax, or data, between di
A commercial IP telephone, with keypad, control keys, and screen functions to perform configuration and user features
Digital audio
Videos
Digital audio is a representation of sound recorded in, or converted into, digital form. In digital audio, the sound wave of the audio signal is typically encoded as numerical samples in a continuous
Audio levels display on a digital audio recorder (Zoom H4n)
Analog reel-to-reel tape recorder
Sony professional digital audio tape (DAT) recorder PCM-7030
Digital audio workstation