The result was ARPANET, the first packet-switching network ever created and one of the earliest adopters of the TCP and IP network protocol communications suite. The idea was to find a way to access computers remotely and to improve communication capabilities between computer users. You can’t have Internet calling without the Internet itself.īelieve it or not, the Internet began as just an academic research project in 1969.ĪRPA, or the Advanced Research Project Agency, (known today as DARPA) was an agency of the US Department of Defense dedicated to military technology. Even the German electronic band Kraftwerk has made use of the Vocoder in their music.

Today, the same technology is used not only in VoIP telephony and digital trunking but also in cochlear implants. The Vocoder was used in the SIGSALY system to send secret messages during World War Two. The concept was similar to today’s packet transmission, which records voice samples on one telephone and recreates them on another. It made its debut to the public at the New York World Fair, where attendees were fascinated by the vocoder’s ability to analyze and recreate the sounds of human speech.

In 1938, Bell Labs engineer Homer Dudley created the first electronic voice synthesizer, known as the Vocoder. In 1925, the engineering departments at AT&T and the Western Electric company joined forces to open the Bell Laboratory.īell Labs was created to invent, design, and improve technologies that would allow AT&T to expand its communication services nationwide.

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