Dudley, of their research department, describes this device, known as the 'Vocoder'. The 'voder' is ... the information to control the synthesizing circuit. As World's Fair displays were then ...

[Julian] has been trying to build a vocoder from that era from ETI magazine. Along the way, he’s making videos documenting what he’s found and how’s he resolving issues. The circuit ...

The MELP (Mixed-Excitation Linear Predictive) Vocoder Algorithm is the 2400 bps Federal Standard speech coder. The selection test concentrated on four areas: intelligibility, voice quality, talker ...