because microcontrollers were expensive and unable to perform digital signal processing tasks in the way you would use them today. [Julian] has been trying to build a vocoder from that era from ...

MELPe implements a variable low bit rate vocoder that supports multiple rates of 600 bps, 1200 bps, and 2400 bps. It uses the MELP sampling rate of 8,000 kHz as well as the original frame size of 22.5 ...

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 ...

We've been taking a deep dive into creative vocal production this month on MusicRadar, covering everything from nailing the classic vocoder sound to modern, Bon Iver-style 'Prismizer' effects.