Dudley, of their research department, describes this device, known as the 'Vocoder'. The 'voder' is an offshoot of a more extensive system first demonstrated in its experimental stage several ...

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 ...

The MELPe algorithm was developed using several enhancements to the original MELP 2400 bps specification. MELPe implements a variable low bit rate vocoder that supports multiple rates of 600 bps, 1200 ...