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Difference between revisions of "LPC-10"

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Also see:
 
Also see:
  
* http://en.wikipedia.org/wiki/Secure_voice
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* [http://en.wikipedia.org/wiki/Secure_voice Wikipedia:Secure Voice]
  
 
[[Category: RR Glossary]]
 
[[Category: RR Glossary]]

Revision as of 10:33, 15 October 2008

LPC-10, or LPC10 is a Linear Prediction Voice Vocoder that operates at 2.4 Kb/s.

The United State Federal Government has standardized many digital voice solutions over HF and VHF/UHF using this Vocoder and standardized as FED-STD-1015.

The ANDVT Family of secure voice terminals uses this vocoder for communications.

  • So called LPC10 because 10 LP coefficients are used
  • Bandwidth: 2.4kbps
  • Samples/frame : 180 samples
  • Bits/frame: 54 bits
  • Frame Size: 22.5ms = 44.44 frames/sec
  • Target stream : 8khz sampling rate, 16bit quantization

Also see: