LPC - Linear Predictive Coder

Vocoders by Adaptive Digital

ADT LPC VOICE CODER C67x

DESCRIPTION

The Adaptive Digital Technologies LPC-C67Xvoice coder is a real-time implementation of one of the LPC-10 vocoder. LPC-10 is one of the early vocoder standards and has been adopted and used in numerous defense communication systems.

Coding Rate: 2.4 kbps LPC

Sampling Rate: 8 kHz

Data sheet: .pdf

FEATURES

  1. Functions are C-callable.

  2. Excellent choice for very low bit rate communication systems

  3. Useful for developing backward compatible equipment based upon DSP technology

AVAILABILITY

ADT LPC is available on the TMS320™ DSP Family

C67x™DSP Generations

SPECIFICATIONS


LPC C67x

All Memory usage is given in units of byte.

Function
MIPS
Program Memory
Data Memory
Encode
10
-
-
Decode
14.6
-
-
Encode / Decode
24.6
55 k
31 k

Last update: 11/20/2008

 

FUNCTION

LPCinit(. . .)

LPCencode(. . .)

LPCdecode(. . .)

 

 

 

PRODUCTS