This document specifies a voice coding method for the Enhanced Digital Access Communication System. It describes the functional requirements for the transmission and reception of voice information using digital communication media described in the standard. This document is specifically intended to define the conversion of voice from an analog representation to a digital representation that consists of a net bit rate of 4.4 kbps for voice information, and a gross bit rate of 7.1 kbps after error control coding.

The voice coder (or vocoder) presented in this document is intended to be used through-out a system in any equipment that requires an analog-to-digital or digital-to-analog voice interface. Specifically, mobile and portable radios as well as console equipment and gateways to voice networks may contain the vocoder described in this document.

Customers who purchased TIA TIA/EIA/IS-69.5
also purchased

• TIA TIA-102.BABA-1 : Project 25 Half-Rate Vocoder Annex-Addendum to TIA-102.BABA
• TIA TSB-69.1-2 : Enhanced Digital Access Communications System (EDACS) Land Mobile Radio System PacketData Specification
• TIA TSB69.3 : Enhanced Digital Access Communications System (EDACS) Digital Air Interface for: Channel Access, Modulation, Messages, and Formats
• TIA TIA/EIA-102.AAAA-A : Project 25 DES Encryption Protocol

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