AMR Speech Codec Mapping Specification

TS 06.90Rel-7Services2GAdvanced

Defines detailed mapping for multi-rate speech codec converting 13-bit PCM to encoded bit streams (4.75-12.2 kbit/s) using ACELP algorithm for GSM adaptive multi-rate channels.

Protocol Definition

Document Type

Technical Specification

Network Layer

Services

Subcategory

Speech and Audio

Business Impact

High

Key Technologies

GSMAMRACELP

Read Full Specification

View the complete text of 3GPP TS 06.90 with table of contents and cross-references.