| 摘要: |
| 介绍了第三代移动通信系统中AMR（自适应多码率）语音编码的背景信息，简要描述了与它相关的测试实验，并从实验的测试结果说明了在多种环境下AMR的性能特征。 |
| 关键词: 第三代移动通信 语音编码 自适应多码率 语音激励检测 AMR |
| DOI：10.3969/j.issn.1001-893X. |
| Revised:December 01, 2001 |
| 基金项目:国家 8 6 3项目 (编号 :MII -C3G - 0 1- 0 5 - 0 0 86 3- 317- 0 3- 0 1- 0 1- 0 5 - 2 0 ) |
|
| Performance Characterization of AMR Speech Codec in 3G Partnership Project |
|
| () |
| Abstract: |
| This paper introduces the background information on the performance of the Adaptive Multi-Rate (AMR) speech codec of the third Generation Partnership Project and describes briefly related experimental tests,which illustrate the behavior of AMR in multiple operational conditions. |
| Key words: 3G partnership project,Speech codec,AMR,VAD, |
