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. |
修订日期:2001-12-01 |
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 ) |
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Performance Characterization of AMR Speech Codec in 3G Partnership Project |
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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, |