2.4kbps MELP低速率语音编码算法的DSP实现
摘要
本文在DSP芯片TMS320VC5416上实时实现了传统2.4kbps MELP低速率语音编码算法。采用美国GL公司的语音质量评估系统VQT(Voice Quality Tester)对编解码的实时语音质量进行评估,PESQ得分高于3.6分,结果表明该语音编码系统能够满足实际通信要求。
出处
《科技信息》
2011年第4期131-132,共2页
Science & Technology Information
参考文献7
-
1L.M.Supplee,A.V.McCree,MELP:the New Federal Standard at 2400bit/s,IEEE International Conference on Acoustics,Speech and Signal Processing,1997:1591-1594.
-
2D.W.Griffin,J.s.Lim,Multi-band Excitation Vocoder,IEEE Trans.Acoustics,Speech and Signal Processing,Vol.36,No.8,1988:1223-1235.
-
3O.Gottesman,A.Gersho,Enhanced Waveform Interpolative Coding at Low Bit Rate,IEEE Trans.Speech and Audio Processing,2001,Vol.9,No.8:786-789.
-
4R.J.McAulay,T.F.Quatieri,Speech Analysis/Synthesis Based on a Sinusoidal Representation,IEEE Trans.Acoustics,Speech and Signal Processing,1986,Vol.34,No.4:744-754.
-
5TMS320VC5416 Fixed-Point Digital Signal Processor Data Manual,2002.
-
6Jiyong Zhao,Jingyuan Wang etc,Research AND Implementation of An Improved 800BPS Speech Coding Algorithm,IEEE International Conference on Information Theory and Information Security,Signal and Information Processing,2010:794-797.
-
7Stereo Audio CODEC,8-to 96-KHz,With Integrated Head-phone Amplifier TLV320AIC23B Data Manual,www.ti.com,2004.
-
1熊磊,刘文予,王曜,朱光喜.实时语音的自适应回放算法[J].数据采集与处理,2003,18(2):194-198.
-
2Jong-kuk KIM.Enhancement of Voice Quality and Bit-rate Reduction by Prosodic Control in G.723.1 Vocoder[J].Journal of Measurement Science and Instrumentation,2011,2(2):179-183.
-
3毕常青,徐子兴,谢锦辉.基于TMS302C25的语音编码系统[J].计算机应用研究,1995,12(2):27-28.
-
4张继东,杨震,李晓飞.ITU-T G.729 CS-ACELP语音编码系统的性能分析[J].南京邮电学院学报,2000,20(4):91-94. 被引量：6
-
5毕卫红,寻智峰,王凯.ITU G.729CS_ACELP语音编码系统[J].现代电子技术,2002,25(12):85-87.
-
6韩剑坡,王林斗,郝晓鹏,张书军,海春辉.基于DSP的ACELP语音编码系统[J].电子测量技术,2007,30(1):147-149.
-
7朱文育,郭莉,王炳锡.一种适用于低速率语音编码系统的基音周期量化算法[J].信号处理,2005,21(3):271-274.
-
8林志洁.How to Improve the Voice Quality of VoIP[J].四川大学学报（工程科学版）,2007,39(S1):178-181.
-
9德州仪器进一步增强其运营商级VoIP网关产品[J].电子与电脑,2005(4):23-23.
-
10杨吉斌,曹铁勇,张雄伟.基于AMR编码参数的语音识别[J].解放军理工大学学报（自然科学版）,2002,3(5):6-9. 被引量：1
