1) speech bandwidth
语音带宽
2) wideband speech
宽带语音
1.
Research of Low Bits Rate Wideband Speech Codec;
低比特率宽带语音编码的研究
2.
Frame erasure concealment in wideband speech coding based on large hidden Markov model
基于大型隐马尔可夫模型的宽带语音丢帧补偿(英文)
3.
Analyzing some problems that might be encountered in coding wideband speech signal, we propose TCX(transform coded excitation) algorithm as a valuable solution for wideband speech codec.
分析了宽带语音编解码过程中遇到的特殊问题和解决办法，并通过改进窄带语音ＴＣＸ算法（主要包括系统合成滤波器的移位和将频域矢量分成高低两个矢量）实现了宽带语音压缩编码。
3) wideband speech coding
宽带语音编码
1.
The paper investigates the capability of extension of characteristic waveform interpolation(CWI) algorithm to wideband speech coding.
考察了特征波形内插(CWI)算法对于宽带语音编码的扩展能力。
2.
Speech parameters being extracted according to least square method criterion, by introducing multiform quantization method and amplitude parameter fitting quantization model and using dynamic time warping techniques in the process of splitting vector quantization to fast search codebook, a variable-rate low bit rate wideband speech coding algorithm was proposed.
根据最小二乘估计准则提取语音参数,引入多形态量化方法和幅度参数拟合量化模型,在对分裂矢量量化过程中采用动态时间归整的方法快速搜索码本,提出了一种变码率、低速率、宽带语音编码算法。
3.
Several algorithms about wideband speech coding are introduced.
4 kbit/ s两种不同比特率的宽带语音编码的实现方法。
4) wideband speech compression
宽带语音压缩
5) wideband-Perceptual Evaluation of Speech Quality(w-PESQ)
宽带语音质量感知评价
6) wideband speech processing system
宽带语音处理系统
补充资料：宽带和窄带业务
宽带业务是相对窄带业务而言的，一般来说，对于速率低于2Mb/s的通信业务统称窄带业务，如电话网、N-ISDN所提供的业务。对于高于2Mb/s的通信业务，如帧中继业务、视频点播、ATM业务、TV会议等称为宽带通信业务。 目前投入应用的宽带接入技术主要有两种：ADSL和FTTX＋LAN。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条