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Abstract:
基于传统的波形内插语音编码模型,提出了一种新的2 kbit/s语音编码方案.该方案在编码端去除了传统方法中复杂的对齐运算,在译码端用三次B样条插值取代传统的线性插值.慢渐变波形只量化低频分量,而快渐变波形用正交多项式拟合,并采用合成-分析技术对其进行矢量量化.DRT测试结果表明,该2 kbit/s语音编码方法能获得高可懂度的重建语音.
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Source :
通信学报
ISSN: 1000-436X
Year: 2004
Issue: 11
Volume: 25
Page: 70-76
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 8
Chinese Cited Count:
30 Days PV: 8
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