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Method and system for a waveform attenuation technique for predictive speech coding based on extrapolation of speech waveform
Method and system for a waveform attenuation technique for predictive speech coding based on extrapolation of speech waveform
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机译:基于语音波形外推的预测语音编码波形衰减技术的方法和系统
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摘要
A method and system are provided for processing an extrapolated signal including a number of consecutive replacement frames. The method comprises attenuating a portion of the extrapolated signal when the extrapolated signal reaches a predetermined duration. The attenuating produces an output signal having an attenuated portion, wherein the output signal includes the number of consecutive replacement frames. Each of the consecutive frames within the attenuated portion is attenuated by applying an attenuation window with a starting magnitude value of approximately 1 and including a unique ending magnitude. The unique ending magnitudes decrease over time.
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