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US07756714B2 System and method for extending spectral bandwidth of an audio signal 有权
用于扩展音频信号的频谱带宽的系统和方法

System and method for extending spectral bandwidth of an audio signal
摘要:
A system is provided for extending the spectral bandwidth of a bandwidth limited audio signal by applying a nonlinear function to the bandwidth limited speech signal to generate the low frequency audio signal components that were attenuated in the bandwidth limited audio signal.
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