在相同的速率下，VMR-WB语音声码器的主观质量和性能较现有的窄带和宽带编码标准都有明显的提高。
The subjective quality and performance of VMR-WB is superior to that of existing narrowband and wideband coding standards operating at the same bit rates.
声码器是一种数字化语音软件，将演讲语音转变成信息包，因此它可以以电子方式传送，并在接收端进行解码，以便它可以被人听到。
A vocoder is software that digitizes speech, transforms it into information packets so it can be electronically transmitted, and decodes it at the receiver so that it can be heard as speech.
基于一定的解码状态，声码器通过最小均方误差（MMSE）估计的方法估计最优参数，充分降低信道误码对重建语音质量的影响。
The minimum mean square error (MMSE) is computed for each decoding state to estimate optimal parameters and to reduce the influence of the bit error.
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