Speech active level estimation in noisy conditions
Speech active level estimation in noisy conditions
复制标题
噪声条件下的语音活跃电平估计
DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
M. Brookes
中科院分区:
文献类型:
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作者:
S. Gonzalez;M. Brookes
We present a new method for speech active level estimation which combines a novel algorithm based on voiced speech energy extraction with the standardized ITU-T Recommendation P.56. At poor signal-to-noise ratios, the algorithm estimates the active level by identifying intervals of voiced speech and summing the energy of the pitch harmonics in the time-frequency domain while rejecting that of the noise. We compare the performance of our method with that of ITU-T P.56 on the TIMIT database and demonstrate that it performs exceptionally well in both high and low levels of additive noise.