Epoch extraction from linear prediction residual
Epoch extraction from linear prediction residual
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从线性预测残差中提取历元
DOI：
10.1109/icassp.1978.1170401
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发表时间：
1978
期刊：
影响因子：
--
通讯作者：
B. Yegnanarayana
中科院分区：
文献类型：
--
作者：
T. Ananthapadmanabha;B. Yegnanarayana
通过考虑以下因素的影响，提出了线性预测（LP）残差的解释：声门脉冲的形状、激励瞬间共振峰的相位角、共振峰和带宽的不准确估计、声道系统传递函数的零点。还讨论了不正确的相位抵消对估计历元位置精度的影响。提出了一种从 LP 残差中明确识别历元的方法。
An interpretation of linear prediction (LP) residual is presented by considering the effect of following factors: shape of glottal pulse, phase angles of formants at the instant of excitation, inaccurate estimation of formants and bandwidths, zeroes in vocal tract system transfer function. Effect of improper phase cancellation on the accuracy of estimated epoch position is also discussed. A method for unambiguous identification of epochs from LP residual is presented.