在Non-Stationary Noise中,比较具有代表性的要数餐厅里的噪音Babble Noise,著名的Cocktail Party Effect [3] (Arons, 1992) 就是基于Babble Noise的。Babble Noise是指多个说话者的交谈声组成的背景噪声,此类噪声不仅仅是非平稳的,而且和我们所需语音的成分相似,导致在进行语音增强Speech Enhancement(语音为所需信号时...
在 Non-Stationary Noise 中,比较具有代表性的要数餐厅里的噪音 Babble Noise,知名的Cocktail Party Effect [3] (Arons, 1992) 就是基于 Babble Noise 的。Babble Noise 是指多个说话者的交谈声组成的背景噪声,此类噪声不仅仅是非平稳的,而且和我们所需语音的成分相似,导致在进行语音增强 Speech Enhancement(语音为...
An active noise cancelling system (20) comprising: an earphone (8') comprising: an electro-acoustic driver (11); and at least one sensing microphone (12, 13); tunable active noise cancelling circuitry (7) operative to receive a signal from the at least one sensing microphone (12, 13), ...
1. In an internal combustion engine exhaust gas system comprising an exhaust pipe having an outlet, apparatus for reducing the acoustic energy in the exhaust stream at said outlet comprising: a noise-cancelling signal delivery tube, said delivery tube being separate from but located adjacent to sai...
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An active noise conditioning system for use with a combustion engine exhaust system is provided. A controller receives an exhaust noise signal, along with various other feedback signals for producing
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