| 单词 |
pre-echo |
| 释义 |
1 [声]?前回声 我们的成员Garf自己在1.0版的基础上进行了调音，制作出了GT3b1和GT3b2，对于从5到10的q值，两者对于前回声（pre-echo）的处理都有了改进，人们认为其中GT3b1要更好一些。 2 ?预回声 频域编码中会遇到一个很严重的问题-预回声（pre-echo）犤1犦。信号能量的急剧变化（如一段静音之后紧随着一个敲击声）在量化编码时将导致很大的量化误差，解码时将会把误差的影响分摊到... 3 ?回波 尤其分解某些特定波形时，一旦所选取的字典原子与实际波形很好地，常常会分解的不完全而导致被称为前回波（Pre-echo）的残留分量出现，进而不得不用一系列小的展开项来抵消前回波。
- 1
In perceptual audio coding with low bit rate application, the pre-echo artifact is more distinct, and the effective detection of transient signals is the precondition. 在低比特率音频感觉编码中，预回声失真更为突出，而对其处理的前提是瞬态信号的有效检测。 - 2
Propose an overlap structure equalization algorithm for the pre-echo channel, which can weaken the dependence on feedforward equalizer, enhance the performance and reduce the complexity. 提出了一种对抗前径信道的重叠结构均衡算法，可以降低系统对抗前径时对前馈滤波器长度的依赖，提高系统的性能并降低复杂度。 - 3
In the multi-channel echo cancellation, the nonlinear pre-processing is always used to overcome the non-convergence of the filter caused by the strong correlation of input signals. 非线性预处理是解决多通路回波消除中因输入信号间的强相关性而引起的滤波器不收敛的有效方法。
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