The preceding method is uses the signal in the frequency range energy distribution trickrecognition goal, the actual test obtains approximately 83% average recognition rate.
前一种方法是利用信号在频域的能量分布特征识别目标，实际测试取得约83%的平均识别率。
2
Another trick is to hand off the work of speech recognition to a powerful remote computer, rather than relying on the processing power of a small portable device.