In this paper, we propose a blind method of high frequencies reconstruction for audio signal based on reconstructed octave.
本文提出了一种基于重构八度音的盲目式音频信号高频重建方法。
The system acquired the distance information of obstacles as well as the power of reflected ultrasonic, and informs the blind with modulated audio signal.
我们获得障碍物的距离信息和超声回波的强度信息，进行音频调制，向盲人提供更加丰富的信息。
Synchronous signal is an effective way to implement the blind-detect in audio watermarking.
同步信息是实现水印盲检测的一种有效途径。
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