Study on A Voice-Operated Transmit (VOX) Algorithm Based on Digital Signal Processing;
基于数字谱分析的声控开关VOX(Voice-Operated Transmit)新算法首先利用功率谱二次处理结果进行处理,提取出语音波形的包络,然后对所得包络进行阈值处理、限幅放大,最后得到VOX函数。
Demonstrating characteristic of photoresistance using acoustooptic controlled switch;
巧用声光控开关演示光敏电阻特性