audio frequency signal

• 音频信号

audio frequency signal的用法和样例：

例句

1. A proper parameter and some wavelet coefficients of the cover audio signal are selected to embed information.
   载体音频信号小波变换后，选择部分小波系数用适当的嵌入参数嵌入信息。
2. Welcome to Speech and Audio Signal Processing Lab of Beijing University of Technology.
   欢迎光临北京工业大学语音与音频信号处理研究室。