audio band

The receive frequency range is 0~ 30MHz band-pass signal. The system consists of two parts: analog part and digital part. As for the analog part there are analog audio input, analog high-frequency input, and DA analog output.

本设计可以接收信号的频率范围为0～30MHz带通信号，分为模拟部分和数字部分：其中模拟部分有模拟音频输入，模拟高频输入和DA模拟输出；

The band revealed the news of the forthcoming release via a V Live audio livestream, saying that it will be available via streams worldwide August 21.

这个组合通过V Live直播公布了即将发行新单的消息，说将在8月21日通过流媒体在全球发行。

Spectral band replication ( SBR) is a novel technology, which significantly improves the compression efficiency of perceptual audio codecs. SBR has been chosen as Band Extension for MPEG-4 Version 3 audio standardization and now enjoys many applications.

频谱恢复（SBR）压缩技术能够极大地提高感知音频编码器的压缩效率，并且已成为MPEG-4version3的音频频谱扩展标准，在许多场合得到了应用。

This article presents a novel self-synchronizing audio watermark algorithm for shortwave narrow band channel.

提出了一种适应于短波窄带信道的自同步音频水印算法.