Design and implementation of the audio encoder in SDTV are presented in this paper.
设计并实现了标准清晰度数字电视的立体声音频编码器。
The configuration of MPEG-4 audio encoder is introduced in this paper. Severalimportant main encoders are described in detail.
文中介绍了MPEG - 4音频编码器的构成，并详细说明了其中几种主要编码器的基本原理。
It USES the PCI interface chip SAA7146A special for media processing produced by Philips, and connects simply with video encoder, video decoder, audio encoder and decoder.
设计选用PCI多媒体接口芯片SAA7146A，方便的实现了与视频编码器、视频解码器和音频编解码器的连接。
The encoder is set to the AMR_NB, which is an audio format, sampling at 8 KHz.
编码器被设置为amr_nb，这是音频格式，采样率为8KHz。
There are two kinds of input signals in this encoder: analog audio signal input and serial digital audio signal input.
该编码器的信号输入包括两种类型，模拟音频信号的输入和串行数字音频信号的输入。
The decoder is essentially an inverse of the structure and methods of the encoder, and results in a reproduced audio signal that cannot be audibly distinguished from the original signal.
解码器实质上是编码器的逆向结构和方法，产生一个听觉上不能与原始信号区分开的被还原的音频信号。
The decoder is essentially an inverse of the structure and methods of the encoder, and results in a reproduced audio signal that cannot be audibly distinguished from the original signal.
解码器实质上是编码器的逆向结构和方法，产生一个听觉上不能与原始信号区分开的被还原的音频信号。
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