音频压缩标准

数字音频压缩标准AC-3算法已在广泛领域得到应用，如DVD，HDTV等，是发展家庭影院的主要技术之一。

Digital audio compression standard AC-3 algorithm has been widely utilized in various fields , such as DVD and HDTV , and is regarded as one or the key techniques for home theatre .

MPEG-2/4AAC（AdvancedAudioCoding，先进音频编码）数字音频压缩标准，已经成为MPEG-4标准中高质量音频编码的核心，代表目前感知音频编码技术的发展方向。

As a digital audio compression standard , MPEG-2 / 4 AAC ( Advanced Audio Coding ) already becomes the core algorithm of the high quality audio coder of the MPEG-4 Standard , and represents the trends of perceptual audio coding technology .

其次，介绍了MP3音频压缩标准所使用的子带编码、心里声学模型、自适应窗口切换、哈夫曼编码、比特池等关键技术。

Secondly , introduces MP3 audio compress standard including subband filter bank , psychoacoustic model , adaptive window switch over , Huffman coding , bit reservior , etc.

运动视频和音频压缩标准MPEG的概述及其视频压缩算法描述，音频压缩的编码和解码。

The MPEG standard for moving video and audio compression as well as the video compress algorithm , and the encoding and the decoding of audio compression is described .

在众多压缩标准中，MP3压缩格式以其优越的性能以及品质与算法复杂度的极佳折中，已成为当前PC，网络，便携式娱乐设备最为流行的音频压缩标准。

Among the many compression standards , MP3 compressed format has become a very popular standard in the PC , network , portable entertainment devices and so on , because of its superior quality , excellent compromise of the algorithm performance and complexity.MP3 decoding technology is now very mature .

随着各种视频以及音频压缩标准的出现，多媒体技术才得以巨大的发展，将这些标准用于各种应用上，解决了传输和存储的问题。

Therefore , the multimedia technology can only be developed quickly with the emergence of a variety of video and audio compression standards which are applied to solve the problems of transmission and storage .

介绍了MPEG-4的音频无损压缩标准草案&MPEG-4ALS，并且与目前常见的一些无损音频编码算法作比较。

This paper introduces an emerging ISO / IEC standard for lossless audio coding , MPEG-4 Audio Lossless Coding ( ALS ), and the comparison with other current state-of-the-art lossless audio compression algorithms was also provided .

26x和MPEG-x都是应用最广泛的视音频压缩国际标准。

26x and MPEG-x are two of the more widely used audio / video international standards .

还简要介绍了现存的音频、视频压缩国际标准。

The existent international standards in the compression of audio and video are also presented .