摘要
介绍了MPEG－4音频第2版的新概念，包括容错健壮性，低延迟音频编码，精细的频段分级，参数音频编码，CELP静音压缩，扩展的HVXC等。通过与第一版的比较，提出了若干改进之处。
篢he new concept in MPEG-4 audio version2 is introduced in this paper, which includes error robustness, low-delay audio coding, fine grain scalability, parametric audio coding,CELP silence compression, extended HVXC and so on. Compared with Version 1, some improvements are described.
出处
《电声技术》
北大核心
2000年第7期3-6,共4页
Audio Engineering
