基于软硬协同设计的HE-AAC V1解码器设计  

HE-AAC V1 Decoder Design Based on SW/HW Co-design

作　　者：张云斐[1] 陈黎平[1] 刘佩林[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240

出　　处：《电声技术》2008年第2期26-29,共4页Audio Engineering

摘　　要：介绍了一种基于软硬协同设计方法的HE-AAC解码器设计,重点阐述了软硬件协同机制设计,AQMF和SQMF硬件模块设计。在仿真环境下,45MHz左右可以实时解44.1kHz采样率、码率为48Kb/s的双声道歌曲。A design and implementation for HE-AAC（High Efficiency Advanced Audio Coding） V1 decoder, which is based on the methodology of SW/HW Co-design, is presented. The parallelism between SW ＆ HW, and the design of HW engine for QMF are introduced. Real-time decoding for 2-channel music with the sample rate of 44.1 kHz and bit rate of 48 Kb/s can be obtained at about 45 MHz according to the simulation.

关 键 词：HE-AAC 正交镜像滤波器 频谱复制技术 软硬协同设计 

分 类 号：TN912[电子电信—通信与信息系统]