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A fast algorithm for the implementation of filter
- IMDCT优化算法的研究-IMDCT Optimization Study
New Recursive Algorithms MDCT
- IMDCT优化算法的研究2-IMDCT Optimization Study 2
MP3CoderDecoderSourceCodeBaseOnDSP
- mp3dec.h - The main header file defining the structures and functions in the decoder mp3dec.c - The main source file, including the main loop and most decoding functions mp3dec_D.h - The windowing function data huff.c - The huffman decoder (
MDCT
- MPEG MDCT的一些文章 A design on the vector-processor of MDCT-IMDCT algorithm for digital audio；A fast algorithm of integer MDCT for lossless audio coding
mp3_decoder
- 一个用VHDL编写的实现mp3解码功能的代码。This folder contains three directories: Huffman, IMDCT and Filterbank, each of them includes all the VHDL source codes of the component.
vac3dec
- ac软件解码：包括同步过程，imdct算法，扰动处理，缩混处理等。-ac software decoding include : synchronization process, imdct algorithm, disturbance, Mix management.
533
- 嵌入式系统开发中，ADSP音频算法优化的程序，包括其中mdct和imdct的优化后的汇编代码。-Embedded System Development, ADSP audio algorithms optimization procedures, including mdct imdct and the optimized assembly code.
MP3文件格式解析
- MP3( MPEG Layer III)编码解码的算法原理以及IMDCT 模块的FPGA/ASIC 实现。首先从介绍数字音频压
mp3decoder
- verilog实现mp3解码程序，包括testbench-mp3 decoder verilog implementation procedures, including the testbench
IMDCT
- 主要是进行IMDCT变换的源码，供大家参考使用，希望能得到大家的认可。-Mainly IMDCT transform source for your use, we hope to be recognized.
DCTalgorithm
- MDCT快速算法的定点实现和相关算法文档资料，MDCT广泛应用于当前主流的音频编解码算法中。-Express MDCT algorithm implementation and related fixed-point algorithm documentation, MDCT is widely used in the current mainstream audio codec algorithm.
G729DSPIMDCT
- G729, DSP，优化，IMDCT.rar1-44414141
work
- IMDCT的matlab实现算法,采用递归结构，嵌套循环，作为硬件实现的Gold-IMDCT in matlab platform
A_fast_algorithm_for_calculating
- 提出一种计算mdct的快速算法，并分析了算法的计算复杂度，与利用fft计算的算法相比，本算法的计算复杂度降低了约一半。最后给出该算法的计算机仿真结果。-Presents a fast algorithm for calculating mdct and analyze the computational complexity of the algorithm, and the use of fft calculation algorithm, this algorithm reduces the
IMDCT_base_on_FFT
- 一种基于FFT的IMDCT算法，来自Marina Bosi的《Introduction to Digital Audio Coding and Standards》一书。-The IMDCT algorithm based on FFT, from the book "Introduction to Digital Audio Coding and Standards".
MP3mdct
- 在MP3 编解码器的设计中,前向MDCT 与反向IMDCT 是两个计算最为复杂的部分。 提出了一种新的算法,对MDCT 与IMDCT 的实现进行优化,极大地降低了运算量。该算法将 MDCT 与IMDCT 的计算分成三步实现: 前处理, 核心处理, 后处理。其中,核心处理部分由 MDCT 与IMDCT 共用,大大减少了对硬件电路的需求,降低了芯片成本。-In the MP3 codec designs, prior to the MDCT and IMDCT are two reve
imdct_dsp
- AAC的idmct模块， 没有找到verilog开发环境，但是本模块是用verilog编写的。-AAC' s idmct module, did not find verilog development environment, but this module is written in verilog.
MP3-Code
- Mp3解码过程,总体上可分为9个过程：比特流分解，霍夫曼解码，逆量化处理，立体声处理，频谱重排列，抗锯齿处理，IMDCT变换，子带合成，pcm输出。 -Mp3 decoding process, on the whole can be divided into nine process: bit-stream decomposition, Huffman decoding, inverse quantization processing, sound processing, spectrum
Fixedpointaedreal-time
- MP3解码原理：首选将MP3数据帧解包，解出帧头信息和边带信息；然后采用霍夫曼解码解出比特分配信息；接着在逆变换中利用频谱系数，在综合滤波器中将32位子带合并成一个宽带信号。18个频谱值执行32位IMDCT（逆改进型离散余弦变换），将生成的576个频谱值变换成长度为32的18个连续的频谱。通过18次运算，多相位综合滤波器将这些频谱转换到时域，完成波形重构，生成立体声PCM音频数据。-jiema and bianma
MDCT-for-digital-audio
- A design on the vector-processor of MDCT-IMDCT algorithm for digital audio.rar