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Description: 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 reverse calculation of the most complex parts. Proposed a new algorithm for MDCT and IMDCT implementation of optimized, greatly reduces the computational complexity. MDCT and IMDCT of the algorithm is divided into three steps to achieve the calculation of: pre-processing, core processing, post-processing. Among them, core processing in part by the MDCT and IMDCT share, greatly reducing the demand on the hardware circuit and reduce the cost of the chip.
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Size: 306176 |
Author: lynn |
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Description: 是一款非常优秀的局域网和互联网P2P点播软件系统, 采用最先进P2P内核, 完美实现P2P视频点播功能，P2P流媒体技术节省大量服务器带宽. Nat Traversal技术, 穿透90％以上内网, 并支持RMVB/RM/ASF/WMV/FLV/MP3格式流媒体实现无缓冲播放, 拖拽延时在秒级范围内. 将极速托拽和P2P算法完美的结合了起来. 为了支持电信级别的视频服务, 还提供了负载均衡服务器和(CDN)缓存服务器, 视频广告发布接口等专业功能. 大型商业客户可以利用WebPlayer9 P2P视频播放系统实现低成本、 高可靠性、 可伸缩性、易管理的视频服务网络软件架构-Is a very good LAN and the Internet P2P on-demand software system, using the most advanced P2P core, the perfect realization of P2P video-on-demand capabilities, P2P streaming media technology to save a lot of server bandwidth. Nat Traversal Technology, more than 90 penetration within the network, and support RMVB/RM/ASF/WMV/FLV/MP3 buffer-free streaming media format, playback, drag-second delay in the range. will speed drag, and a perfect combination of P2P algorithms up. In order to support the telecommunications level of video services It also provides load-balancing servers, and (CDN) cache server, video advertising and other professional functions interface. large commercial customers can take advantage of WebPlayer9 P2P video playback system to achieve low cost, high reliability, scalability, easy management of networks for video services Software Architecture
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Size: 1908736 |
Author: 王辉 |
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Description: 音频压缩算法，主要是音频压缩算法基础知识、mp3编解码等等。-Audio compression algorithms, mainly the basics of audio compression algorithms, mp3 codec and so on.
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Size: 973824 |
Author: 杨泽 |
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Description: mp3音频编码器源码，喜欢研究编码算法的朋友爱看 mp3音频编码器源码，喜欢研究编码算法的朋友爱看 -mp3 audio encoder source code, like the study of coding algorithm' s friends love to read mp3 audio encoder source code, like the study of coding algorithm' s friends love to read mp3 audio encoder source code, like the study of coding algorithm' s friends love to read mp3 audio encoder source code, like the study of coding algorithm' s friends like to watch
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Size: 251904 |
Author: pengfanzh |
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Description: 用DSP进行mp3解压缩的算法原程序，用于一些开发环境中DSP音频处理。-Mp3 extract with DSP algorithm for the original program for a number of audio processing DSP development environment.
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Size: 34816 |
Author: wangxinyong |
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Description: MP3压缩算法的源代码，使用MPGLIB解压缩引擎及MPG123包-MP3 compression algorithm， MPGLIB decoding engine, from the MPG123 package
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Size: 1336320 |
Author: ff |
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Description: 基于回声隐藏的信息隐藏算法，是一种音频信号的水印技术，包括隐藏信息的嵌入和提取，以及对于噪声，MP3压缩，滤波，重采样和延迟攻击的模拟。-Based on echo hiding information hiding algorithm, is an audio signal watermarking techniques, including embedding and extracting hidden information, as well as for noise, MP3 compression, filtering, resampling and delay attack simulation.
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Size: 529408 |
Author: 张小小 |
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Description: 这是一个介绍信文档，主要介绍Mp3的算法极其实现方法，介绍十分详细。-This document is a letter of introduction, the algorithm describes an extremely Mp3 realization method described in great detail.
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Size: 311296 |
Author: Yongjie |
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Description: 基于ARM SOC的多媒体音频算法软件优化及系统设计-In this thesis，the research and development ofa real-time high performance high precision MP3 software
decoder for SOC with ARM7TDMI as core processor is presented．黜decoder c∞widely used in handheld
devices such∞pocket MP3 player．
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Size: 1669120 |
Author: houdong |
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Description: MP3转PCM音频格式，引用了别人的高效解码算法-Switch to PCM audio format MP3, quoting from someone else and efficient decoding algorithms
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Size: 5400576 |
Author: 123 |
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Description: 本文首先介绍MPEG-1的标准，然后进行解码算法分析，并基于S3C2410、ⅡS总线、DMA控制器与UDA1341TS芯片，提出了一套完整的MP3播放器的设计方案，包括硬件设计、低层驱动、MP3解码软件设计，并详细介绍了其实现过程。-This paper introduces the MPEG-1 standard, and then decoding algorithm analysis, and based on S3C2410, Ⅱ S bus, DMA controller and UDA1341TS chips, put forward a complete set of MP3 player design, including hardware design, low drive, MP3 decoding software design, and details of their implementation process.
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Size: 1349632 |
Author: sismm |
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Description: MP3解码算法，基于C语言编写的MP3音频解码源程序-MP3 decoding algorithm, based on the C language source MP3 audio decoder
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Size: 177152 |
Author: jiangqiang |
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Description: 本文档为北邮的一篇硕士论文，共55页，详细描述了AMR9平台的MP3方案，包括软硬件实现，以及语音编解码算法优化方案细节-This doc describe the design and implementation of an MPEG-1 Layer3 audio player on ARM9 platform.
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Size: 1351680 |
Author: 王霞 |
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Description: 内涵MP3编解码的一些资料文档，包括算法的原理，MP3的文件格式，以及MP3解码的dsp实现等文档-MP3 decode encode
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Size: 19684352 |
Author: |
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Description: MP3解码算法原理文章两篇，详细分析了子带编码，心理声学模型-MP3 decoding algorithm principle of article two, a detailed analysis of the sub-band coding, psychoacoustic model
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Size: 420864 |
Author: 页边 |
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Description: mp3播放器的播放设计原理和功能实现详细算法步骤-mp3 player
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Size: 173056 |
Author: li |
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Description: 基于nios软核处理器的FPGA嵌入式片上系统中的mp3算法-based soft core processor FPGA Embedded System-on the MP3 algorithm
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Size: 1024 |
Author: outwh |
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Description: 在arm系统中，经常用到的小型MP3算法，该算法速度相当快，代码效率很高，而且提供了定点版本，对应用于arm系统是不二的选择-In the arm system, a small MP3 algorithm is often used, the speed of the algorithm is quite fast, code with high efficiency, but also provides a fixed-point version, the application in the arm system is the best choice
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Size: 56320 |
Author: amu |
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Description: 采用Verilog 语言来实现 MP3 编码算法-it is a programe to achieve the MP3 encoding algorithm based verilog
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Size: 519168 |
Author: jiangqun |
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Description: mp3播放，含歌词显示算法，音频传输等等等等 ，详情请看(MP3 playback, lyrics display algorithm)
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Size: 318464 |
Author: 黄宇宙 |
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