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Update : 2009-11-24 Size : 586058 Publisher : wxylxp@yahoo.cn


Update : 2008-12-03 Size : 8667 Publisher : gaojun_927

iPhoneMixerEQGraphTest demonstrates how to build an Audio Unit Graph connecting a MultiChannel Mixer to the iPodEQ unit then to the RemoteIO unit. Two input busses are created each with input volume controls. An overall mixer output volume control is also provided and each bus may be enabled or disabled. The iPodEQ may be enabled or disabled and a preset EQ curve may be chosen via a picker in the iPod Equalizer view. iPhoneMixerEQGraphTest uses 44.1kHz source and sets the hardware sample rate to 44.1kHz to avoid any extraneous sample rate conversions. Touching the "Play Audio" button simply calls AUGraphStart while "Stop Audio" calls AUGraphStop. Changing AU volume is performed via AudioUnitSetParameter. The iPodEQ unit presets are returned by using AudioUnitGetProperty asking for the kAudioUnitProperty_FactoryPresets CFArrayRef. A current preset is then selected calling AudioUnitSetProperty using the kAudioUnitProperty_PresentPreset property and passing in the appropriate AUPreset. Note that the AU Host owns the returned CFArray and should release it when done. Audio data is provided from two stereo audio files. The audio data is AAC compressed and ExtAudioFile is used to convert this data to the Core Audio Canonical uncompressed LPCM client format for input to the multichannel mixer. All the relevant audio code is in the file AUGraphController.mm
Update : 2010-09-15 Size : 2055463 Publisher : sever515@gmail.com

AAC decoder cortex arm cpu optimization,has neon asm code
Update : 2010-10-14 Size : 96565 Publisher : dreaminess

AnyChat音视频互动开发平台(SDK)是一套跨平台的即时通讯解决方案,基于先进的H.264视频编码标准、AAC音频编码标准与P2P技术,整合了佰锐科技在音视频编码、多媒体通讯领域领先的开发技术和丰富的产品经验而设计的高质量、宽适应性、分布式、模块化的网络音视频互动平台。 AnyChat音视频互动开发平台(SDK)包含了音视频处理模块(采集、编解码)、流媒体管理模块(丢包重传、抖动平滑、动态缓冲)、流媒体播放模块(多路混音、音视频同步)以及P2P网络模块(NAT穿透、UPnP支持)等多个子模块,封装了底层的硬件操作(音视频采集、播放)、封装了流媒体处理(编解码、网络传输)等非常专业和复杂的技术,为上层应用提供简单的API控制接口,可以在极短的开发周期,以及极少的人力资源投入下为客户的现有平台增加音视频即时通讯、多方会议的功能。 AnyChat SDK分为客户端SDK和服务器SDK两大部分,其中客户端SDK用于实现语音、视频的交互以及其它客户端相关的功能,而服务器SDK主要实现业务层逻辑控制,以及与第三方平台的互联等。客户端SDK和服务器SDK均支持C++、C#、VB.Net以及Delphi等开发语言。 通过AnyChat音视频互动开发平台(SDK),可以开发具有企业特色的即时通讯系统、视频游戏系统、视频会议系统、网络教学系统、语音视频聊天系统、专家咨询平台以及政府应急指挥平台等,系统的功能、界面完全由企业定制。
Update : 2010-12-13 Size : 4423948 Publisher : 839788402@qq.com

音频格式介绍,做流媒体的朋友可以参考。
Update : 2012-03-26 Size : 31744 Publisher : zhumh_0907

IMDCT优化算法的研究-IMDCT Optimization Study
Update : 2024-05-18 Size : 450560 Publisher : 蝌蚪文

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一种非常好的音频压缩算法,可实现对不同采样率和不同码流的压缩。-a very good audio compression algorithm can be realized on different sampling rates and different bitstream compression.
Update : 2024-05-18 Size : 4484096 Publisher : 风信标

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faac的解码程序。-FAAC decoding procedures.
Update : 2024-05-18 Size : 5976064 Publisher : 风信标

VC中使用低级音频函数WaveX播放声音文件-VC used vulgar audio function WaveX play audio files
Update : 2024-05-18 Size : 10240 Publisher : 李喆

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vc编码的小波变换程序-vc wavelet transform coding procedures
Update : 2024-05-18 Size : 129024 Publisher : 公用帐号,请不要修改

一个一键清空的小软件,主要是为了保护个人隐私,该软件清除的内容包括: 我最近的文档、IE访问记录、上网历史记录、地址栏URL记录、清除REALPLAY播放列表、清除REALONE播放列表。-a key emptied a small software, the main purpose is to protect personal privacy, the removal of the software include : my recent documents, IE visit records, Internet history, address bar URL records, removing REALPLAY playlists remove MP3/AAC playlists.
Update : 2024-05-18 Size : 161792 Publisher : 黄炜娟


Update : 2024-05-18 Size : 2603008 Publisher :

这是最新的faac的编码程序哦,支持main_profile,LC,SSR 的编码程序哦.很不错的.-This is the latest FAAC coding procedures, oh support main_profile, LC, SSR coding procedures oh. Very good.
Update : 2024-05-18 Size : 329728 Publisher : 张庭庭

用来创建MP4流、将视频编码成符合MPEG-4的流、将音频编码成AAC、回放MP4文件的工具以及很多其他的工具。-used to create the MP4 streaming, video encoded with MPEG-4 streaming, audio encoded AAC, MP4 playback tools, and many other tools.
Update : 2024-05-18 Size : 5101568 Publisher : 老朱

机顶盒界面源代码: ## Avoid the so-called SINGAPPL to be initialized at runtime ## Used when the tuner is controlled externally by I2C and ## the PIDs forced to some specific values. -STB interface source code :## Avoid the so-called SINGAPPL to be initializ ed at runtime## Used when the tuner is controlle d externally by I2C and## the PIDs forced to some specific values.
Update : 2024-05-18 Size : 3072 Publisher : 屠龙

3GPP general audio codec---enhanced aacplus floating-point C surce code -3GPP general-- enhanced audio codec aacp E-Plus floating-point C code surce
Update : 2024-05-18 Size : 1209344 Publisher : 宾清原

eAAC+ Encode Source Code-eAAC Encode Source Code
Update : 2024-05-18 Size : 545792 Publisher : 黄克荣

eAAC+ Decode Source Code-eAAC Decode Source Code
Update : 2024-05-18 Size : 470016 Publisher : 黄克荣

IPP是Intel为PDA等手持设备提供的多媒体库,可以用来处理各种格式的音频视频,同时代码是经过优化的,速度比其他库快好几倍。-Intel IPP for handheld devices such as PDAs for the multimedia library, which can be used to deal with various types of audio and video, while the code is optimized, speed faster than the other for several times.
Update : 2024-05-18 Size : 306176 Publisher : 郑筱均
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