Description: 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. Platform: |
Size: 4484096 |
Author:风信标 |
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Description: shorten is a lossy/lossless audio compressor. shorten是一个有损的/无损的音频压缩器-shorten is a lossy/lossless audio compressor. Shorten is a detriment/lossless audio compression Platform: |
Size: 576512 |
Author:侯为 |
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Description: 一个非常好的开源音频编解码项目，支持多种音频采用频率，支持多码流，支持可变速率
Speex a free codec for free speech
Speex is an Open Source/Free Software patent-free audio compression format designed for speech. The Speex Project aims to lower the barrier of entry for voice applications by providing a free alternative to expensive proprietary speech codecs. Moreover, Speex is well-adapted to Internet applications and provides useful features that are not present in most other codecs. Finally, Speex is part of the GNU Project and is available under the Xiph.org variant of the BSD license-a very good open-source audio codecs, support for multiple audio frequency, multi-stream, Variable-rate support for a free Vorbis codec for free speech Vorbis i s an Open Source/Free Software patent-free Aud io compression format designed for speech. The Vorbis Project aims to lower the barrier of entry for voice applications by providing a free alte rnative to expensive proprietary speech codec s. Moreover, Vorbis is well-adapted to the Internet application s and provides useful features that are not pres ent in most other codecs. Finally, Vorbis is part of the GNU Project and is available under the Xiph.org variant of the BSD license Platform: |
Size: 546816 |
Author:邹远富 |
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Description: 军用通信系统软件，包括：视频采集、视频压缩、音频采集、音频压缩、音频播放、数据传输、命令控制等一系列与可视通讯有关的功能。一切对AVIOMgr的控制和AVIOMgr的信息反馈仅通过几个简单的消息和几个简单的函数调用就能完成。-military communications system software, including : video acquisition, video compression, audio collection, audio compression, audio broadcasting, data transmission, Control orders with a series of visual communications functions. AVIOMgr all of the control and feedback AVIOMgr information only through a few simple messages and several SR single function call can be completed. Platform: |
Size: 2964480 |
Author:shuang_quan |
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Description: this the source code of audio compression standard -- gsm.
-this the source code of audio compression standard-- gsm.
Platform: |
Size: 153600 |
Author:Foxy |
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Description: Interface for Microsoft Audio Compression Manager. - Delphi Source
The ACM uses existing driver interface hooks to override the default mapping algorithm for waveform audio devices. This allows the ACM to intercept device-open calls. After a call has been intercepted, the ACM can perform a variety of tasks to process the audio data, such as inserting an external compressor or decompressor into the sequence.-Interface for Microsoft Audio Compression Manager.- Delphi Source
The ACM uses existing driver interface hooks to override the default mapping algorithm for waveform audio devices. This allows the ACM to intercept device-open calls. After a call has been intercepted, the ACM can perform a variety of tasks to process the audio data, such as inserting an external compressor or decompressor into the sequence. Platform: |
Size: 32768 |
Author:steb |
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Description: 音频压缩编码(MPEG4).不仅支持自然声音(语音\音乐)编码,而且支持合成声音(MIDI等)-Audio compression coding (MPEG4). Not only to support the natural voices (voice Music) encoding, and support the voice synthesis (MIDI, etc.) Platform: |
Size: 57344 |
Author:chengrass |
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Description: 音频的压缩和解压耳机里实时发出mic收到声音。录音，程序将会把mic输入声音存储到flash里面，程序会停止在三个断点之一。这三个断点分别是flash擦除失败、flash写入失败、录音结束。如果是停在前两个断点，是flash操作失败。如果是停在第三个断点，表明录音结束。可以停止程序，进行录音回放操作。录音回放，程序将会循环播放flash里面存储的声音。-Audio compression and decompression issued headphones mic Receive real-time voice. Sound recording, the program will be the voice of mic input to the flash memory inside, the program will stop in one of the three breakpoints. The three breakpoints are flash erase failures, flash write failure, the end of recording. If it is stopped the first two breakpoints is flash operation failed. If it is stopped at the third break point, indicating that the end of recording. Can stop the procedure, recording playback operation. Audio playback, the program will be broadcast cycle flash storage inside voices. Platform: |
Size: 118784 |
Author:皮皮 |
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Description: 音频压缩代码，挺不错的，一定会对大家学习有帮助的。-Audio compression code, very good, we will have to help everyone learn. Platform: |
Size: 13624320 |
Author:李子印 |
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Description: 一共六个程序，分别为：
AcmCompress：acm 压缩程序
AudioCompress：音频压缩
AviCompress：avi压缩
CallbackDesigend：callback函数设计
VideoCompress：视频压缩
VideoEncode：摄像头视频获取-A total of six procedures, namely: AcmCompress: acm compression procedure AudioCompress: audio compression AviCompress: avi compression CallbackDesigend: callback function design VideoCompress: video compression VideoEncode: video camera to obtain Platform: |
Size: 12294144 |
Author:defa |
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Description: 详细介绍了关于AMR-WB标准的音频压缩编码的算法和思想-Detailed introduction on the AMR-WB standard audio compression coding algorithms and thought Platform: |
Size: 366592 |
Author:miyalu |
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Description: ac3标准文档，杜比数字AC-3（Dolby Digital AC-3）是杜比公司开发的新一代家庭影院多声道数字音频系统。杜比定向逻辑系统是一个模拟系统。它的四个声道是从编码后的两个声道分解出来的，因此难免有分离度不佳、信噪比不高，对环绕声缺乏立体感，并且环绕声的频带窄等缺点。-ac3 standard documents, Dolby Digital AC-3 (Dolby Digital AC-3) is Dolby has developed a new generation of home theater multi-channel digital audio system. Dolby Pro Logic system is a simulation system. It is from the four-channel encoded by the two-channel decomposition, have poor separation, signal to noise ratio is not high, on three-dimensional sense of a lack of surround sound and surround sound, such as the shortcomings of a narrow band. Platform: |
Size: 544768 |
Author:wl |
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Description: Speex是一套开源的专门压缩声音的库，压缩的性能非常高，常用在VoIP或者其它网络程序中。Speex声称自己是不受任何专利限制，并授权根据修订后的BSD许可证发布。它可以用来与Ogg容器格式或直接在UDP / RTP协议下传输。
这份是Speex的编码手册英文版，下面的地址是维基百科中关于Speex的介绍: http://en.wikipedia.org/wiki/Speex-Speex is a free software speech codec that may be used on VoIP applications and podcasts. Speex claims to be free of any patent restrictions and is licensed under the revised (3-clause) BSD license. It may be used with the Ogg container format or directly transmitted over UDP/RTP.
The Speex designers see their project as complementary to the Vorbis general-purpose audio compression project.
Speex is a lossy format, meaning quality is permanently degraded to reduce file size.
Platform: |
Size: 410624 |
Author:瞿志超 |
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Description: 数字视频监控系统代表了监控行业的未来发展方向，蕴藏着巨大的商机和
经济效益，成为目前信息产业中颇受关注的数字化产品。特别是近年来，随着
技术的进步和社会经济的不断发展，客观上对监控系统的准确性、有效性和方
便性提出了更高要求。主要体现在：需要实施视频监控的范围更加广阔，达到
点多面广；要求监控系统与管理信息系统、网络系统结合，实现对大量视频数
据的压缩存储、传输和自动处理，从而达到资源共享，为各级管理人员和决策
者提供方便、快捷、有效的服务。可见基于 DSP 和小波压缩技术的远程音频视
频监控具有现实意义和广阔前景。-Digital Video Surveillance System to monitor represents the future direction of the industry, there are enormous business opportunities and
Economic benefits of the information industry has become quite concerned about the digital product. In recent years, with the
Technological progress and socio-economic development, the objective of monitoring system on the accuracy, effectiveness and side
Will be put forward higher requirements. Mainly embodied in: the need for the implementation of video surveillance broader scope, reaching
Points wide require monitoring system and management information systems, network systems, to achieve a number of the large number of video
According to the compressed storage, transmission and automatic processing, so as to achieve resource sharing, for all levels of management and decision-making
Provide convenient, speedy and efficient service. Can be seen based on the DSP and wavelet compression technology as the long-range audio
Frequency of Platform: |
Size: 588800 |
Author:耿耿 |
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