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Description: 使用组播技术的音频会议 - The use group broadcasts technical the audio frequency
conference
Platform: |
Size: 132653 |
Author: 周勇 |
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Description: 视频和音频的实时网络传输解决方案，使用DirectX技术。-to use the directx skill ,to deal with the video frequency and the audio frequency as the live network transport method
Platform: |
Size: 884718 |
Author: 大狐狸 |
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Description: 一个JAVA做的音频播放器，能够播放MID格式的音频文件，能够控制音乐的流量和声音的大小- JAVA does the audio frequency player, can broadcast the MID
form the audio frequency document, can control the music the current
capacity and the sound size
Platform: |
Size: 220545 |
Author: 熊勇 |
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Description: 凌云逻辑CS4360音频DAC的参数设置代码，缺省为I2S六声道。- Reaches the clouds logical CS4360 the audio frequency DAC
parameter establishment code, lacks the province is the I2S six sound
tracks.
Platform: |
Size: 2142 |
Author: 文国刚 |
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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: 546872 |
Author: 邹远富 |
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Description: 一个以AD9851做频率基准音频信号发生器，可以精确到0.01%。-AD9851 to do a baseline audio frequency signal generator can be accurate to 0.01%.
Platform: |
Size: 29368 |
Author: 熊祖云 |
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Description: 智原科技正式推出可携式MP3音乐播放器SoC设计平台 - FIE7系列音频平台方案，首先推出的是针对低功耗有强烈需求的可携式，基于闪存的MP3播放器 - FIE7005语音设计平台，该平台的特色在于使用双核技术并利用智原科技所开发并验证优化过的大量硅知识产权(IP)构建而成- The wisdom original science and technology officially promotes
may take along type MP3 music player SoC to design the platform - FIE7
series audio frequency platform plan, first promotes is aims at the
low power loss to have the intense demand to be possible to take along
the type, based on dodges MP3 which saves the player - FIE7005
pronunciation to design the platform, this platform characteristic
lies in the use 鍙屾牳 technology and the use wisdom original science
and technology develops and the confirmation has optimized the massive
silicon intellectual property rights (IP) to construct becomes
Platform: |
Size: 299145 |
Author: 陈宏明 |
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Description: 音频波形显示和滤波,1、录音功能：CWaveIn类2、播放功能:CWaveOut类3、波形显示和滤波：CFilter类4、语音数据压缩解压：CG729aCompress、CGsmCompress 因为继承至同一个父类，所以它们的接口是一样的- Audio frequency profile demonstration and filter,1, recording
function: CWaveIn kind 2, broadcast function: CWaveOut kind 3, profile
demonstration and filter: CFilter kind 4, pronunciation data
compression decompression: CG729aCompress, CGsmCompress because
inherit to the identical father class, therefore their connection is
same
Platform: |
Size: 188416 |
Author: casdss |
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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: 智原科技正式推出可携式MP3音乐播放器SoC设计平台 - FIE7系列音频平台方案，首先推出的是针对低功耗有强烈需求的可携式，基于闪存的MP3播放器 - FIE7005语音设计平台，该平台的特色在于使用双核技术并利用智原科技所开发并验证优化过的大量硅知识产权(IP)构建而成- The wisdom original science and technology officially promotes
may take along type MP3 music player SoC to design the platform- FIE7
series audio frequency platform plan, first promotes is aims at the
low power loss to have the intense demand to be possible to take along
the type, based on dodges MP3 which saves the player- FIE7005
pronunciation to design the platform, this platform characteristic
lies in the use 鍙屾牳 technology and the use wisdom original science
and technology develops and the confirmation has optimized the massive
silicon intellectual property rights (IP) to construct becomes
Platform: |
Size: 299008 |
Author: 陈宏明 |
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Description: 基于跳频的音频连接系统设计（Mono Audio Link Using Frequency Hopping）及源代码，代码是用IAR PIC16 C语言编写的，该语言与ANSI C兼容
-hopping on the audio link design (Mono Audio Link Using Freq uency Hopping) and the source code, the code is used IAR PIC16 C language. The language and ANSI C compatible
Platform: |
Size: 2954240 |
Author: 王文 |
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Description: 音频设计一直是大多数电子工程师热衷的课题，在音频设计中人们对完美的追求远远超过对成本的考虑。然而，最简单的电路有时可提供最佳性价比方案。虽然市场上众多新的低功率扬声器彰显出向D类音频性能发展的趋势，但就低成本、低失真和低噪声而言，AB类音频性能仍然最有竞争力。 -Audio Design has been the most enthusiastic about the subject of electronic engineers in the audio design in the pursuit of perfection far beyond cost considerations. However, the most simple circuit can sometimes provide the best cost-effective program. Although the market on a wide range of new low-power speaker underlines Class D audio performance to the development trend, but on the low-cost, low distortion and low noise is concerned, AB audio performance is still the most competitive.
Platform: |
Size: 206848 |
Author: 万柳 |
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Description: 声音是通过空气传播的一种连续的波，叫声波。声音的强弱体现在声波压力的大小上，音调的高低体现在声音的频率上。声音用电表示时，声音信号在时间和幅度上都是连续的模拟信号。-Through air-borne sound is a continuous wave, wave sounds. The voice of the strength reflected in the size of acoustic pressure, the tone reflected in the high and low frequency sounds. Said the voice of power, the voice signal in time and amplitude are continuous analog signal.
Platform: |
Size: 360448 |
Author: thl0971 |
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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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Description: 用mega8 做的音频分析，能够实时显示mic输入的音频信号波形和频谱。-Mega8 to do with audio analysis to real-time display mic input audio signal waveform and frequency spectrum.
Platform: |
Size: 2324480 |
Author: mt |
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Description: linux音频编程文档及演示代码，想学习Linux音频编程的可以看一看-linux audio programming document and presentation code, want to learn Linux audio programming can take a look at
Platform: |
Size: 635904 |
Author: 小六 |
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Description: GSM音频编解码源程序，也就是GSM音频编解码的软件源码程序，是基于VC编译器的- GSM The audio frequency arranges the decoding source program . Is also the GSM audio frequency arranges the decoding the software sound code procedure, is based on the VC compiler
Platform: |
Size: 83968 |
Author: 余志杰 |
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Description: 本设计采用TMS320F28234 DSP芯片，设计了一台音频频率数字扫频仪。系统由扫频信号产生及调理模块、帯阻网络模块、幅频特性测试模块、数字幅频均衡模块以及人机交互模块组成。扫频信号由DSP内部PWM模块产生经外部有源低通滤波器进入带阻网络。应用数字信号处理技术在 DSP内部实现幅频特性测试，测试结果通过DSP的SCI在电脑显示器上显示，幅频均衡部分利用利用Matlab和基本部分中测得的陷波特性得出均衡算法中的滤波器的系数和阶数，然后在DSP内部对帯阻网络实现了均衡，完成了要求的各项指标。-A digital audio frequency sweep generator is developed with TMS320F28234 DSP chip in our design. The system consists of a sweep signal generation and conditioning module, band-stop network module, amplitude-frequency characteristic test module, digital amplitude-frequency equalization module and interaction module. The sweep signal generated by PWM module inner DSP pass the low-pass filter and then input the band-stop network. Digital signal processing technology is used in DSP to test the amplitude-frequency characteristic, and the test results are showed on computer monitor by the SCI of DSP, the amplitude-frequency equalization section computes the coefficients and order of the filter by matlab and trap characteristic measured in the basic part, then we achieve the equalization of the band-stop network, and complete all the requested indicators.
Platform: |
Size: 4386816 |
Author: 陶宝 |
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Description: 本设计采用TMS320F2808 DSP芯片，制作了一台音频频率数字扫频仪，能够测量未知网络音频范围内的幅频特性。该系统具有良好的可扩展性，关键系统参数软件可调，并可通过算法设计实现相频特性的测量，同时小巧灵活，具有实时性强，精度高的特点。用户可以通过PC机上友好的用户界面方便灵活地控制整个系统的工作，查看数据及观察测试曲线。-This design uses TMS320F2808 DSP chip, produced a digital audio frequency sweep generator, capable of measuring an unknown network audio amplitude-frequency characteristics within. The system has good scalability, software adjustable key system parameters, and can be achieved through algorithm design phase frequency characteristics are measured, while compact and flexible, with a real-time, high accuracy. Users can through the PC, convenient and flexible user-friendly interface to control the entire system, view data and observation test curve.
Platform: |
Size: 8296448 |
Author: 黄超 |
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Description: 电子分频器：有源电路，位于功率放大器之前，将前置音频信号分频后再用各自独立的功率放大器，把每一个音频频段信号给予放大，然后分别送到相应的扬声器单元-Electronic frequency divider: active circuits, in front of the power amplifier, will lead audio signal frequency and then separate the power amplifier, the every audio frequency signals given amplification, and then were sent to the corresponding speaker unit
Platform: |
Size: 10240 |
Author: 王丽 |
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