It would not be an exaggeration to say that semiconductor devices have transformed humanlife. From computers to communications to internet and video games these devices and the technologies they have enabled have expanded human experience in a way that is unique in history. Semiconductor devices have exploited materials, physics and imaginative applications to spawn new lifestyles. Of course for the device engineer, in spite of the advances, the challenges of reaching higher frequency, lower power consumption, higher power generation etc.
上传时间： 2013-10-28
上传用户：songnanhua
Audio100 audio tester是短歌行网站（WWW.AUDIO100.COM）开发的音频信号发生器软件，提供了35种不同频率的正弦波信号，也提供了3组粉红噪音信号和一组20Hz－20kHz的扫频信号，所有信号的幅度为-20dB。Audio100 audio tester中的波形信号全部从专业音频信号发生仪器采样，所产生波形的频率极为准确，失真度也极小，并且提供了专业的音频测试信号说明。在1.0以前的版本均为测试版本，在以后的版本中将加入更多频率的正弦波和不同频率的方波、三角波等波形信号，成为一个具有专业品质的软信号发生器。
上传时间： 2013-11-11
上传用户：zl520l
Audio100 audio tester是短歌行网站（WWW.AUDIO100.COM）开发的音频信号发生器软件，提供了35种不同频率的正弦波信号，也提供了3组粉红噪音信号和一组20Hz－20kHz的扫频信号，所有信号的幅度为-20dB。Audio100 audio tester中的波形信号全部从专业音频信号发生仪器采样，所产生波形的频率极为准确，失真度也极小，并且提供了专业的音频测试信号说明。在1.0以前的版本均为测试版本，在以后的版本中将加入更多频率的正弦波和不同频率的方波、三角波等波形信号，成为一个具有专业品质的软信号发生器。
上传时间： 2013-10-18
上传用户：半熟1994
This application note shows how a Xilinx CoolRunnerTM-II CPLD can be used as a simplelogical switch that can quickly and reliably select between different MPEG video sources. Thesource code for the design is available on the Xilinx website, and is linked from the “VHDLCode” section. The code can be expanded by the user to perform additional operations usingthe remaining CPLD resources
标签： CoolRunner-II Xilinx XAPP CPLD
上传时间： 2013-12-16
上传用户：qwer0574
The SDI standards are the predominant standards for uncompressed digital videointerfaces in the broadcast studio and video production center. The first SDI standard,SD-SDI, allowed standard-definition digital video to be transported over the coaxial cableinfrastructure initially installed in studios to carry analog video. Next, HD-SDI wasto support high-definition video. Finally, dual link HD-SDI and 3G-SDIdoubled the bandwidth of HD-SDI to support 1080p (50 Hz and 60 Hz) and other videoformats requiring more bandwidth than HD-SDI provides.
上传时间： 2013-12-08
上传用户：liansi
This application note covers the design considerations of a system using the performance features of the LogiCORE™ IP Advanced eXtensible Interface (AXI) Interconnect core. The design focuses on high system throughput through the AXI Interconnect core with F MAX and area optimizations in certain portions of the design. The design uses five AXI video direct memory access (VDMA) engines to simultaneously move 10 streams (five transmit video streams and five receive video streams), each in 1920 x 1080p format, 60 Hz refresh rate, and up to 32 data bits per pixel. Each VDMA is driven from a video test pattern generator (TPG) with a video timing controller (VTC) block to set up the necessary video timing signals. Data read by each AXI VDMA is sent to a common on-screen display (OSD) core capable of multiplexing or overlaying multiple video streams to a single output video stream. The output of the OSD core drives the DVI video display interface on the board. Performance monitor blocks are added to capture performance data. All 10 video streams moved by the AXI VDMA blocks are buffered through a shared DDR3 SDRAM memory and are controlled by a MicroBlaze™ processor. The reference system is targeted for the Virtex-6 XC6VLX240TFF1156-1 FPGA on the Xilinx® ML605 Rev D evaluation board
上传时间： 2013-11-23
上传用户：shen_dafa
VGA 是视频图形阵列（Video Graphics Array）的简称，是IBM 于1987 年提出的一个使用模拟信号的图形显示标准。最初的VGA 标准最大只能支持640*480 分辨率的显示器，而为了适应大屏幕的应用，视频电气标准化组织VESA（Video Electronics StandardsAssociation 的简称）将VGA 标准扩展为SVGA 标准，SVGA 标准能够支持更大的分辨率。人们通常所说的VGA 实际上指的就是VESA 制定的SVGA 标准。(1). VGA 接口VGA 采用15 针的接口，用于显示的接口信号主要有5 个：1 个行同步信号、1 个场同步信号以及3 个颜色信号，接口还包含自测试以及地址码信号，一般由不同的制造商定义，主要用来进行测试及支持其它功能。
上传时间： 2013-11-11
上传用户：咔乐坞
The high defi nition multimedia interface (HDMI) is fastbecoming the de facto standard for passing digitalaudio and video data in home entertainment systems.This standard includes an I2C type bus called a displaydata channel (DDC) that is used to pass extended digitalinterface data (EDID) from the sinkdevice (such as adigital TV) to the source device (such as a digital A/Vreceiver). EDID includes vital information on the digitaldata formats that the sink device can accept. The HDMIspecifi cation requires that devices have less than 50pFof input capacitance on their DDC bus lines, which canbe very diffi cult to meet. The LTC®4300A’s capacitancebuffering feature allows devices to pass the HDMI DDCinput capacitance compliance test with ease.
上传时间： 2013-11-21
上传用户：tian126vip
一款SmartPhone的驱动代码，其中包括Camera, Video controller, LCD, I2C, Keypad, DMA等多种驱动的源代码。
标签： SmartPhone 驱动 代码
上传时间： 2015-03-14
上传用户：myworkpost
一个在linux下的，针对声音设备文件，混音器的设置和配置，/dev/mixer,/dev/dsp,/dev/audio,
标签： linux
上传时间： 2013-12-23
上传用户：yan2267246
