december 1997 zoran corporation n 3112 scott blvd. n santa clara, ca 95054 n (408) 919-4111 n fax (408) 919-4122 n www.zoran.com product brief n the VIDEO inlet is a usb plu g and pla y peripheral for real-time capture of full motion VIDEO to the pc n hi g h-qualit y , low-cost and eas y -to-use solution n input is standard ntsc or pal composite VIDEO from camcorder, vcr, desktop camera or tv n output si g nal is usb compliant, can be connected to an y usb port n there are two output modes: mjpeg compressed VIDEO and 4:2:2 uncompressed yuv VIDEO n capture resolutions in ntsc/pal are: full (704 x 480/576), cif (352 x 240/288) and qcif (176 x 120/144) n real-time capture (30 fps in ntsc, 25 fps in pal) of cif resolution in mjpeg compression mode n capture of uncompressed qcif resolution VIDEO at 15 fps n audio is captured simultaneousl y usin g the pc sound card n software drivers are for windows 95 and windows 98, supportin g VIDEO for windows applications n jpeg software decoder included for real-time displa y while capturin g and for pla y back from a file n jpeg software encoder included to support VIDEO editin g applications n hot attach / detach, no reboot, no need to open pc box n supports ohci and uhci usb controllers and microsoft usbd software stack n complete reference desi g n kit contains evaluation board, documentation, schematics, bill of materials and software in object code n ro y alt y free license provided for software drivers distribution n drivers source code also available n based on zoran field proven mjpeg codec technolo gy features applications description the VIDEO inlet is an external usb box that enables connection of an y composite VIDEO source from a standard camera, vcr, tv set or camcorder and transfer into the pc in compressed format (optional). this hi g h qualit y VIDEO can be used in the pc for stora g e onto the hard disk, VIDEO editin g , or sendin g as VIDEO mail. it works also with VIDEO conferencin g applications and for VIDEO servers on the web. the VIDEO is decompressed in software b y the cpu and displa y ed on the pc monitor. the main advanta g es of the VIDEO inlet are its hi g h-qualit y and simple installation. it supports hot attach / detach to the usb port and there is no need to open the pc box or to reboot the s y stem. n VIDEO capture of real time clips n capture of still ima g es n VIDEO editin g (e. g . VIDEOwave, mediastudio) n VIDEO mail n VIDEO on the web n desktop VIDEO conferencin g (e. g . netmeetin g ) n VIDEO clips in presentations (power point) n VIDEO for trainin g n VIDEO in educational titles n VIDEO clips for entertainment n photo album VIDEO inlet? usb VIDEO capture reference design figure 1. VIDEO inlet system block diagram usb port pc pc monitor standard camera VIDEO inlet composite VIDEO signal usb protocol
2 usb VIDEO capture reference desi g n for more information: u.s. headquarters n zoran corporation 3112 scott blvd. santa clara, ca 95054 usa telephone: +1 (408) 919-4111 fax: +1 (408) 919-4122 israel operations n zoran microelectronics, ltd. advanced technology center p.o. box 2495 haifa, 31024 israel telephone: +972 4 8545-777 fax: +972 4 8551-550 canada n zoran toronto labs 2157 queen street east suite 302 toronto, ontario, canada m4e 1es telephone: +1 (416) 690-3356 fax: +1 (416) 690-3363 japan n zoran sales office 2-26-2 sasazuka shibuya-ku, tokyo 151 japan telephone: +81 3 5352-0971 fax: +81 3 5352-0972 VIDEO decoder figure 2. VIDEO inlet detailed block diagram zoran zr36060 jpeg codec frame fifo 8x930 usb controller VIDEO in usb port pc zoran jpeg software codec functional description the main components of the VIDEO inlet are depicted in the detailed block diagram below. three modes of operation are supported: mjpeg real-time capture, uncompressed yuv capture and still image full resolution capture. the system is capable of capturing up to cif resolution real-time VIDEO with simultaneous display on the pc monitor. this high quality VIDEO is enabled by using the zoran zr36060 integrated jpeg codec. the VIDEO inlet, bundled with simple to use VIDEO capture and editing applications, will create the market for low-cost VIDEO capture and editing on the pc. minimum system requirement n pentium processor; 166 mhz minimum n usb port on pc or hub n win95 (with osr 2.1) or win98 operating system n VIDEO source (ntsc or pal, composite) n hard disk space for capture (about 45mb/minute at best quality level.) reference design kit contents n board in a plastic case and usb cable n dc adapter (optional) n electrical schematics (orcad and postscript) n technical reference manual n installation guide n software drivers (win95 and win98) n jpeg software codec
|
