Article View: comp.multimedia
Article #421More info on Video Blaster
From: Henry Chung
Date: Fri, 14 Aug 1992 23:55
Date: Fri, 14 Aug 1992 23:55
72 lines
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2588 bytes
OK, several people sent me E-mail asking for more infomation on Vblaster. Here is a brief description of its features. VIDEO ACQUISITION: - software selectable video source from 3 composite video inputs -supports NTSC and PAL system WINDOWS/OVERLAYING: -windows positioning and sizing on sigle pixel boundaries -VGA graphics and video overlay via graphics color key (256 keys) MASKS: -color keying, luminance and chrominance masking IMAGE ACQUISITION -supports PCX,TIFF,BMP,MMP,GIF,JPEG, and TARGA -resolution 640x480 VGA -supports up to 2 millions true colors IMAGE MANIPULATION -live and still image zooming and scaling -freeze, save and load video images -Crop and resize images -hue,saturation,brightness and contrast control -vertical and horizontal panning AUDIO MIXING -mix amplify stereo sound (0.5W output at 4 ohms load) -mix audio sources: stereo line-in, CD audio, stereo FM, microphone (note: You can input audio from SoundBlaster with a special cable from Creative lab. Vblaster does not come with any audio cables.:( ) -full software control of fade-in, faade-out,left/right volumes and mcrophone mixing INPUTS: -female RCA jacks for 3 video signals (75 ohms impedance) -D-15 connector for VGA output -Ribbon connection ofr VGA feature connector -Mono jack for microphone input -female RCA jacks for line input OUTPUTS -stereo jack speaker output -D-15 connector to SVGA monitor I/O memory address -software selectable I/O address -software selectable frame buffer base address (1-15M) -software selectable IRQ (irq 5, 10, 11, 12) Video frame buffer resolution -1024x512 SYSTEM COMPATIBILITIES AND REQUIREMENTS -IBM PC-AT and higher compatibles -full length 16 bit slot -VGA or multisync monitor runnning at 50-70Hz with horizontal scanning rate of about 31.5Kz. - not more than 15M of system RAM. The package comes the following software: -Video kit software -MMPLAY -VBDEMO -TEMPRA GIF -TEMPRA SHOW -MACROMIND ACTION! Hope this infomation can answer some of your questions about vblaster. Feel free to post any questions or send me e-mail if you want more information /Henry
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Newsgroups: comp.multimedia Path: arc1-ca.pugleaf.net!sparky!uunet!decwrl!pa.dec.com!rdg.dec.com!ryn.mro4.dec.com!armory.enet.dec.com!chungh From: chungh@armory.enet.dec.com (Henry Chung) Subject: More info on Video Blaster Message-ID: <1992Aug15.042205.8458@ryn.mro4.dec.com> Sender: news@ryn.mro4.dec.com (USENET News System) Organization: Digital Equipment Corporation Date: 14 AUG 92 23:55:42 Lines: 72