DOCSLIB.ORG

Execution of Mobile Video Calls Utilizing Holographic View Dr .I.Lakshmi Assistant Profsssor, Department of Computer Science, Stella Maris College, Chennai-600086

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Execution of Mobile Video Calls Utilizing Holographic View Dr .I.Lakshmi Assistant Profsssor, Department of Computer Science, Stella Maris College, Chennai-600086 SSRG International Journal of Mobile Computing & Application (SSRG - IJMCA) - Volume 6 Issue 1 Jan to April 2019 Execution of Mobile Video Calls utilizing Holographic View Dr .I.Lakshmi Assistant Profsssor, Department of Computer Science, Stella Maris College, Chennai-600086. Abstract -- Execution of holographic video brings in I. INTRODUCTION cell phones utilizing of multi dimensional image 3D video technology is used to form a hologram on projectors extra to TFT shows. Here we use multi a telephone. "We see 3D [video] technology moving dimensional image projectors for video calls by into the telephone, which can have the flexibility to putting away video as holographic pictures through transmit data off the telephone to form a 3D pic, the technique for Computer Generated Holography. projecting the pic on any surface in life size," With a Issue proclamation: Hologram video calls are not in cell phone hologram, a user would be able to walk use, they are basically under research condition. 3D next to a pic of an exponent, or a worker might image makes video brings in 3D virtual presentation. project associate enlarged 3D image of a product So as to get visualization use cell phones by methods needing repair to walk within it and sight issues, for multi dimensional image projectors in the method Bloom said. "The repair person could go within the for PC produced holography. Approach: Computer device instead of wanting it up in a very manual, it Generated Holography (CGH) is the strategy for has numerous implications." The cameras that are carefully creating holographic obstruction designs. A being used to form early versions of holograms still holographic picture can be created e.g. by carefully got to be miniaturized, and software wants to be figuring a holographic obstruction example and written to for receiving input from those cameras, printing it onto a veil or film for resulting many of the innovations on cell phones and enlightenment by reasonable sound light source. alternative mobile devices. For example, IBM Then again, the holographic picture can be enlivened predicts that commuters will get personalised by a holographic 3D show (a presentation which travelling data, possibly on a cell phone or works based on obstruction of intelligible light), microcomputer that mixes an individual's calendar bypassing the need of manufacturing a "printed for a given day with recent traffic reports from copy" of the holographic impedance design each multiple sources. The information might come back time. Thus, as of late the expression "PC created from pursuit the speed of cars on a main road, based holography" is progressively being utilized to signify on the time it takes for a telephone to maneuver from the entire procedure chain of artificially getting one cell tower to succeeding one. ready holographic light wave fronts reasonable for perception. Holographic PC shows for an extensive II. MATERIALS AND METHODS variety of utilizations from CAD to gaming, PC Generated Holography (CGH) is the strategy for holographic video and TV programs, car and carefully creating holographic obstruction designs. A correspondence applications (mobile phone shows) holographic picture can be created e.g. by carefully and some more. Results: 3D visualization pictures figuring a holographic impedance example and are set in the video outlines by multi dimensional printing it onto a veil or film for consequent image projectors while we make a video calls. End: enlightenment by reasonable lucid light source. On By utilizing the multi dimensional image projectors in the other hand, the holographic picture can be the cell phones. Holographic pictures are put away in enlivened by a holographic 3D show (a presentation the edges in video. While making the video call 3D which works based on obstruction of cognizant light), multi dimensional image video will be shown through bypassing the need of manufacturing a "printed copy" 3D image small scale projector. Voices are of the holographic impedance design each time. transmitted through receivers and speakers. Subsequently, as of late the expression "PC created Keywords -- Hologram, Holography, Computer holography" is progressively being utilized to signify generated holography (CGH), LBO projector, the entire procedure chain of artificially getting ready Fourier transform method, 3 Dimension, video holographic light wave fronts appropriate for frames, point source algorithms. perception. PC created multi dimensional images have the preferred standpoint that the articles which ISSN: 2393 – 9141 http://www.internationaljournalssrg.org Page 8 SSRG International Journal of Mobile Computing & Application (SSRG - IJMCA) - Volume 6 Issue 1 Jan to April 2019 one needs to indicate don't need to have any physical accounted for at 1966. Lamentably, the analysts reality whatsoever (totally manufactured before long understood that there are discernible visualization age). Then again, if holographic lower and upper limits as far as computational speed and picture quality and devotion separately. Wave information of existing items is created optically, yet front figurings are computationally extremely carefully recorded and prepared, and conveyed to concentrated; even with present day scientific show thusly, this is named CGH too. At last, PC methods and top of the line registering hardware, created holography may serve every one of the jobs continuous calculation is precarious. There are a wide of current PC produced symbolism: holographic PC range of strategies for computing the obstruction shows for an extensive variety of utilizations from design for a CGH. In the following 25 years a ton of CAD to gaming, holographic video and TV strategies for CGHs have been proposed in the fields of holographic data and computational decrease and programs, car and correspondence applications also in computational and quantization systems. In (mobile phone shows) and some more. Which will the field of computational procedures the revealed resemble fig 2.1. calculations can be ordered in two principle ideas. Fourier changes technique In the first the Fourier change is utilized to recreate the proliferation of each plane of profundity of the question the 3D image plane. The Fourier change idea was first presented by Brown and Lohmann with the reroute stage strategy prompting cell arranged 3D images. A coding strategy recommended by Burch supplanted the cell arranged 3D images by point multi dimensional images and made this sort of PC created 3D images progressively appealing. In a Fourier Transform visualization the reproduction of the picture happens in the far field. This is generally accomplished by utilizing the Fourier changing properties of a positive focal point for reproduction. So there are two stages in this procedure: figuring the light field in the far spectator plane, and after that Fourier changing this field back to the focal point plane. These 3D images are called Fourier Based Holograms. First CGHs dependent on the Fourier Fig 2.1 change could reproduce just 2D pictures. Darker and Holography is a method initially imagined by Lohmann acquainted a strategy with figure PC Hungarian physicist Dennis Gabor (1900-1979) to created 3D images of 3D objects. Figuring of the enhance the settling power on electron magnifying light engendering from three-dimensional articles is lens. A protest is lit up with a sound (generally performed by the standard explanatory guess to the monochromatic) light pillar; the dispersed light is Fresnel-Kirchhoff diffraction necessary. The wave conveyed to obstruction with a reference light front to be reproduced by the 3D image is, emission same source, recording the impedance subsequently, the superposition of the Fourier design. CGH as characterized in the presentation has changes of each protest plane top to bottom, altered comprehensively three undertakings: by a quadratic stage factor. 1. Calculation of the virtual dissipated wave Point Source Holograms front The second computational technique depends on the 2. Encoding the wave front information, setting point source idea, where the question is separated in it up for showcase self-radiant focuses. A basic multi dimensional image 3. Remaking: Modulating the impedance is determined for each point source and the last design onto a cognizant light pillar by visualization is orchestrated by superimposing all the innovative means, to transport it to the client basic 3D images. This idea has been first detailed by watching the multi dimensional image. Note Waters whose real suspicion started with Rogers who that it isn't constantly defended to make a perceived that a Fresnel zone plate could be viewed strict qualification between these means; as an uncommon instance of the 3D image proposed anyway it encourages the discourse to by Gabor. Be that as it may, the extent that the structure it thusly. greater part of the question focuses was non-zero Wave front calculation the computational intricacy of the point-source idea PC produced visualizations offer essential focal was a lot higher than in the Fourier change idea. A points over the optical 3D images since there is no few scientists attempted to beat this downside by requirement for a genuine protest. In view of this a predefining and putting away all the conceivable leap forward in three-dimensional showcase was basic 3D images utilizing on top extraordinary normal when the primary calculations were information stockpiling methods on account of the ISSN: 2393 – 9141 http://www.internationaljournalssrg.org
Load more

Recommended publications
  • Depthq HD 3D Projector 2009 Lightspeed PDF WEB
    Affordable HD3D3D From the originators of portable 3D projection. The New DepthQ® HD 3D Video Projector The world’s rst portable WXGA stereoscopic 3D projector. DepthQ® HD 3D projectors oer rock-solid, 120Hz stereo 3D at 1280x720 resolution. These bright, professional-level 3D projectors can easily display 10 ft (3.0m) diagonal 3D high-denition images using the latest Texas Instruments DLP® and BrilliantColor™ technologies - for stunning colors, a 2000:1 contrast ratio, and a truly unprecedented level of price-performance. Aordable – A fraction of the cost of other single- lens 3D projectors Flicker-free, 120 Hz HD 3D with DLP ® Quality – ® DepthQ HD 3D Projector depthQ.com BrilliantColor TM technology Portable – At 6.9 pounds it ts under your arm and takes less than 5 minutes to set up First in its class: Lightspeed Design presents the portable stereo 3D solution. The DepthQ® HD 3D video projector is a revolutionary lightweight single lens Versatile – Work live in 3D-enabled applications; quality projector capable of achieving frame rates of 120 Hz. When used with a control 3D lm or video game development; stereoscopic 3D image source and liquid crystal shutter glasses, DepthQ® HD bring immersive 3D games into your home 3D projectors will provide a rock-solid high-denition stereo 3D experience. Product Design, Engineering and Research The new DepthQ® HD 3D projector (patent-pending) is a product of Stereo 3D is scientically proven as the most eective way to communicate visual ideas. The Lightspeed Design Inc., co-developed new DepthQ® HD 3D projectors make stereo viewing an aordable choice for anyone working with InFocus Corporation.
    [Show full text]
  • Screen Size Selection
    Screen Size Selection One of the most important decisions in screen selection is to determine the correct size of screen based upon the dimensions of the audience area and the projection format(s) to be used. In some situations, these two questions yield the same answer; in • Ceiling Height—The bottom of the screen should be approximately others they do not and compromises must be made. Here are the key 40–48" above the floor in a room with a level floor and several rows considerations— of seats. In rooms with theatre seating or only one or two rows, • Audience Area—In determining the correct screen size in relation to such as a home theatre, the bottom of the screen should usually be the audience area, the goal is to make the screen large enough so 24–36" above the floor. Try to make sure that the lower part of the those in the rear of the audience area can read the subject matter screen will be visible from all seats. Extra drop may be required to easily, but not so large that those in the front of the audience area position the screen at a comfortable viewing level in a room with a have difficulty seeing the full width of the projected image. high ceiling. • Height—Use the following formulas for calculating screen height for • Projection Format—Once you have determined the correct size of maximum legibility. For 4:3 moving video and entertainment, screen screen for the audience area, that size may be modified height should be at least 1/6 the distance from the screen to the based upon the type(s) of projection equipment to be used.
    [Show full text]
  • How to Wire Motorized Projection Screens Cinemasource , 18 Denbow Rd., Durham, NH 03824
    How To Wire Motorized Projection Screens CinemaSource , 18 Denbow Rd., Durham, NH 03824 www.cinemasource.com CinemaSource Technical Bulletins. Copyright 2002 by CinemaSource, Inc. All rights reserved. Printed in the United States of America. No part of this bulletin may be used or reproduced in any manner whatsoever without written permission, except in brief quotations embodied in critical reviews. CinemaSource is a registered federal trademark. For information contact: The CinemaSource Press, 18 Denbow Rd. Durham, NH 03824 How to Wire Motorized Projection Screens Motorized Screen Wiring • Using up/down wall switches ----------------------------------------------------- Page5 • Screen control using relays ------------------------------------------------------- Page 6 • IR wireless screen control --------------------------------------------------------- Page 8 • RF wireless screen control -------------------------------------------------------- Page 9 • Screen control via current sensing devices ----------------------------------- Page 10 • X-10 screen control ------------------------------------------------------------------ Page 12 Glossary • A collection of projection screen-related terminology ----------------------- Page 14 SCREEN MANUFACTURERS PROFILED IN THIS GUIDE: DA-LITE SCREEN, 3100 North Detroit St., Warsaw, IN 46581 800-622-3737, www.da-lite.com DRAPER, 411 S. Pearl St., Spiceland, IN 47385 800-238-7999, www.draperinc.com VUTEC Corporation, 5900 Stirling Road, Hollywood, FL 33021 800-770-4700, www.vutec.com STEWART FILMSCREEN,
    [Show full text]
  • Display's the Thing: the Real Stakes in the Conflict Over High Resolution Displays
    Display's the Thing: The Real Stakes in the Conflict Over High Resolution Displays Jeffrey Hart and Michael Borrus (c) Copyright Hart and Borrus 1992 I. Display's the Thing: The Real Stakes In the Conflict Over High- Resolution Displays In Akira Kurasawa's film _Rashomon_, several witnesses to a murder tell the story of what they saw. Despite viewing the same event, the witnesses' stories are radically different, so much so that the event itself is ultimately called into question. So has it been with the debate over the next generation of high- resolution video technology. Some look and see a bigger and better television set (high-definition television or HDTV), but usually dismiss what they see as economically (though perhaps not politically) insignificant.1 Others look and see a significant component technology (high-resolution displays or HRD) beginning to pervade a wide variety of electronic systems. They recognize in displays a technological kinship to silicon chips -- an industry with potential strategic significance for commercial and military applications. But the conflict of perspectives should not, as it did in _Rashomon_, cast doubt on the event. The high-resolution display industry is a symbol of a major transformation underway in electronics: that is, the emergence of new component, machinery, and materials technologies driven by commercial, high-volume, integrated micro-systems applications and controlled increasingly by a few integrated producers located outside the United States. This paper argues that the industrial and geographic concentration of the sourcing, development, production, and integration of electronics technologies and systems in Asia portends new patterns of industrial constraint and opportunity, with significant economic and military implications.
    [Show full text]
  • FOCUS Mini Video Projector
    Quick Start Guide AKASO FOCUS Mini Video Projector V1.3 CONTENTS English 01 - 13 Español 14 - 26 日本語 27 - 39 English PROJECTOR BUTTONS & FUNCTIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 1 Focusing Wheel 8 Power Bank Mode 2 Return 9 DC 3 Forward 10 USB 4 Backward 11 HDMI 5 OK 12 Earphone 6 Projection Mode 13 Memory Card Port 7 Power Button Note: When in the EZWire/EZCast/HDMI interface, the button function is changed. Forward: Change to volume + Backward: Change to volume - 1 INFRARED REMOTE CONTROL On/Off Mute EZCast Operation No Function HDMI Operation Directions OK Menu Return Home Vol +/- Note: When using the IR remote control, you should aim at the projector rather than screen. POWER ON/OFF 1. Pull the power button to the left and hold it for about four seconds until the green indicator on the projector bottom is lit up, then the projector starts to work. 2. Turn the power button to the left again and hold it for about two seconds to shut down the projector. 3. Turn the power button to the right to lock the button, then the projector can be used as a power bank. 2 POWER BANK MODE AND CHARGING METHOD 1. When the projector is in power bank mode/ projection mode, the projector can charge other devices via USB port. 2. In order to improve charging efficiency, please charge the projector with the original power adapter in power bank mode. 3. The number of indicators represent remaining capacity of battery.
    [Show full text]
  • Staging Success: Toward a New Performance Model for Live-Event Projection
    Photo by Gabor Ekecs Staging Success: Toward a New Performance Model for Live-Event Projection PRESENTED BY IN COLLABORATION WITH As the solid-state revolution in video projection powers on, sophisticated stagers know that all laser projectors are not created equal, and they’re demanding features that deliver not just better total cost of ownership (TCO) but also better imaging, rigging, and video processing performance. INTRODUCTION The best video projectors for live-event staging combine unique light engine and image-processing advances with advanced setup, rigging, and other features that make the staging professional’s job easier and more profitable. But when choosing the right projector for staging and live-event applications, professionals need to carefully compare feature sets and performance criteria. The rental and staging professional should seek out key advanced features—features that are being implemented by the most successful professionals in the field today. This white paper examines those image-quality, motion-processing, rigging, cooling, maintenance, and TCO best practices and features that separate the leaders from the followers among the projector manufacturers serving the live-event staging community. At the Olympic Games Rio 2016 Opening Ceremony, aspects of Brazilian culture and heritage were enhanced with spectacular large- scale mapped visuals carefully programmed and projected from four directions using the PT- RZ31K SOLID SHINE Laser projector and about 110 Panasonic PT-DZ21K2 projectors. Marco Balich, Olympic Ceremonies Executive Producer remarked: “We are very pleased that Panasonic partnered with us in delivering what I consider the best projection ever in an Olympic ceremony.” Stereoscopic floor and screen projection defined the Olympic Games Rio 2016 Opening Ceremony.
    [Show full text]
  • Implementation of Holographic View in Mobile Video Calls
    Volume 2, Issue 10, October 2012 ISSN: 2277 128X International Journal of Advanced Research in Computer Science and Software Engineering Research Paper Available online at: www.ijarcsse.com Implementation of Holographic View in Mobile Video Calls * Vignesh.M , SaravanaJothi.M, Computer science and engineering, Computer science and engineering, Anna University, Chennai. Anna University, Chennai. Abstract--- Implementation of holographic video calls in mobile devices using of hologram projectors additional to TFT displays. Here we use hologram projectors for video calls by storing video as holographic images through the method of Computer Generated Holography. Problem statement: Hologram video calls are not in usage, they are simply under research condition. Hologram makes video calls in 3D virtual display. In order to bring hologram usage in mobile phones by means of hologram projectors in the way of computer generated holography. Approach: Computer Generated Holography (CGH) is the method of digitally generating holographic interference patterns. A holographic image can be generated e.g. by digitally computing a holographic interference pattern and printing it onto a mask or film for subsequent illumination by suitable coherent light source. Alternatively, the holographic image can be brought to life by a holographic 3D display (a display which operates on the basis of interference of coherent light), bypassing the need of having to fabricate a "hardcopy" of the holographic interference pattern each time. Consequently, in recent times the term "computer generated holography" is increasingly being used to denote the whole process chain of synthetically preparing holographic light wave fronts suitable for observation. Holographic computer displays for a wide range of applications from CAD to gaming, holographic video and TV programs, automotive and communication applications (cell phone displays) and many more.
    [Show full text]
  • State-Of-The-Art in Holography and Auto-Stereoscopic Displays
    State-of-the-art in holography and auto-stereoscopic displays Daniel Jönsson <Ersätt med egen bild> 2019-05-13 Contents Introduction .................................................................................................................................................. 3 Auto-stereoscopic displays ........................................................................................................................... 5 Two-View Autostereoscopic Displays ....................................................................................................... 5 Multi-view Autostereoscopic Displays ...................................................................................................... 7 Light Field Displays .................................................................................................................................. 10 Market ......................................................................................................................................................... 14 Display panels ......................................................................................................................................... 14 AR ............................................................................................................................................................ 14 Application Fields ........................................................................................................................................ 15 Companies .................................................................................................................................................
    [Show full text]
  • A Survey on 3D Video Calling: Implementation of Holographic Video Calls
    International Journal of Research in Engineering, Science and Management 831 Volume-1, Issue-12, December-2018 www.ijresm.com | ISSN (Online): 2581-5792 A Survey on 3D Video Calling: Implementation of Holographic Video Calls Pratul Das1, Arjun Singh2, Shubham Gupta3, Juhi Agarwal4 1,2,3Student, Dept. of Computer Science Engineering, Babu Banarsi Das Inst. of Technology, Ghaziabad, India 4Assistant Professor, Dept. of Computer Science Engg., Babu Banarsi Das Inst. of Technology, Ghaziabad, India Abstract: Implementation of holographic video calls in mobile 2. Materials and methods devices using of hologram projectors further to TFT displays. Here we tend to use hologram projectors for video calls by storing A. Computer generated holography (CGH) video as holographic pictures through the technique of computer Computer Generated holography (CGH) is that the device Generated holography. Downside statement: hologram methodology of digitally generating holographic interference video calls aren't in usage they’re merely in research condition. patterns. A holographic image are often generated e.g. by Hologram makes Video Calls in 3D virtual screen. So as to bring hologram usage in mobile phones by suggests that of hologram digitally computing a holographic interference pattern and projectors within the manner of computer device generated printing it onto a mask or film for resulting illumination by holography. A holographic image will be generated e.g. by digitally appropriate coherent source of illumination. Instead, the computing a holographic interference pattern and printing it onto holographic image are often brought to life by a holographic 3D a mask or film for subsequent illumination by appropriate display (a display that operates on the idea of interference of coherent source of illumination.
    [Show full text]
  • What's DTV, HDTV, DLP, SED and All That Stuff?
    NEWNEWVISUALVISUAL 2005 2005 SOLUTIONSSOLUTIONS THE ULTIMATE REFERENCE GUIDE TO DIGITAL VISUAL SOLUTIONS AND DIGITAL CONVERGENCE What’s DTV, HDTV, DLP, SED and all that stuff? How does it work? What can I really use it for? Who makes what? Who sells what? How can I choose? By Cleverdis ARTISTIC SERIES FLATRON L1940P 26mm Every high-performance machine needs a high-performance engine. The world’s first picture-enhancing chip for LCD monitors. FLATRON L1730S 17 TFT LCD Monitor Too fast to chase! response time breaks the speed limit. LG FLATRON EDITORIAL INFORMATION Contents A CLEVERDIS PUBLICATION 116 avenue Eugène Mirabel, 13480 Cabriès • France CHAPTER 1 Tel : + 33 4 42 77 46 00 - Fax : + 33 4 42 77 46 01 CES Innovations Honorees E-mail : [email protected] 07 www.cleverdis.com SARL capitalised at €128,250 - VAT FR 95413604471 08 LCD TV RCS Aix-en-Provence B 413 604 471 - 00024 11 Projection TV 13 Plasma Publisher: Gérard Lefebvre Publishing Director: Jean-Guy Bienfait 15 New CRT Technologies Editor-in-Chief: Richard Barnes 17 Monitors Design & Page Setting: Valentina Russo Cover: © LGe, Samsung, Brillian Printing: Imprimerie Toscane (Nice - 06) CHAPTER 2 With the participation of: Xin Corre, Tatiana Gerassimato, What’s good for what? How to choose? 19 Anne Michalczyk, Arnaud Monge, Raphaël Pinot, Marie-Armel Raut, Colin Sharp, Bettina Spegele. 20 The Flat Screen Revolution Selecting a Flat TV (LCD & Plasma TV) © CLEVERDIS 2005 22 Registration of Copyright January 2005 - ISSN pending 25 Display Quality Criteria - Yves Faroudja Information presented in this publication is purely indicative in 26 Rear Projection TV - The Bigger Brother for a Smaller Price order to illustrate subjects contained therein.
    [Show full text]
  • Video Projector
    4-118-727-01 (2) Video Projector Operating Instructions VPL-BW5 © 2008 Sony Corporation determined by turning the equipment off and WARNING on, the user is encouraged to try to correct the interference by one or more of the following measures: To reduce the risk of fire or electric - Reorient or relocate the receiving antenna. shock, do not expose this apparatus - Increase the separation between the to rain or moisture. equipment and receiver. - Connect the equipment into an outlet on a To avoid electrical shock, do not circuit different from that to which the open the cabinet. Refer servicing to receiver is connected. qualified personnel only. - Consult the dealer or an experienced radio/ TV technician for help. WARNING You are cautioned that any changes or THIS APPARATUS MUST BE modifications not expressly approved in this EARTHED. manual could void your authority to operate this equipment. IMPORTANT The nameplate is located on the bottom. All interface cables used to connect peripherals must be shielded in order to WARNING comply with the limits for a digital device When installing the unit, incorporate a pursuant to Subpart B of Part 15 of FCC readily accessible disconnect device in the Rules. fixed wiring, or connect the power plug to an easily accessible socket-outlet near the unit. If you have any questions about this product, If a fault should occur during operation of you may call: the unit, operate the disconnect device to Sony Customer Information Service Center switch the power supply off, or disconnect 1-800-222-7669 or http://www.sony.com/ the power plug.
    [Show full text]
  • Next Gen Projectors Why Choosing Laser Projection Makes Sense for Churches
    Next Gen Projectors Why choosing laser projection makes sense for churches Summary Our existing lamp based projector was failing and was not really bright enough to serve our needs as we anticipated transitioning to IMAG (image Projection for use during Sunday morning church made its rather quiet debut magnification), where a pastor’s—or vocalist’s—live image can be projected in the 1980’s. Today, projection has grown to become a multimedia staple of onto a screen to provide an up-close experience for those in more remote the modern worship experience. seating. In the eighties, both slide and overhead projectors provided a way for song In our research to find the best solution we looked at, and priced, three different lyrics to be projected during services. In the nineties the technology graduated options; lamp based projection, LED walls and the latest technology to grace to video projection and the use of PowerPoint software, which ruled the this realm—laser projection. presentation landscape. Our church’s screen is 9’x16,’ and like many churches, we have ambient light In the early 2000’s data projection and the exponential advances of presentation issues to deal with. To make a purchase decision we looked at four areas: life software have made their mark. Now in the second decade of the 2000’s, expectancy, maintenance, initial investment and total cost of ownership. LED walls and laser projection are coming into the forefront of presentation hardware. A Bright New Technology Recently, the church I serve at went through the challenge of purchasing new A benefit of recent advancements is that new technologies bring bright, display equipment.
    [Show full text]