Dvr View
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US $219.99
Digital recording devices are becoming popular in the digital world and are increasingly becoming accessible to the home consumer. Some digital recording features can already be found in digital cameras while the more advanced recording features are prominent in HD digital camcorders. However, higher qualities and lengths of digital videos mean greater file sizes and when it comes to sharing videos online, therefore file sizes should be reduced to avoid long delays in sending and receiving the entire clip.
Video compression has come a long way, but the main objective still strives to have the smallest file size possible while still preserving good video and audio quality. MPEG4, H.264, and MJPEG are three DVR CODECs that aim to compress the videos for transferring purposes. Each of these formats have their own strengths and weaknesses.
First came MPEG-1 followed by MPEG-2 and now MPEG-4 comes into the picture. MPEG-4 is a massive upgrade to the MPEG-2 format that focuses more on compression. It is a standard that can effectively compress both audio and visual data for streaming purposes or to fit lengthy data on optical media.
Because it incorporates the existing technologies of MPEG-1 and MPEG-2, MPEG-4 is also good for video conversations and television broadcasts. It can shrink even the largest video files into small pieces for faster transfers through the internet or over a wireless network. Other data may be incorporated to the MPEG-4 as well like images or video. MPEG-4 also sports some interactive elements as long as they have the supported player to allow some layers of the video to be manipulated.
H.264 otherwise known as MPEG-4 Part 10 or AVC (Advanced Video Coding) takes the MPEG-4 format to another level and is advantageous over the older formats as it contains inter-picture prediction features allowing up to 32 picture references. It focuses on lossless methods and aims for flexibility on a variety of different systems. Their lossless methods can also reduce their file sizes even further than MPEG-4 formats making them ideal for HD video. Still many mobile devices use the more popular MPEG-4 format.
MJPEG is another format that may not be familiar by everyone. MJPEG basically comes from the JPEG format, which is highly standardized for compressing images. The MJPEG follows that same process and adds other stuff in streaming each image or frame together. The end result leads to lower CPU usages compared to the other formats, but higher file sizes leading to increased bandwidth needed for streaming.
Your choice of DVR compression depends on the specifications of your system and your intended use of distribution. This is why there is currently no format that rules over all. If you plan to distribute video clips for slower computers, MJPEG could be the choice. For better compatibility with mobile devices and standard computers, MPEG-4 could be a safe choice. If quality must be preserved while keeping the file size small (preferably on high definition videos), H.264 is the best choice. You can even try compressing the video in all 3 formats, compare them all, and see what looks best for you.
Sharon Macdonald is a retired teacher and high-tech security specialist. She is an expert in video and audio surveillance systems and techniques. See what she recommends to protect your family in her blog
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Lorex LIVE SD9 Wireless Digital Security System - LW2902 List Price: $499.95 Sale Price: $291.99 Used From: $245.49  |
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Lorex Technology LW2902 Video Surveillance System LW2902 Video Surveillance Systems |
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SVAT CV502-4CH-002 Web Ready 4 Channel H.264 500GB HDD DVR Security System with Smart Phone Access and 4 Indoor/Outdoor Hi-Res Night Vision CCD Surveillance Cameras List Price: $899.99 Sale Price: Too low to display Used From: $232.86 |
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The SVAT CV502-4CH is a complete DVR security system that has all the latest features yet is very easy to use. It has been specifically designed for do-it-yourself applications. This kit includes a four channel DVR with built-in hard drive, four indoor/outdoor night vision cameras, and all accessories needed to start monitoring your property immediately... |
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Take your entire HD home theater with you wherever you go with the Slingbox PRO-HD. Connect to multiple A/V devices and tune into your favorite TV shows, sporting events, and special programming in stunning, true-to-life 1080i high definition... |
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Logitech Revue Companion Box with Google TV and Keyboard Controller List Price: $99.99 Sale Price: $119.99 Used From: $90.95 |
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Logitech 970-000001 Revue With Google TV comes with an intuitive keyboard controller and an easy-to-set-up companion box that is equipped with the latest audio, video, and Internet connectivity. Your TV can be the TV of the future, the Logitech 970-000001 Revue With Google TV has a wide variety of apps created just for you, including Netflix, NBA TV, Pandora, and more. |
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60 minutes recording timeQuality at an exceptional valueAdvanced metal evaporated tape technologyDiamond-like carbon protective layer improves durability5 individually wrapped tapes |
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Use this amplified HDMI splitter to get identical output on two HDMI-compatible displays. Simple three step instructions: 1- Plug the HDMI sources and display devices into the splitter. 2- Connect the DC plug on the power adapter to the splitter... |
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Swann / 4CH DVR SMARTPHONE VIEW / SWDVR-42550H $288.33 Swann - 4CH DVR SMARTPHONE VIEW - SWDVR-42550H |
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USB DVR $300 Create Your Own Surveillance DVR System w/ A PC Or Laptop Easily Turn Any PC Or Laptop Into An Professional DVR System Record With Up To 4 Cameras w/ Multiple Video Inputs Remote Viewing From Anywhere In The World Motion-Activated, Scheduled, Or Continuous Recording Multi Alarm Triggering - Motion, Sensor, Video Loss, Or HDD Space Warning Easy 3 Step Use: USB DVR Plug The USB DVR Into Your PC And Record All The Action From 4 Cameras The cutting edge features of all the high end video DVR systems are now at your disposal. The USB DVR is designed to turn your existing Windows PC or Laptop into a professional quality 4-Chanel Digital Video Recording system. Much more cost effective than other stand-alone Surveillance DVR Systems, the USB DVR boasts 4 video inputs and 2 audio inputs. This means you can connect up to 4 surveillance cameras to your PC and record all the action just like the pros. Remotely view all your footage and even pan, tilt, or zoom, from any computer with Internet. Achieve Professional Grade Video Surveillance Recording At A Fraction Of The Cost The ultra high-tech features of the USB DVR that are usually reserved for extremely expensive DVR surveillance units are all available in this, simple, easy-to-use, USB DVR device. New features include e-mail notification, mobile phone remote surveillance , time and date search functionality, digital zooming, remote viewing and playback. With the USB DVR's myriad of exceptional new features, Digital Video Recording has never been easier or more affordable. Remote Viewing Lets You Tune Into Your Surveillance Feed From Anywhere In The World On Any Web Browser Including Your Cell Phone! Instant E-mail Alerts w/ The USB DVR's Advanced Multi-Alarm Triggering System The USB DVR device also features numerous advanced alarms. Program the DVR for scheduled recording or let the motion detection activation capture all the action once it senses motion. Once recording has commenced you can remotely view all the action remotely on the web, while the DVR security system records all the action. Equipt with state of the art PTZ (Pan, Tilt, Zoom) operation, once you begin monitoring, you can use the web-based software to hone in on all the action from a remote location. Additionally, and also one of the most requested features, the USB DVR will alert you when video recording has been lost or when your Hard Drive is nearly full. Features: 1~30 fps Adjustable Frame Rate 640 X 480, 320 X 240 Res- Selectable Multi Alarm Triggering - Motion, Sensor, Video Loss, or HDD Space Warning. 5 Levels MPEG4 Recording Quality Options 4 Video, 2 Audio Channels 4 Screen Display Modes Multi Channel Playback Search by Time/Date or Events Images can be Zoomed/Captured/Saved/Printed/Backed up Remote View and Playback PTZ Control Via Web Browser Schedule Recording Auto Reboot System Requirements: OS Supported: Windows XP CPU: Intel Pentium III 800 (Minimum) RAM: 256M (Mini |
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Standalone H.264 DVR (4 Channel with Remote View) $800 Product Overview: Check in on your property from the Internet View remote footage on your smartphone like iPhone or Blackberry Monitor and record footage from up to 4 different cameras at once Get e-mail alerts the moment there's a loss of power or video, motion detected, or alarm triggered Highest resolution H.264 recording is the best available on the market View Your Surveillance Footage from Anywhere in the World with the Internet Ready DVR To take your surveillance system to the next level, there is the Standalone H.264 DVR for four cameras. Adding a DVR to your surveillance cameras means you'll have the concrete evidence you need to protect yourself and find out what's really going on. With this particular DVR, you can capture video and view it on the Internet or on your smartphone anywhere, anytime. The smart DVR even sends you alerts via e-mail if there's a loss of power or video, motion detection, or alarm going off--alerting you first of what's going on at your property even when you're not around. Key Benefits: Check in on your property at anytime online or on your iPhone or Blackberry Know you will have the highest resolution H.264 crystal clear video surveillance available View live footage, record, backup, playback, and have network access all at the same time Check in on your property from your iPhone or Blackberry smartphone Built-in alert system keeps you informed via e-mail in case of power loss, motion detection, alarm, or video loss Popular Uses: Monitor an entire business Monitor your home Monitor a parking garage Have a surveillance camera set-up at every exit to a building Check up on your vacation home anytime you want, wherever it is Have peace of mind knowing your property is safe no matter how far you are Features: Internet enabled DVR Capture up to 1 month of footage on smallest hard drive Records highest resolution H.264 video surveillance Captures video from up to four cameras Connect up to four cameras or four I/0 devices like alarms and sensors Backup all footage to a CD, DVD, or USB Flash Drive Works with your existing surveillance cameras, including PTZ cameras Features Intelligent Search for easily finding footage or events Includes: Multichannel DVR |
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