Bandwidth (376)

Displaying 'Bandwidth' tags 51 - 75 of 376 in total

Testing Bandwidth vs. Frame Rate

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Selecting frame rate has a major impact on surveillance bandwidth and storage consumption. But with smart codecs now common and cameras more efficient than ever, what is the "right" frame rate? In this report, we tested 10 cameras from 3 manufact...

By IPVM Team - over 1 year ago

Testing Bandwidth Vs. Low Light

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Nighttime bandwidth spikes are a major concern in video surveillance. Many calculate bandwidth as a single 24/7 number, but bit rates vary dramatically from day to night. But how much? 100% more? 500%? 1,000%? To find out we tested cameras from...

By Ethan Ace - over 1 year ago

Managed Video Services UL 827B Examined

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Historically, UL listings for central stations have been important, with UL 827 having widespread support. However, few central stations have adopted UL 827B, the companion listing for managed video, which debuted in 2015. In this note, based ...

By Dan Gelinas - over 1 year ago

H.265 / HEVC Codec Tutorial

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H.265 support has improved significantly since its introduction, with H.265 camera/VMS compatibility increased compared to only a year ago, and most manufacturers shipping H.265 models. However, there are still challenges impacting H.265's compet...

By IPVM Team - over 1 year ago

Surveillance Codec Guide

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Codecs are core to surveillance, with names like H.264, H.265, and MJPEG commonly cited. How do they work? Why should you use them? What issues may you face? In this tutorial, we examine this in-depth covering: Uncompressed vs. Compressed Video...

By IPVM Team - over 1 year ago

8MP / 4K Fixed Lens Camera Shootout - Dahua, Hikvision, TVT, Uniview

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8MP / 4K fixed lens models are now common in lower cost lines, with nearly every Chinese brand and their OEMs now offering multiple options. To see which fixed lens 8MP/4K models performed best and how they compare to new generation 4MP models, w...

By IPVM Team - almost 2 years ago

Ubiquiti $79 Flex IP Camera Tested

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U.S. Manufacturer Ubiquiti has released a 1080p, integrated IR IP camera, selling it directly for $79, making this one of the least expensive IP cameras available. We bought and tested the Flex vs the Axis Companion Mini L, Hanwha LND-6011R, and ...

By Rob Kilpatrick - almost 2 years ago

Hanwha L Series Lowest-Cost Camera Tested

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Hanwha has released their lowest-priced IP camera line ever, the L series, that competes on price with low cost competitors Dahua and Hikvision. We bought and tested the lowest cost L series model, the LND-6011R indoor dome camera, to see how it ...

By IPVM Team - almost 2 years ago

Dahua Dual Imager Dome Camera Tested (HDBW4231FN-E2-M)

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Dahua has introduced a dual-imager dome model, the HDBW4231FN-E2-M, with two independently positionable sensors including integrated IR, not found on competitive dual-imager cameras. To see how this new model performs in real world scenes, we b...

By Rob Kilpatrick - almost 2 years ago

Cloud Video Storage Usage 2018

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Storing email and documents in the cloud have long been common, with on-site email or file servers increasingly eliminated. However, what about video surveillance? What percentage of new video surveillance deployments are integrators using cloud ...

By IPVM Team - almost 2 years ago

Video Quality / Compression Tutorial

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While CODECs, like H.264, H.265, and MJPEG, get a lot of attention, a camera's 'quality' or compression setting has a big impact on overall quality. In this training, we explain what this level is, what options you have and how you should optimize...

By IPVM Team - almost 2 years ago

Axis 4K vs. 5MP Camera Shootout (Q3518-LVE + Q3517-LVE)

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Axis has released the 4K counterpart to their 5MP Q3517-LVE (see our test). Axis claims of both these cameras: Simply put, AXIS Q3518(17)-LVE delivers the best video quality possible. But which one is truly best? We bought and tested the...

By Ethan Ace - almost 2 years ago

SNMP / Network Monitoring For Surveillance

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Surveillance systems typically rely on the the VMS to report issues, but this most often just means knowing a camera is "down" with no warning or detailed information. Network monitoring systems can give users more insight into their network, f...

By IPVM Team - about 2 years ago

Eagle Eye Networks Cloud VMS Tested

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Eagle Eye has become one of the most significant players in the industry in the past few years: Eagle Eye's Owner Acquired Brivo Eagle Eye Acquired CameraManager From Panasonic Hired Ex-ADT Exec As Eagle Eye President Eagle Eye Boasts Big ...

By Sean Patton - about 2 years ago

Powerline Networking For Video Surveillance Advocated By Comtrend

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Powerline networking, using existing electrical wiring, has been around for many years. Indeed, over the years, some video surveillance providers have offered it as an alternative to coax, category cable and wireless. However, it has never really ...

By Brian Rhodes - over 2 years ago

VMS Server Sizing

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Specifying the right sized PC/server for VMS software is one of the most important yet difficult decisions in IP video surveillance. In the past manufacturers designed and certified that a specific appliance 'box' would support a specific number o...

By Sean Patton - over 2 years ago

Axis 12MP Stereographic Camera Tested (M3058-LVE)

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Axis has released the M3058-PLVE, a 12MP sensor, stereographic panoramic camera and Axis' first with integrated IR claiming images "sharp to the edges", "automatically adaptable" OptimizedIR, and more. To see how these claims perform in the real ...

By Ethan Ace - over 2 years ago

IP Network Hardware for Surveillance Guide

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Video surveillance systems depend on IP networking equipment. In this guide, we explain the key pieces of equipment and features, explaining where and why they are typically used. The topics covered include: Fast / Gigabit / 10 Gigabit Ethern...

By IPVM Team - over 2 years ago

Hikvision DarkfighterX Vs Darkfighter PTZ Tested

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Hikvision has focused on improving low-light performance for PTZs, an area that has traditionally been a problem, even more so than fixed cameras, due to the challenges of higher F stops and long-range varifocal lenses of PTZs. Two of Hikvision...

By Ethan Ace - over 2 years ago

Wireless Networking For Video Surveillance Guide

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Wireless networking is a niche in video surveillance applications, but it can be a difficult one to understand with proper wireless design, equipment selection, interference, and other factors impacting it usage. In this guide, we break down th...

By IPVM Team - over 2 years ago

Cellular (4G / LTE / 5G) For Video Surveillance Guide

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In this report, we explain using cellular for video surveillance including: 4G vs LTE vs 5G 4G standards 5G future Advantage: Placing cameras "anywhere" Advantage: Quick deployment Disadvantage: Recurring costs Disadvantage: Bandwidth cap...

By IPVM Team - over 2 years ago

Next Gen 5MP / 6MP Camera Shootout - Axis vs Dahua vs Hanwha vs Hikvision

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Many manufacturers have released new generation 5MP / 6MP cameras that tout super low light, WDR and other features historically typical in 1080p but not 5MP / 6MP. In our recent series of tests we tested four of these models from major manufactur...

By Ethan Ace - over 2 years ago

Hikvision 6MP Camera Tested (DS-2CD4565-IZH)

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In the next installment of our ongoing testing of 5MP/6MP cameras, we test the Hikvision DS-2CD4565F-IZH, a 'Smart Series' vandal dome combining higher resolution, a larger 1/1.8" imager and integrated IR. We bought and tested the 4565 to see h...

By John Scanlan - over 2 years ago

Video Privacy Mask Tutorial

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Privacy has historically been hotly debated in the surveillance industry, especially in public surveillance systems where cameras may be located in residential areas. This is becoming even a greater concern as the EU implements the General Data Pr...

By Ethan Ace - over 2 years ago

Displaying 'Bandwidth' tags 51 - 75 of 376 in total