Bandwidth (376)

Displaying 'Bandwidth' tags 76 - 100 of 376 in total

Smart Codec Guide

(Member Only)

"Smart Codec" was once seemingly a marketing buzzword, but in 2020, nearly all new camera models include this tehcnology. These marketing names vary, including 'Zipstream', 'Smart Coding', 'H.264+', 'Smart Stream II', and others, and critically, ...

By IPVM Team - over 2 years ago

Hanwha Wave VMS Tested

(Member Only)

Hanwha has released their first open platform VMS, Wisenet Wave, an Network Optix OEM (see test results) enhanced with integrations and optimizations for Hanwha's products. In this report, we examine how Wave performs including: Hanwha camera/...

By Ethan Ace - over 2 years ago

VSaaS Usage Statistics 2018

(Member Only)

VSaaS has been a 'next big thing' for more than a decade. The prospect of managing, storing and streaming video from the cloud rather than on-premise has been anticipated for years. But in 2016, IPVM stats showed less than 1/4th of integrators wer...

By Brian Karas - over 2 years ago

Multicasting Surveillance Tutorial

(Member Only)

Network bandwidth can be a concern for some surveillance systems. While improvements in video codecs, such as smart codecs for H.264 and H.265, have reduced bandwidth needs significantly, large systems still encounter issues with large amounts o...

By IPVM Team - over 2 years ago

QoS for Video Surveillance

(Member Only)

Along with VLANs, QoS is one of the most misunderstood topics in IP surveillance networks. Many purported "experts" claim it is required in any and all surveillance systems, but little clear guidance is given about why, leaving those new to the fi...

By IPVM Team - over 2 years ago

Hikvision NVR Load Tested

(Member Only)

IPVM members recently debated Hikvision NVR's performance under load in Hikvision 30+ Cameras On NVR - Apps And Client Really Slow Down And CPU Usage Jumps - Any Other Experiences Or Tests? To see how Hikvision's NVRs and iVMS-4200 software handl...

By Ethan Ace - almost 3 years ago

D-Link ONVIF Switch Tested

(Member Only)

D-Link's surveillance switches claim to "enhance ease of use and streamline management" for network administrators, with simplified UIs and automatic discovery of ONVIF devices to show what cameras are connected along with key information such as ...

By John Scanlan - almost 3 years ago

IP Camera Manufacturer Compression Comparison

(Member Only)

Despite the use of standards-based video compression (H.264/H.265), our tests show that default image quality settings for different manufacturers vary widely, with no standards for terminology or scale used. This can result in two cameras with th...

By Ethan Ace - almost 3 years ago

Camera Multi-Streaming Usage

(Member Only)

IP cameras typically support multiple streams, allowing a single camera to transmit multiple streams at different resolutions, frame rates and even codecs. The most common use case for multi-streaming is for display purposes. For example, a clien...

By IPVM Team - almost 3 years ago

CBR vs VBR vs MBR - Surveillance Streaming

(Member Only)

How you stream video has a major impact on quality and bandwidth. And it is not simply CODEC choice (e.g., H.264 vs H.265). Regardless of the CODEC, one still needs to choose how the video stream handles changes in scene complexity. There are th...

By IPVM Team - almost 3 years ago

Hikvision 4K IR PTZ Tested (DS-2DF8836IV-AELW)

(Member Only)

The IR PTZ trend continues, now with 4K resolution, with Hikvision releasing its DS-2DF8836IVAEL-W camera [link no longer available], a 4K 1/1.9" PTZ model specifying 200m IR range and 36x zoom. We bought and tested this model to see how it perfo...

By Ethan Ace - almost 3 years ago

ZoneMinder Open Source Profile

(Member Only)

The first, oldest and probably the best known open source VMS is ZoneMinder. But where has it gone and is it still relevant today in a world of $200 NVRs and various free VMS options? IPVM spoke with ZoneMinder's lead developer, Isaac Connor [li...

By Brian Karas - almost 3 years ago

Smart Codec Usage Surges - 2017 Statistics

(Member Only)

Smart codec usage has surged in 2017, new IPVM statistics show. Smart codecs are less than three years old, starting in 2015 with Axis. Now, smart codecs are widely offered by various manufacturers, for both H.264 and H.265, delivering 30 - 90% r...

By IPVM Team - almost 3 years ago

Avigilon H4 IR Mini Dome Camera Tested

(Member Only)

Avigilon has released their successor to the aging Micro Dome, the H4 Mini Dome, claiming easy install, a patent-pending surface/recessed mounting system, Lightcatcher low light performance, true WDR and more. We bought this new model and teste...

By John Scanlan - almost 3 years ago

Axis 'Sold Out' P3707-PVE Multi-Imager Tested

(Member Only)

Axis faced significant product shortages over the summer. Perhaps the most notorious and significantly sold out model was the Axis P3707-PE 8MP multi-imager, with stories from integrators circulating of various large orders of this model blocking...

By Ethan Ace - almost 3 years ago

Geovision GV-EDR2100 Tested Vs Hikvision

(Member Only)

A number of ADI's top selling IP cameras are, at least surprisingly to us, from Geovision. We recently bought and tested the Geovision EDR2100 1080p IR minidome, which is priced below Hikvision and Dahua 1080p IR models. Inside, we share our r...

By John Scanlan - almost 3 years ago

Geovision 4MP Super Low Cost Turret Tested (EBD-4700)

(Member Only)

~$100 cameras, even for 4MP, are now expected by many dealers, as price cuts and ongoing sales have set this expectation. At the same time, many dealers are looking for alternatives to Dahua and Hikvision, due to cybersecurity concerns, dealer sa...

By John Scanlan - almost 3 years ago

Integrator Camera Optimization Preferences

(Member Only)

How do integrators make cameras 'better'? What settings or optimizations do they change? ~150 integrators told IPVM what they do. First, they answered: How often do you optimize camera image quality settings? In what scenarios or applicatio...

By Ethan Ace - almost 3 years ago

Dedicated Vs Converged IP Video Networks Statistics

(Member Only)

'Convergence' has been a major industry theme for many years. All organizations have IP networks today with laptops, tablets, phones and more running on them. But how many actual IP video surveillance systems are running on converged networks wit...

By IPVM Team - about 3 years ago

Dahua 4K IR PTZ Tested

(Member Only)

4K has made its way to IR PTZs. In this report, we examine the Dahua 6AE830VNI [link no longer available], a 4K PTZ with 30x optical zoom, 200m (~650') integrated IR, and 1/1.7" 4K sensor, to see how it performed in daytime and night time scenes...

By Ethan Ace - about 3 years ago

Sony Next Gen HD Dome Camera Tested (SNC-EM642R)

(Member Only)

Sony has released their latest generation, claiming improved WDR and low light, increased IR range, and more. We tested the SNC-EM642R outdoor IR vandal dome to see how these new models stack up against the latest from others, including: Axis P...

By IPVM Team - about 3 years ago

Network Cable Usage Statistics 2017 (Cat 5e vs Cat 6 vs Cat 6a)

(Member Only)

Cat 5e? Cat 6? Cat 6a? What do integrators use in practice, today? 140+ integrators told IPVM. Here are the results: For those who want to learn more about the technology, see IPVM's Network Cabling for Video Surveillance Guide. Inside thi...

By IPVM Team - about 3 years ago

IP Camera Specification / RFP Guide 2017

(Member Only)

RFPs are hard. Do them 'right' and it takes a lot of knowledge and time. Do them 'wrong' and you can be (a) unwittingly locked into a specific vendor or (b) be forced to accept inferior quality products. This guide helps IP camera purchasers ...

By IPVM Team - about 3 years ago

Hikvision 8MP Low-Cost Camera Tested

(Member Only)

Hikvision has introduced their latest generation of low-cost Value Plus cameras, now including smart H.265 and up to 4K resolution, with prices much lower than existing 4K models. We bought and tested the 8MP DS-2CD2385FWD-I [link no longer ava...

By Ethan Ace - about 3 years ago

Hikvision H.265+ Tested

(Member Only)

Hikvision, which in the past few years released H.264+ (see test results) has now released H.265+, that claims even greater bandwidth savings. We bought and tested two models from this new series, the 2MP DS-2CD2025FWD-I [link no longer available...

By Ethan Ace - about 3 years ago

Displaying 'Bandwidth' tags 76 - 100 of 376 in total