Bandwidth (297)

Displaying 'Bandwidth' tags 1 - 25 of 297 in total

Arecont Vision MicroDome Duo Tested

(PRO Only)

Arecont Vision is back with another multi-head camera, this time thinking smaller with the MicroDome Duo, a two-imager model, with the tagline "Look both ways for hallway surveillance", a form factor rarely seen in surveillance. However, given ...

By John Scanlan - 11 days ago

LAST DAY - Camera Course Winter 2017

[NOTE: Today, Thursday is the last day to register.] Learn video surveillance and get certified. IPVM provides live online classes, recorded videos, personal help, cutting edge education and certification. LAST DAY - Winter Camera Class. Regi...

By Brian Rhodes - 23 days ago

Arecont Lowest Favorability Results

(PRO Only)

Given Arecont is 3 time defending integrator choice for worst camera manufacturer, it should be little surprise they had the lowest score in the integrator Favorability series. Integrators detailed why they dislike Arecont, and comments indicate ...

By Brian Karas - about 1 month ago

IP Networking Course January 2017

This is the only networking course designed specifically for video surveillance professionals plus it includes live training, personal help and certification, all for just $299 for members. What the IPVM IP Networking Course Covers In 10 session...

By Brian Rhodes - about 1 month ago

Avigilon Pro 4K Camera Tested

(PRO Only)

Avigilon is best known for their large sensor, high megapixel cameras. But with new offerings from Sony and soon Axis, the questions is how well their H4 Pro Series can keep up with competitors. In this report, we tested the Avigilon 4K Pro (8L-H...

By Ethan Ace - about 2 months ago

IP Networking 2017 Book Released

(PRO Only)

The new IP Networking Book 2017 is a 197 page in-depth guide that teaches you how IT and telecom technologies impact modern security systems. The book will give you the knowledge and the confidence to make the right decisions when designing and d...

By Brian Rhodes - about 2 months ago

Hikvision No on H.265 But Pro On H.265+

(PRO Only)

Hikvision said H.265 was a 'solution in search of a problem' a half year ago but now they are getting bullish, embracing H.265+. In this report, we examine Hikvision's new position on H.265, and the likelihood that the company can change the slow...

By Brian Karas - about 2 months ago

Surveillance Cameras 2017 Review

(PRO Only)

This report concisely explains the developments and most common options for surveillance cameras offered in 2017, including resolution, H.265, HD analog, image quality, video analytics and cost. Compared to surveillance camera developments in 201...

By John Honovich - about 2 months ago

Calculating Video Surveillance Storage / Bandwidth

(PRO Only)

Calculating surveillance bandwidth is complex, and inexperienced users can easily underestimate bandwidth, leading to reduced storage durations and/or overloaded networks. The most common way technicians estimate storage is to use manufacturer or...

By IPVM Team - about 2 months ago

IR Video Surveillance Tutorial 2017

(PRO Only)

Almost all surveillance cameras perform worse in low light than they do in the day time. One of the most common techniques to overcome this is to add infrared (IR) illumination. However, adding IR has its own tradeoffs, with several options availa...

By John Honovich - 2 months ago

Video Surveillance Bandwidth Guide 2017

(PRO Only)

Bandwidth is one of the most fundamental, complex and overlooked aspects of video surveillance. Many simply assume it is a linear function of resolution and frame rate. Not only is that wrong, it misses a number of other critical elements and fai...

By Ethan Ace - 2 months ago

Milestone: H.265 Not Ready For Prime Time

(PRO Only)

Hype for H.265 has been growing, but Milestone is recommending restraint, despite supporting H.265. In this note, we examine Milestone's position on H.265, and what the company says is holding back H.265 adoption, contrasting it to recent moves b...

By Brian Karas - 2 months ago

Dahua Discontinuing H.264 Only Products

(PRO Only)

Dahua has taken a stand for H.265 and is discontinuing its H.264 only products. We examine the shakeup inside this report.

By Brian Karas - 3 months ago

CODEC Guide 2016

(PRO Only)

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 Ethan Ace - 3 months ago

Smart CODEC Guide

(PRO Only)

Smart codecs are a next 'big thing'. With cameras having more and more processing power available, it is enabling them to make 'smarter' decisions about how they compress video. The marketing names will vary. Some include 'Zipstream', 'Smart Cod...

By IPVM Team - 3 months ago

Longse vs Dahua and Hikvision Tested

(PRO Only)

For many, even $100 cameras are too expensive. That is where spam king Longse comes in with their relentless offer of ~$20 cameras. In our past tests, Longse was no match for Hikvision or Dahua, with numerous quality flaws. But with cameras advan...

By Ethan Ace - 3 months ago

Major Manufacturers Dropping MJPEG

(PRO Only)

MJPEG has hung on for years, still in use in some systems despite H.264's dominance for the better part of the past decade. However, now some manufacturers have removed MJPEG from their cameras and recorders, forcing users to stream H.264. We loo...

By Ethan Ace - 4 months ago

Sony 35mm Super Low Light Camera Tested

(PRO Only)

Sony is making a big push for their SNCVB770 camera, touting its low light capabilities that they claim can deliver true color in pitch black darkness. While the 'super low' light market segment is definitely growing, Sony's SNCVB770 has a dramat...

By Ethan Ace - 4 months ago

60% Lower Bandwidth, 'Video Anywhere' - Digital Barriers TVI / EdgeVis

(PRO Only)

Streaming video over low bandwidth, wireless connections often results in stalled video, broken up video or significant video delays. But Digital Barriers says their TVI CODEC (not to be confused with the HD Analog format), which is being re-bran...

By Brian Karas - 4 months ago

Mobile VMS Top Integrator Problems

(PRO Only)

In an IPVM survey, integrators report 4 problems most consistently with using mobile VMS applications: Network setup / cybersecurity concerns Latency / Delay / Throughput issues in connecting to video Lost settings / updates break connectivit...

By Ethan Ace - 4 months ago

Sony and Samsung Breaking VBR

(PRO Only)

For years, users have known variable bitrate (VBR) as one thing only: bandwidth varies, compression stays the same. This is not an accident but an essential characteristic of VBR. By allowing the bit rate to vary, the compression level can stay t...

By Ethan Ace - 4 months ago

4 Biggest Low Light Problems

(PRO Only)

100 integrators told IPVM what their biggest problems were with low light images. The most commonly cited themes were: Limited IR Range Uneven Coverage Image Noise Cost vs Customer Expectations In this report, we share dozens of integrat...

By Brian Karas - 5 months ago

Samsung 'Q' Low-Cost 1080p Dome Tested

(PRO Only)

The most competitive part of the market is for low-cost cameras. Hanwha Techwin / Samsung has released its new low-cost Q series to go after this segment. We bought two of these new Wisenet Q models and tested them against competitive domes from...

By John Scanlan - 5 months ago

Axis Zipstream 2 Tested

(PRO Only)

Smart codecs are one of the big trends in the industry now. Axis was the first manufacturer to launch a smart codec, releasing Zipstream in Spring 2015, but since then they have been followed by others, including Hikvision H.264+, Panasonic Smart...

By Ethan Ace - 5 months ago

Arecont To Release Industries' Best H.265 Support

(PRO Only)

Go big, or go home. That seems to be Arecont's philosophy for H.265, they say they are working on the "best" H.265 implementation in the market.   In this report, we examine: Arecont's success being first to market with H.264 MP Arecont's li...

By Brian Karas - 5 months ago

Displaying 'Bandwidth' tags 1 - 25 of 297 in total