নিশ্চিত নিরাপত্তায় সিসিটিভি ক্যামেরা (CCTV Camera) - সিসিটিভি সিকিউরিটি সার্ভিস।

“নিরাপত্তা” এমন একটি গুরুত্বপূর্ণ শব্দ যা আমাদের প্রতিদিন প্রতিটি মুহুর্তেই প্রয়োজন। বর্তমান যুগের সাথে পরিবর্তনের অঙ্গিকারে প্রযুক্তির উপহারে আরো উন্নত এবং নিখুত হয়েছে নিরাপত্তা ব্যবস্থা। আর নিরাপত্তা বাবস্থাকে আরো এক ধাপ নিশ্চিত করে সিসিটিভি ক্যামেরা। বর্তমান চাহিদা অনুযায়ী দুই ধরনের রঙ্গীন সিসিটিভি মনিটরিং সিষ্টেম বাজারে পাওয়া যাচ্ছে। ষ্ট্যান্ড এ্যালোন এমবেডেড ডিভিআর (ডিজিটাল ভিডিও রেকর্ডার) সম্বলিত সিসিটিভি মনিটরিং সিষ্টেম এবং পিসি বেজড সিসিটিভি মনিটরিং সিষ্টেম। ব্যবহারের ভিন্নতার কারনে বর্তমানে রঙ্গীন সিসিটিভি ক্যামেরা বিভিন্ন প্রকারের হয়ে থাকে। যেমনঃ সাধারন ক্যামেরা, ডোম ক্যামেরা, হিডেন ক্যামেরা, স্পাই ক্যামেরা, স্পীড ডোম পিটিজেড ক্যামেরা, হিডেন ক্যামেরা, স্পাই ক্যামেরা, ডে-নাইট ক্যামেরা, জুম ক্যামেরা, ভেন্ডাল প্রুফ ক্যামেরা এবং আই পি ক্যামেরা উল্লেখযোগ্য। আপনার পছন্দের ক্যামেরা পাওয়া যাচ্ছে। http://optimationbd.com/cctv এই লিংকে । এখানে সব ধরনের ক্যামেরার মডেল এবং সেগুলোর দরদাম সমন্ধে জানতে পারবেন। আপনার পছন্দের পণ্যটি কিনতে চাইলে যোগাযোগ করুনঃ 01614-000401, 01797-992826 নম্বরে

How to Choose a CCTV Camera for your Security

Nowadays it is turning into a need to have a CCTV camera pack viewing over your home or business. Wrongdoing rates are at an unsurpassed high, prodded on by the present unemployment rates which are likewise high. This implies there will be more individuals in frantic circumstances to accommodate their families. It additionally implies that your home or business could be an objective for these individuals, and on the off chance that you don't have an approach to secure these advantages you could wind up getting victimized and lose all that you have if the cheat is not got and your stuff is not recuperated. Here are a couple of things to search for when you are attempting to pick the best security camera to utilize.

There are various distinctive components accessible with the CCTV cameras that are accessible nowadays. You will have the capacity to discover ones that can dish, tilt and zoom (PTZ) and you will have the capacity to discover ones that shoot video in a wide range of organizations. This makes it simple for you to see the video on a wide range of gadgets that you might need to play it back on - computerized video recorders are the most well known technique now. You likewise need to consider infrared usefulness for night recording, and wired or remote choices. The last in ordinarily much less demanding to introduce. With a specific end goal to pick the best camera, you will need to make a point to know which highlights you require the most to suit your very own inclinations.

One sort of cameras that many individuals are beginning to utilize nowadays is PTZ security cameras as a result of the considerable number of elements they have. These are regularly arch formed cameras that can be utilized for indoor or open air observation so it is advantageous to screen what is going on both inside and outside your home or business. This sort of camera is secured and made more unmistakable by the arch that encompasses it. This is an element that may dissuade any criminal from attempting to victimize or take from you. With respect to outside versus inner use, make certain to check the camera is climate safe in the event that you are fitting the gadget remotely.

Another key issue is regardless of whether you need to utilize the camera as an obstacle, in which case you will settle on one or all the more exceedingly noticeable models mounted in a conspicuous spot, or for use as a spy camera or for reconnaissance, say to screen staff, the better alternative might be a concealed camera framework.

In the event that you need to have a protected feeling about your home or business then a CCTV camera pack is something you ought to investigate. You will have the capacity to locate an expansive number of them accessible to browse with the components you are searching for. The best thing to do is take a seat and make a rundown of elements that you will need and after that search for a camera that will furnish you with those components. Regardless of on the off chance that you need to have the capacity to utilize your camera to discover what is going on inside or outside make a point to take a gander at the PTZ security cameras that are accessible to utilize.

Understanding Analog and IP CCTV Cameras

A standout amongst the most huge innovative changes in CCTV business sector is the coming of alleged "IP cameras." Despite the certainty this innovation has been accessible for many years, there is inadequate minimal target data on what separates them from the simple cameras that had fueled the business for quite a long time some time recently. The multifaceted nature of what goes into configuration of IP cameras is mostly in charge of this, obliging clients to be familiar with everything from cutting edge video pressure to PCs and systems administration.

Confounding matters is the befuddling details and regularly deceptive wording used to depict the fundamental execution of CCTV frameworks. Straightforward terms like "lines are determination" are utilized where the instinctive importance (what number of lines there are in the photo) really is not what the metric measures! Add to this the run of the mill advertising buildup and the photo turns out to be considerably muddier.

The motivation behind this arrangement of articles is to streamline these ideas and distil them down to a level where you can settle on buying choices keenly. While the scope will be exhaustive, critical improvement is connected as to make the ideas simple to get a handle on, guaranteeing that the notorious "woodland is seen from the trees."

With that presentation, now we should take a "profound jump" into every innovation and what separates them.

Simple Camera Overview

Similarly as with any imaging gadget, the simple CCTV camera has a sensor which catches the video picture. The determination of the sensor fluctuates yet for reasons which will be depicted later, it is restricted to 720×575. This is 720 pixels over the screen (even determination) and 575 all over (vertical determination).

The video is caught at 60 interims called "fields" and transmitted to the recipient. Two fields together are known as an "edge." This is called interweaved transmission. More on this later.

To get the video out of the CCTV camera into a recording and show gadget, a solitary persuade link is utilized. To keep up similarity with simple TVs (and subsequently make it simpler to use off the rack items for presentation and recording), the sign that leaves the camera consents to communicate TV norms.

There are two prominent simple principles on the planet for TV: NTSC (e.g. as utilized as a part of North America and Japan) and PAL (utilized as a part of numerous different nations, particularly in Europe). There is additionally SECAM however it is not a typical standard in CCTV world.

In the first place thing to comprehend about NTSC or PAL is that the quantity of even lines that make up the photo (i.e. the vertical determination) is settled by the particular standard. Give me a chance to rehash this once more: the quantity of lines is settled and each source must transmit that numerous lines to be consistent with the standard. Thus, when you see a particulars for the quantity of lines a CCTV camera has, it doesn't allude to vertical determination which is topped by the standard.

On account of NTSC, the standard calls for 525 lines and for PAL, 625. Be that as it may, not each line conveys picture data. In all actuality, the visible number of lines is 480 for NTSC and for PAL, 575. Note that you may see varieties of these numbers, for example, 486 for NTSC. This is because of a few people adjusting the number and others not. For the reasons for this article how about we stay with the adjusted numbers as the additional exactness doesn't mean much practically speaking at any rate.

Presently how about we take a gander at the level determination. Here the photo gets to be sloppy, joke expected. What does determination mean on account of a simple framework which does not think about individual pixels of light on your presentation?

On the off chance that you gaze upward the spec for a simple CCTV camera, you frequently see a determination indicated as "lines." Could this be the flat determination of the camera as the name appears to infer? All things considered, no! Before we can comprehend the meaning of lines, we have to dive more into the communicate standard.

The NTSC TV transmission framework depends on a showcase that has extended pixels and has an angle proportion of 4:3. At the end of the day, the picture is more extensive than it is tall. What does this need to do with the "line" detail? Indeed, somebody chose that the even determination should be communicated in connection to vertical determination, attempting to show what the level determination would have been if the TV were square. I know this sounds interesting however kindly don't shoot the ambassador! I am just here to clarify things not legitimize them.

Luckily, the transformation from real pixels to "lines" is much more straightforward than comprehension the inspiration for it. Increase the level determination in pixels by 3 and separation by 4 to touch base at number of lines. So for instance, on the off chance that you have 100 pixels in the level measurement, you just have 75 "lines of determination" (100 x 3/4 = 75). In such manner, the rating downplays the genuine determination of the framework.

Make sure to not befuddle the expression "line" utilized as a part of simple TV frameworks from comparative term used to portray distinctive profiles of the top quality TV (HDTV) standard. In that world the pixels are square so lines is the same as determination. However, confusingly, the rating alludes to vertical determination instead of flat! I know this all may sound confounding. To keep things straight, simply consider "lines" as a metric for simple cameras. In higher determination arrangements, for example, HDTV and IP Cameras, genuine pixel determination is utilized so there is no disarray there.

A fascinating inquiry then gets to be what is the most elevated determination that can be accomplished in a simple camera? For this, we can take a gander at the most astounding standard in simple TV standard and that is what is utilized as a part of a TV studio at say, a noteworthy system (or used to be before move to HDTV). There, we observe that when simple TV is prepared, it is done in advanced space at an even determination of 720 pixels. That number then sets the upper limits for a simple CCTV camera which is normally impressively mediocre compared to the units utilized as a part of communicate TV.

Presently you see why I specified that the greatest determination of any simple camera is 720×575. Indeed, even in a communicate setting, we can't surpass the quantity of vertical lines in the standard, which is 575 in the event of PAL. The partner for NTSC is 720×480. Yes, PAL has higher determination yet shows less fields every second (50 versus 60 for NTSC). In the event that you have a simple camera which bolsters both resolutions, you might need to settle on PAL setting to separate more determination out of the camera in vertical measurement. Changing over the even determination of the communicate camera in pixels to line rating we get 540 (720 x 3/4 = 540). You may have seen this spec promoted for simple CCTV cameras and now you know where it originates from.

What does it mean on the off chance that you see a number higher than 540? There can be two purposes behind that. One, the detail is in pixels in which case, it can be up to 720. Individuals working for camera organizations regularly get these measurements confounded. Expecting the spec is in reality in "lines" then it just shows the determination of the sensor, NOT what you can extricate from it after the sign is digitized and conveyed. This implies additional determination is squandered. Its lone advantage is some commotion decrease.

Obviously, nothing prevents anybody from putting lower determination sensors in the camera and surely, this is regularly done. Analyze the spec and if the line rating is under 540, then the determination is lower than the most astounding it could be.

As it's been said, "yet hold up, there is more!" Turns out even the 540 line spec is terribly exaggerated. So far we have been discussing the sensor determination and compliances of it with the standard. In any case, there is another part of the standard which manages transmission of the same over the air. You may ask why we would think about that part. All things considered, we are sending our video signal over a persuade wire. All things considered, the standard utilized over the urge wire as a part of CCTV applications is the same as what might be put on air by a system.

To make it less demanding (and lessen power utilization of the transmitter) the standard permits that the sign to be decreased in transfer speed. I won't exhaust you with the designing subtle elements however there is a helpful principle that for each "Megahertz" of transfer speed for a radio sign, we can convey 80 "lines" of video determination. So to convey 540 lines of the communicate TV signal, we would require 540/80 = 6.75 MHz of transfer speed. On the off chance that you investigate the determinations for NTSC anyway, you see that the standard just permits 4.28 MHz. So it's a given that we are not ready to transmit 540 lines (or 720 pixels).

To make sense of what determination we can transmit, we essentially increase 4.28 MHz by 80 and land at a most extreme determination of 340 lines for NTSC (adjusting down for effortlessness). Yes, you read that privilege. The camera which publicizes 540 lines of determination, can't accomplish more than 340 once you take a gander at the picture that leaves it over persuade. What the seller is publicizing is the crude determination of the sensor used to catch the video, not what can really be accomplished in a genuine framework when the yield is seen over that persuade wire. That additional piece of determination can't be removed out of the camera. It is basically lost when the video leaves the camera.

Utilizing the bit of math we have adapted as such, we can make an interpretation of 340 lines once more into pixels. The outcome is 450 pixels of resolutions (340 x 4/3 = 450), again adjusting down. Is it true that we are there yet? Could we accept that our aggregate pixel determination is 450×480 for NTSC and 450×575 for PAL? All things considered, not exactly! We have to rethink the vertical determination since that is not what it appears to be either!

So as to decrease the measure of information that should be transmitted, both NTSC and PAL utilize a poor man's type of video pressure called "intertwine." NTSC overhauls the photo on your presentation 60 times each second (PAL does

Security Systems that Support Unlimited Remote Viewing Users

At Optimationbd, it is basic to get telephone calls from clients who are searching for an observation DVR or security camera that will bolster a boundless number of remote clients. These clients are regularly inquiring about security camera frameworks for applications, for example, a day care that needs to permit guardians to login and beware of their kids. For this sort of use, different clients should have the capacity to login to the framework remotely in the meantime to view cameras from the Internet. More often than not clients that are investigating these arrangements have the improbable desire that system capable DVRs and IP cameras can deal with a boundless number of synchronous remote viewers. This article will examine the equipment, programming, and transfer speed limitations that make it incomprehensible for any video reconnaissance framework to handle a boundless number of remote clients. The variables examined in this article apply to reconnaissance DVRs and security cameras (both IP and simple).

Transmission capacity Limits

The main innovation that restrains the quantity of viewers bolstered by a camera framework is Internet data transfer capacity. At the area where your DVR or camera is found, you require a fast Internet association with bolster remote review. Ordinarily organizations use link, DSL, or a T1 for their Internet association. Ask your administration supplier what the most extreme transfer rate is for your Internet association or run a rate test from a PC at the area. The transfer rate is the one you need to note.

Programming Limits

The second innovation that constrains the quantity of remote clients bolstered is the product of the DVR or IP camera programming. System DVRs and IP cameras both use inserted web server programming to serve video streams to customer applications, web programs, and versatile applications. Generally as a web server used to host sites is constrained in the quantity of clients that can get to a site page, the web servers incorporated with observation gear restricted by the quantity of video streams it can serve all the while. Clients need to likewise consider that the product of your DVR is additionally performing other asset exceptional operations, for example, recording video and dealing with the majority of the arrangements rules identified with recording and cautions.

Equipment Limits

Last, there is the confinement of the equipment. Indeed, even the quickest supercomputers accessible have points of confinement to the quantity of procedures they can deal with at any given time. Most passage and mid-level reconnaissance DVRs use processors equal to the Atom processor, similar to the ones use in small netbook PCs. Furthermore, once more, these processors need to handle a ton of vital undertakings, for example, constantly recording various video streams, initiating recording in view of caution occasions like movement discovery, and permitting clients to playback and fare recorded video. It is anything but difficult to see why these gadgets are constrained in the quantity of remote clients and video streams they can serve.

Max Remote Viewers for Surveillance DVRs

At the point when looking for a reconnaissance framework, remember that not all DVRs and IP cameras are made equivalent. Higher end DVRs have speedier processors and more memory. What's more, a few makers manufacture preferable programming over others. The following are a couple remain solitary (inserted) DVRs and PC based DVRs with changing quantities of concurrent remote viewer support. Kindly note that a few makers restrain the quantity of aggregate clients that can be signed in and others restrict the aggregate number of video streams that can be served.

iDVR-E4, iDVR-E8, iDVR-E16 and iDVR-RT16 observation DVRs can bolster up to 3 synchronous remote viewers.

Geovision PC based DVRs can serve 200 video channels at the same time. So for instance, on the off chance that you have 5 cameras being gotten to in the meantime for all clients, the Geovision framework can bolster 40 synchronous clients.

The NUUO NVRmini system video recorder can server 32 channels at the same time.

NUUO PC Based DVRs and NVRs bolsters 128 video surges of remote review

In the event that you have any inquiries identified with remote survey reconnaissance DVRs or whatever else identified with video observation, please contact   OptimationBD

Why to Choose a CCTV System?

Would you like to pick a CCTV System for the boasting rights, or do you need it to keep you safe? CCTV is viewed as a pancea for a wide range of wrongdoing. There are numerous articles, bemoaning the wastefulness of cctv frameworks. Yes, 90% of CCTV frameworks are pointless, in light of the fact that they where not picked, planned or introduced legitimately. This article, How to Choose a CCTV framework will highlight the way that CCTV Security is an occupation for experts, and must be outlined and introduced by experts to be successful.

The Value of Half Measures, when Choosing a CCTV System

Consider this.

Envision that you experienced some kind of therapeutic issue which required minor surgery. You simply happen to be familiar with a therapeutic hardware supplier. How agreeable would you be purchasing a surgical tool from your companion and performing the operation yourself, in light of particular guidelines he gives you? I won't be OK with that - in light of the fact that an expert specialist makes a solitary entry point, heaps of experience, and study - study which covers numerous barely related subjects - which all meet up when making that cut. You would make the entry point less the years of experience and study! Ouch...

Presently when you request that How Choose A CCTV System?, you will get answers from a security supplier, and CCTV retailer and a few companions. Generally the retailer doesn't just offer CCTV gear, they may even be the corner handyman shop, with some CCTV on the rack, or the nearby mass bazaar store, offering CCTV hardware alongside your staple goods, or some famous online destination advancing a wide range of contraptions.

I need you to consider this. Could a mass shop retailer help you to pick a CCTV framework for your home, or help you to purchase the CCTV framework which they have on the rack? Does the mass store retailer help you in view of years of experience and study? - recall our minimal therapeutic case toward the start of this article!

Why get proficient help to help you Choose a CCTV System?

On the off chance that you need a CCTV framework that is going to ensure you in your home or business - I propose you get answers from an expert security counsel.

There are a great deal of items in this business sector. Numerous are collected in Asian terraces utilizing gear from bland suppliers - yet they all have a striking resemblance. It takes a couple of years of examining and testing to get the opportunity to sort the quality goods from the refuse.

Here's a little story I might want to relate.

I once remarked to a Chinese Manufacturer, that the cost of their camera was very costly. He asked me what I might want to pay for the camera. I gave him a cost around 30% lower. "Obviously I can do it!" he shouted "I'll simply utilize one board rather than two, and put less IC's on the board"

On the off chance that you will be picking your CCTV framework, in view of value alone - I can let you know now that you are likely going to purchase second rate hardware, it will have a shorter lifespan, will most likely not be compelling, and will serve to give an incorrect conviction that all is well with the world.

I envision this isn't the sort of article you anticipated that would discover, when you wrote How to Choose a CCTV framework right?

Well for the most part these sorts of articles are going to attempt and show you about CCTV. The information they give is restricted to what the business master behind the article has. By and large such exhortation does exclude any security based data, and just expect that CCTV is the best answer for your issue.

You will be told about Lenses, and CCD's and more - BUT, guess what!? My CCTV professionals have gone to month long courses, and many of them - and I can let you know that picking a CCTV framework includes 100 if not 1000 times more data than you are going to get over the mass store counter.

It never neglects to astonish me - that individuals will purchase a CCTV framework, that won't work! The reason DIY is deep discounted, is on the grounds that it's a half measure!

Presently ideally you have the point - when confronted with the choice of how to pick a CCTV framework, get proficient help.

What you ought to do before calling the CCTV organization

There is something you ought to do in your home or business before you call the expert however. Not even an expert can give you a successful framework on the off chance that YOU don't know why you need it! I Suggest you do the accompanying.

Get hold of the arrangements for your home or business, or draw a schematic on the off chance that you don't have predrawn plans.

Separate your home or business into real segments. eg. Kitchen, carport, living room, front yard - you will recognize what the significant ranges of concern are for you.

Name every area 1,2,3 or A,B,C - it doesn't generally make a difference.

For every segment compose a rundown of undesirable occasions that have happened, or may happen in the range.

For every occasion portray how visual help (that is the thing that CCTV is) could help you oversee, wipe out, or diminish that occasion and it's results.

When you have arranged this rundown, you are prepared to call the CCTV organization, and portray what you really require. The CCTV stuff, about interweaving and dynamic output, spatial and transient determination, lenses, and camera sorts - surrender that over to the CCTV proficient - learning 10% of somebody elses exchange, isn't going to help you much!

Gracious, and before I complete the article, I simply need to specify that terrible hardware will rapidly dissolve the pay of a CCTV integrator - on the off chance that they need to continue about-facing, to alter it! You can make sure that CCTV integrators are utilizing the hardware that works for them - it might take you a couple buys, to some detriment to locate a quality item, that works.

I trust this article helps you to understand that the best CCTV framework you can pick, is one that is composed by a security proficient, with limitless learning about security by and large.

স্বল্প খরচে সুনিশ্চিত নিরাপত্তা।বিস্তারিতঃ 01614-000401,01797-992826

Would your business advantage from an Access control framework?

Well being and security are pretty much as essential for little organizations as they are for extensive, multi-national organizations. Here at Firsteye we give a scope of security arrangements, including access control frameworks, intended to meet the security prerequisites of organizations of all shapes and sizes.

Introducing an entrance control framework in your business premises will permit you to guarantee that lone the general population you need – at the end of the day your staff – have entry to the safe and vital zones of your working environment or workplaces, giving insurance against gatecrashers and anticipating security ruptures. What's more, an entrance control framework is a valuable route for staff to sign in and out as they leave the building, so you know who's on your premises and when.

Is an entrance control framework ideal for you?

Numerous little organizations expect that get to control frameworks are just utilized by enormous organizations. However a tremendous scope of work environments and associations observe access control to be unfathomably helpful: from little office premises, directly through to multi-national organizations situated in tall structures. In the event that your business has a territory to which you have to control access, you are prone to find that an entrance control framework will end up being precious. It may be, for instance, that you have to control access to the primary passageway of your building, or you have several rooms which should be secured, or the whole building. We introduce access control frameworks intended to secure an extensive variety of various ranges, with probably the most famous being stock rooms, IT offices and staff rooms. Whether you have only one room or a few zones which require security, we'll work intimately with you to give a perfectly customized arrangement.

The advantages of access control for little organizations

Introducing an entrance control framework could offer your business a scope of advantages, including:

A compelling obstruction to avoid gatecrashers and robbery

Assurance of hardware and records

Monitoring your representatives' working hours

Fire security is enhances as you'll know precisely who is in the building

These are only a portion of the advantages of an entrance control framework and on the off chance that you might want to discover more, or to talk about your prerequisites, why not reach us today?

OptimationBD a name for security concern, the most specialized system integrator in Bangladesh having the doctrine to reveal the authentic feature of modern security system concept and other accessories to the valued market, providing you the most advanced CCTV camera in Bangladesh.

Security at some tall structures is given utilizing a card access control framework in the lift. This framework normally includes introducing a card peruser in the lift, and making associations between the entrance control framework and the lift control framework. The framework is planned so that an entrance card is required to work a few or the greater part of the floor choice catches in the lift auto.

    Find your Right Security for Your Secured life. OptimationBD provide high quality Security     Accessories.

CCTV Camera Solution in Bangladesh

Optimation Provide Best CCTV Camera

CCTV Bangladesh

Well Come to our CCTV Camera house.A computerized capacity framework is utilized to catch and store the pictures from 1 to 16 cameras.

Extra stockpiling frameworks can be connected to permit extra cameras to be associated. A hard drive is the medium onto which the pictures are put away. The framework can likewise be connected to a current LAN (neighborhood) or associated by means of the web to a remote PC, where live pictures and put away pictures can be evaluated (ISDN rapid associations are prescribed to guarantee a high video exchange rate.
                                                 

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To keep Security for businesses & property safe from unwanted crash

Security cameras space an important a part of any business as they permit you to stay a watch on your living and make sure that nothing goes to happen to that. If one thing will happen, then you have got the protection camera footage to assist assist you in fixing the issues and catching those folks behind them. trendy security camera systems have lots of options that take security to innovative levels. one in all the foremost useful options of today’s security camera systems is one found in HikVision cameras, Missing Object Detection. Missing Object Detection could be a feature that's excellent for security camera systems that square measure observation things sort of a warehouse or cupboard space 24/7, wherever special options will very assist your security camera system.

CCTV Camera Price in Bangladesh

CCTV camera in Bangladesh