FMUSER Wirless Transmit Video And Audio More Easier !

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    What is the difference between H.265 and H.264? What should I pay attention to in actual use?

    I believe everyone has heard of the two encodings of H.265 and H.264, as well as the explanation of professional terms. Including TV sets will be marked as supporting H.265 format 4K video encoding, and video surveillance systems will also be marked as supporting H.265. But without using it before, it’s hard to say that you really know the difference between the two. Let’s take a moment to understand the difference today.

    H.264 is a compressed video coding standard proposed by the Video Coding Expert Group.

    The H.264 standard includes: access unit divider, additional enhanced information, basic image coding, redundant image coding, instant decoding refresh, hypothetical reference decoding, hypothetical code stream scheduler.

    The terminology sounds awkward, right? In fact, we don't need to understand the specific process of specific video coding and compression format standards. Just know that H.264 is a digital video compression format after MPEG4.

    The H.265 standard improves some technologies on the basis of H.264, and only needs half of the original bandwidth to play videos of the same quality. It is obvious that when using H.265 encoding, computers, mobile phones, tablets, televisions, including our surveillance industry, can save more bandwidth and capacity on the basis of the same video quality.

    With the improvement of network technology and camera chip processing capabilities, security surveillance high-definition video 720P and 1080P have gradually become popular, and 4K high-definition video has begun to appear in the surveillance field, so we used MPEG-2, MPEG-4, H.264/ It cannot be satisfied on the basis of AVC, so H.265 came into being, and the compression efficiency was doubled.

    A few days ago, I chatted with a friend who is doing monitoring project and said that now using H.265 hard disk video recorder, the same number of days of video storage requirements can save half of the capacity, such as 8T hard disk before, and now 4T hard disk can be used, jokingly When the 8T was installed at the beginning, you can even take one back and guarantee the same storage days.

    Let’s take a look at the difference between the video storage space under H.264 and H.265 technologies. For example, the 200W network camera we usually use has a stream of 4MB/S, which is 4096kbps. Then we know the stream, time, and number of channels. We can directly calculate the capacity for 1 day.

    Formula: 1DAY=code stream×3600×24÷8÷1024÷1024

    Note: Because the unit of the code stream is seconds, so we need to convert the hour to 3600 seconds to calculate. For 24 hours a day, 8 is a byte. When our formula goes to ÷8, it is calculated in MB, and then ÷1024 , Converted to G, then ÷1024, converted to T. In this way, the storage capacity for one day is calculated, and the customer needs to store it for as long as it needs to be multiplied by the number of days.

    Then H.265 storage is to compress the code stream. The calculation of the storage space is basically divided by 2 on the basis of H.264, which is the capacity for one day, which should be 40%-60%. It is estimated that dividing by 2 is no problem. 200W pixels are 20G per day; 300W pixels are 30G per day; 400W pixels are 40G per day.

    How to use the equipment that supports H.265? Is the storage space halved by connecting the previous network camera directly to the H.265 video recorder? The display is not. The camera and NVR must support H.265 technology at the same time. You can see whether H.265 is supported in the device parameter description. If the camera and NVR are supported by one side but not supported by the other side, it is backward compatible with other devices, that is, normal use, other functions are realized, except for storage halving.

     

    How far(long) the transmitter cover?

    The transmission range depends on many factors. The true distance is based on the antenna installing height , antenna gain, using environment like building and other obstructions , sensitivity of the receiver, antenna of the receiver . Installing antenna more high and using in the countryside , the distance will much more far.

    EXAMPLE 5W FM Transmitter use in the city and hometown:

    I have a USA customer use 5W fm transmitter with GP antenna in his hometown ,and he test it with a car, it cover 10km(6.21mile).

    I test the 5W fm transmitter with GP antenna in my hometown ,it cover about 2km(1.24mile).

    I test the 5W fm transmitter with GP antenna in Guangzhou city ,it cover about only 300meter(984ft).

    Below are the approximate range of different power FM Transmitters. ( The range is diameter )

    0.1W ~ 5W FM Transmitter :100M ~1KM

    5W ~15W FM Ttransmitter : 1KM ~ 3KM

    15W ~ 80W FM Transmitter : 3KM ~10KM

    80W ~500W FM Transmitter : 10KM ~30KM

    500W ~1000W FM Transmitter : 30KM ~ 50KM

    1KW ~ 2KW FM Transmitter : 50KM ~100KM

    2KW ~5KW FM Transmitter : 100KM ~150KM

    5KW ~10KW FM Transmitter : 150KM ~200KM

    How to contact us for the transmitter?

    Call me +8615915959450 OR
    Email me [email protected]
    1.How far you want to cover in diameter ?
    2.How tall of you tower ?
    3.Where are you from ?
    And we will give you more professional advice.

    About Us

    FMUSER.ORG is a system integration company focusing on RF wireless transmission / studio video audio equipment / streaming and data processing .We are providing everything from advice and consultancy through rack integration to installation, commissioning and training.
     
    We offer FM Transmitter, Analog TV Transmitter, Digital TV transmitter, VHF UHF Transmitter, Antennas, Coaxial Cable Connectors, STL, On Air Processing, Broadcast Products for the Studio, RF Signal Monitoring, RDS Encoders, Audio Processors and Remote Site Control Units, IPTV Products, Video / Audio Encoder / Decoder, designed to meet the needs of both large international broadcast networks and small private stations alike.
     
    Our solution has FM Radio Station / Analog TV Station / Digital TV Station / Audio Video Studio Equipment / Studio Transmitter Link / Transmitter Telemetry System / Hotel TV System / IPTV Live Broadcasting / Streaming Live Broadcast / Video Conference / CATV Broadcasting system.
     
    We are using advanced technology products for all the systems, because we know the high reliability and high performance are so important for the system and solution . At the same time we also have to make sure our products system with a very reasonable price.
     
    We have customers of public and commercial broadcasters, telecom operators and regulation authorities , and we also offer solution and products to many hundreds of smaller, local and community broadcasters .
     
    FMUSER.ORG has been exporting more than 13 years and have clients all over the world. With 13 years experience in this field ,we have a professional team to solve customer's all kinds of problems. We dedicated in supplying the extremely reasonable pricing of professional products & services.
    Contact email : [email protected]

    Our Factory

    We have modernization of the factory . You are welcome to visit our factory when you come to China.

    At present , there are already 1095 customers around the world visited our Guangzhou Tianhe office . If you come to China , you are welcome to visit us .

    At Fair

    This is our participation in 2012 Global Sources Hong Kong Electronics Fair . Customers from all over the world finally have a chance to get together.

    Where is Fmuser ?

    You can search this numbers " 23.127460034623816,113.33224654197693 " in google map , then you can find our fmuser office .

    FMUSER Guangzhou office is in Tianhe District which is the center of the Canton . Very near to the Canton Fair , guangzhou railway station, xiaobei road and dashatou , only need 10 minutes if take TAXI . Welcome friends around the world to visit and negotiate .

    Contact: Sky Blue
    Cellphone: +8615915959450
    WhatsApp: +8615915959450
    Wechat: +8615915959450
    E-mail: [email protected]
    QQ: 727926717
    Skype: sky198710021
    Address: No.305 Room HuiLan Building No.273 Huanpu Road Guangzhou China Zip:510620

    English: We accept all payments , such as PayPal, Credit Card, Western Union, Alipay, Money Bookers, T/T, LC, DP, DA, OA, Payoneer, If you have any question , please contact me [email protected] or WhatsApp +8615915959450

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      We recommend you use Paypal to buy our items ,The Paypal is a secure way to buy on internet .

      Every of our item list page bottom on top have a paypal logo to pay.

      Credit Card.If you do not have paypal,but you have credit card,you also can click the Yellow PayPal button to pay with your credit card.

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      But if you have not a credit card and not have a paypal account or difficult to got a paypal accout ,You can use the following:

      Western Union.  www.westernunion.com

      Pay by Western Union to me :

      First name/Given name: Yingfeng
      Last name/Surname/ Family name: Zhang
      Full name: Yingfeng Zhang
      Country: China
      City: Guangzhou 

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      T/T .  Pay by T/T (wire transfer/ Telegraphic Transfer/ Bank Transfer)
       
      SWIFT BIC: BKCHHKHHXXX
      Bank name: BANK OF CHINA (HONG KONG) LIMITED, HONG KONG
      Bank Address: BANK OF CHINA TOWER, 1 GARDEN ROAD, CENTRAL, HONG KONG
      BANK CODE: 012
      Account Name : FMUSER INTERNATIONAL GROUP LIMITED
      Account NO. : 012-676-2-007855-0

    * It will be sent in 1-2 working days when payment clear.

    * We will send it to your paypal address. If you want to change address, please send your correct address and phone number to my email [email protected]

    * If the packages is below 2kg,we will be shipped via post airmail, it will take about 15-25days to your hand.

    If the package is more than 2kg,we will ship via EMS , DHL , UPS, Fedex fast express delivery,it will take about 7~15days to your hand.

    If the package more than 100kg , we will send via DHL or air freight. It will take about 3~7days to your hand.

    All the packages are form China guangzhou.

    * Package will be sent as a "gift" and declear as less as possible,buyer don't need to pay for "TAX".

    * After ship, we will send you an E-mail and give you the tracking number.

    For Warranty .
    Contact US--->>Return the item to us--->>Receive and send another replace .

    Name: Liu xiaoxia
    Address: 305Fang HuiLanGe HuangPuDaDaoXi 273Hao TianHeQu Guangzhou China.
    ZIP:510620
    Phone: +8615915959450

    Please return to this address and write your paypal address,name,problem on note:

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    FMUSER Wirless Transmit Video And Audio More Easier !

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    E-mail:
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    +8615915959450

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