Datavideo NVS-25 H.264 Video Streaming Server

Datavideo NVS-25 H.264 Video Streaming Server

Datavideo NVS-25 H.264 Video Streaming Server

B&H # DANVS25 MFR # NVS-25
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Product Highlights

  • H.264 Video Encoder
  • SDI, HDMI, and Composite Video Inputs
  • Records and Streams Video
  • Supports HD and SD Resolutions
  • Scaling + Deinterlacing Before Encoding
  • Controlled over the Network
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Price:  $799.00

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Datavideo NVS-25 overview

  • 1Description

Stream HD or SD video to the web with Datavideo's NVS-25 H.264 Video Streaming Server. The NVS-25 encodes incoming video to H.264 in real time and can send it to stream on the web while simultaneously recording to a USB drive. Having the recording is good for content creators who want their video to be available on-demand after the live stream is over. For ease of use the NVS-25 uses a simple web-based user interface (UI) that can be accessed from a standard web browser. The UI can configure the settings and also upgrade firmware from the web.

The rear panel has the input section and the network output. The NVS-25 can accept video from SDI, HDMI, or Composite sources. Audio can be routed into the stream from embedded audio in SDI or HDMI feeds, or from dedicated XLR and RCA audio inputs. Scaling and deinterlacing can be accomplished on any video input. Processing is done pre-encoding for better quality video. The front panel contains the status LEDs, the power switch, and a USB port. The USB port can output encoded video to a hard drive or flash drive.


High-quality HD / SD H.264 network streaming; H.264 / AVC video CODEC, up to High Profile Level 4.0
Embedded or External Audio
Audio inputs: select embedded or external audio source
GOP Structure Support
Supports 3 types of GOP structure: IBBP, IPPP and IBP
Deinterlacing Support
Supports de-interlace video streaming for progressive output
Easy-to-Use Web User Interface
Web UI for system configuration and FW upgrade
Front Panel Button Control
Front panel control for recording and streaming
Video Scaler
Flexible video scaler presets for streaming out
USB Storage Support
Attach USB storage device (Up to 1TB storage device)
UPC: 672255006795
In the Box
Datavideo NVS-25 H.264 Video Streaming Server
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Datavideo NVS-25 specs

    Video Inputs 1 x HD/SD-SDI via BNC Connector
    1 x CVBS (composite video) via BNC Connector
    1 x HDMI
    Video Encoding H.264 AVC video codec, up to high-profile level 4.0, configurable bit-rate up to 6 Mbps
    Supported Video Resolutions 1820 x 1080p 50/59.94/60 (recorded at 25/30p)
    1920 x 1080i 50/59.94/60
    1280 x 720p 50/59.94/60
    720 x 576i 50
    720 x 480i 59.94
    Audio Input 2 x Channels SDI embedded audio
    2 x Channels analog audio via 2 x XLR or 2 x RCA Connectors
    2 x Channels HDMI embedded audio
    Audio Encoding AAC-LC audio codec
    Sample rate: 16-bit/48 kHz
    Bit rate: up to 384 kbps
    Output 1 x RJ-45 (10/100M Ethernet)
    1 x USB 2.0 type A for file output to USB storage
    Storage USB 2.0 mass storage
    File system: FAT32/MP4
    Network DHCP Client
    Streaming protocols: HLS/RTSP/RTMP (1 protocol at a time), supports up to 3 clients
    Control Web UI for system configuration and control
    System Monitoring LEDs for power, input status, REC status, and streaming status
    Power Input 100 to 240 VAC
    Environmental Operating temperature: 32 to 122°F / 0 to 50°C
    Storage temperature: 14 to 140°F / -10 to 60°C
    Packaging Infoxsweuxtwvu
    Package Weight 3.25 lb
    Box Dimensions (LxWxH) 11.4 x 9.8 x 4.0"

    Datavideo NVS-25 reviews

    NVS-25 H.264 Video Streaming Server is rated 2.7 out of 5 by 6.
    Rated 5 out of 5 by from Firmware fix did the trick I bought the NVS-25 for an educational conference. We streamed to YouTube for 3 straight days without a hick-up. I made sure it had the latest firmware which apparently fixed many previous issues. A great streaming tool. Bill
    Date published: 2016-02-06
    Rated 2 out of 5 by from Consumer at best Do not purchase for any professional use. Seems to work but the GUI is not intelligent enough to know if it is connected to the internet or not. It just tells you it is streaming. We pulled the Ethernet cable during a test and it did not trigger an error.
    Date published: 2016-02-23
    Rated 1 out of 5 by from RTMP output corrupt The RTMP stream has out of sequence time stamps which causes havoc when using most any content delivery network provider. Best wait for a firmware update before considering these units.
    Date published: 2015-11-13
    Rated 1 out of 5 by from Latest firmware does not fix 'out-of-sequence' time stamps If you have a content delivery network that is supplying RTMP streams from the incoming NVS-25 RTMP feed you probably won't experience the problem. But, if you want to use Akamai, the largest content delivery network in the world, which is taking in the RTMP and then chunking it into HDS and HLS streams, there is a major issue. At a client installation where we installed four of these units, we have had to put two machines in line that take the NVS-25 and then republish them ignoring time stamps.
    Date published: 2016-06-17
    Rated 2 out of 5 by from Mediocre product - firmware updates too slow This product does what it's supposed to do - sort of. It records well, and it streams well (even if the web UI isn't great). We bought the NVS-25 to simultaneously stream and record church services. We have the NVS-25 connected from a Datavideo SE-700 switcher which is great because we can record to a flash drive an mp4 or mov file that's nearly fully-produced. And the price point is pretty good compared to a few similar alternatives. However, we quickly discovered that this unit has some glaring flaws. If you begin the recording process before beginning the streaming process, the stream simply does not get out. The streaming LED turns on and the web UI shows that it's streaming but it does not connect to any streaming/content host. If, however, you begin the stream BEFORE the recording process they both work fine. The big problem in our case is that occasionally the stream has dropped during a service, which isn't totally acceptable but wouldn't be as big of a deal IF we could just start it over. Instead we have to turn off the recording process to begin the stream again, which means we add several extra steps to post-production. And no, this is not just happening on our device. A friend in town has the same unit and his performs identically. Luckily they don't use it quite like we do so it's not a big problem for their setup. I've talked to Datavideo Customer Support to report the issue, and although responsive, I have been waiting on a firmware update for a few months now. The part that really bugs me is that this unit only has two functions - record and stream. It seems a bit ridiculous to me that a company would begin selling a product like this without testing forwards and backwards something that has such limited functionality. Just consider your needs before purchasing or contact Customer Support to see if the issue has been resolved. I really want this little thing to work, but we're now looking to replace it after owning it for only 5-6 months.
    Date published: 2016-08-15
    Rated 5 out of 5 by from Great Encoder We bought the NVS-25 to stream our seminars. It was easy to set up and use. I watched the video tutorial that Datavideo made, which helped me through the set up part. I like the simple push of a button to stream and record.
    Date published: 2016-03-10
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