How to use NVS-40 Streaming Encoder/ Recorder

4 Channel Streaming Encoder/ Recorder


The Secretary of the Taiwan Multimedia Creative Teaching (TMCT) Association and Director of the Taiwan Microlecture Association, Sam has been an audio and video professional for 20 years. Sam is a master in scriptwriting, videography, live video production, non-linear editing, and live video streaming. As the Secretary and Director of two associations, both educational NGOs, Sam has a strong passion for media education. He has many years of teaching experience in the College of Communication as a professional lecturer.

專長: Scriptwriting, videography, live video production, non-linear editing, and live video streaming.

教學經驗: Many years of teaching experience in the college of communication as a professional lecturer.



The Datavideo NVS-40 is a 4-channel streaming encoder/recorder designed to facilitate the simultaneous recording and streaming of high-quality videos. This versatile device allows users to configure various video formats and bitrates based on different applications and internet bandwidths.

Featuring SDI x 1 and HDMI x 4 video inputs (with Channel 1 supporting either SDI or HDMI), the NVS-40 enables the encoding of up to 4 1080P signal sources into 8 streams at different bitrates concurrently. It can record signals from up to 4 inputs and 1 output channel to a hard disk or live-stream them to up to 10 different streaming platforms simultaneously.

The NVS-40 accommodates external XLR balanced audio and RCA unbalanced audio inputs, and it can function as an ISO recorder, creating backup files for each input channel. Acting as a Video IP switcher, it allows remote control over internet connections.

Additionally, the device supports the insertion of a 2.5” HDD/SSD into the front panel, which can be formatted in NTFS, FAT, and exFAT formats, enabling the recording of a single video file with a size exceeding 4GB.

  • Four Input Channels for Video Encoding/Capturing/Streaming

  • H.264 Streaming and Recording Simultaneously

  • Video IP Switcher

  • ISO Recorder for 4 Input Channels and 1 Program Output.

  • Quad View/PIP/POP/Full Screen/PBP Screen Layouts.

  • Four Channels for Video Capturing/Encoding/Streaming

  • H.264/AVC High Profile Level

  • Configurable Bit Rate up to 30Mbps per Channel

  • Independent Encoder Settings for Simultaneous Streaming and Recording

  • Built-in De-interlacer

  • Built-in Video Scaler: Resized Resolution Range from 160 x 120 to 1920 x 1080

  • Isolated/PIP/PBP (Picture By Picture) Video Processing Modes.

  • Dynamic Parameter Settings Adjustment: GOP Size, Frame Rate, Bit Rate.

  • Multi-language Web UI including English, Simplified Chinese, Japanese, and Traditional Chinese (Will be Available Soon)
  • Dual Color LED Indicator Showing the status or detections. (For LED indicator-related sections, please refer to Appendix 1 and Appendix 2).

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This course is about Datavideo NVS-40 4 Channel Streaming Encoder/Recorder. After this course, you should have very well knowledge about what is NVS-40 capable of and how to use it.


To have a better understanding of this course, you may need the basic knowledge of what is streaming and how does it work.


This course is for people who are:
●Interest in streaming but don’t know how to start
When it comes to streaming, the beginning is the hardest part. We will guide you through this course from how to set up NVS-40 to how to use encode, record and stream in NVS-40.

●Struggle with streaming equipment
To many people, streaming is necessary yet complicated in live event production. We will show you through the right equipment, streaming can be simple and easy.


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