Readers ask: On Cctv Systems What Is The Difference Between Mainstream And Substream?


What is CCTV Substream?

Substream is a secondary stream coming from the recorder or cameras. This is customizable but at most uses about 512Kbps and is standard definition quality. This is great for viewing on some computers and most internet connections.

What is Substream Lorex?

Substream settings allow you to configure the video quality settings for streaming to a PC / Mac or smartphone / tablet. Substream allows you to conserve Internet bandwidth for connections over the LAN or Internet while still ensuring high quality recordings.

What is first and second stream?

The smallest tributaries are referred to as first -order streams, while the largest river in the world, the Amazon, is a twelfth-order waterway. First – through third-order streams are called headwater streams. When two first -order streams come together, they form a second -order stream.

What is Sub stream Dahua?

Sub stream The sub stream or extra stream is a second codec that runs alongside the main stream. This allows you to reduce outgoing internet bandwidth without sacrificing your direct recording quality. Users with limited internet speeds may benefit most from this setting. Lower video quality.

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What is dual stream recording?

Dual stream, that means it has 2 kinds of stream and enables you to take advantage of two different streams from an IP camera, NVR or DVR. One stream can be high definition video for recording, while the other stream can be a lower resolution for live display.

What is main stream vs sub stream?

Mainstream: is the primary video feed mainly use for recording.. Sub – stream: is used mainly for remote viewing from computers, smartphones, or tablets over the Internet from outside the network..

What is super codec?

) Super Codec. This setting will help reduce system requirements for unimportant recordings to maximize hard drive storage. Higher resolutions create a more detailed image, but take up more hard drive space to record and require more bandwidth to stream to connected computers or mobile devices.

How do I set up Lorex recording?

LHV / LNR Series: Configuring recording settings

  1. Right-click on the Live View to access the Quick Menu.
  2. Click Main Menu and then click the Camera icon ( ).
  3. Click Recording.
  4. Click the Recording tab.
  5. Configure the recording settings to your preferences.
  6. Click Apply to save your settings, and then click OK to exit.

What is super h264?

Super H. 264 /5: (Main Stream only) Enable to reduce system requirements for unimportant recordings to maximize hard drive storage. If you enable, select the Quality from 1 (lowest) to 6 (highest). Resolution: Select the resolution that you want to use to record the selected channel.

What are the limitations of stream order?

The main disadvantage is that it requires prior Strahler’s ordering. In some cases this may result in unnatural ordering, where the highest order will be ascribed not to the channel with higher accumulation but to the channel which leads to the most branched parts of the catchment.

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What is the highest stream order?

When using stream order to classify a stream, the sizes range from a first- order stream to the largest, a 12th- order stream. A first- order stream is the smallest of the world’s streams and consists of small tributaries.

What is the smallest type of stream?

The very smallest kind of stream, just a trickle, is a rill.

What is main stream and sub stream in CCTV?

Mainstream and substream are two different video streams used to view your camera footage. Mainstream: is the primary video feed. Substream: is the secondary video feed. Substream provides a lower quality video stream, and is typically used to stream video to computers, smartphones, or tablets over the Internet.

What is RTSP in networking?

Real Time Streaming Protocol ( RTSP ) is an application-level network communication system that transfers real-time data from multimedia to an endpoint device by communicating directly with the server streaming the data.

How do I turn on sub stream recording?

May 25th, 2021

  1. Go to the Main Menu > Storage > Record.
  2. Select the Auto box under All to enable the Sub Stream for all channels.
  3. Select OK.

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