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's the difference between dual-stream and mainstream?
Dual-stream allows you to receive and maintain two streams from an analogue or IP camera with different resolutions. The main stream is a high-resolution stream while the sub-stream is typically a low-resolution stream. The main advantage of dual-stream is it reduces CPU load on the server running Line.
What is Substream on DVR?
Some newer DVRs on the market provide a feature called sub-stream or dual-stream. When the resolution or frame rate of the recorded video is too high for the available bandwidth, a substream will be used to view the DVR over a LAN or WAN. A substream or extra stream is the second codec that runs with the main stream.
What's the difference between mainstream and 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..
Why do security cameras have multiple streams?
IP cameras typically support multiple streams, allowing a single camera to transmit multiple streams at different resolutions, frame rates and even codecs. The benefit of this multi-streaming is that it saves significant client-side bandwidth and processing power.
What are CCTV streams?
In CCTV and security camera systems the media is a video stream that can be with or without audio. The protocol packs complex transcoding and programming together behind the scenes to transfer video over a network or to the internet with an easy to use link.Sep 3, 2020