Compression

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Chris04626
Posts: 20
Joined: Thu Jul 14, 2016 7:22 am

Compression

Post by Chris04626 »

Whats the difference between

h.264b
h.264
h.264h

What is the best one to use?

Should Main Stream and Sub Stream be enabled? If so should they be the same settings? What is the purpose of the substream?
Melvin
Site Admin
Posts: 2210
Joined: Wed Oct 14, 2015 2:20 pm

Re: Compression

Post by Melvin »

Hello Chris04626,

Basically, as you move 'up' from h.264b to h.264 to h.264h , the theory is that you get the same quality for less bandwidth.So h.264h is supposedly the best for normal situations.

Main stream and sub stream should be enabled. Sub stream is mainly used by phone apps for streaming as it takes less bandwidth.
Can't find your answer on the forum? Try our Knowledge Base! https://amcrest.zendesk.com/hc/en-us

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Chris04626
Posts: 20
Joined: Thu Jul 14, 2016 7:22 am

Re: Compression

Post by Chris04626 »

so under storage and Record should Mainstream be set to schedule? Right now its on stop
Melvin
Site Admin
Posts: 2210
Joined: Wed Oct 14, 2015 2:20 pm

Re: Compression

Post by Melvin »

Hello Chris04626 ,

Yes set the mainstream to schedule and sub stream to stop. This ensures the DVR records in mainstream for whatever schedule you have set.
Can't find your answer on the forum? Try our Knowledge Base! https://amcrest.zendesk.com/hc/en-us

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