Whichever other reductive methods are applied to a video stream, encoding and decoding the stream for transmission and viewing will always require some kind of compression.
H.264 is the current MPEG standard (MPEG-4 AVC) for video encoding. H.264 and its successor H.265 (MPEG-4 HEVC) are likely to be the video standards of choice for the foreseeable future. Axis has now taken H.264 a step further with its Zipstream technology – a radically more efficient implementation of H.264, which can reduce bandwidth and storage requirements by an average 50% or more when compared to H.264.
Axis Zipstream provides various methods for reducing the video bitrate:
- Dynamic Region of Interest (ROI)
- Dynamic GOP
- Dynamic FPS
These methods can be used independently of each other, or in combination, to reduce the stream’s bitrate and make the best use of the available bandwidth.
