Configuration manual for 2N IP intercoms
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MJPEG– is a video stream encoding format in which each image is compressed separately
by JPEG. MJPEG encoding produces high-quality video at a significantly higher bit rate
compared to the methods mentioned below.
H.263– is a video stream compression standard used in telecommunications. Unlike
MJPEG, H.263 uses differences between consecutive images and provides a significantly
higher level of compression to the detriment of the video stream quality.
H.263+– is like H.263, but supports a different bit stream packetisation method.
MPEG-4 part 2– is a video stream compression standard used mostly in areas other than
telecommunications, but often supported by IP camera and video surveillance systems.
In2N IP intercoms, the compression level and image quality are comparable with the
H.263 standard.
H.264– is a video stream compression standard. Compared to H.263 and MPEG-4, H.264
provides an approximately identical level of video stream quality but a half bit rate. This
type of compression is sometimes called MPEG-4 part 10.
G.711– is one of the most common audio transmission standards in telecommunications.
It uses the sampling frequency of 8kHz and data are compressed using logarithmic
compression.
List of Parameters
ONVIF/RTSP
The2N IPintercoms integrate an RTSP server, which can be configured in this tab. The RTSP
server allows for audio/video streaming. You can choose the data transmission method, video
compression method/parameters and other parameters associated with transmission security
and quality.
RTSP Server Enabled– enable the RTSP server function in the intercom.
Audio Stream Enabled– enable offering of audio stream while establishing connection
with the RTSP server. If audio streaming is disabled, audio will not be transmitted via the
fixed streaming profiles or local stream URL.
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