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Video and audio streams
Other MPEG-4 clients
Although it may be possible to use other clients to view the MPEG-4 stream, it is not
guaranteed that it will work in all cases.
For some other clients, for example,. QuickTime™ the Video Object Typ
e must be set to
Simple. It may also be necessary to adjust the advanced MPEG-4 settings.
To access the video stream
, for example, from QuickTime™ the following path can be used:
rtsp://<ip>/mpeg4/#/media.amp
This path is for all supported methods, and the cl
ient will negotiate with the Axis video
server to determine which transport protocol to use.
Notes:
• <ip> = IP address.
• # = video source number or the quad stream. This is set to 1 if omitted.
Audio transmission methods
The audio stream can be accessed in the
Live View page when viewing either Motion JPEG
or MPEG-4.
Using Motion JPEG
The basic transmission method of audio
used in conjunction with Motion JPEG video
streaming is transmission over HTTP. The video and audio streams are not synchronized
when using Motion JPEG so the streams may be slightly out of sync. The latency in any
stream should be low, but this will depend on the network infrastructure.
Using MPEG-4
When using MPEG-4, audio is streamed using
the same protocol as the video stream.
When audio is transmitted using MPEG-4, the Axis video server
sends synchronization
information along with the streams to the client performing the synchronization.
Note:
Audio is streamed from the client to the server over HTTP when using Motion JPEG and MPEG-4.
Accessing the audio streams
In addition to accessing audio in the Live View page using AMC, audio from the AXIS
243SA can also be accessed in the following ways:
VAPIX API
You can read about accessing audio for the other protocols through th
e VAPIX® API at
www.axis.com/techsup
QuickTime/Windows Media Player
It is possible to use QuickTime and Windows Media Player
to listen to the audio stream
using the same methods to access video streams.
Java Applet
The Java applet supports simplex audio (from server
to client).