Bosch VG5-825-ETEV Specifications download pdf (Page 40)

American Dynamics 8 Channel IP Encoder (M&H)

15-2 Camera Handler Release Notes

• Changing streaming parameters like bit-rate, quality, frame-rate, key frame interval and others

would require the stream to be restarted, hence a small glitch in play out might be observed

during this time.

• Focus and Iris is not supported by thin Client Web GUI, because 8 Channel Encoder supports

only relative value change and does not support absolute change of values. However it is

supported in Pattern.

• Consecutive audio channel pairs should be configured with same codec otherwise RTSP will

send a 500 message. Pairing as below {PCMU,PCMA},AAC.

• Due to the limitation in the Encoder firmware, the QCIF video stream uses the 172x112

resolution.

• “Pattern” cancel feature is not supported in a consistent manner. During “Pattern Cancel”,

pattern recording is cancelled. Upon reinitiating the recording on a pattern, old recorded pattern

sequence is overwritten.

• “Focus” and “Iris” support has been removed, to maintain consistency, the “Auto Iris” feature is

also disabled.

• During Tilt having stopped at zero-tilt position in Dome camera where a flip of 180 degree

happens, might leads to the camera tilting continuously.

• It has been observed that CBR operation for MPEG-4 at lower frame-rate settings is blocky and

full of artifacts. To improve the same, a constant quality settings operating as VBR is found to be

more effective. This has been incorporated in the solution.

• Due to the limitation in the encoder, simultaneous PT and Z operation using the encoder on a

camera is not supported.

• Due to the limitation in the encoder while operating in resolution QCIF, GOP settings 2 and in

CBR transmission mode, it is possible to observe up to 50% frame drops depending on the

complexity of input scene.

• Bitrate / Quality or any streaming parameter changes using the encoder webpage does not

reflect or take effect on the already started or existing streaming session. Either the encoder

needs to be restarted or the streaming session needs to be restarted for these parameters to

take effect.

• ADEIP8H PTZ zoom in feature can’t work with SpeedDome UD8( Pelco-P protocol).

• ADEIP8H PTZ zoom in and zoom out feature can’t work with Pelco Dome(Pelco-D protocol).

• ADEIP8H on rare occasions the MJPEG stream may send the bad frames that the fame size is

only several dozen bytes.

Note

Please refer to AD 8-Channel IP Encoder (M) and (H) Release Notes for additional information.

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Bosch VG5-825-ETEV Specifications Page 40