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Arecont Vision

27-2 Camera Handler Release Notes

• Streaming large amounts of data to Quicktime may cause a distorted image to appear. This is

due to Quicktime or the network card on the host on which Quicktime is running, preventing

large bit rate streams particularly during the start up of H.264 due to the bursting of all frames

since the previous Key frame. This result may be a green/mosaic screen especially on motion

scenes. This may occur for both live and historic playback on NVR and Victor client.

• The AV8xxx will be viewed with victor Client. Not all functionality is supported by the Web-Client.

• Due to a camera limitation, the actual frame rate may be lower than the requested frame rate.

• Due to a camera RTSP performance limitation, for AV8XXX series, the camera can only deliver

approximately 2 FPS per lens.

• Due to an NVR performance limitation the max fps is limited to 30 for AV1115, AV1125, AV1315,

AV1325, AV2115, AV2125.

• For AV8XXX, AV20XXX models it is highly recommended to have all four inputs from the camera

set to the same storage section in the VE-NVR. Mixing may cause mixed retention times for

some inputs compared to others.

• In order to control bitrate of the H.264 stream the user can set quality levels via the NVR camera

stream detail page. The bitrate will change according to a number of factors: complexity, light

change and movement in the scene. In a scene with a lot of movement at the lowest quality, the

bitrate of the stream will be higher than in a still scene at the highest quality.

• Due to a camera limitation, the bitrate and quality cannot be set through the camera's web

interface. The bitrate and quality values have to be included in the RTSP URL for them to work.

• When upgrading the camera handler pack, note that the parameters of video streams may be

changed to the default values. It is recommended to recheck video codec parameters when

upgrading or restoring configuration backups.

• Due to a camera limitation, for Arecont cameras all MJPEG only cameras (Arecont: AVxx00,

AV8180, AV8360 - CBC: MP1A, MP2A, MP5A and MP8D-L4) will stream at a higher FPS

(reaching max FPS) when setting to 15FPS. FPS of 14 and lower are not affected by this issue.

• NVR 4.1 or above motion detection can only handle a resolution of 800x600 (or 800x592), not

1600x1200 (or 1600x1184) for AV8XXX cameras. (Maximum resolution for NVR to handle

motion detection is 1280x960).

• Due to a camera MJPEG video stream non-compliance, motion detection might not work on

some models.

• For AV8XXX cameras, motion detection can only be enabled if single MJPEG is set for every

lens.

• VideoEdge NVR requires a minimum of four (4) frames per second to provide reliable motion

search results. Due to the limitation of the Arecont Vision camera to produce two streams at the

minimum frame-rate required for motion data generation video motion search performance will

vary.

• The AV8xxx provides an option to "Equalize Brightness" across all four imagers. This will cause

all the lenses to have the same brightness as the first lens. The VE-NVR camera handler has

this value unassigned when cameras are added. If the camera has this value set by the

camera's web configuration page the camera's brightness cannot be changed by the NVR.

• Due to camera performance limitation and network status, refreshing the camera list within the

Victor Client may take 0.1 to 1 second to get each property from the camera. In addition changes

to properties on the VE-NVR may take 2 to 30 seconds.

• AV818X and AV2018X are 180° view cameras. Its layout is 4x1 and its sequence is "1,4,2,3".

Therefore to display a full view of 4X1, Victor Client should be used. In order to display all

cameras correctly the images of input 1 and 2 are inverted 180° by default.

• AV836X and AV2036X are 360° cameras. Its layout is 2x2 and its sequence is "1,2,3,4" and has

no rotate issue (all are the same).

• Different Arecont panoramic camera models may produce different bit rates for the same scene.

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