Axis M1054 User Manual download pdf (Page 17)

AXIS M10 Series - Video & Audio Settings

Overlay Settings

Use these settings to include text, date,

and time as overlay. Click for

information on available options.

Preview

For a preview of the image before saving

the adjusted settings, select the Video

Format and click Open.... When satisfied

with the settings, click Save.

Audio (AXIS M1031-W and AXIS

M1054)

Check the Enable Audio option to enable

audio.

Configuration settings from Video &

Audio > Audio Settings are displayed

under Current Audio Settings. See

Audio Settings (AXIS M1031-W and AXIS M1054), on page 19 for more information on the

audio settings.

H.264 & MPEG-4

GOV Settings

The GOV structure describes the composition of the video stream. Setting the GOV-length to a higher value saves considerably

on bandwidth but may have an adverse effect on image quality.

Bit Rate Control

The bit rate can be set as Variable Bit Rate (VBR) or Constant Bit Rate (CBR).

VBR adjusts the bit rate according to the image complexity, using more bandwidth for increased activity in the image, and less

for lower activity.

CBR allows you to set a fixed Target bit rate that consumes a predictable amount of bandwidth. As the bit rate would usually

need to increase for increased image activity, but in this case cannot, the frame rate and image quality are affected

negatively. To partly compensate for this, it is possible to prioritize either the frame rate or the image quality whenever the bit

rate needs to be increased. Not setting a priority means the frame rate and image quality are equally affected.

Notes:

• AXIS M1054 does not support MPEG-4.

• To determine a reasonable bit rate, go to Setup > Video & Audio > Video Stream > Image, check the Include

checkbox and enter the code #b in the Include text: field. The current bit rate will display as a text overlay on the Live

View page.

• To view the image stream while configuring the GOV settings and Bit rate control, select Open... under Preview..

MJPEG

Sometimes the image size is large due to low light or complex scenery. Adjusting the maximum frame size helps to control the

bandwidth and storage used by the Motion JPEG video stream in these situations. Defining the frame size as Unlimited

provides consistently good image quality at the expense of increased bandwidth and storage usage during low light. Limiting

the frame size optimizes bandwidth and storage usage, but may give poor image quality. To prevent increased bandwidth and

storage usage, the maximum frame size can be limited.

Text, date &

time overlay

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Axis M1054 User Manual Page 17

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