AXIS F44 Main Unit

Video and Audio

•Maximum frame rate. To avoid bandwidth problems, the frame rate allowed to each viewer can be Limited to a fixed amount. Alternatively, the frame rate can be set as Unlimited, which means the Axis product always delivers the highest frame rate possible under the current conditions.

•Overlay settings. See Overlay on page 21.

Click Save to apply the new settings.

H.264

H.264, also known as MPEG-4 Part 10/AVC, is a video compression standard that provides high quality video streams at low bit rates. An H.264 video stream consists of different types of frames such as I-frames and P-frames. An I-frame is a complete image whereas P-frames only contain the differences from previous frames.

The H.264 stream settings can be configured from the Video & Audio > Video Stream page. Select the H.264 tab. The settings defined in this page will apply to all H.264 streams that do not use a stream profile.

The GOV length is the number of frames between two consecutive I-frames. Increasing the GOV length may save considerably on bandwidth requirements in some cases, but may also have an adverse affect on image quality.

The Axis product supports the following H.264 profile(s):

•Baseline. The Baseline profile is recommended for clients that don’t support CABAC entropy coding.

•Main. The Main profile provides higher compression with maintained video quality compared to the Baseline profile but requires more processing power to decode.

•High. The High profile provides reduced bit rate and higher compression with maintained video quality compared to the Main profile but requires more processing power to decode.

The bit rate can be set as Variable bit rate (VBR) or Maximum bit rate (MBR). VBR adjusts the bit rate according to the image complexity, using up more bandwidth for increased activity in the image, and less for lower image activity. When the activity in the scene increases, the bit rate would usually increase as well. If there is a surplus in bandwidth, this may not be an issue and selecting Variable bit rate (VBR) will be sufficient. But if bandwidth is limited, it is recommended to control the bit rate by selecting Maximum bit rate (MBR). When the activity in the scene increases, VBR adjusts the bit rate according to the complexity, using up more bandwidth for increased activity in the scene, and less for lower scene activity. MBR allows you to set a target bit rate that limits the bandwidth consumption.

The MBR target bit rate works like the ceiling of a tent. It limits the bit rate, while maintaining some flexibility . The bit rate may bounce up and down within the set target but when it nears the set target value, the limitation kicks in. However, because MBR will always prioritize a continuous video stream, it allows temporary overshoots from the target bit rate. Because setting a target value prevents the bit rate from increasing, frame rate and image quality are affected negatively. To partly compensate for this, select which variable shall be prioritized, frame rate or image quality. Not setting a priority means that frame rate and image quality are equally affected.

The current bit rate can be set to appear as text overlay. Under Overlay Settings, select Include text and enter the modifier #b in the field.

To apply the settings, click Save.

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. Setting the frame size to the Default setting provides consistently good image quality at the expense of increased bandwidth and storage usage in 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 should be set to an optimal value.

Camera Settings

The Video & Audio > Camera Settings page provides access to advanced image settings for the Axis product.

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Axis Communications F44 user manual Camera Settings, 264, Click Save to apply the new settings
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F44 specifications

Axis Communications has long been a leader in the field of network cameras, and its F44 series exemplifies this commitment to innovation and quality. The Axis F44 is designed primarily for surveillance and security applications across various environments. This camera's unique modular design allows for flexibility in installation, adapting to diverse user needs and specific site requirements.

One of the standout features of the Axis F44 is its dual-channel capability. This means it can support two separate camera heads, allowing users to monitor different areas simultaneously while using a single video management system. This flexibility not only saves costs in terms of installations but also maximizes coverage without needing multiple standalone cameras.

The F44 series is equipped with Axis's advanced Lightfinder technology. This feature ensures exceptional image quality even in low-light conditions, making it ideal for night surveillance. With its wide dynamic range (WDR), the F44 can capture details in complex lighting situations, such as brightly lit areas next to shadowed regions. The result is clear and balanced video footage, crucial for identifying potential threats or intruders.

Another highlight is the camera’s support for Axis Zipstream technology. This advanced compression algorithm optimizes bandwidth and storage usage without compromising video quality. By analyzing the scene and selectively compressing different regions of the video stream, Zipstream ensures essential details remain clear while reducing the overall file size. This is particularly beneficial for systems with limited bandwidth or storage resources.

The F44 also emphasizes user-friendly features, including remote configuration and management capabilities. This allows security personnel to make adjustments without being on site, saving both time and resources. Furthermore, the camera is built with an array of analytics tools that can be integrated into existing systems for enhanced functionality. These include motion detection, tampering alarm, and video analytics features which can be customized based on specific security needs.

In terms of construction, the Axis F44 series is robust and designed for durability. It is compliant with various weather-proofing standards, making it suitable for outdoor installations in various climatic conditions. The camera can also be outfitted with various lens options depending on the specific use case, further increasing its versatility.

In conclusion, the Axis F44 combines advanced imaging technologies, flexible installation options, and robust construction, making it an excellent choice for security professionals seeking reliable and high-performing surveillance solutions. Whether for urban or rural applications, the F44’s blend of features ensures it meets diverse surveillance requirements effectively.
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