Review evidence

You can review videos, audio recordings, images, and documents directly in Axon Evidence using the built-in media player. The player lets you watch, listen, or examine files without downloading them, giving you complete control over how you view and analyze digital evidence.

Use playback tools to play, pause, adjust speed, or jump to key moments. Access to review tools depends on your assigned role and permissions. Some options may not be available to every user.

Use the media player

This article describes the actions available on the evidence details page for video and audio evidence files supported by the Axon Evidence media player.

Media player controls

The Axon Evidence media player enables you to play audio and video evidence files that are in supported file types.

The following figure shows the media player controls that appear when the player is paused. Additionally, in the figure, the sound is not muted.

Figure 1 - Control bar of Video Player

Figure 2 - Control bar of Audio Player

Media player actions

The following table provides steps for the actions you can take with the media player.

Action	Steps
Play	Select the Play button.
Play faster or slower	Select the Playback speed button. Speed options range from 0.25x to 4x. 1x is normal speed.
View thumbnails	Hover your mouse over the scrub bar, above the time for which you want to see a thumbnail. A thumbnail image for the time appears.
Jump ahead or back	On the scrub bar, select and hold the scrub handle and drag it to the time in the media file that you want to go to.
Pause	Select the Play button .
View frame by frame	Select the Previous frame or Next frame button to move frame by frame.
View full screen	To enter full-screen viewing mode, select the Fullscreen button To exit full-screen mode, select the Exit fullscreen button .
Rotate screen	Select the rotate left or rotate right button to change the screen orientation.
Change video quality	Select the video quality button and choose the desired quality. Select the Settings button, select Quality, and then choose the desired quality.
Mute, unmute, or control volume	To mute audio, select the mute button . To unmute, select the unmute button . To adjust volume, drag the audio slider left (quieter) or right (louder) as needed.

Keyboard Shortcuts

Category	Feature	Keyboard Shortcut
Playback Control	Play/Pause	Space Bar
Playback Control	Rewind 5 Seconds	Left Arrow
Playback Control	Fast Forward 5 Seconds	Right Arrow
Playback Control	Next Frame	D
Playback Control	Previous Frame	A
Playback Control	1x Speed	1
Playback Control	2x Speed	2
Playback Control	4x Speed	4
Playback Control	Start Video Over	Home (MacOS Cmd+Left Arrow)
Playback Control	Exit Full Screen	Esc
Marker	Add a Marker	Ctrl+M (MacOS Cmd+M)
Clip	Add a Clip	Ctrl+U (MacOS Cmd+U)

Filters

You can use filters on player controls to adjust the brightness or contrast to support your investigation and review while watching a video.

Playback settings

Playback settings on player controls support the evidence reviewing process by rotating video, displaying overlays based on metadata, and switching video quality. Select the chevron to view more options.

Zoom controls

A useful feature for reviewing evidence is the ability to zoom in and out on a video to focus on specific areas of interest, such as clues, suspect actions, people, or objects. Select the Zoom button to open the Zoom slider and adjust it as needed.

Playback speed

Playback speed supports the review process by allowing you to slow down the video to carefully analyze it or speed it up to view a longer video more quickly. Choose from playback speeds: 0.25x, 0.5x, 0.75x, 1x (Normal), 1.25x, 1.5x, 1.75x. 2x, and 4x.

Thumbnail preview

The media player supports loading preview thumbnails for individual shots or scenes in a video. These thumbnails are displayed underneath the scrubbing bar when you hover over it.

Multiple audio streams

Multiple audio streams help support Fleet 3 and Axon Body 4 in cases where multiple audio streams are associated with a single video. You can select the desired audio stream from the player controls.

System requirements for video playback

Supported browsers:

• Latest version of Chrome or version 60+
• Latest version of Firefox or version 60+
• Latest version of Microsoft Edge or version 79+
• Latest version of Safari or version 11+

Minimum hardware requirements:

• CPU: Intel Core i5 (AMD/ARM equivalent) or above
• RAM: At least 8GB or more
• Display: HD resolution or better

Axon recommends a dedicated graphics processor card for the best visual performance. Suggested specifications include:

• DirectX 12/Vulkan support
• 2GB vRAM or above
• GeForce GT 1030 or above

Recommendation for internet speed

You can view videos in quality ranging from 240p to 2K in Axon Evidence. The following table shows the minimum speeds required for each playback quality.

Video Quality	Required Minimum Bandwidth
240p	500 kbps
360p	1 Mbps
720p	3 Mbps
1080p	7 Mbps
2K	12 Mbps

Hardware acceleration in your browser

Hardware acceleration increases the performance of the web browser. When enabled, some users may experience issues such as:

• Compatibility issues with hardware or software, especially on sites with streaming or full-screen videos
• Fonts not displaying correctly, causing blurry text
• Random browser crashes
• Videos flickering or becoming practically unwatchable

If these issues affect the video playback experience, check the hardware acceleration configuration in the Browser Settings to ensure better video playback performance.

Example in Google Chrome

1. Open Settings.
2. Enter hardware acceleration in the search bar at the top of the page.
3. Turn on Use hardware acceleration when available.
4. Restart your browser to save the new setting.