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# Table of features

## Overview

The following table lists the univeral features.

|Brand       |Code  |Description                                                                                          |Profile Parent      |
|------------|------|-----------------------------------------------------------------------------------------------------|--------------------|
|`0x20202020`|`mvbr`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Maximum_video_bit_rate>                    |Movie or Video Track|
|`0x20202020`|`avvb`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Average_video_bit_rate>                    |Movie or Video Track|
|`0x20202020`|`mabr`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Maximum_audio_bit_rate>                    |Movie or Track      |
|`0x20202020`|`avab`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Average_audio_bit_rate>                    |Movie or Sound Track|
|`0x20202020`|`vfmt`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/QuickTime_video_codec_type>                |Movie or Video Track|
|`0x20202020`|`afmt`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/QuickTime_audio_codec_type>                |Movie or Video Track|
|`0x20202020`|`m4vp`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/MPEG-4_video_profile>                      |Movie or Video Track|
|`0x20202020`|`mp4v`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/MPEG-4_video_codec>                        |Movie or Video Track|
|`0x20202020`|`m4vo`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/MPEG-4_video_object_type>                  |Movie or Video Track|
|`0x20202020`|`mp4a`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/MPEG-4_audio_codec>                        |Movie or Sound Track|
|`0x20202020`|`mvsz`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Maximum_video_size_in_a_movie>             |Movie               |
|`0x20202020`|`tvsz`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Maximum_video_size_in_a_track>             |Movie or Video Track|
|`0x20202020`|`vfps`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Maximum_video_frame_rate_in_a_single_track>|Movie or Video Track|
|`0x20202020`|`tafr`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Average_video_frame_rate_in_a_single_track>|Movie or Video Track|
|`0x20202020`|`vvfp`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Video_variable_frame_rate_indication>      |Movie or Video Track|
|`0x20202020`|`ausr`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Audio_sample_rate_for_a_sample_entry>      |Movie or Sound Track|
|`0x20202020`|`avbr`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Audio_variable_bit_rate_indication>        |Movie or Sound Track|
|`0x20202020`|`achc`|<doc://com.apple.qtff/documentation/QuickTime-File-Format/Audio_channel_count>                       |Movie or Sound Track|

---

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