Page Comparison

Preset

Displays list of preset configured profiles.
Default: Custom

Name

Enter a unique name for the profile.

Encoding Profile

For H.264:
High / Main / Baseline

Default: Main

For AAC:

AAC Low Complexity / AAC High Complexity 1 / AAC High Complexity 2

Default: AAC Low Complexity

Resolution

The new resolution, if resizing the video.

Frames per Second

Select a new frame rate, or select Original to use the original frame rate of the stream.

Default: Original

Bitrate Mode

Specifies the bitrate mode for the profile. Either the transcoder will strive for the optimum in VBR (Variable Bitrate) or the most constant in CBR (Constant Bitrate). 
Default: CBR

Average Bitrate (kbps)

Specifies the average bitrate for the profile.

Max Bitrate (kbps)

Specifies the maximum bitrate for the profile.

Performance

the performance of the transcoding will span between Fastest and the Best Quality with Balance in the middle.
Default: 9 (Balanced)

GOP [frames]

Specifies the number of frames in a GOP (Group of Pictures). Default:60

B-Frames

Specifies the maximal number of consecutive B frames in the GOP. Default:0

Frame Type

Specifies the frame type – progressive or interlaced.

Default: Progressive

Reference Frames

Specifies the number of frames that can be referenced for each frame.

Default: 2