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The Transcoding Profiles screen displays all existing transcoding profiles and details about their configuration. When a profile is selected, the details of that profile are shown on the bottom right side of the screen.

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The main display includes the following data for each Transcoding Profile:

Parameter

Description

Name

The name of the transcoding profile as configured in ZEN Master.

Video

The main video transcoding settings:

  • Resolution
  • Bitrate
Video Codec

The video codec setting selected in the profile. Options include:

  • H.264
  • H.265
  • MPEG2

Audio

The main audio transcoding settings:

  • Bitrate
Audio Codec

The audio codec setting selected in the profile. Options include:

  • AAC
  • Dolby Digital Plus
  • MPGA (MPEG-1 layer2)

When you select a transcoding profile the details of the selected profile are shown on the right side of the screen.

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The Details pane includes the following data for the selected profile:

Av transcoding settings.

For profiles that include audio transcoding, the following parameters are shown.

  • Audio Profile
  • Audio Bitrate 
    • Audio Sampling

    Parameter

    Description

    Name

    The name of the transcoding profile.

    Video CodecThe video codec that is used, e.g. H.264/AVC or H.265/HEVC.

    Encoding profile

    The encoding configuration type, options are:

    • Main
    • Baseline
    • High

    Resolution

    The video resolution settings.

    FPS

    The frame rate. Frames per second.

    GOP

    The number of frames in a GOP (Group of Pictures)

    Closed GOP

    Indicates whether or not the GOP is closed (i.e don't receive data from the subsequent GOP for bidirectional coding).

    Fixed GOP

    Indicates whether or not the GOP is fixed (i.e. whether the GOP always contains the specified number of frames).

    .

    VBRIndicated whether or not Variable Bitrate was enabled.

    Avg. Video Bitrate

    The Average bitrate for the profile.

    Max. Video Bitrate

    The Maximum bitrate for the profile.

    Performance

    The performance of the transcoding ranging from 1 (FastestSuper Fast) to the 7 (Best Quality), with 4 (Balanced) in the middle8 (Very Slow).

    B Frames

    The maximal number of consecutive B frames in the GOP.

    InterlacedIndicates whether or not Interlaced video was enabled.

    Reference Frames

    The number of frames that can be referenced for each frame.

    HRD Buffer

    The length of the HRD buffer in MPEG-2.

    Chroma Subsampling

    The Chroma Subsampling conversion setting that was selected:

    • As Source
    • 4:4:4
    • 4:2:2
    • 4:2:0
    Audio Codec

    The audio

    codec that was selected: 

    • AAC
    • Dolby Digital Plus
    • MPGA (MPEG-1 layer 2)
    Audio Profile

    The audio profile that was selected:

    • AAC Low Complexity
    • AAC High Efficiency
    • AAC High Efficiency v2
    Audio Sampling Rate

    The audio sampling rate that was selected:

    • Original
    • 44.1 kHz
    • 48 kHz
    Audio Gain

    The audio gain setting that was selected. The audio gain increases/decreases the volume of an audio PID encoded using this profile.

    • Values between 0-1 means to decrease volume. 
    • Values > 1 means to increase volume.
    • 0 - (if allowed in that screen) means mute
    • 1 - no change



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