Media Server 25.3
Media Server Help

# Encoding Profiles

The following encoding profiles are supplied with Media Server for use with the MPEG and Rolling Buffer encoders.

## Video Profiles

The following profiles are MPEG4 profiles that use the H264 codec for encoding video. These are suitable for playback over the web, for example if your users view video using the MMAP Media Player or the native player of a web browser that supports H264.

Name | Codec | Variable Bitrate (kbps min-max) | Resolution | Display size | Notes
--- | --- | --- | --- | --- | ---
mpeg4video_h264_nvenc_hd | H264 | 3000-8000 | 1920x1080 | 1920x1080 | High-quality, high-definition, with GPU acceleration enabled.
mpeg4video_h264_hd | H264 | 3000-8000 | 1920x1080 | 1920x1080 | High-quality, high-definition.
mpeg4video_h264_720p | H264 | 800-3000 | 1280x720 | 1280x720 | High-quality 1280x720.
mpeg4video_h264_360p | H264 | 100-800 | 640x360 | 640x360 | High-quality 640x360.
mpeg4video_h264_sd | H264 | 800-3000 | 1024x576 | 1024x576 | Use to encode video from a standard definition broadcast source that had non-square pixels.

The following profiles use the MPEG2 codec. OpenText recommends using the MPEG4 profiles (above) in most cases, but you can use these profiles if you need to support a media player that cannot decode H264.

Name | Codec | Variable Bitrate (kbps min-max) | Resolution | Display size | Notes
--- | --- | --- | --- | --- | ---
mpeg2video | MPEG2 | 1000-8000 | 720x576 | 720x576 | Standard 4:3 MPEG2 video.
mpeg2video_broadcast | MPEG2 | 5000-13000 | 720x576 | 1024x576 | Encodes with non-square pixels (the display size is not the same as the resolution), 16:9 aspect ratio, similar to DVB broadcast quality.

## Audio Profiles

Name | Codec | Bitrate (kbps) | Sample rate (kHz) | Channels | Notes
--- | --- | --- | --- | --- | ---
mpeg4audio | MPEG4 AAC | 128 | 48 | 2 | Use with MPEG4 video profiles.
mpeg2audio | MPEG2 Audio | 192 | 48 | 2 | Use with MPEG2 video profiles.

Copyright 2025 Open Text
Version 25.3 | Last updated July 2025

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Product: Knowledge Discovery Media Server 25.3

Topic Title: Encoding Profiles