Operation Manual

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The Advanced MPEG Audio Settings, provide you with several Audio Formats, Audio Types,
Audio Encoders, and Bitrates from which to choose. These choices include several options as to
audio sampling, and whether the audio is to be encoded monophonically (mono) or stereo.
The Audio Type setting is only related to AAC Encoding. If you select AMR in the Encoder field,
this setting is not used. The Audio Type field provides you with a drop-down box, which includes
two choices, as follows:
Main – This format is the same as LC (above), but adds backward prediction.
Low Complexity (LC) – The simplest and most widely used and support AAC audio format.
NOTE: Depending on the player on which the resulting stream will be heard, either choice will use a
specific set of tools to encode the audio stream. You should make your choice based on the
requirement of the playback software or device. The most widely supported format is LC profile.