Apple Compressor (4.0) - Manual (Page 116)

Chapter 5 Custom settings and output formats 116
Default audio tab settings
These are the default audio settings for MPEG-4 Part 2 output media files:
•
Audio Enabled: Selected
•
Channels: Stereo
•
Sample Rate: 44.100 kHz
•
Quality: High
•
Bit Rate: 128 kbps
Streaming tab settings
These are the default streaming settings for MPEG-4 Part 2 output media files:
•
Streaming hints enabled: Selected
•
Packet Maximum Size: 1,450 bytes
•
Packet Maximum Duration: 100 milliseconds
If these settings are acceptable to you, there is nothing further that you need to do, and you can
begin transcoding source media files immediately.
Create MPEG-4 Part 2 settings
If you want to customize your MPEG-4 Part 2 file format settings, follow the instructions below.
Stage 1: Open the MPEG-4 Encoder pane and adjust video settings
The Video tab allows you to make settings for the quality (ISMA profile), frames rate (fps), key
frame interval, and bit rate of your MPEG-4 Part 2 output file.