360 Systems 1200HD-EX - Manual (Page 70)

MAXX-1200 Owner’s Manual Page 69
Using Embedded Audio
The MAXX-1200 provides eight-channel embedded audio capability. Key features include:
• Synchronous 20-bit audio at a 48K sample rate. Non-synchronous audio and other sampling
rates are not supported.
• While up to 16 channels of audio may be present in an HD-SDI stream (arranged in four groups of
four channels), the server records and plays back only Group 1 and 2 (channels 1-8).
• In E-E mode, all embedded audio will pass through the server unaltered.
• The user can select audio to record from the embedded audio stream, or from the two analog
audio inputs on the server, or 8 AES/EBU audio channels on the optional external DXP-2 module.
Mix-and-match among inputs is not supported.
• Embedded audio is always included in the HD-SDI stream on playback, and will also appear on
the two rear panel analog audio outputs.
• User bits in the HD-SDI embedded audio stream are not supported.
• 20 bit Dolby® E is supported with 360 Systems’ Bit-for-Bit® technology.
Using Audio Sample Rate Conversion
A check-box is provided to engage built-in sample rate converters for incoming AES/EBU audio
tracks, which are then converted to a 48K broadcast standard synchronized by video genlock.
Sample Rate Conversion does not apply to analog or Embedded audio.
The sample rate converters should be used in any of these cases:
1. The incoming digital audio and video are not referenced to genlock.
2. The sync reference is set to INTERNAL.
3. The incoming digital audio is not at a 48 KHz sample rate.