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Page 70 MAXX-2400HD Owner’s Manual
Using Embedded Audio
The MAXX-2400HD provides 8-channel embedded audio capability. Features include:
• Synchronous 20-bit audio at a 48K sample rate. Non-genlocked audio and other sampling rates
are not supported.
• The server records and plays Group 1 and 2 audio, (channels 1-8). Up to 16 channels of audio
may be present in some HD-SDI streams.
• In E-E mode, all embedded audio channels will pass through the server unaltered.
• The user can select an audio source from the embedded audio, from the optional AXP-3 and
AXP-4 multi-channel analog audio modules, or from the optional DXP-1 multi-channel
AES/EBU digital audio module. Mix-and-match among inputs is not supported.
• Regardless of the source recorded, embedded audio is always inserted in the HD-SDI stream
on playback, even when the primary audio output will be analog or AES/EBU audio.
• 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.