Grass Valley Imagestore 750 v.3.0.1 - Manual (Page 121)

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Advanced Audio
Chapter 6 describes the advanced audio features of the Imagestore 750.
Topics
Dolby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 105
Up-Mix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 133
Audio Description (AD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 140
Silence Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 143
Audio Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 146
Dolby
This section presents the Imagestore 750’s Dolby processing options:
• Integral decoding of Dolby E.
1
• Integral encoding of Dolby E or Dolby Digital (AC-3).
Introduction
The Dolby audio modules provide the following features:
• Dolby encoders and decoders.
• Dolby input from SDI video with embedded audio or AES.
• Metadata handling.
• Metadata RS-485 serial ports.
• Audio input status monitoring.
• Integral video delays.
• Integration in the 1RU chassis.
• Control with Oxtel automation command extensions.
• ‘Audio Graph’ page in the Imagestore 750 Configurator. (See Chapter 8)
 Note: The Imagestore 750 can accommodate a total of 4 Dolby decode, Dolby encode and
up-mix modules.
1. Decoding of Dolby Digital (AC-3) is also supported, but not recommended.