Grass Valley Maestro Master Control v.1.7 - Manual (Page 28)

24 Maestro — Channel Branding User Guide
Section 1 — Channel Branding Overview
System Features
The key features of the Channel Branding are as follows:
• Play four (4), 30-second, simultaneous Audio clips.
• Play four (4) simultaneous still images or CG text sources. These items
may have associated audio which will also playback through the com-
bined assignment and use of an Audio Mixer.
• Play two (2) simultaneous animation sequences or text crawls sources.
These items may have associated audio which will also playback
through the combined assignment and use of an Audio Mixer.
• Uses Windows-based Branding Element Visual Tool to:
• Process still images that do not include an alpha or key channel
• Edit or create a still image alpha or key channel
• Create and format text crawls templates
• Create CG text templates
• Build character generator fonts
• Review animation sequences
• Review audio voice over clips
Hardware Implementation
The Channel Branding hardware is implemented on the Maestro frame
processor board. Channel Branding hardware consists of three mezzanine
or “daughter” boards, an audio clip cache, and space for up to four (4) hard
disk drives. All of which is attached to the Maestro frame processor board.
Audio Clip Cache
The Audio Clip cache is 256-Mbytes of RAM that is located on the Maestro
frame processor board. This RAM is used for audio voice-over playback
buffering and other audio processing activities such as delay. The RAM is
allocated to support four (4) audio sources using 48-KHz sampling with 16-
bits per sample (CD quality) supporting up to 16-channels and a maximum
length of 30-seconds per source.
Branding DSP Engine
The Branding DSP engine is a small-format processing board or module,
which provides support for the retrieval and the displaying of still images.