Day Sequerra M2DDM
Aug 2, 2010 12:00 PM, By Erin Shipps, associate editor
Diversity delay monitor
The M2DDM is available in two versions: a single station-single version with built-in digital audio delay; and a multi-station model providing the capability to monitor and time-align up to 100 AM/FM stations. The TimeLock algorithm in the M2DDM measures the main channel MPS analog and HD-1 digital audio time diversity and generates a continuous stream of correction vectors. These correction vectors can be processed internally to synchronize the program audio or can be sent via Ethernet to an HD Radio Embedded Exporter. The M2DDM has digital audio outputs for confidence monitoring and provides alarm outputs for loss of program audio, OFDM sidebands, HD Radio data and RBDS data payloads.
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