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Dolby E Multichannel Distribution System User Manual | DP571 Dolby E Encoder |
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3.1.7Main Out
The encoded Dolby E bitstream is output from the
Note: The two Main outputs are electrically separate, not passive
3.1.8PCM Delay Out
Encoding delay is added to the PCM signal transmitted from the PCM Delay Out connector. The DSP subsystem calculates the delay equivalent to the main channel latency and applies it to the PCM Delay Out.
3.1.9Status
General Purpose Input/Output (GPI/O) signals for the DP571 are available from the Status port, a female
Table
Pin | Connection | Explanation | |
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1 | Preset Tally A | Preset tally output | |
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2 | Reference Video Valid | 1: Valid; | 0: Ref video error |
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3 | Dolby E Encoding Valid | 1: Valid; | 0: Encoding error |
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4 | System Operational | 1: Functional; | 0: Failed |
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5 | Fault | 1: Functional; | 0: Hardware fault |
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6 | Preset Tally B | Preset tally output | |
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7 | Preset Ctrl A | Preset control input | |
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8 | Preset Ctrl B | Preset control input | |
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9 | Ground |
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Using the Status Port to Select Presets
The two inputs on pins 7 and 8 select among the first three (of eight) presets stored in the DP571. The inputs are normally high (internal