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SG-192 Digital Stereo Generator

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SG-192 Digital Stereo Generator SG-192 DIGITAL STEREO GENERATOR TECHNICAL MANUAL 600 Industrial Drive, New Bern, North Carolina 28562 (tel 252-638-7000 / fax 252-637-1285 ) SG-192 DIGITAL STEREO GENERATOR TECHNICAL MANUAL Wheatstone Corporation September 2014 ORSIS ULTRA-HIGH RESOLUTION PROCESSING Wheatstone Digital Stereo Generator Technical Manual ©2014 Wheatstone Corporation 600 Industrial Drive New Bern, North Carolina 28562 tel 252-638-7000 / fax 252-637-1285 SG-192 / Sep 2014 Attention! Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful inter- ference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. This is a Class A product. In a domestic environment, this product may cause radio interference, in which case, the user may be required to take appropriate measures. This equipment must be installed and wired properly in order to assure compliance with FCC regulations. Caution! Any modifications not expressly approved in writing by Wheatstone could void the user's authority to operate this equipment. SG-192 / Sep 2014 READ ME! ORSIS ULTRA-HIGH RESOLUTION PROCESSING The History of Wheatstone Audio Processors Introduced in 2005, the Vorsis product line evolved from Wheatstone’s return to its original roots in audio processing. Having designed and integrated analog and then, later, complex digital audio processing into our radio and television consoles and control surfaces, Wheatstone was perfectly poised to address the challenges of combining very high audio quality with competitive on air loudness. Wheatstone audio processors are built to the same exacting standards as all Wheatstone products. Research and development, manufacturing, testing, and qual‑ ity control for the line of audio processors are all accomplished within Wheatstone’s large state‑of‑the‑art facility located in New Bern, North Carolina. Keeping everything under one roof allows Wheatstone to have control over every facet of production and ensures that our costumers receive products of the highest possible quality and reliability. Staying true to “Made in the USA,” Wheatstone does not utilize offshore manufacturing. A dozen experts with deep experience in Digital Signal Processing, broadcast audio and other engineering disciplines comprise our design team. Led by audio processing expert and broadcast engineering veteran Jeff Keith, the team combines their talents to design and build audio processors that achieve the highest standards of on ‑air sound quality. In its short history Wheatstone Processing has already invented many new and unique audio processing algorithms – algorithms that push audio processor perfor‑ mance to new and higher levels. Wheatstone was the first to develop an intelligent, “program density aware” AGC (2007 ‑ Sweet Spot Technology, or SST). We were also the first to employ the science of human psychoacoustics in the design of a mul‑ tiband limiter (2005, our acclaimed 31‑band limiter). In addition, our well‑regarded Bass Management systems solve the bass intermodulation problems that plague other brands of audio processors when pushed for competitive loudness. Each Wheatstone Processing product comes with its own Windows® software‑based intuitive Graphical User Interface for control of the processor. Carefully tuned factory presets ensure that our audio processors can be placed into use quickly and easily in any size market with a minimum of effort. SG-192 / Sep 2014 INTRODUCTION - 1 CONTENTS SG-192 Technical Manual Table of Contents Chapter 1 - General Information Introduction ....................................................................................1-2 SG-192 Feature Overview .............................................................1-3 Rack Mounting ...............................................................................1-3 SG-192 Installation Tips .............................................................................................1-5 Grounding ...............................................................................................................1-5 Surge Protection .....................................................................................................1-5 UPS/Power Conditioning ........................................................................................1-5 Analog Audio Input Connections ............................................................................1-5 Digital Audio/baseband192 Connections ................................................................1-6 Where to Install the SG-192 (And What to Install in Front of It) .................................1-6 AC Power Considerations ............................................................1-8 Rear Panel Connections ...............................................................1-9 Audio Inputs ................................................................................................................1-9 Analog In ................................................................................................................1-10 AES In ....................................................................................................................1-10 SCA In ....................................................................................................................1-10 GPS 10MHz Synchronization Input ...........................................................................1-10 GPS In ....................................................................................................................1-10 FM Audio Outputs ......................................................................................................1-11 AES/baseband192 Out ...........................................................................................1-11 TX Out ....................................................................................................................1-11 Headphone Monitoring ..............................................................................................1-11 Network Connection ..................................................................................................1-11 Ethernet RJ-45 .......................................................................................................1-11 Typical Straight-Through Cable ..............................................................................1-12 Typical Crossover Cable ........................................................................................1-12 General Purpose Interface (GPIO) ............................................................................1-13 GPIO RJ-45 ............................................................................................................1-14 Special Notes About SG-192 Presets .......................................................................1-14 SG-192 Input/Output Connections Drawing ..............................................................1-15 SG-192 / Sep 2014 page Contents – 1 CONTENTS Chapter 2 - SG-192 Front Panel Meters and Status ..........................................................................2-2 Status LEDs ................................................................................................................2-2 Input Level Meters ......................................................................................................2-2 Limiter Meters .............................................................................................................2-3 Output Meters .............................................................................................................2-3 OLED Display .................................................................................2-4 Headphone .................................................................................................................2-5 Presets .......................................................................................................................2-5 Input............................................................................................................................2-6 Input Source ............................................................................................................2-6 Input Gain Adjustment .............................................................................................2-6 Pre-Emphasis .............................................................................................................2-6 Output .........................................................................................................................2-7 Network ......................................................................................................................2-7 Changing The Network Settings .............................................................................2-8 Leading Zeroes ........................................................................................................2-8
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