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Pacific Microsonics HDCD Model Two User Manual

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Model Two
HDCD
®
A/D Converter
D/A Converter
Digital Processor
User’s Manual
Version 3.01
PN 9300-0020 Rev. C
Euphonix, Inc.
220 Portage Avenue, Palo Alto, CA 94306
Phone (650) 855-0400 Fax (650) 855-0410
®

Table of Contents

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Pacific Microsonics HDCD Model Two Specifications

General IconGeneral
BrandPacific Microsonics
ModelHDCD Model Two
CategoryProcessor
LanguageEnglish

Summary

Overview

Installation

Initial Configuration

Instructions for initial setup before connecting AC power.

Power Up and Analog Polarity Settings

Procedures for powering on the unit and setting analog pin polarity.

Setting Analog Input Attenuation

Adjusting analog input attenuation using jumpers for signal level.

Analog and Digital Connections

Details on analog and digital signal connections and output networks.

AES Signal Ground Isolators

Isolators to break ground loops for digital/analog signal cables.

Model Two Processor Description

Overview of the processor's physical enclosure and internal subsystems.

Processor Rear Panel I/O and Analog Input Attenuator

Diagram and description of rear panel connectors and input attenuator.

Model Two Power Supply Description

Details on the power supply unit's enclosure and rear panel connections.

Setup & Operation

Model Two Rev. 3.01 Software Features

Overview of new features in software version 3.01.

Front Panel Controls and Displays

Identification and description of front panel controls and indicators.

Signal Level Meter Description

Explanation of the two-channel, four-color LED bar graph meters.

Meter Configuration Options

Settings for meter source, display mode, and peak level hold.

Meter Indicators and Setup

Details on meter segments, peak indicators, reset, and general setup.

Monitoring and Power Switch Operation

How to monitor signals and operate the power switch.

Graphic Display and Menu Navigation

Description of the display and controls for navigating menus.

System Status, Clock, and HDCD Indicators

Explanation of status, clock, and HDCD indicator LEDs.

Operating Modes Overview

Overview of the thirteen operating modes based on sample rates.

AD_44.1, DD44-44, AD+DD44, AD_88.2 Modes

Details on AD_44.1, DD44-44, AD+DD44, and AD_88.2 operating modes.

DD88-44, DD44-88, DD88-88 Modes

Details on DD88-44, DD44-88, and DD88-88 operating modes.

AD176.4, DD176.4, DD176-88, DD176-44 Modes

Details on AD176.4, DD176.4, DD176-88, and DD176-44 operating modes.

DD88-176, DD44-176 Modes

Details on DD88-176 and DD44-176 operating modes.

Preset Functions

Storing and recalling system setup parameters in labeled presets.

Factory Preset Configurations

Values stored in the factory configured presets.

Master Word Clock Generator Setup

Configuring the Model Two to act as a master word clock generator.

Multichannel Slave Operation and Analog Recording

Setting up slave units and converting analog tape recordings.

44.1/48 and 88.2/96 kHz A/D Conversion Setup

Step-by-step guides for 44.1/48 kHz and 88.2/96 kHz A/D conversion.

176.4/192 kHz A/D Conversion and AD+DD Processing

Setup for 176.4/192 kHz A/D conversion and AD+DD processing.

Digital Post Production Processing

Capabilities for converting signal word lengths and filtering.

Interpolation & Word Length Conversion Setup

Setup for converting 44.1/48 kHz to 88.2/96 kHz signals.

Decimation & Word Length Conversion Setup

Setup for converting 176.4/192 kHz to 44.1/48 kHz signals.

DAC-Monitoring System Optimization

Advanced DAC optimization for fidelity with monitoring electronics.

CD Mastering and HDCD Silence

Producing CD masters and providing HDCD Silence for playback.

Processing HDCD 16-bit Signals

Rules for processing HDCD 16-bit signals without losing LSB code.

A/D Conversion of Analog Tape Recordings

Steps for high-quality conversion of analog tape to digital masters.

Creating the 16-bit HDCD Release Sound

Using HDCD options for optimal 16-bit HDCD encoded masters.

HDCD 16-bit Encoding and Dither Options

Details on amplitude encoding and dither options for HDCD.

DSP Gain and Low Level Extension

Adjusting digital gain and enhancing low-level signal detail.

HDCD 16-bit Dithers

Dither options to optimize perceived timbral and spatial accuracy.

Limited Dynamic Range Recording Techniques

Methods for recording compressed, limited dynamic range material.

Wide Dynamic Range Recording Techniques

Techniques for recording material with infrequent, short duration peaks.

Reference

Menu Structure

Explanation of the menu structure and navigation via buttons.

Menu Tree Diagram

Visual representation of the Model Two's menu hierarchy.

Menu Descriptions

Explanation of menu selections and function button operations.

Operating Menu Details

The top-level menu from which all other menus are accessed.

Second Operating Menu Details

Menu for frequently used HDCD 16-bit encode and monitor controls.

Monitor Source Menu

Selecting the source for meter display and monitoring.

Levels Menu Overview

Adjusting analog input, digital signal, and monitor output levels.

Levels Menu Examples

Examples of how the Levels Menu appears in different modes.

Setup Menu Navigation

Main menu for accessing system configuration options.

44.1/48 Base Sample Rate Menu

Selecting the base sample rate (44.1 kHz or 48 kHz).

Operating Mode 1X, 2X, 4X Menus

Menus for selecting operating modes at 1X, 2X, and 4X sample rates.

Digital Output Menu Navigation

Menu for configuring digital output settings.

Output 1 Word Length and Dither Menus

Setting word length and dither types for Digital Output 1.

Output 2 Word Length and Dither Menus

Setting word length and dither types for Digital Output 2.

Output Word Length Menu (2X/4X Modes)

Setting digital output word length for 2X or 4X modes.

Output Phase Invert and HDCD Setup Menus

Configuring phase inversion and HDCD features for digital outputs.

Digital Output Format Menu

Selecting digital output format (1-Wire or 2-Wire AES).

Analog Input Menu and Clock Settings

Configuring analog input settings and clock sources.

A/D Reference Clock Menu

Selecting the clock source for A/D conversion (Internal, AES, Word Clock).

A/D Filter Mode and Monitor Input Menus

Selecting A/D filters and configuring monitor input HDCD code detection.

Monitor Reference Clock Menu

Selecting D/A converter clock source for monitoring digital input.

External Ref Clock Frequency and Monitor Input Format

Setting external clock frequency and monitoring digital input format.

Digital Input Menu and HDCD Code Detect

Configuring digital input settings and HDCD code detection.

Digital Input Decoding and Filter Mode Menus

Enabling HDCD decoding, gain scaling, and selecting 2X to 1X filter modes.

Digital Input Clock and Format Menus

Selecting digital input clock source and format.

Recall Presets Menu

Stored presets for recalling system configurations.

System Menu Navigation

Accessing System, Monitor Setup, Meter Setup, and Store Presets menus.

Front Panel Display Menu

Adjusting contrast, brightness, and meter brightness.

Analog Polarity Menu

Setting XLR connector pin polarity for analog I/O.

DAC-System Optimize Menu

Adjusting DAC dither levels for optimal performance.

Monitor and Meter Setup Menus

Configuring monitor settings and meter setup options.

Meter Overload Light Menus

Configuring threshold and hold for meter overload lights.

Store Presets Menu

Saving, renaming, and clearing user presets.

Rename Preset and Test Functions Menus

Renaming presets and accessing system test functions.

Software Version and System Download

Checking software version and downloading system updates.

Download Procedure

Step-by-step guide for downloading system software from a PC.

Self-Test Procedure

How the Model Two enters self-test mode during power-up.

HDCD Overview and 16-bit Encoding

Explanation of HDCD process and analog to 16-bit HDCD signal encoding.

16-bit Decoding and HDCD Indicator

How HDCD signals are decoded and the function of the HDCD indicator.

Peak Extension and HDCD Limiting

Soft peak limiter for headroom and dynamic range expansion.

Low Level Extension and Gain Scaling

Enhancing low-level detail and adjusting playback levels.

Processing HDCD Signals and HDCD Silence

Rules for processing signals and generating HDCD Silence.

Technical Specifications

Detailed technical specifications for analog and digital interfaces.

User Set-Up and Operating Interface

Description of the display, encoder, and switches for configuration.

Signal Level Meter Specifications

Detailed specifications for the two-channel LED bar graph meters.

HDCD Processing and Power Requirements

Overview of HDCD processing and AC power specifications.

Dimensions and Weight

Physical dimensions and weight of the unit and power supply.

Appendix

Supplementary information, including PC communication setup.

PC Communication Setup (Windows)

Instructions for setting up PC communication in Windows.

File Transfer from PC

Steps for initiating software transfer from a PC.