®
INC.
PACIFIC MICROSONICS
29
Setup & Operation
Model Two HDCD
®
User’s Manual
Rev. C - January 2002
For 176.4 kHz or 192 kHz A/D conversion:
1. Connect an analog signal source to the channel 1 and 2 analog inputs.
2. From the Operating Menu, select (SETUP/MODE/44.1_X or 48_X)
3. Connect AES Out 1 and 2 to double speed AES inputs 1 and 2 of a 176.4/192 kHz
digital audio recorder or DAW.
4. Connect the double speed AES 1 and 2 output of the digital audio recorder or DAW
to AES In 1 and 2.
5. From the Operating Menu, select (SETUP/PRESETS) and select preset AD4X-24.
6. Or, from the Operating Menu, select (SETUP/MODE/MORE.../MORE.../MORE.../
AD_176.4 or 192).
6. From the Operating Menu, select (SETUP/OUTPUT/OUT_1), then select the digital
output word length. HDCD_24 is selected by preset AD1X-24.
7. From the Operating Menu, select (SETUP/INPUT/HDCDBIT), then select the monitor
input HDCD code detect word length to match the digital output word length.
Once the Model Two is set up for A/D conversion, other parameters such as Reference Clock
(SETUP/INPUT/REFCLK), Digital Output Word Length (SETUP/OUTPUT/OUT_1 or OUT_2),
Peak Extend, etc. can be changed as desired. For more information refer to pages 47
through 55 in the Reference section.
For more detailed A/D operating techniques, see “A/D Conversion of Analog Tape Record-
ings” on page 34.
Setup for 44.1/48 kHz A to D Conversion With Simultaneous D to D Processing
In AD+DD44 or DD+AD48 Modes, the Model Two converts analog signals to HDCD 44.1/48
kHz, 24-bit or 20-bit signals, and can simultaneously convert 44.1/48 kHz, 24-bit or 20-
bit digital signals, with digital signal level control, to HDCD 16-bit signals. AD+DD44/48
mode thus allows cascading 24-bit or 20-bit HDCD A/D conversion with 24-bit or 20-bit
digital processing and conversion to a 16-bit HDCD signal, in real time for Compact Disc
release mastering.
Setup for AD+DD44 or AD+DD48 mode:
1. Connect an analog signal source to the channel 1 and 2 analog inputs.
2. From the Operating Menu, select (SETUP/MODE/44.1_X or 48_X)
3. Connect AES Out 2 to a 20 or 24-bit DAW or digital processor.
4. Connect the 20 or 24-bit output of the DAW or processor to AES In 2.
5. Connect AES Out 1 to a 16-bit master recorder. The master recorder’s 16-bit output
may be connected to AES In 1 for confidence monitoring.
6. From the Operating Menu, select (SETUP/PRESETS) and select preset AD+DD1X.
7. Or, from the Operating Menu, select (SETUP/MODE/MORE.../AD+DD44 or AD+DD48).
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