Cypress DCT-9DN User manual

DCT-9DN
Universal Digital/Analog Audio Converter
with Dolby®Digital Decoder
Operation Manual
Operation Manual

DISCLAIMERS
The information in this manual has been carefully checked and
is believed to be accurate. Cypress Technology assumes no
responsibility for any infringements of patents or other rights of third
parties which may result from its use.
Cypress Technology assumes no responsibility for any inaccuracies
that may be contained in this document. Cypress also makes no
commitment to update or to keep current the information contained
in this document.
Cypress Technology reserves the right to make improvements to this
document and/or product at any time and without notice.
COPYRIGHT NOTICE
No part of this document may be reproduced, transmitted,
transcribed, stored in a retrieval system, or any of its part translated
into any language or computer le, in any form or by any means—
electronic, mechanical, magnetic, optical, chemical, manual, or
otherwise—without express written permission and consent from
Cypress Technology.
© Copyright 2011 by Cypress Technology.
All Rights Reserved.
Version 1.1 August 2011
TRADEMARK ACKNOWLEDGMENTS
All products or service names mentioned in this document may be
trademarks of the companies with which they are associated.
Manufactured under license from Dolby Laboratories. “Dolby” and
the double-D symbol are trademarks of Dolby Laboratories.

SAFETY PRECAUTIONS
Please read all instructions before attempting to unpack, install or
operate this equipment and before connecting the power supply.
Please keep the following in mind as you unpack and install this
equipment:
• Always follow basic safety precautions to reduce the risk of re,
electrical shock and injury to persons.
• To prevent re or shock hazard, do not expose the unit to rain,
moisture or install this product near water.
• Never spill liquid of any kind on or into this product.
• Never push an object of any kind into this product through any
openings or empty slots in the unit, as you may damage parts
inside the unit.
• Do not attach the power supply cabling to building surfaces.
• Use only the supplied power supply unit (PSU). Do not use the PSU
if it is damaged.
• Do not allow anything to rest on the power cabling or allow any
weight to be placed upon it or any person walk on it.
• To protect the unit from overheating, do not block any vents or
openings in the unit housing that provide ventilation and allow for
sufcient space for air to circulate around the unit.
REVISION HISTORY
VERSION NO. DATE DD/MM/YY SUMMARY OF CHANGE
VR0 26/08/13 Preliminary Release
VS1 11/11/13 Updated Text

CONTENTS
1. Introduction...........................................1
2. Applications..........................................1
3. Package Contents ...............................1
4. System Requirements...........................1
5. Features.................................................2
6. Operation Controls and Functions......3
6.1 Top Panel.........................................3
6.2 Right Panel.......................................3
6.3 Left Panel.........................................4
6.4 Rear Panel........................................4
7. Connection Diagram ...........................5
8. Specications .......................................6
8.1 Technical Specications ................6
8.2 Audio Specications.......................7
8.3 Audio Format Supports...................7
9. Acronyms..............................................8

1
1. INTRODUCTION
The Universal Digital/Analog Audio Converter with Dolby Digital
decoder is designed to convert audio between Optical, Coaxial
and analog audio formats. With the ability to convert digital signals
into analog and analog signals into digital, this device supports the
simultaneous conversion of audio formats allowing you to choose
between optical, coaxial or analog or all three at the same time. The
Universal Digital/Analog Audio Converter with Dolby Digital decoder
is the perfect choice when you need to deal with multiple audio
formats.
2. APPLICATIONS
• Analog audio to digital audio signal conversion (ADC)
• Digital audio to analog audio signal conversion (DAC)
• Simultaneous digital and analog audio output
• Downmixing of Dolby Digital signals
3. PACKAGE CONTENTS
• 1×Universal Digital/Analog Audio Converter with Dolby Digital
decoder
• 1×5V/1A Power Adaptor
• Operation Manual
4. SYSTEM REQUIREMENTS
Audio source equipment such as a CD/DVD Player with suitable
connection cable(s) and an AV receiver or similar device for audio
output.

2
5. FEATURES
• Dolby Digital decoder technology embedded
• Integrated digital interpolator lter and Digital-to-Analog Converter
(DAC)
• Integrated Analog–to-Digital Converter (ADC)
• Supports LPCM input sampling rates from 32 to 96 kHz
• Output sampling rates is adjusted to 48 kHz
• Supports Dolby Digital audio downmixing to 2CH audio
• Supports Dolby Digital sampling rate 48kHz
• Provides electromagnetic-noise-free transmission
• Easy to install and operate
• Compact and elegant design

3
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Top Panel
POWER L/R COAX OPTICAL
UNIVERSAL
Dolby DIGITAL / ANALOG
AUDIO CONVERTER
D
1 32 4 5
1POWER LED: The LED will illuminate blue when connected to power
and in red when switched off.
2Dolby Digital LED: The LED will illuminate when the the audio source
is Dolby Digital encoded.
3L/R IN LED: The LED will illuminate blue to indicate that the L/R input
is selected.
4COAX IN LED: The LED will illuminate blue to indicate that the
COAX input is selected.
5OPTICAL IN LED: The LED will illuminate blue to indicate that the
OPTICAL input is selected.
6.2 Right Panel
1 2 3
1OPTICAL IN: Connect to the OPTICAL output of the audio source.
2COAX IN: Connect to the COAX output of the audio source.
3L/R IN: Connect to the analog (L/R) output of the audio source
with a stereo RCA cable.

4
6.3 Left Panel
1 2 3
1L/R OUT: Connect to the analog (L/R) audio input of the audio
system such as a TV or amplier with a stereo RCA cable.
2COAX OUT: Connect to the audio system's coaxial input.
3OPTICAL OUT: Connect to the audio system's optical input.
6.4 Rear Panel
1 2 3
1DC 5V: Connect the 5V/1A DC power supply to the unit and plug
the adaptor to an AC wall outlet.
2INPUT SELECT: Selects the required audio source, either optical,
coaxial or L/R (Analog).
3POWER: Push the button to turn the unit on or off.

5
7. CONNECTION DIAGRAM
POWER L/R COAX OPTICAL
UNIVERSAL
Dolby DIGITAL / ANALOG
AUDIO CONVERTER
D
Power
Supply
DVD Player
Analog
Stereo
Output
Analog
Stereo
Input
Digital
Coaxial
Input
Digital
Coaxial
Output
Digital
Optical
Input
Digital
Optical
Output
Set-top Box
AV ReceiverTV AV Receiver
Blu-ray Player

6
8. SPECIFICATIONS
8.1 Technical Specications
Input Ports 1×Optical, 1×Coaxial, 1×Analog Stereo
(L/R)
Output Ports 1×Coaxial, 1×Optical, 1×Analog Stereo
(L/R)
Optical/Coaxial Input
Audio Formats LPCM 2CH & Dolby Digital
Audio Sampling Rates 32~96 kHz
L/R Input Impedance 47 KΩ
L/R Output Impedance 600 Ω
ESD Protection Human body model:
±10 kV (air-gap discharge)
±6 kV (contact discharge)
Power Supply 5V/1A DC (US/EU standard, CE/FCC/UL
certied)
Dimensions 97mm (W)×85mm (D)×35mm (H)
Weight 110g
Chassis Material Plastic
Color White
Operating Temperature 0 ºC~40 ºC / 32 ºF~104 ºF
Storage Temperature −20 ºC~60 ºC / −4 ºF~140 ºF
Relative Humidity 20~90% RH (non-condensing)
Power Consumption 2.1W

7
8.2 Audio Specications
OUT
IN OUTPUT OUTPUT
LEVEL T.H.D+N (A-WEIGHT) FREQUENCY RESPONSE SNR CROSS- TALK
Optical
0dBFS
Optical 0~1 dBFS <0.01% ±1dBFS >80 dB <−85 dB
Coaxial 0~1 dBFS <0.01% ±1dBFS >80 dB <−85 dB
Line-Out 2Vrms±0.1 <0.01% ±1dB >80 dB <−80 dB
Coaxial
0dBFS
Optical 0~1 dBFS <0.01% ±1dBFS >80 dB <−85 dB
Coaxial 0~1 dBFS <0.01% ±1dBFS >80 dB <−85 dB
Line-Out 2Vrms±0.1 <0.01% ±1 dB >80 dB <−80 dB
Line
2Vrms
Optical 0~1 dBFS <0.01% ±1 dB >80 dB <−80 dB
Coaxial 0~1 dBFS <0.01% ±1 dB >80 dB <−80 dB
Line-Out 2Vrms±0.1 <0.01% ±1 dB >80 dB <−80 dB
8.3 Audio Format Supports
AUDIO
INPUT INPUT FORMAT
AUDIO OUTPUT
ANALOG L/R COAXIAL OPTICAL
Analog L/R Analog 2CH Analog 2CH LPCM 2CH
COAXIAL LPCM 2CH Analog 2CH LPCM 2CH
OPTICAL Dolby Digital Decoding L/R Bitstream Pass-through

8
9. ACRONYMS
ACRONYM COMPLETE TERM
ΩOhm
ADC Analog to Digital Convertor
COAX Coaxial
DAC Digital to Analog Convertor
LPCM Linear Pulse Code Modulation

Home page: http://www.cypress.com.tw
CYPRESS TECHNOLOGY CO., LTD
MPM-DCT9DN