CYP AU-D1 User manual

AU-D1
Optical to L/R Stereo Audio Converter
OPERATION MANUAL

DISCLAIMERS
The information in this manual has been carefully checked and is
believed to be accurate. CYP (UK) Ltd assumes no responsibility for any
infringements of patents or other rights of third parties which may result
from its use.
CYP (UK) Ltd assumes no responsibility for any inaccuracies that may be
contained in this document. CYP (UK) Ltd also makes no commitment to
update or to keep current the information contained in this document.
CYP (UK) Ltd 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 CYP (UK) Ltd.
© Copyright 2011 by CYP (UK) Ltd.
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.

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
sucient space for air to circulate around the unit.
REVISION HISTORY
VERSION NO. DATE SUMMARY OF CHANGE
v1.00 03/04/13 First release

CONTENTS
1. Introduction ...........................................6
2. Applications ...........................................6
3. Package Contents ..................................6
4. System Requirements ...........................6
5. Features ..................................................7
6. Operation Controls and Functions .......8
6.1 Front Panel ................................................... 8
6.2 Rear Panel ..................................................... 9
7. Connection Diagram .......................... 10
8. Specications ...................................... 11
9. Acronyms ............................................. 11

6
1. INTRODUCTION
The Optical to L/R Stereo Audio Converter (DAC) provides the ideal
solution for converting an Optical digital audio signal to analogue stereo
audio. With support for audio sampling rates up to 96 kHz/24-bit, it
provides high quality sound conversion.
This device is perfect for use in digital recording systems, computer
audio systems or digital mixing consoles and can be powered from any
spare USB port allowing it to be used with USB equipped HDTVs, Blu-ray
players or computers without the need for a seperate power supply.
2. APPLICATIONS
Converting digital optical audio into analogue stereo
Converting digital audio for output on analogue stereo active speakers
HDTV with digital audio only output to analogue amplier input
Improving the digital to analogue conversion quality from any stereo
optical digital audio source
3. PACKAGE CONTENTS
Optical to L/R Stereo Audio Converter
USB Power Cable
Operation Manual
4. SYSTEM REQUIREMENTS
Digital audio source device such as DVD/Blu-ray player or HDTV with an
optical output cable to a device such as an amplier or AV receiver with
analogue stereo input.

7
5. FEATURES
Supports optical digital audio signal input and conversion into
analogue stereo audio output
Supports uncompressed digital LPCM stereo audio input
Supports LPCM audio sampling rates up to 96 kHz (including 32, 44.1,
48, 88.2 and 96 kHz)
Supports S/PDIF bitstream 24-bit of data for the left and right channels
Compact, elegant design and easy to install
Note: Does not support the decoding of Dolby® Digital signals

8
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Front Panel
OPTICAL IN USB 5V
R L
LINE OUT
1 2 3
1 OPTICAL IN
Connect the Optical input to an Optical digital audio source, such as a
Games Console, HDTV or Set-top Box.
2 USB 5V
Connect the USB power port to any powered USB port with a Mini-
USB cable.
3 Power LED
The LED will illuminate when connected to power.

9
6.2 Rear Panel
OPTICAL IN USB 5V
R L
Optical to Analog Audio Converter
LINE OUT
1
1 R/L LINE OUT
Connect the L/R analogue audio output to the input of your AV
Receiver or audio system.

10
7. CONNECTION DIAGRAM
Digital
Optical
Output
Analogue
Stereo
Output
HDTV without
Analogue Audio Output
USB
Power
AV Receiver
(with a spare analogue input)

11
8. SPECIFICATIONS
Input Port 1×Optical
Output Port 1×L/R (2×RCA)
Power Supply Powered by USB bus
Output Level 1.800 Vrms
THD+N < 0.01 %
Frequency Response < 0.5 dB
SNR > 104 dB
Crosstalk < -120 dB
Dimensions 55 mm (W)×80.5 mm (D)×22.5 mm (H)
Weight 65 g
Chassis Material Plastic
Colour White
Operating Temperature 0 ˚C~40 ˚C/32 ˚F~104 ˚F
Storage Temperature −20 ˚C~60 ˚C/−4˚F~140 ˚F
Relative Humidity 20~90 % RH (non-condensing)
9. ACRONYMS
ACRONYM COMPLETE TERM
DAC Digital to Analogue Converter
ΩOhm
RCA Audio Connector (Radio Corporation of America)
S/PDIF Sony/Philips Digital Interconnect Format
SNR Signal-to-noise Ratio
THD Total Harmonic Distortion
USB Universal Serial Bus