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© DENAFRIPS CO. LTD. & VINSHINE AUDIO PTE. LTD. (SINGAPORE)  

ALL RIGHTS RESERVED 

Contents 

1.

 

INSTALLATION & SAFETY INSTRUCTIONS ........................................................................... 2

 

2.

 

INTRODUCTION .................................................................................................................. 3

 

3.

 

DESIGN HIGHLIGHTS ........................................................................................................... 4

 

3.1

 

DIGITAL ISOLATION ..................................................................................................... 4

 

3.2

 

FEMTO CRYSTAL OSCILLATOR ..................................................................................... 4

 

3.3

 

ADAPTIVE FIFO BUFFER RECLOCKING ......................................................................... 4

 

3.4

 

PROPRIETARY, STATE-OF-THE-ART USB INTERFACE ................................................... 5

 

3.5

 

DDC ARCHITECTURE .................................................................................................... 5

 

3.6

 

CLOCK IN ...................................................................................................................... 5

 

4.

 

OPERATING INSTRUCTION .................................................................................................. 6

 

4.1

 

Quick Start Guide ........................................................................................................ 6

 

4.2

 

USB DRIVER INSTALLATION – WINDOWS OS ............................................................ 10

 

5.

 

SPECIFICATIONS ................................................................................................................ 14

 

6.

 

WARRANTY ....................................................................................................................... 15

 

 

Summary of Contents for IRIS

Page 1: ... DENAFRIPS CO LTD VINSHINE AUDIO PTE LTD SINGAPORE ALL RIGHTS RESERVED V1 0 19th July 2020 IRIS DDC OWNER S MANUAL ...

Page 2: ...N 3 3 DESIGN HIGHLIGHTS 4 3 1 DIGITAL ISOLATION 4 3 2 FEMTO CRYSTAL OSCILLATOR 4 3 3 ADAPTIVE FIFO BUFFER RECLOCKING 4 3 4 PROPRIETARY STATE OF THE ART USB INTERFACE 5 3 5 DDC ARCHITECTURE 5 3 6 CLOCK IN 5 4 OPERATING INSTRUCTION 6 4 1 Quick Start Guide 6 4 2 USB DRIVER INSTALLATION WINDOWS OS 10 5 SPECIFICATIONS 14 6 WARRANTY 15 ...

Page 3: ...that when disconnecting and reconnecting your audio equipment the mains supply is turned off Position the power cord and signal interconnects where they are not likely cause trip and fall hazard Do not use the DDC near water or place water filled containers on the DDC Entry of liquid into the DDC is hazardous and may cause electric shock and or fire hazard Do not place the unit under direct sunlig...

Page 4: ... DENAFRIPS Digital Know How IRIS DDC isolates and buffers the USB input data re clock them via the local FEMTO Crystal Oscillators The cleansed ultra low jitters digital output can be connected to any external DAC It transforms the Computer Audio System into a high quality transport The sonic improvement is evident as soon as the IRIS DDC is added into the Digital Audio chain ...

Page 5: ...d with dual FEMTO Clocks operating at audio frequencies 45 1584Mhz 49 152Mhz The dual FEMTO Clocks are powered by the o core transformer multi stages linear regulators The clean linear power supply ensure superior stability and linearity of the FEMTO Clocks output frequency 3 3 ADAPTIVE FIFO BUFFER RECLOCKING The DENAFRIPS approach to address the jitters issue by FIFO BUFFER RECLOCKING The adaptiv...

Page 6: ... when USB Input is selected This is intended design to reduce digital input interfaces cross interference for best sound reproduction 3 5 DDC ARCHITECTURE DIGITAL SIGNAL PROCESSING All digital input data are stored in the on board FPGA high speed RAM FEMTO CLOCKS These data are read from the memory using the ultra low phase noise super accurate FEMTO CLOCKS located right in the DDC The processed d...

Page 7: ...ION 4 1 Quick Start Guide Figure 1 Front Panel 1 Setup Button Press the setup button once to enable disable the CLOCK IN feature Press Setup button once CLOCK light should be on off as the Setup button is pressed momentarily CLOCK light on Enable clock in CLOCK light off Disable clock in 1 2 ...

Page 8: ...ng table illustrate the Input Sampling Rate LED status Base Sampling Rate Indicator Input Format 44 1 kHz 44 1K 44 1 kHz 88 2K 88 2 kHz 176 4K 176 4 kHz 352 8K 352 8 kHz 705 6K 705 6 kHz 48 kHz 48K 48 kHz 96K 96 kHz 192K 192 kHz 384K 384 kHz 768K 768 kHz DSD 64 DSD 64 128 DSD 128 256 DSD 256 512 DSD 512 Table 1 Sampling Rate ...

Page 9: ...rom 100 250VAC Please check the voltage switch underneath the DDC switch it to the correct voltage before connecting the AC mains 2 Digital Input Interface IRIS support USB input only 3 Digital Output Interface There are 5 Digital Output Interfaces namely COAX AES OPT I2S A I2S C All outputs are active simultaneously I2S A HDMI LVDS I2S C RJ45 LVCMOS 1 3 2 4 ...

Page 10: ... ALL RIGHTS RESERVED 4 CLOCK IN The IRIS supports the following clock frequencies input leveraging the high quality OCXO of the TERMINATOR PLUS DAC it may be connected to IRIS CLOCK IN to improve the sonic performance MASTER CLOCK 45 1548MHz 49 152Mhz ...

Page 11: ...io playback for Computer Audio System NOTE Mac and Linux OS do not require the USB driver Installation Guide Download the driver from the support page https www denafrips com support Do not connect the USB cable from the computer to the DDC Remove it before the USB driver installation Double click the DENAFRIPS_UsbAudio_v4 82 0 or the latest version to install the USB driver Follow the on screen i...

Page 12: ... DENAFRIPS CO LTD VINSHINE AUDIO PTE LTD SINGAPORE ALL RIGHTS RESERVED Figure 4 Default Installation Directory Figure 5 Preinstallation Successful ...

Page 13: ...IGHTS RESERVED Figure 6 Completed Restart the computer to complete the installation Connect the USB cable to the DDC Power on the DDC Select USB input The USB DDC shall be detected The driver status can be monitored as follows Figure 7 Taskbar Control Panel ...

Page 14: ...L RIGHTS RESERVED Select DENAFRIPS USB DDC as default Windows OS Soundcard Press Set Default button Properties of the DENAFRIPS USB DDC Direct Sound default format ASIO Buffer Size Playback software recommendation roon JRiver Foobar2000 Sonicstudio Amarra ...

Page 15: ...Input USB External Clock Input 45 1584MHz 49 152Mhz Digital Output Coax SPDIF via RCA TOSLink x 1 AES EBU x 1 I S HDMI LVDS Standard I S RJ45 LVCMOS Standard Supported Format DSD DSD64 All Input DSD64 DSD512 USB I S Only Supported Format PCM 24bit 44 1 48 88 2 96 176 4 192 kHz All Input 44 1 768 kHz USB I S Only Dimension 220W x 250D x 44H mm Feet 18mm Weight 3 5 Kg ...

Page 16: ...chever later Defective Within Warranty Policy First 30 Days DENAFRIPS to bear both way shipping fee Within 1st Year Customer to bear one way shipping fee DENAFRIPS shall cover the return shipping fee Within Warranty Period Customer to bear both way shipping fee DENAFRIPS to repair at free of charge Out of Warranty Customer to bear both way shipping cost DENAFRIPS to provide repair maintenance serv...

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