Gefen GTV-DD-2-AA Digital Audio Decoder User Manual
- June 12, 2024
- Gefen
Table of Contents
Gefen GTV-DD-2-AA Digital Audio Decoder
INTRODUCTION
Congratulations on your purchase of the Digital Audio Decoder. Your complete satisfaction is very important to us
GefenTV
GefenTV is a unique product line catering to the growing need for innovative home theater solutions. We specialize in total integration for your home theater, while also focusing on going above and beyond customer expectations to ensure you get the most from your hardware. We invite you to explore our distinct product line and hope you find your solutions. Don’t see what you are looking for here? Please call us so we can better assist you with your particular needs.
The GefenTV Digital Audio Decoder
The GefenTV Digital Audio Decoder takes audio encoded in Dolby Digital (at up to 5.1 channels) from your multichain- nel S/PDIF or TOSLINK digital audio source and converts it to L/R analog audio – without the need for any other external equipment! With the GefenTV Digital to Analog Decoder, you can listen to digital audio sources such as DVD and CD players or digital computer audio on your legacy analog sound system, preserving your current investment.
How It Works
A coaxial or optical audio output on your digital audio source connects to the input on the Digital to Analog Decoder. The input type is chosen with the Decoder’s selector button. The Decoder is connected to power. Analog RCA connectors on the Decoder output L/R analog audio to powered speakers.
OPERATION NOTES
READ THESE NOTES BEFORE INSTALLING OR OPERATING THE GEFENTV DIGITAL AUDIO DECODER
- This decoder supports both Linear PCM and Dolby Digital audio input formats.
- The Digital Audio Decoder is not an amplification device and cannot be used directly with earphones or other passive devices.
- Do not use this decoder with a power supply other than the one that is provided.
FEATURES
Features
- Converts S/PDIF or TOSLINK digital audio to L/R analog audio Digital interpolation filter and digital to analog converter (DAC)
- Supports up to 6 channels (up to 5.1 Surround) of audio encoded in Dolby Digital
- Auto samples at frequencies of 32, 44.1, 48 kHz
- 24-bit incoming bitstream on left and right channels
- Allows listening to digital audio sources on legacy analog sound systems
- Compact and easy to install
Package Includes
- (1) Digital Audio Decoder
- (1) 5V DC Power Supply
- (1) User Manual
UNIT LAYOUT
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Dolby Digital
This LED indicator will glow bright red when a Dolby Digital signal is detected on the input. -
Coax
This LED indicator will glow bright green when the Coax input is activated. -
Out (L/R)
Connect L/R RCA stereo cables from these audio outputs to an external amplifier. -
Coax In
Use a coax audio cable to connect an external digital audio source to this S/PDIF connector. -
Opt In
Use an optical cable to connect an external digital audio source to this TOSLINK connector. -
5V DC
Connect the included 5V DC power supply to this power receptacle. Only use the power supply that is included with this product. -
Input
Press this button to toggle between Coax (S/PDIF) and Optical (TOSLINK) inputs.
CONNECTING THE DIGITAL AUDIO DECODER
How to Connect the Digital Audio Decoder
- Connect a Coax and/or Optical cable between the audio source and the S/PDIF and/or TOSLINK connectors on the Digital Audio Decoder.
- Connect a pair of L/R RCA-type cables between the L/R output connectors on the Digital Audio Decoder and the
- Connect the included 5V DC power supply to the power receptacle on the Digital Audio Decoder.
- Connect the AC power cord to an available electrical outlet.
OPERATING THE DIGITAL AUDIO DECODER
LED Indicators
The following illustrations below show the different states of audio input and the audio type which is displayed by the LED indicators on the Digital Audio Decoder. Pressing the Input button switches between Coax and Optical inputs
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Coax LED = OFF, Dolby LED = OFF
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Active Input: Optical (TOSLINK)
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Audio Type: Linear PCM
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Coax LED = OFF, Dolby LED = RED
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Active Input: Optical (TOSLINK)
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Audio Type: Dolby Digital
WIRING DIAGRAM
SPECIFICATIONS
- Audio Inputs……………………………………………………………………………………………….(1) Coax / (1) TOSLINK
- Audio Outputs………………………………………………………………………………………………Analog L/R, RCA-type
- Output Impedance……………………………………………………………………………………………………………….500 Ω
- Output Voltage…………………………………………………………………………………………1.8V RMS @ 0 dB (max.)
- Frequency Response……………………………………………………………………………………………………< +/-0.5 dB
- Signal-to-Noise Ratio………………………………………………………………> 90 dB (20 Hz – 20 kHz A-Weighting)
- Power Supply……………………………………………………………………………………………………………………..5V DC
- Power Consumption……………………………………………………………………………………………………..5 W (max.)
- Operating Temperature……………………………………………………………………………………………….0° C ~ 70° C
- Dimensions………………………………………………………………………………………………..1.7” W x 0.9” H x 1.6” D
- Shipping Weight…………………………………………………………………………………………………………………….1 lb.
WARRANTY
Gefen warrants the equipment it manufactures to be free from defects in material and workmanship. If equipment fails because of such defects and Gefen is notifi ed within two (2) years from the date of shipment, Gefen will, at its option, repair or replace the equipment, provided that the equipment has not been subjected to mechanical, electrical, or other abuse or modifi cations. Equipment that fails under conditions other than those covered will be repaired at the current price of parts and labor in effect at the time of repair. Such repairs are warranted for ninety (90) days from the day of reshipment to the Buyer. This warranty is in lieu of all other warranties expressed or implied, including without limitation, any implied warranty or merchantability or fi tness for any particular purpose, all of which are expressly disclaimed.
- Proof of sale may be required in order to claim warranty.
- Customers outside the US are responsible for shipping charges to and from Gefen.
- Copper cables are limited to a 30 day warranty and cables must be in their original condition.
The information in this manual has been carefully checked and is believed to be accurate. However, Gefen assumes no responsibility for any inaccuracies that may be contained in this manual. In no event will Gefen be liable for direct, indirect, special, incidental, or consequential damages resulting from any defect or omission in this manual, even if advised of the possibility of such damages. The technical information contained herein regarding the features and specifi cations is subject to change without notice.
For the latest warranty coverage information, please visit Gefen’s Warranty web page at www.gefen.com.
20600 Nordhoff St., Chatsworth CA 91311
FREQUENTLY ASKED QUESTIONS
What is the Gefen GTV-DD-2-AA Digital Audio Decoder?
The Gefen GTV-DD-2-AA is a digital audio decoder that converts various digital audio signals to analog audio output.
What types of digital audio signals can the GTV-DD-2-AA decode?
The GTV-DD-2-AA can decode digital audio signals from sources like HDMI, S/PDIF, and TOSLINK optical connections.
What is the purpose of this digital audio decoder?
The GTV-DD-2-AA is used to convert digital audio signals to analog audio, making it compatible with devices that only have analog audio inputs.
Does the GTV-DD-2-AA support Dolby Digital and DTS audio formats?
Yes, the GTV-DD-2-AA supports decoding of Dolby Digital and DTS audio formats.
What types of analog audio outputs does the GTV-DD-2-AA provide?
The GTV-DD-2-AA provides stereo analog audio outputs.
Can this device be used to connect a digital audio source to an analog speaker system?
Yes, you can use the GTV-DD-2-AA to connect devices with digital audio outputs to analog speakers or audio systems.
Does the GTV-DD-2-AA require an external power source?
Yes, the GTV-DD-2-AA requires an external power supply for operation.
What is the maximum sample rate that the GTV-DD-2-AA can support?
The GTV-DD-2-AA can support digital audio sample rates up to 48 kHz.
Is this decoder suitable for home theater setups?
Yes, the GTV-DD-2-AA can be used in home theater setups to convert digital audio signals for older analog audio systems.
Can the GTV-DD-2-AA be used to convert audio from a gaming console with digital output to analog speakers?
Yes, you can use the GTV-DD-2-AA to convert audio from gaming consoles or other devices with digital audio outputs to analog speakers.
Does this decoder support 5.1 or 7.1 surround sound audio formats?
No, the GTV-DD-2-AA is designed primarily for stereo audio output and does not support multi-channel audio formats.
What is the process of connecting and setting up the GTV-DD-2-AA?
You typically connect the digital audio source to the decoder's input, and then connect the decoder's analog audio output to your analog audio system.
Can the GTV-DD-2-AA decode audio from HDMI ARC (Audio Return Channel)?
Yes, the GTV-DD-2-AA can decode audio from HDMI ARC as long as the ARC signal carries a compatible audio format.
Is this decoder HDCP compliant for handling protected content?
The GTV-DD-2-AA does not handle video or HDCP-protected content; it's primarily for audio decoding.
Does this device have any built-in audio processing features?
The GTV-DD-2-AA primarily focuses on digital-to-analog conversion and doesn't include advanced audio processing features.
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