GefenTV Digital Audio to Analog Decoder


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The Gefen GTV-DD-2-AA is a Digital audio to analog decoder which converts up to 5.1-channel audio encoded in Dolby Digital Surround to L/R analog audio. The GefenTV Digital to Analog Decoder takes audio encoded in Dolby Digital (at up to 5.1 channels) from your multichannel S/PDIF or TOSLINK digital audio source and converts it to L/R analog audio.

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.

A coaxial or optical audio output on your digital audio source connects into 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.

Gefen TV Digital to Analog Decoder Sideviews

Gefen TV Digital to Analog Decoder Sideviews

Gefen GTV-DD-2-AA 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
  • Saves money otherwise spent on stereo equipment upgrades
  • Compact and easy to install

Gefen TV Digital to Analog Decoder Application Diagram

Gefen TV Digital to Analog Decoder Application Diagram

Package Includes:

  • (1) GefenTV Digital to Analog Audio Converter
  • (1) 5V DC Power Supply
  • (1) User's Manual

Gefen GTV-DD-2-AA Specifications:

Height 0.9 in. (2.3 cm.)
Width 1.7 in. (4.3 cm.)
Depth 1.6 in. (4.1 cm.)
Weight 1 lb. (.5 kg.)
Operating Temperature 0-70 deg. C
Supply 5V DC
Consumption 5W max.
Inputs Coaxial and Optical digital audio ports
Outputs Right and Left RCA-type Stereo analog output ports
UPC / EAN Barcode icon
UPC 845344007168
EAN 0845344007168
Question: I have a Starkey surf link Device I use with my tv and it works great streaming to my hearing aid, however I now have a new Samsung tv and it does not work. I am told this is because of the Dolby system on the new TV. "will this device work for me?
Answer: Thank you for your inquiry. Unfortunately, we are not that familiar with Starkey SurfLink devices or Samsung Televisions. It is likely the Gefen Digital Audio to Analog Decoder will work for you, but we could not say for sure.

With this device you could take an optical or coax digital audio out signal from the TV and convert it to 2-chanel analog audio; but, you may also be able to take an analog audio signal directly from the TV.

Instead of using an Optical TOSLINK or Coaxial S/PDIF out on the TV, we would try using the Audio-Out RCA jacks if available. That should provide a 2-chanel analog audio signal. It may also be possible to change settings on the TV to remove any Dolby processing.

Unfortunately, Detailed product support is beyond the scope of this simple FAQ. If neither of the above suggestions work, we would recommend contacting the Starkey Hearing Technologies support team directly. They should have a better idea of what settings would be needed for the ideal sound.