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If your TV is set to output a Dolby Digital or DTS stream then the converter will likely not work. But if you are trying to convert a digital signal to analog then most of these converters (including the Camway) require that you set your TV's digital audio output to PCM (Pulse Code Modulation). If you're just trying to convert HDMI to fiberoptic or coax digital outputs, then the DAC doesn't matter because the unit isn't converting the signal to analog. One thing to keep in mind is that many of these converters use very basic DACs (Digital Audio Converters) that don't support proprietary codecs like Dolby Digital or DTS. Camway HDMI/ARC Digital to Analog Audio Converter.Here's one on Amazon made by a company called Camway: That said, there are some audio converters that get decent reviews and may be able to accomplish what you are trying to do. HDMI/ARC audio converters like this one from Camway convert the digital audio signal from an HDMI/ARC port on a TV into a fiberoptic or coax digital signal, or into an analog audio signal for connections to older receivers and home theater gear,
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