j-tech digital premium quality 1080p hdmi to hdmi + audio (spdif + rca stereo) audio extractor converter (jtdat5ch) j-tech digital <p>this device extracts the digital audio signal from the hdmi input and converts it to 2 channel analog stereo output or 5.1 channel audio outputs. </p> <p>to improve our customers experience, we posted the following three methods if you experience no sound from output. </p> <p>1. the edid-option switch: switch the edid-option buttom in the front, change it between 2ch, 5ch or pass. </p> <p>2. turn off dolby digital plus: toslink (spdif) does not support dolby digital plus, you need to turn off dolby digital plus function, then the sound can go through the extractor. </p> <p>a: amazon fire tv or amazon fire tv stick </p> <p>settings - display sound - audio - dolby digital output - dolby digital plus off </p> <p>b: apple tv </p> <p>settings audio video - dolby digital - on </p> <p>c: chromecast </p> <p>chromecast plays the contents from your video source, please make sure to turn off the dolby digital plus on the video source through the play devices.</p> <p>3. do not use hdmi to dvi or hdmi to vga cable, will result in no audio come out. instead, please use hdmi to hdmi cable.</p>