You will need to connect the sound system using HDMI ARC. For modes with more than 5.1 channels of audio, an optical cable will not suffice. If you are not connecting one of these to your TV, then you should leave this setting on PCM, or you may experience reduced audio volume or other issues.įor the best sound experience such as multi-channel surround sound, set this to the highest mode that your sound system can support. Remember, the output format is for devices that receive sound from the TV, such as a soundbar, home theater system, or headphones. We recommend to select PCM when using the TV's speakers. This can often result in reduced volume or other loss in audio quality.
Advanced audio codec vs dts tv#
Note: If you select Bitstream, but do not have a home theater system or soundbar connected, then the TV will process the audio in addition to outputting it. This setting is required in order for a home theater system or soundbar to be able to offer multi-channel surround sound from other devices connected to the TV, if it is capable of it. If you select PCM even though you have a home theater system or soundbar connected, the sound system will only receive 2.0 channel sound and the result will not be multi-channel surround sound, even if the sound system is capable of multi-channel PCM audio.īitstream: Use this setting if you plan to have audio processed by a home theater system or soundbar, after passing through the TV. Note: This changes the signal to 2.0 PCM as it passes through the TV. PCM: This stands for “pulse-code modulation.” Use this setting if the external device you've connected to the HDMI port has already processed the sound, and you just want it to come out of your TV's speakers.
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