Why is my optical audio not working?

The optical cable isn’t securely connected. The optical cable may be faulty. Your TV isn’t updated with the latest software version. The connected third-party sound bar, or home theater system may not be compatible with your TV.

Does LG CX have optical?

The optical b/w is much less than HDMI. So you won’t get Dolby TrueHD lossless audio quality. You will be able to get DD and DD+, I think without Atmos. You can get stereo LPCM up to 192Khz/24bit but not multi-channel.

How do I connect my LG OLED TV to my optical cable?

Connect Optical Soundbar *New LG TV

How do I get my optical sound to work?

How to: Hook Up Your Soundbar With An Optical Cable

Is optical better than HDMI?

In terms of audio quality – HDMI wins

If you’re looking for the best audio quality, HDMI is your choice. While an optical cable can still pass surround sound and super high-quality audio, thanks to the added bandwidth in the latest HDMI versions (2.0) you’ll be able to pass higher resolution and audio.

Why does my LG TV have no audio output?

The issue is with the configuration of the external sound device, or the wiring connecting the two. Make sure the audio wire you’re using is correctly and securely connected to both the TV’s Audio-Out port and the sound device’s Audio-In port. Try to use a different audio cable; your cable may have stopped working.

Is optical and Spdif the same?

They are both digital connections. Optical usually refers to the ADAT protocol over a fiber optic cable (TOSLINK), while SPDIF is usually transmitted over a coaxial “RCA” cable. “Usually”, optical can carry 8 channels at 44.1/48KHz (or 4 at 88.2/96KHz in certain situations) while SPDIF is stereo (two channels).

Does LG TV has optical output?

TV audio is played through an external audio device connected to the digital optical port or the HDMI (ARC) port. Enable SIMPLINK to play audio through HDMI (ARC).[LG TV] How to play audio through internal/external speakers on your LG webOS TV.

Sound InputDigital Sound Output 
PCMAllPCM

What is LG sound Sync optical?

Sound Sync allows your compatible LG devices to communicate via Bluetooth or Digital Optical connections. Devices connected using Sound Sync will have the ability to be controlled by one remote. Both the TV and the Soundbar must be LG products and must both support Sound Sync.

Does LG CX support Dolby Vision?

LG has begun rolling out a Dolby Vision at 120Hz firmware update for its 2020 CX and GX OLED TVs, just as it promised it would. “The firmware is now available for manual download via LG’s support pages in the US (version 04.30.

How do I change the audio output on my LG TV?

1. on the remote control and select Settings > SOUND > Sound Out, then press Wheel or Enter. 2. Depending on the method of connection for external audio, this will be either: Optical Digital Audio Output (Optical cable) or HDMI/ARC (HDMI cable).

How do I connect my Smart TV to my optical receiver?

Go to Parts and Accessories.

  1. Connect a Coaxial Digital Cable, Optical Digital Cable, or Audio cable to the Audio Output jack on your TV.
  2. Connect the other end of the cable to the corresponding jacks on the A/V receiver or home theater system.
  3. Turn on your TV.

How do I connect my optical audio cable to my TV?

Plug one end of the optical digital cable into the OPTICAL DIGITAL OUT port of your TV. Plug the other end of the optical digital cable into the OPTICAL DIGITAL IN port of your soundbar. If the optical digital cable is already connected, disconnect it and then reinsert it firmly.

How do I know if my optical cable is working?

Send a light signal into the cable. While you’re doing this, watch the other end of the cable closely. If light is detectable in the fiber core, this means there are no breaks in the fiber, and that your cable is fit for use.

Should optical cable click in?

When you insert the optical cable, it should click into place. It is designed to fit one way only; one side is squared-off while the opposite is angled on the corners.

What does digital audio Out PCM mean?

Pulse-Code Modulation (PCM) and the Dolby Digital® technology refer to different types of digital audio recordings. PCM is the conventional method for converting analog audio into digital audio. The PCM audio recorded on DVD is a two-channel digital, stereo audio track.

Is it better to hook up soundbar with HDMI or optical?

The major difference is that HDMI cables can pass higher resolution audio which includes formats found on Blu-ray like Dolby TrueHD and DTS HD Master audio. Fiber optic cables won’t be able to transmit these high-res sound formats.

Can I use HDMI ARC and optical at the same time?

In some cases, if your TV allows you to send two audio signals at the same time, one cable needs to transmit audio while the other will pass on the video signal. So, you can use the optical cable for the audio signal and then insert HDMI, which will transmit video.

Is Toslink the same as optical?

The official term for optical audio cable is “Toslink,” short for Toshiba Link. Developed in the early ’80s to connect their CD players to their receivers, it was a red laser optical version of the Sony/Phillips “Digital Interconnect Format” aka S/PDIF standard.

Why do I have picture but no sound on my TV?

Increase the volume on the TV and/or your connected media device (streaming player, Blu-ray player, cable or satellite box, etc.). Check the audio settings on your TV and connected devices. Turn off and unplug your TV and connected devices. Inspect the TV cables and ports, then check the ones on your devices as well.

What is Simplink on LG TV?

SIMPLINK is a function that allows you to use the TV remote control to control the basic functions of connected HDMI devices. For example, with the LG TV remote control you can control a connected Blu-Ray player: play, pause, fast reverse, etc.

What is PCM and bitstream audio?

The difference between PCM and Bitstream is in regards to the device utilized for decoding the compressed format to retrieve the uncompressed PCM data. If you utilize Bitstream, then the AV receiver is performing the decode. PCM is not better than Bitstream format in terms of quality.

Can an optical cable go in SPDIF?

SPDIF can be used with optical cables and coaxial cables while the optical port can only be used with optical cables alone. If you have an optical cable on hand, you can either use the SPDIF or optical output. You can also use both.

How do I connect SPDIF to optical?

To connect the audio output through SPFID, please follow the instructions.

  1. Connect a SPDIF bracket cable (coaxial+optical mixed) into MB SPDIF OUT connector.
  2. Check the SPDIF Bracket optical LED must be light-up.
  3. Speaker connect to H/W Digital Decoder.
  4. Connect SPFID with coaxial cable.
  5. Connect SPDIF with Optical cable.

Which is better PCM or SPDIF?

So in general PCM will sound better, since the Dolby Digital version is made from it.

What does PCM mean on LG TV?

Pulse-code modulation, abbreviated “PCM,” is a form of digital signal that is used to represent analog data. PCM is the standard audio format for CDs, DVDs, computers and digital phone systems, and is an optional audio format on many televisions.

Should I use PCM or auto?

Select [Auto] if the device connected via DIGITAL AUDIO OUT (OPTICAL) is compatible with Dolby Digital. Select [PCM] if the device is not compatible with Dolby Digital.

What does PCM mean on a 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.