Should I use PCM or auto?

Registered. By setting HDMI audio output to AUTO, when playing a Standard DVD, the audio will be sent via Bitstream. If you watch an HD DVD, it will be sent via PCM. So AUTO is the best method for HDMI audio.

What does PCM mean on TV sound?

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 PCM better than HDMI?

On the other hand, most audio players only support the PCM format while transmitting sound. That means you should check the compatibility of your device when choosing between the two. HDMI is easily the best option for output. However, if you use either digital or optical coaxial outputs, Bitstream is the clear winner.

How do you use PCM on TV?


  1. Press the HOME button, then select [Settings].
  2. Select [Sound] → [Digital Audio Out] → [Auto] or [PCM]. 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 is the best sound setting for TV?


Auto Sound:Home → Setup → Sound → Set to Personal
Auto Volume Leveling:Home → Setup → Sound → Set to Off
Balance:Home → Setup → Sound → Set equal balance for Left and Right
Equalizer:Home → Setup → Sound → Equalizer → Set all values to 0
TV Speakers:Home → Setup → Sound → Set to On
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Is PCM good for surround sound?

PCM is used in CD, DVD, Blu-ray, and other digital audio applications. When used in surround-sound applications, it’s often referred to as linear pulse code modulation (LPCM).

Which is best PCM or Dolby Digital?

PCM is pulse coded modulation, its raw form of digital audio (without compressing). Dolby Digital is a compressed form, every dvd player or vlc decompresses dolby / dts / mp3 to PCM. Therefore PCM is best.

What is the best sound setting for Samsung TV?

Samsung – Recommended TV Audio Settings

Sound Mode:Menu → Sound → Sound Mode → Set to Standard
Virtual Sound:Menu → Sound → Sound Effect → Virtual Sound → Set to Off
Dialog Clarity:Menu → Sound → Sound Effect → Dialog Clarity → Set to Off
Equalizer:Menu → Sound → Sound Effect → Equalizer → Set all values in the center

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 set my TV to PCM or raw?

Raw is for ‘bitstream’. It will pass DD, DTS or PCM stereo. PCM is for PCM stereo only. So it should be set to RAW.

Is it better to use HDMI ARC or optical?

HDMI ARC or digital optical audio? HDMI ARC is a better option. It supports Dolby Digital Plus, Dolby Atmos, and up to 7.1 channels of uncompressed audio while Digital Optical only supports Dolby Digital and up to 5.1 channels of uncompressed audio.

What is the best way to connect a soundbar to a TV?

The best way to connect your soundbar to your TV is with an HDMI cable. This is because HDMI transfers audio digitally, which means it will be raw and uncompressed. Also, HDMI cables can handle the most high-end soundbars, including ones that support surround sound.

What cable do I need for HDMI ARC?

To connect your TV with an ARC enabled speaker, make sure that you are using an HDMI cable 1.4 or higher. The HDMI-ARC functionality is only available through the specific port on the TV or One Connect Box, and the external speakers need to be compatible.

How do I change the audio output on my TV?

The steps and menu items for your TV may vary:

  1. Press the. (Quick Settings) button or HOME button on the supplied remote control:
  2. Select. Settings.
  3. Select Display & Sound.
  4. Select Audio output.
  5. Check the Digital audio out volume and adjust if needed to increase the volume level.
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Why does my Samsung TV not have audio out?

Loose connections can cause dropouts, so make sure to reconnect the cable at both ends, and check if you still experience dropout. If you do, try using a new cable. If a different port on your TV is available, reconnect to it instead.

How do I make my TV sound clearer?

Look for a section for audio and check for a setting called “Dynamic Range Compression” or “Dynamic Range Control.” Try setting this to “High” or “Maximum.” If your TV has this option, setting this to its highest level will flatten the range of volume, normalizing the loudest and the quietest sounds to a more …

Why is the background sound louder than the voices on my TV?

The louder you turn up your the sound to try and hear it, the more it’s likely to distort over your TV’s speakers, which usually aren’t as capable of handling loud sounds as a stereo system’s. Try adjusting the audio settings on your source (the cable, satellite, or digital receiver) menu.

How do you fix very low dialogue but very loud sound effects on TV?

One way to approach it is to adjust the general volume up to the level that is comfortable for you in regard to the loud sounds in the movie or TV show (the explosions, the gunfights, etc.) and then individually adjust the center channel upwards until the dialogue is also at a comfortable level.

Should I set my TV to PCM or bitstream?

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 can often result in reduced volume or other loss in audio quality. We recommend to select PCM when using the TV’s speakers.

How do I get 5.1 sound on my TV?

How to Get 5.1 Surround Sound from your Home Theater System

Can you get surround sound through optical?

Yes, optical audio connections support compressed Dolby Digital or DTS 5.1 surround sound.

Why is Dolby Digital so quiet?

It’s because Dolby Digital was designed for motion picture sound — in which the “normal” audio is relatively quiet dialogue compared to jets taking off, bombs exploding, cars crashing, etc, which is much, much louder..

Does HDMI ARC support Dolby Digital Plus?

ARC can, however, allow you to receive Dolby Atmos audio from streaming services such as Netflix, Disney Plus and Amazon Prime Video, as these services embed Dolby Atmos in the lossy Dolby Digital Plus format which ARC can handle.

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How can I make my Samsung TV sound louder?

Set the sound mode to Amplify.

This preset mode will amplify the audio for voices and will resolve most issues. Raise the volume to a higher level than normal TV viewing. This will not damage the TV/projector and does not mean there is an audio issue with it. Remember to lower the audio after watching the movie.

How do I make the sound clear on my Samsung TV?

How to reset sound settings on Samsung TV

  1. 1 Press the Home button on your remote control.
  2. 2 Using the directional pad on your remote, navigate to and select Settings.
  3. 3 Navigate to and select Sound > Expert Settings.
  4. 4 Navigate to and select Reset Sound.

Why is TV sound so poor?

Manufacturers are constantly making their TVs thinner and the bezels smaller. This has forced the speakers into the back or the bottom, making them very tiny in the process. The problem is, speakers need to be bigger to produce decent sound. And it doesn’t help that they’re often facing down or away from you.

What is the best sound setting for LG Smart TV?

Sound Settings in LG Smart TVs

How do I change the PCM sound on my LG TV?

For either the Optical Digital Audio Output or HDMI/ARC Multi-channel Audio Output, select External Speaker and then select either PCM or Auto as the Digital Sound Out. 4. To use an HDMI cable, HDMI 1 must be used on the TV, and the external sound system must support ARC (Audio Reverse Channel).

How do I get my LG TV to play sound through HDMI?

Connect an HDMI cable from the HDMI (ARC) output on your TV (usually HDMI 1), to the HDMI input slot on the sound device. Locate the Sound menu on your TV (differs by model). Select Sound Out from the Sound menu. Choose Audio Out(Optical/HDMI ARC)from the list.



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Hi, I'm Nam Sun-Hi. My first name means: "One with a joyful demeanor." I'm a Korean student and author at I spend all my time either writing or studying. I love learning new things, and I think that's why I enjoy writing so much - it's a way of learning more about the world around me.