Should I use PCM or auto?

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 is PCM audio on 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. Note: This changes the signal to 2.0 PCM as it passes through the TV.

What sound setting is best for LG TV?

LG TV – Recommended TV Audio Settings
Smart Sound Menu → Sound → Sound Mode → Off
Volume Mode Menu → Sound → Volume Mode → Off
Sound Optimizer Menu → Sound → Sound Optimizer → Off
Sound Mode Menu → Sound → Sound Mode → Standard
Clear Voice Menu → Sound → Sound Effects → Clear Vice → Off

Is Dolby Digital better than PCM?

From Google search: Yes, PCM is uncompressed audio, whereas Dolby Digital is compressed, which compromises quality for space. Dolby TrueHD, on the other hand, is a lossless audio format, like a zip file, which is identical to PCM, in theory (I won’t get into that debate).

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.

How do I change the PCM 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). Select ARC Mode to ON.

Is PCM surround sound?

PCM can carry surround sound, but it cannot do so over an optical cable—the optical cable can only carry stereo PCM (using TOSLINK, the home stereo standard). To send surround PCM, you’d need to use an HDMI cable (or alternatively displayport on a PC), which carries both the video and audio signal.

Is 5.1 better than PCM?

Uncompressed PCM sounds better than DD 5.1 simply because it’s uncompressed, it really has nothing to do with the loudness of the soundtrack. Dynamic peaks are clearer and more vibrant, bass has more impact and slam. Your ears are not playing tricks on you, uncompressed PCM is leaps and bounds over DD.

Why does my receiver Say PCM?

The PCM light on the front of the receiver lights up when the Yamaha unit is receiving a PCM signal from a source such as a DVD player. … If you are watching DVD movie and the PCM light is lit, verify the digital audio out settings on the DVD player menu to make sure that both Dolby Digital and DTS are enabled.

What is a PCM audio file?

Which Audio File Format. PCM stands for Pulse-Code Modulation, a digital representation of raw analog audio signals. Analog sounds exist as waveforms, and in order to convert a waveform into digital bits, the sound must be sampled and recorded at certain intervals (or pulses).

Is PCM better than DTS?

DTS has a higher bitrate and sounds technically better. …

Setting PCM or Bitstream settings does not influence the decision Dolby Digital Vs DTS Neo 2.5, because PCM and Bitstream are related to the HDMI input audio format.

What is ARC for HDMI?

What is HDMI ARC? Most Samsung TVs support the HDMI feature called Audio Return Channel. HDMI ARC is designed to reduce the number of cables between your TV and an external Home Theatre System or Soundbar. … To connect your TV with an ARC enabled speaker, make sure that you are using an HDMI cable 1.4 or higher.

Is PCM audio high quality?

As PCM, your signal is pure and usually in the highest quality. It takes up a lot of space but sounds very good. There are also formats such as Dolby Digital or DTS where the signal is (source-)encoded. In these two examples, the encoding is done with a loss of quality.

Is PCM lower quality?

Pulse-Code Modulation is the typical method used for converting analog audio into its digital counterpart. … From a technical standpoint, most people would consider PCM to be worse than Dolby Digital because it offers fewer channels.

Is PCM audio better than MP3?

Linear PCM” is the audio data format used in standard audio CDs. … The compressed MP3 format is a better choice for long recordings of this type. MP3 compresses the audio data by removing normally inaudible components of the signal, achieving significant reductions in file size with minimal degradation of sound quality.

Which surround sound mode is best?

Dolby Digital Surround

This is a good choice when watching movies. Besides DVDs, Dolby Digital surround tracks can also be found on cable and satellite channels for movies and TV shows. Even though Dolby Digital isn’t the latest surround format, it can still sound excellent.

Is PCM the same as WAV?

Technicaly they are not the same thing at all. PCM (Pulse Code Modulation) is a technique use to represent analog sound in digital form. The data on CD are in PCM form as most wav files. Wav is a file format.

Is PCM audio lossless?

PCM: Used to digitally represent analog signals, Pulse Code Modulation (PCM) is the standard audio format for CDs, but also for computers and other digital audio applications. PCM is both an uncompressed and lossless audio format, quite often acting as the source data for creating other audio file types.

What is the best sound setting for home theater?

A good 5.1-channel system will give you a full surround sound experience. Most DVD and Blu-ray™ media, some Super Audio CDs (SACDs), broadcast TV, and many streaming sources are in 5.1-channel format. Going to 7.1 channels improves the directionality of sound effects and helps you feel more of your entertainment.

Which is better Dolby Digital or Dolby Surround?

Dolby Digital (or AC-3) is a 5.1 or 6.1 (if it’s 6.1 it will say EX) scheme, it’s lossy but you get discrete surround sound. If you’re going to watch the movie in stereo, I would suggest the Dolby Surround mix, otherwise go with AC-3.

How do I get my TV to play through my surround sound?

  1. Connect an HDMI cable to the HDMI ports labeled ARC, or the port identified in your manual that supports ARC.
  2. Set Speakers to Audio system. The steps below are an example on Android TV or Google TV. …
  3. Turn on the Control for HDMI setting on both the TV and the receiver or home theater system.

What is the most important speaker in surround sound?

center channel speaker
A center channel speaker is the most important speaker in a surround sound setup because it does most of the work. Most of the action, and conversation, in a movie, happens front and center on your screen, meaning that the center channel is the one reproducing it.