What does PCM mean on Samsung Soundbar?
Matthew Barrera
Published Apr 02, 2026
What does PCM mean on Samsung Soundbar?
pulse-code modulation
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.
What does PCM mean on a sound bar?
Pulse-Code Modulation
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.
How do I set my TV audio to PCM?
Steps
- Press the HOME button, then select [Settings].
- 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.
Is PCM better than DTS?
PCM is best suited to those who do not have an AV receiver and output the sound via the TV boxes. This also calls for PCM: If you want to output HD sound formats such as Dolby True HD or DTS HD, but the AV receiver does not support them.
When to use PCM on a Samsung TV?
PCM: This setting is only recommended to use if your sound system experiences issues on higher settings (meaning the system may not be compatible with Dolby), or if it is the only option available for the content you are currently displaying on the TV.
Which is the best soundbar for Samsung TV?
Most recommended Audio settings for Samsung TV to get best soundbar performance (any soundbar brand). If you recently bought a soundbar to complement your Samsung TV, you will need the right settings on your Samsung TV to enable the desired performance from your soundbar.
Why does my Samsung TV not work with LPCM?
Just wondering if you are planning to fix the issue that currently exists on all the 2020 models regarding pcm and audio pass through. There are many posts and threads about this but the TVs don’t seem to work with 5.1 or 7.1 surround/multi channel lpcm when using Earc/passthrough to a soundbar or home cinema system.
What kind of sound can I get from my Samsung TV?
Remember, the output format is for devices that receive sound from the TV, such as a soundbar, home theater system, or headphones. 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.