What does PCM 48 mean on my Sony receiver?

What does PCM 48 mean on my Sony receiver?

A receiver locked in PCM mode can affect playback of standard-definition audio sources, such as a DVD or standard-definition TV programs. When this happens, the receiver may not be able to process true surround sound and the audio may seem muffled.

What does PCM mean on my receiver?

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.

What is PCM quality?

PCM (pulse code modulation) is the “raw” signal generated by the AD converter. This means that the signal is not additionally source-coded by, for example, DTS or Dolby Digital, and is therefore not converted. As PCM, your signal is pure and usually in the highest quality.

What does PCM mean on 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.

How do I turn off the PCM on my Sony sound bar?

How to switch between the Dolby Digital sound and LPCM sound output formats of the TV.

  1. On the TV remote control, press the HOME button.
  2. Select Settings.
  3. Select Preferences.
  4. Select Audio Description.
  5. Select your preferred Audio Description setting. Select Off to output Dolby Digital sound.

How do I change my PCM on my Sony 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.

Is PCM audio good?

If you’re watching a DVD through a standard player, the PCM setting might be the best one to use. When you are watching an HD television station, the audio formatting is often in the Dolby Digital structure. This option delivers up to 5.1 channels for your listening enjoyment.

Is PCM and WAV the same?

PCM and WAV both format contains raw PCM data, the only difference is their header(wav contains a header where pcm doesn’t). So if you just add wav header then it will do the tricks. Just get the PCM data and add the wav header on top of the PCM data.