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What Is PCM and Raw on Tv?

FAQs Jackson Bowman September 25, 2022

PCM and Raw are both audio output methods, and the main difference is that Raw outputs audio directly to the nearest device without encoding, which is called audio source output; PCM is the abbreviation for Pulse Code Modulation.

Should I use PCM or raw?

Raw stands for “Bitstream”. It will happen DD, DTS or PCM stereo. PCM is for PCM stereo only. So it should be set to RAW.

What is raw PCM?

A raw audio file is any file that contains uncontainerized and uncompressed audio. The data is stored as raw pulse code modulation (PCM) values ​​without any header information (such as sample rate, bit depth, endian or number of channels).

Should I use PCM on my TV?

PCM: This setting is only recommended if your sound system has problems with higher settings (meaning the system may not be compatible with Dolby) or if it is the only option available for that Content you are currently viewing on the TV.

Should I set audio to PCM?

PCM is best suited for those who don’t have an AV receiver and output the audio through the TV boxes. PCM is also required here: If you want to output HD sound formats such as Dolby True HD or DTS HD, but the AV receiver does not support them.

Is PCM surround sound?

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

Should I set my TV to PCM or Bitstream?

Transmission. The great capabilities of bitstream transmission are limited to modern, digital sounds. PCM, still using old technology, can work with analog and digital players and receivers. As a result, PCM is still the standard for transmission.

What does PCM mean on TV audio?

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

Does Optical support PCM?

Optical audio connections support the following audio formats: Lossless 2.0 (Stereo) PCM Audio. Compressed Dolby Digital 2.0/5.1 and Dolby Digital EX. Compressed DTS Digital Surround, DTS-ES Matrix 6.1 and DTS-ES Discrete 6.1.

What is the difference between Dolby Digital Plus and Dolby Digital?

Dolby Digital Plus™ (E-AC-3) offers up to twice the efficiency of Dolby Digital and adds new features like 7.1 channel audio, support for descriptive video services and support for Dolby Atmos (but more on that later) . ).

Which is better PCM or auto?

If you set the HDMI audio output to AUTO, the audio will be sent via bitstream when playing a standard DVD. When you watch an HD DVD, it is broadcast over PCM. So AUTO is the best method for HDMI audio.

What is the best audio delay setting?

How do I activate PCM on my TV?

How can I improve the sound quality on my Samsung TV?

Or you can try this method available on all Samsung TVs. Press the home button on the remote control and then navigate to Settings. Select Sound and then Sound mode. From there, select the mode that appears on best sounds you.

What is HDMI ARC used for?

Audio Return Channel (ARC) connects your TV and audio system with a single high-speed HDMI® cable, eliminating the need for an additional composite audio or optical cable.

Why my Samsung TV has no sound?

On your TV, navigate to Settings, then select Support and then Self Diagnosis. Select Sound Test and wait for the test to complete. If the test shows a problem, you can try resetting the sound. From Settings, select Sound, then Expert Settings, then Reset Sound.

What’s the best audio quality?

A lossless audio file format is the best format for sound quality. These include FLAC, WAV or AIFF. These file types are labeled “high-resolution” because they are better than or equal to CD quality.

Which sound is better PCM or Dolby Digital?

PCM is uncompressed raw audio. Dolby Digital is compressed audio (something like MP3), so essentially the PCM version, and is lossy compressed. So in general PCM will sound better since the Dolby Digital version is made out of it.

Which audio connection is best?

HDMI cable:

The sound quality is better than the other two cable types. These cables carry multi-channel audio formats such as DTS:X and Dolby Atmos. The HDMI audio connection cables can also support current and new video formats such as Ultra HD 4K resolution and HDR formats.

What does RAW mean on TV audio?

RAW: It means “unprocessed”. It is called BitSream by some players of foreign brands. We usually call it “source code”. The meaning is the output of the audio format on the disc from the coaxial and fiber without processing, “Original”.

References:

  1. https://www.avsforum.com/threads/audio-question-whats-the-difference-between-pcm-and-raw.614218/
  2. https://en.wikipedia.org/wiki/Raw_audio_format
  3. https://www.samsung.com/us/support/answer/ANS00085244/
  4. https://planethifi.com/pcm-vs-bitstream/
  5. https://www.lifewire.com/what-is-pcm-1846928
  6. https://www.headphonesty.com/2021/12/bitstream-vs-pcm/
  7. https://www.sony.com/electronics/support/articles/00025143
  8. https://www.the-home-cinema-guide.com/optical-digital-audio.html
  9. https://developer.dolby.com/technology/dolby-audio/dolby-digital-plus/
  10. https://www.avsforum.com/threads/difference-between-auto-and-pcm.875986/
  11. https://success.highfive.com/hc/en-us/articles/206290955-Samsung-Recommended-TV-Audio-Settings
  12. https://helpguide.sony.net/gbmig/C5311001/v1/eng/c_extsnd_digaout.html
  13. https://www.samsung.com/us/support/answer/ANS00062196/
  14. https://www.sony.com/electronics/support/articles/00012943
  15. https://www.samsung.com/ca/support/tv-audio-video/no-sound-tv/
  16. https://blog.filestack.com/thoughts-and-knowledge/audio-file-format-codec/
  17. https://www.quora.com/Is-PCM-or-Dolby-Digital-better-with-a-soundbar
  18. https://www.versitron.com/blog/optical-coaxial-and-hdmi-cables-what-is-good-for-your-audio-connection
  19. https://www.tvsbook.com/threads/what-is-the-difference-between-pcm-and-raw-in-the-audio-settings-of-the-projector.1081/

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