bitstream or pcm for soundbar

Published by on November 13, 2020

I have reviewed many posts in the A/V forums and other areas that don't seem to give a definitive answer. Bitstreaming on Blu Rays was fine (sound actually coming early which can be easily corrected using AV sync). If you select PCM even though you have a home theater system or soundbar connected, the sound system will only receive 2.0 channel sound and the result will not be multi-channel surround sound, even if the sound system is capable of multi-channel PCM audio. My setup consists of a PS4 Pro and Apple TV 4K into my LG C8 OLED both via HMDI and out to the Bose Soundbar via HDMI ARC (as there are no passthrough ports on the Bose Soundbar). Bitstream just means send the data to the next device. That'll sound the best. PCM is not better than Bitstream format in terms of quality. DTS or Dolby is your personal taste. I’m no audiophile but I just want the best sound possible for my setup. And does everything plugging into the TV then going to the soundbar make a difference? The processing will be done in the Logitech so choose the one that gives you surround sound. That's a lossless high quality signal in stereo format. JavaScript is disabled. I cant tell if this soundbar is 5.1 or what, but if its just a 2.1, go PCM from your PS4. Less wires too. With bitstream the sound system uses the speakers the source requires, but with PCM it will use all regardless, unless you manually change it. Usually when you set your TV audio type you either choose between PCM stereo or surround sound. Bitstream: Use this setting if you plan to have audio processed by a home theater system or soundbar, after passing through the TV. You must log in or register to reply here. Press question mark to learn the rest of the keyboard shortcuts. PCM transmits a two-channel signal over digital optical or coaxial. The PS5 supports 5.1 and 7.1 surround sound, whether you're using an AV receiver with dedicated speakers or a sound bar … I cant tell if this soundbar is 5.1 or what, but if its just a 2.1, go PCM from your PS4. For sonic quality I like to keep my audio digital (optical) and let the external device do the surround decoding, but in your case that means you are relying on Logitech control as far as selecting what MODE to play. How to Set Up Surround Sound for a Soundbar or Home Theater System. It's not a question of quality between the two. If you utilize Bitstream, then the AV receiver is performing the decode. Definitely keep the PS4 sound output as HDMI. Connect your console to your TV using the provided HDMI cable, and then connect your TV to your stereo receiver or soundbar using the TV’s optical (S/PDIF) out port. Bitstream would give you the best sound. Which is better? I cant tell if this soundbar is 5.1 or what, but if its just a 2.1, go PCM from your PS4. New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. If you set the Blu-ray Disc player to output audio as PCM, the player performs the audio decoding of all Dolby / Dolby TrueHD and DTS / DTS-HD Master Audio related soundtracks internally. For a better experience, please enable JavaScript in your browser before proceeding. Is PCM 5.1 achievable over HDMI ARC? My speakers say they support DTS and Dolby Digital. I … Bitstream is the technology that PCM used for its framework, but it doesn’t make it that much better or worse. That'll sound the best. By using our Services or clicking I agree, you agree to our use of cookies. PCM is what everything ends up as. Edit: if you want the PS4 to decode the signal, I believe that is what bitstream is. When I load a Blu-Ray you can bring a menu up within the film that asks you to pick between LPCM or Bitstream Direct? Although the below discussion focuses on bitstream vs. PCM … That next device will do the decode/conversion. Or does it need to be eARC? I also have a DVD player hooked up on passthrough to the TV via a soundbar. Using bitstream for your audio is better if: Would it sound best if I ran an optical cord from my PS4 straight to the soundbar as opposed to having the sound go into the TV and out the ARC port? Cookies help us deliver our Services. I couldn't get consistent sound out of them using my HDMI devices and my TV (so sound coming from the TV through optical) regardless of whether I picked Linear PCM (default) or Auto on the TV so I took the TV out off the equation by connecting the PS4 directly to the speakers, setting it to bitstream … In terms of sound quality, whether you set the Blu-ray Disc player's HDMI audio output PCM or bitstream doesn't matter. I just purchased a Bose Soundbar 700 and set it up and starting testing some blu-rays but I came across a couple of options that I’m not sure about. Apparently the ‘correct’ settings to use are uncompressed (PCM) for games … Is there a way the soundbar can do the decoding instead of the PS4? The choice to use bitstream for your sound system would depend on how you want it to work, and whether various configurations can give you an edge over PCM. … Or will it still just recieve the same compressed signal? The difference between PCM and Bitstream is in regards to the device utilized for decoding the compressed format to retrieve the uncompressed PCM data. That's a lossless high quality signal in stereo format. Does DisplayPort support encoded bitstreaming. It’s a 3.1 channel soundbar with rear surround speakers making it a 5.1 total. After the above I looked into the sound settings on the TV - QE49Q7 - and saw the options for PCM or Bitstream for input and PCM or Dolby for output. If its 3.1 or more, go bit stream, it might sound better that way (possibly clearer dialogue). The Bitstream package is where the PCM data was sourced from. I guess my question is what are the better settings? The Bose Soundbar only supports Dolby Digital and DTS Surround too. I would go Arc one Optical, it support much higher bandwidth than optical. edited 9 months ago. Which is best, sending PCM or bitstream from the player to the A/V receiver? Not clear if bitstream will come out as lossless stereo or not though, that's why I chose PCM. However, here is what happens when you choose either setting. Bitstream format – Once you’ve set HDMI audio or optical audio to Bitstream … If its 3.1 or more, go bit stream, it might sound … I don't know how good or flexible the Logitech controls are. In the PS4 Pro’s audio settings menu I can choose between PCM, Bitstream Dolby and Bitstream DTS? Then, it sends the decoded audio signal in an uncompressed form to the home theater receiver. Same sound quality through ARC as optical.

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