From what I understand, if you … BUT when I use Linear PCM (or even Bitstream DTS), I don't hear things that are behind me in games in my rear speakers. If I remember correctly DTS bitstream is actually slightly higher bandwidth compared to Dolby Bitstream. Use PCM if you are just going to use plain TV speakers. - GTA V seems to "only" have a 5.1 mix even when set to lpcm. Is Bitstream Dolby doing some sort of post-processing "simulation" to place sounds through my speakers, and is Linear PCM playing the purest form of audio, the way the games are supposed to be playing their respective sound? PCM will decode the 7.1 or 5.1 core only and bypass the Atmos encoding. Im setup similar and the max quality I can get to pass through ARC is Dolby Digital+ (which isn't a PS4 output option). nothing else why? Alguns deles não sabem o que são Bitstream e PCM e … 1. New comments cannot be posted and votes cannot be cast. While lossess is actually better quality, some people can not hear the quality difference and actually prefer Dolby Digital because it kind of over samples everything more than it should. Brb, changing my configuration. the4thstooge (Topic Creator) 7 years ago #5 The sound settings menu on PS4 has an option called "sound output (priority)" or something like that. MGSV the Phantom pain STILl uses 16bit 44.1khz and prev gen games mostly used 16bit 44.1khz sound formát! In the Dolby/dts bitstream the sound bar will do the decode so you can get all the channels. Wybór jednego bądź drugiego sprowadza się do wyboru które urządzenie ma rozkompresowywać ścieżkę dźwiękową. The reason bitstream sounds better to you may be because setting it to PCM forces the sound to stereo on the PS4 side. Witam uprzejmie Ostatnio włączyłem Titanic na DVD poprzez PS3 z ustawieniem Bitstream. So i set the PS4 to Bitstream (DTS) and let my receiver upmix the sound to 7.1 which works quite well. Pcm is the more "pure" unencoded and bitstream is encoded. The TV can be set to output DD when using the TV's built in apps for viewing, and there is no audio delay to the soundbar. This will ensure that you are getting the properly coded audio from what ever game you are playing. Edit: OK. Bitstream and PCM are capable of producing the same audio quality, and the only difference is how your setup decodes the compressed file. When configuring an audio system for the first time, many individuals opt to compare PCM vs Bitstream. But while playing No Man's Sky tonight, the speakers on my Yamaha 5.1 receiver would start intermittently losing sound. It also causes my Apple TV to get stuck in a turning on, turning off, and over and over again loop. Dolby Digital and DTS are compressed bitstream formats, originally designed for disc media and were designed to work over a older coax digital (S/PDIF) or optical (TOSLINK) interace, though they can also be transported over HDMI too. Your hub for everything related to PS4 including games, news, reviews, discussion, questions, videos, and screenshots. As far as the drop outs go, there is actually a problem with a couple PS4 games for some reason they were having an issue with random drop outs or static when set to Bitstream. - Driveclub has a proper 7.1 mix but it doesnt send much engine noise to the rear speakers only tire squel, gravel and collision sounds. The largest PlayStation 4 community on the internet. I had the same issue in the game Until Dawn but have never had it another game. Set your PS4 to Linear PCM and set your receiver to out put in multi-channel. If you want uncompressed audio the ps4 would need to run through the AVR. Et je ne sais pas lequel utiliser. I believe Bitstream allows raw decode of audio data while PCM uses some form of transformation/compression to decode. I view Blu-ray and DVD discs about 50/50; certainly Blu-ray when available. The PS4 can encode DD and DTS 'on the fly' if you are just using an optical output. If PCM is selected, the PS4 takes over the audio decoding of the sound material and passes it to the AV receiver, which usually outputs it to the speakers unchanged with the specified number of channels. Falls das PCM-Signal also nur ein Stereosignal ist, kommt auch nur Stereo raus. When all I wanna do is turn everything off. OH boy, the TV can ONLY output PCM 2.0 AT BEST to that with PCM mode. But while playing No Man's Sky tonight, the speakers on my Yamaha 5.1 receiver would start intermittently losing sound With different options on your TV, choosing between PCM, bitstream, and Dolby can be confusing. Unfortunately I cannot use this set up any longer as my receiver won't pass through 4K HDR signal. I've been reading up on PCM and bitstream and, as usual, you always find conflicting opinions on the Internet. Where do you mean to set HDMI as main output? I have an Onkyo TX-SR608 AVR and an LG Blu-ray player capable of decoding DTS and Dolby lossless audio. For the life of me, I can't figure out why a raw PCM signal with 5.1 is not decoded properly. It's uncompressed and there should be no additional processing required. So when set to BITSREAM you are actually not getting full HD sound. No idea why it might be suddently failing but I wouldn't worry about it and just use Linear PCM as your system supports it. No difference. On the PS4 in audio settings? But using ARC HDMI forces me to use HDMI CEC, which I hate because it makes the TV automatically switch to other sources when, say, I turn the PS4 off. The PS4 can encode DD and DTS 'on the fly' if you are just using an optical output. Bitstream for gaming is limited to Dolby Digital or DTS on the PS4. służą do kompresji dźwięku, PCM natomiast to postać nieskompresowana. Either way, as lovinthehd said, it wounds pretty terrific. Try finding a new receiver so you can have the PS4 feed the HDMI to the receiver first, and then from receiver to the TV. You must first configure your PS4 to: Output bitstream audio for games and video playback. Output audio via HDMI, and ensure that the "Audio Format (Priority)" is set to "Bitstream (Dolby)." Curiosamente, a maioria das pessoas não tem uma idéia clara de fazer uma escolha entre PCM e Bitstream. Bitstream re-encoded for Dolby/DTS will almost certainly do the same thing and give you just the core. Wenn das Signal ein 5.1-Signal ist, kommt auch 5.1-Sound raus. Both Dolby and DTS bitstreams should work. Compatibility with devices and supported frequencies are bigger factors to consider than sound and transmission when choosing between PCM and bitstream. Doesn't matter if I bypass the the tv. Introduction to Bitstream. A place to discuss all things PlayStation 4 Pro (formerly PlayStation Neo). I'm using PCM also on my PS4. Linear PCM is the PS4 decoding the audio stream. Otherwise use Bitstream for surround sound decode for your setup. Procedure. Bitstream is the Receiver decoding the audio steam. ARC is not the same as HDMI audio. Dialogue on some movies is really low with Linear PCM. Setup is a bit odd, so I was wondering which one I should stick with. Well, it's just a data file you can call it PCM data file but when it's just referred to as PCM misunderstandings happen (and the thing you have to understand is that going from analog to digital isn't 1 to 1, going from digital to analog is though so in a broad general sense PCM is … 3718 posts Uber Geek # 238276 10-Jul-2018 11:36. Ah got it. Linear pcm is uncompressed/decoded but will be too high bandwidth to pass through optical. Wychodzi na to że wszystko zależy od urządzenia końcowego jakim w moim przypadku jest powyższy soundbar. Interestingly, most of the individuals don’t have a clear idea of making a choice between PCM and Bitstream. Any help would be appreciated, thanks! From the Settings menu, select "Sound and Screen". Back in the early days of lossless audio, the PS3 could not send the bitstream audio stream of Dolby TrueHD to the receiver but Sony implemented decoding in the PS3 and output LPCM. If it was coded in 5.1/7.1 that's what you will get. Make sure you have set HDMI as your primary output or else you'll just get stereo through it - which might be why you think that the surround effect has degraded. 3 in other words is dont matter if you play DD,(640kbps) DTS(1500kbps) or PCM because video games sounds are very compressed in RAW formát. Introduction to Bitstream. PCM oznacza Pulse Code Modulation. not sure if your cables and setup will work the same, but my 5.1 setup is ps4 into tv and reciever to TV through ARC hdmi, DTS bitstream is the only way I can get the surrounds to work. Not really, 1, DTS and PCM both are same for games only DOLBY DIGITAL is bad(lower quality) and the only difference is the low freq/ SUB. It could be that your amp is getting the stereo signal over HDMI and applying Pro-logic decoding which is producing a pseuo-surround effect. Some argue that when PCM is selected, the PS4 encodes the audio and when Bitstream is selected, the PS4 sends raw audio to your receiver so that your receiver can encode it. Could be wrong but i think but stream doesn't work with some applications. Częstotliwość próbkowania takiego zapisu wynosi 44.100Hz. 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 so the speakers use the speakers … DD and DTS bitrate is way batter than any raw sound from video games. I have ks8500, Pro hooked to one connect mini and then Arc to receiver. Mam 5.0 z serii JBL ES oraz Onkyo TX-SR606. My speakers say they support DTS and Dolby Digital. What's better? If you go with bitstream, it's POSSIBLE that the TV MIGHT output Dolby Digital(NOT TRUE HD) OR DTS(NOT DTSHD), some TV's Optical PASSTHROUGH strips out codecs, so it might give you some raw bad format. The real issue is getting it through the optical cable. Some of them aren’t aware of what Bitstream and PCM are and why should they choose one over the other. Nie potrafię nigdzie znależć czy ten soundbar bez problemu radzi (dekoduje) sobie z dźwiękiem przesyłanym w formacie PCM. It might depend on what your tv can pass along. Tutorial sobre cómo configurar el audio de manera correcta tu Ps4 o Ps4 Pro para escuchar en Receiver o Barra de Sonido Bitstream to prawie to samo, ale dotyczy innych formatów dźwięku, takich jak np. So, bottom line is, with the PS3 set the audio output to "Linear" when using an HDMI cable. Set HDMI as your main output and the LPCM will be multi-channel. I don't know if you ever got this figured out, but here is the reason. Wut? My set up is ps4 pro connected to TV and TV to the speakers via ARC HDMI. Bitstream means don't touch the source and send signal as is. I'm 90% sure linear pcm is too high of bandwidth for a multi channel signal in optical, so you need to use the encoded Dolby/dts bitstream to transmit and then unpack at the sound bar. I always thought it was the other way round. It's a real pain. Use PCM if you are just going to use plain TV speakers. Press J to jump to the feed. Je m’explique, on me propose PCM ou BitStream Dolby. Again, that PCM signal will be downmixed to a 2.0 stereo signal. As for bitstream versus LPCM there is really no difference. We use cookies on our websites for a number of purposes, including analytics and performance, functionality and advertising. Bitstream oznacza wypuszczenie dźwięku w postaci źródłowej z płyty.Wszystkie kodeki wyszczególnione powyżej (DTS/Dolby itd.) Thanks to everyone who replied, was a bit confusing. Zapewne chodzi Ci o cyfrowe wyjście z DVD. Under audio options, there is an option for either uncompressed or Bitstream. There is a simple answer to this. So after trying to figure out why this was suddenly happening (tried turning receiver on/off, tried turning PS4 on/off, tried turning TV on/off, problem still pops up), I tried switching the audio to Linear PCM, and the problem goes away. I hear SOME audio (music, and sometimes ambient sounds) in my rear speakers, so I know they're working. So I have two questions – QUESTION ONE: does anyone know why this could possibly be happening? W surroundach nie było dźwięku, przełączyłem na Linear PCM w PS3 i jest już dźwięk. Same situation. 3. What model Yamaha? Random, but you know whats weird, Dark Soul 3 and Doom(Bethesda games) have less normalization in them(louder at much much lower volumes) I don't know why but it's something I've noticed. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Press question mark to learn the rest of the keyboard shortcuts. 2. In terms of sound quality, whether you set the Blu-ray Disc player's HDMI audio output PCM or bitstream doesn't matter. PS4 is connected to the TV via HDMI and the 4.1 Samsung Soundbar system is connected directly to the TV via Optical cable. I m very confused about the new Bitstream HDMI audio option along with the Blu-ray Bitstream pass through options on the new Xbox One X. I personally use Bitstream so … 3 for 7.1 the only option is PCM. I've got a Samsung 4k TV and had to rearrange everything just like you to have the 4k HDR signal. Playback the disc and while it's playing, press the That means the player will send out the audio signal exactly as it is, and leave it up to your receiver to do all of the decoding. I think I have the same set up as you. 2 because every game sound is made for DVD quality if you extract the data from games like outlast2 or any UE games or other games, its STILL use 16 bit 48khz 100-200kbps. Yamaha will not play more than stereo via hdmi. We use cookies on our websites for a number of purposes, including analytics and performance, functionality and advertising. You're going to want Dolby/dts bitstream. PCM means decode the source and send it as a raw PCM signal. Dolby Digital and DTS are compressed bitstream formats, originally designed for disc media and were designed to work over a older coax digital (S/PDIF) or optical (TOSLINK) interace, though they can also be transported over HDMI too. Ok guys, Some feedback from the techies among us would be appreciated.. However, here is what happens when you choose either setting. Bitstream unprocessed. I already have it set as HDMI, not Optical. Pytanie, jak to możliwe? Dolby Digital lub DTS. New comments cannot be posted and votes cannot be cast. Do soundbara podlaczony jest TV (Samsung 7472) po HDMI ARC a do TV dekoder UPC Horizon i PS4 PRO. Linear PCM (over HDMI) is the 'native' format of the sound generated by games. I used to have ps4 hooked into my audio receiver and then PS4 set to PCM and that would send a 7.1 lossless sound. The Audio Return Channel has much less bandwidth and as such can only fit Stereo. TV is set to bitstream via hdmi. Looks like you're using new Reddit on an old browser. In the sound settings of the PS4, the user can now choose between Linear PCM and DTS (Bitstream) and Dolby Digital (Bitstream). Now i notice in the settings it gives me option for Linear PCM, and Bitstream (Direct), and Bitstream (Mixed). Arc uses SPDIF which is limited to compressed 5.1(DOLBY DIGITAL) or Uncompressed Stereo(PCM). I believe Bitstream allows raw decode of audio data while PCM uses some form of transformation/compression to decode. Yeah in theory but for some reason recent Yamaha receivers won't do this. Not lossless. Basically, this PCM vs Bitstream comparisons article will cover the information that helps to differentiate PCM from Bitstream. In the case of the Sony® Playstation® platform, both the PS3™* and PS4™ are capable of performing bitstream pass-through of Dolby formats when content is played back from a Blu-Ray disc™. Ao configurar um sistema de áudio pela primeira vez, muitas pessoas optam por comparar PCM vs Bitstream. Select "Audio Output Settings". Otherwise use Bitstream for surround sound decode for your setup. This feature may not be enabled by default, but the following instructions will show you which system settings to set to enable this feature. I have reviewed many posts in the A/V forums and other areas that don't seem to give a definitive answer. Jest to typ zapisu cyfrowego audio na płytach CDDA, czyli zwykłych audio. With the set up like this choosing PCM does force the sound to stereo for some reason but choosing bitstream will send a surround sound to the receiver via TV ARC. Press question mark to learn the rest of the keyboard shortcuts. I got it wrong. PCM is not forcing anything to stereo - ARC over HDMI is. And QUESTION TWO: after extensive Google searching, it seems the consensus is that Linear PCM is best for HDMI/5.1/7.1 sound for "lossless" audio, but why is it that Bitstream (Dolby) sounds "best" to me – and I mean "best" because in most games, using that setting has a more "real" surround sound effect. So up until tonight, my launch PS4 Pro's audio setting had been set to Bitstream (Dolby), since it sounded the best to me. In terms of sound quality, whether you set the Blu-ray Disc player's HDMI audio output PCM or bitstream doesn't matter. Mon casque est en Dolby 5.1, et peut faire du 7.1. So, I stumbled across the above settings in the PS4 audio menu 'Bitstream Direct / Linear PCM'. Which is best, sending PCM or bitstream from the player to the A/V receiver? D'après ce que j'ai compris, le PCM est de meilleure qualité, pas compressé, sauf que, lorsque je passe en bitstream, mon ampli reçois bien des signaux DD, DTS, DTS HD ou DD TrueHD, et ce jusqu'en 7.1, mais en lisant les infos sur le net, d'après les différents avis, ce ne serait pas un vrai 7.1 ou alors en qualité limitée.