The problem with bitstream starts when the program relies on secondary audio settings. Definition. Since you are using ARC, you are looking at the limitation being the TV's HDMI IC and the supported bandwidth of the ARC channel on the HDMI IC.

It works well with analog and digital input, making it the most popular option for transmitting audio signals.

PCM – outputs the stereo channels in stereo and the 5.1 channels in stereo Dolby Digital – outputs the stereo channels in some kind of fake surround sound and the 5.1 channels in 5.1 RAW – seems to do the same thing as the Dolby Digital setting. Although the below discussion focuses on bitstream vs. PCM with regards to Blu-ray Disc players, the same information can also be applied to Ultra HD Blu-ray Disc players.

Since PCM is an algorithm, it won’t matter whether you’re sending compressed or uncompressed audio files. It needs to be compressed to send 5.1 ... so it is encoded in either DD or DTS, rather it is left encoded that way. Maybe I was being a bit obtuse referring to PCM signals as opposed to .wav formats. The issue then becomes the support for multichannel PCM and this is where the belief in HDMI versions will catch you out.HDMI versions, though no longer used to refer to HDMI products, only list what COULD be done (as in, what is possible)and not what is ACTUALLY done ( as in what is actually implemented in the devices we use).

Therefore having a 100% true NEO:6 output via an AVR if you have your AVR set to output NEO:6?

I find it very hard to notice the difference between Dolby digital and TrueHD as well.

What Does DTS Mean in Home Theater Audio? The choice depends on how you want to configure your sound system and where you’re planning to use it. PCM transmits a two-channel signal over digital optical or coaxial.

Probably says in one line what I was trying to get at in too many words. There are some beautiful digital works too but not as many IMHO that approach or go beyond the technical barriers. The point is that changing audio output on tv to PCM shows only 2 channels on the receiver. 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. It should also be noted that optical/coaxial digital cables cannot transfer Dolby Digital Plus, Dolby TrueHD or DTS-HD Master Audio as a bitstream or PCM – HDMI is required. I think that is why some very old records can sound way more enjoyable than more recent digital recordings.

There are dozens of different factors that you need to consider, and, sometimes, you might have to compromise one feature over the other. You want a faster and direct connection that minimizes latency for output. I am confused – should PCM carry all channels by default yet provide a better quality as an uncompressed protocol? Since PCM transmits large audio files, you’ll need to use a physical connection to transfer data from the player to the receiver efficiently. 7.1 vs. 7.2 Surround Sound in Home Theater, Passive Soundbars Explained (With Pros and Cons), Subwoofer Crossover Settings – The Definitive Guide. Audio File Format- WikipediaThere is one major uncompressed audio format, PCM, which is usually stored in a .wav file on Windows or in a .aiff file on Mac OS. My first point is a bit different and it is that very little audio content will benefit from being created and played at PCM level anyhow. @40559431 hughjorgenn writes...No PCM is transmitted. Requires a high-quality receiver to achieve better results. Tuner, media player (smat hub etc). You wouldn't compare WAV to PCM as such, it's like comparing a cup to the water inside it. SPDIF - was designed in the 1980's for 2 channel audio with PCM delivery, it evolved into being able to carry bitstream and 5.1 multi-channel audio if compressed (Dolby AC-3 was born). Hi All, I have Samsung TV F8500 connected to Yamaha RX … ARC is limited to the same audio types as Optical, so DD, DTS Core and 2.0 PCM only, Samsung TVs with Neo2:5 are basically doing a pro-logic transform in the TV, it's not real 5.1 sound. You’re looking for a way to unlock high-quality secondary audio. 5.1 support over digital optical or coaxial.

Put another way, Nyquist's Theorem basically states that you cant get any better digital representation of the analog signal by increasing the sample rate. You would be familiar with this concept in recorded audio, people fine tuning their audio systems hoping they can accurately reproduce the sound of a trumpet in a room from a recording on a CD or vinyl (or whatever medium) are in an awkward psychological position. As a result of this setup, the player does all the work, providing you with untethered access to secondary audio, which is responsible for descriptive audio, audio commentaries, and supplementary audio tracks.

Better audio output is possible if you’re using bitstream, but it’s not always the case. Transmission requires much higher bandwidth to reduce quality degradation with better output.

PCM and bitstream may seem very different in terms of the formats that they can produce, but both of these two configurations are capable of delivering high-quality audio.

Almost every device that converts digital to an analog audio output, and vice-versa, uses this technology to deliver audio files.

Jessica Kormos is a writer and editor with 15 years' experience writing articles, copy, and UX content for Tecca.com, Rosenfeld Media, and many others. Finally, both PCM and bitstream need to convert audio files to analog before your speakers can produce the output that you need. The reduced data rate is supported by the ARC. Players convert analog signals to digital and vice-versa for transmission to the receiver. I would decode on the receiver, but that's just me. Data can be written in PCM, IEEE 754 or ASCII. I have extracted the first and last entry. My question is – why does it pass 5.1 only when the output audio is set to DD or DTS? Some are at the limits of technological development and many more are due to human error like failure to make the best out of the superb technical possibilities that are available. Actually, my Samsung F8500 passes 5.1 via HDMI ARC – I've checked it on numerous Netflix 5.1 sources. You’re using a receiver that offers better audio processing power. No PCM is transmitted. Given HDMI and the strong relationship with DRM ... perhaps the 3rd reason for not outputting all uncompressed PCM channels becomes more apparent. It means that your player will decode all the audio files, including Dolby, Dolby TrueHD, DTS, and DTS HD Master Audio. There are a number of factors that should go into your choice, including the quality of your Blu-ray player and audio receiver. Originally developed by Dolby Stereo Digital in 1994, Dolby Digital is an audio compression technology. Home Theater Academy is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Dolby Digital and DTS are ways of encoding digital representations of audio which can be decoded into PCM, which quite often happens in your AV Receiver. Since LPCM uses an uncompressed storage method which keeps all the samples of an audio track, professional users or audio experts may use the WAV format for maximum audio quality.

Regarding the first comment nothing followed so I don't know where to constructively reply. You want to take advantage of 5.1 surround sound when using digital optical or coaxial. You want to relieve your receiver from the burden of converting audio files. Welcome to Home Theater Academy, my blog. Higher-end receivers may include a post-processing feature that converts the signal from digital to analog, making it possible to amplify the audio for better output. It is just a much higher sample rate. Hope you find the information useful. I'm not sure how we, well ... you, started talking about the recording process though ?

Transmission of audio streams can be wired or wireless, as long it's from a compatible media player.

Leave the output as Dolby. This is also before the audio is put on the disc or in the stream for you to use. It’s important to know which of these two is better because getting the right configuration for audio helps in getting more from your sound system.

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