Thursday, September 12, 2013

Whats the difference between ypbpr and hdmi?

blu ray player ypbpr
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iAndro!d


I heard HDMI is 1080p and ypbpr is 1080i but my TV says the HDMI is 1080i @60hrz the only diff I find is the HDMI is a little brighter more color I guess even tho my TV say both are 1080i is the HDMI still better


Answer
Component cables are capable of carrying a full bandwidth 1080p signal, so with all things being ideal, a component cable and a HDMI cable can bring you the same level of quality.

Component Cables

However, things are not ideal because support for that signal is unofficial: the CEA did not approve it as part of the standard.
Even if it had been approved, the Xbox 360 and PS3 could have supported analog 1080p, but not for AAC-protected content (i.e. it could work for a game but not for a Blu-ray). Hereâs a discussion about that.
Sonyâs own site says that their component cables only go up to 1080i, and I think they may have even constrained it in the settings menu. So, with a 1080p T.V it should be possible for you to get a theoretically better picture if you connect it to the PS3 via HDMI.

HDMI to DVI Cable

Hereâs the bigger picture though:


As others have pointed out, you canât beat the convenience of HDMI: One cable carries both the audio and video.
Some Blu-ray titles have encrypted/HDCP content that is not viewable in hi-video resolution except through HDMI. So HDMI instead of component frees you from that possible incompatibility.
Many Blu-ray titles offer really amazing audio via the latest audio codecs. They are better than traditional DTS and Dolby Digital because those were compressed and the back channels in 7.1 were matrixed.

The best of the newest ones like 7.1 DTS HD Master Audio give you discrete, uncompressed audio that will blow your mind if you have a good system and good earsâ¦and they need more bandwidth than the regular old coax or optical audio cable can offer. For those, you either have to have a Blu-ray player that converts them to analog and outputs them over 8 separate wires (which the PS3 does not offer), or (tada!) use HDMI.

Bottom line with all that background info: If you can get your whole system (surround audio, TV, PS3) connected via HDMI 1.4, youâll get the best possible sound and video and have the least possible compatibility issues.

Is there a real difference between HDMI and component cables?




Alex


I have a Sony Grand Wega LCD rear projector HDTV. I have digital cable installed and am running component cables from the HD-DVR to my television. Would I notice a huge difference if I switched from the component cables to a HDMI cable? I know that YPbPr is for analog signals and YCbCr is for digital signals, but I honestly don't know which cables I have.


Answer
Between an HD-DVR and an LCD HDTV such as your Sony Grand WEGA you probably wouldn't notice much of improvement in image quality if any.

If you're not using an HDMI or DVI-D interconnect between your video source and your display then you are using an analog YPbPr component video interconnect.

You're essentially correct that âYPbPr is for analog signals and YCbCr is for digital signals.â YPbPr and YCbCr are not âanalog component inputsâ; YCbCr is the COLOR SPACE FORMAT used for DIGITAL component video and YPbPr is the familiar color space counterpart for ANALOG component video. All digital video content on DVD-Videos, HD DVDs, and Blu-ray video discs is encoded as YCbCr component video.

Using an HDMI connection between a digital STB, DBS receiver, or DVD disc player, rather than analog YPbPr component connection, would indeed eliminate one digital-to-analog conversion step as well as âone less analog to digital conversionâ step when using a digital display such as a high-definition LCD TV or monitor. Compliant HDMI connections should invariably provide an advantage when using digital displays even if masked by other equipment-related image quality shortcomings.

HDMI is currently positioned to become the preferred digital interconnect for consumer audio-video equipment though, as mentioned, compatibility issues do remain.

Aside from the issue of audio or video quality, using HDMI-HDCP compliant connections should mitigate potential problems that may arise in the near future when ICT enabled HD video content becomes more commonplace (ICT enabled HD video content is inevitable.)

The HDMI specification also provides for a Consumer Electronic Control (CEC) bus on CEC enabled equipment, which is intended to provide enhanced interoperability. This allows HDMI-CEC enabled A/V equipment to automatically communicate with each other across a compatible system. This provides the ability of âplug & playâ auto-configuration with the potential to minimize the number of remote controls as well as the overall number of key-presses required to execute various control functions. (The downside is that the HDMI âplug & playâ auto-configuration may not always provide the best possible equipment configuration. This is more an issue of a manufacturerâs implementation of HDMI-CEC than a shortcoming of the HDMI specification itself.)

The enhanced audio and video features supported by the use of HDMI 1.3a compatible A/V equipment are as follows:

   ⢠Preserve the full, unaltered transmission of the new lossless Dolby® TrueHD and DTS-HD Master Audio⢠compressed digital surround sound formats between compatible A/V receivers, A/V pre-amplifier/amplifier combos, or A/V control centers and compatible A/V sources. (Note: Onkyo has just released a couple of new A/V receivers* that support HDMI 1.3a, Dolby® TrueHD and DTS-HD Master Audio⢠decoding);
   ⢠Lip Sync - automatic audio/video syncing capability (helpful whenever a large quantity of video processing occurs in 1.3a compliant A/V equipment);
   ⢠Deep Color⢠- 30-bit, 36-bit and 48-bit (RGB or YCbCr) color depths; a larger color palette eliminates on-screen color banding for smoother transitions between colors;
   ⢠Extended color gamut (IEC 61966-2-4 color standard) "xvYCC" support. ("xvYCC" is an abbreviation for extended-gamut YCC color space for video applications.)

Though not a 100% guarantee the best assurance of HDMI compatibility, along with the potential to offer the highest quality of audio and video performance, is to purchase A/V hardware that is certified as SimplayHD, SimplayHDT, or is certified by a third-party HDMI Authorized Testing Center (ATC) as fully compliant with the HDMI specifications.
 




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