But this method will keep you from hearing some of the audio features on new Blu-ray discs with picture-in-picture and sound-mixing bonus features. Bitstream pass-through to a high-quality receiver or processor generally means that you’re going to get better quality audio and more control over parameters like bass management. Each method has its advantages and disadvantages. Actually, though, even if your system is capable of either form of decoding, the answer isn’t quite cut and dry. Which method you should use depends of course on what sort of gear you have or plan to purchase. The decoder is a single package that is capable of processing all DTS audio formats up to 5.1 channels and supports DTS Digital Surround, DTS Coreless.
#DTS DECODER HDMI SOFTWARE#
If your receiver isn’t capable of such decoding, your Blu-ray player may be able decode these formats itself, “onboard” in other words, and deliver the resulting audio as PCM audio to your receiver/processor via an HDMI, or via 5.1 channel analog audio connections. The DesignWare ARC Audio DTS- HD decoder (also known as DTS M6) software is an optimized version of the codec for the DesignWare ARC AS211SFX and AS221BD audio processors. This requires that your player and receiver/processor both be equipped with HDMI connections, and that your receiver/processor is capable of doing the decoding. “Bitstream pass-through,” as it's often called, means that your Blu-ray player delivers that unaltered data to your receiver or surround sound processor, which then does all the necessary decoding and digital-to-analog conversion itself.
#DTS DECODER HDMI FULL#
That way, it’s guaranteed that you’ll be hearing soundtracks on disc at full resolution, and experiencing enhanced sound quality from streamed movies and TV shows.Although Dolby TrueHD and DTS-HD Master Audio aren’t compressed in the same way that the original Dolby Digital and DTS formats are, they still reside on your Blu-ray disc in condensed form, a stream of bits, or bitstream, that has to be decoded properly before it can be amplified and sent to your speakers. Since your TV has a regular HDMI ARC port, I’d recommend that you connect sources such as a Blu-ray player, an Apple TV or Roku streaming box, and an Xbox or PlayStation game console directly to the Denon receiver. (The Sony XBR-65A8H OLED Ultra HDTV, for example, supports pass-through of both Dolby True HD and Dolby Atmos and DTS-HD Master Audio and DTS:X soundtracks.) The reason for this is that the HDMI eARC spec provides considerably higher bandwidth than the HDMI ARC spec, which is based upon the same S/PDIF specification used for optical and coaxial digital audio connections (which are limited to pass-through of lossy core 5.1 Dolby Digital and DTS bitstreams, and on some TVs to stereo-only output). Some newer HDMI ARC-equipped sets are also capable of Dolby Atmos pass-through via Dolby Digital Plus, though that capability isn’t as common, and the audio bitrate is limited compared to what you’d get with Atmos on Blu-ray or Ultra HD Blu-ray disc.Ī TV with an HDMI eARC port, in contrast, will be capable of full bitrate Dolby True HD and Dolby Atmos soundtrack pass-through, and some sets also support pass-through of DTS-HD Master Audio and DTS:X soundtracks. Most TVs with an HDMI ARC port can pass-through compressed Dolby Digital 5.1 audio to an A/V receiver or processor, and many also support pass-through of DTS soundtracks. Here’s my question: Will the Denon A/V receiver be able to decode both Dolby Atmos/Dolby True HD and DTS:X/DTS-HD Master Audio soundtracks that are routed to it from the TV’s HDMI ARC port, or do I need to connect sources such as an Ultra HD Blu-ray player and streaming box directly to the AVR to make that happen? - Andrew Last, via emailĪ While a TV with an HDMI eARC port should have no issue routing all manner of soundtracks to your Denon receiver for proper decoding, sets like yours with a regular HDMI ARC port - typically models built prior to 2019 - are subject to limitations, with soundtrack format pass-through largely dependent on the capabilities of the TV.
Got a tech question for Sound & Vision? Email us at My new Denon A/V receiver has an eARC (enhanced Audio Return Channel) HDMI connection, and my TV has a regular HDMI ARC connection.
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