SPDIF optical digital audio and HDMI connections are your two main choices when connecting your AV receiver or soundbar to your source media. When hooking up your audio system for your computer, HDTV, cable/satellite box, DVD/Blu-ray Disc player, and so forth, you usually use an optical digital-audio connection or an HDMI cable since that can carry sound just fine on its own. Let’s now discuss the nitty-gritty of this article, which is how HDMI connections for audio use compare to the S/PDIF audio linkage standard. For the purposes of this article, we’ll be covering the audio aspect of HDMI connections and HDMI cables, since they’re capable of transporting uncompressed or compressed LPCM audio along with video formats, waveforms, auxiliary data, and VESA EDID implementations in accordance to EIA/CEA-861 standards. These devices could be any range of appliances, such as a digital audio device, AV receiver, digital television, HDTV, video projector, compatible computer monitors in lieu of VGA connections, and so forth.īecause it’s the current standard for HD streams and content that has outdone its peers DVI (Digital Visual Interface) and DP (DisplayPort), expect there to be a whole load of HDMI converters that allow you to play source media of an older vintage on an HDTV. It’s the de facto standard for the transmission of uncompressed video data and uncompressed/compressed digital audio feeds from a source media device that’s HDMI-compliant. High-Definition Multimedia Interface or HDMI is a propriety A/V interface and connection standard. Those formats require a larger amount of bandwidth than what S/PDIF can provide. It does have limits though, like its inability to support lossless surround formats. It also carries 2 channels of compressed 5.1 or 7.1 surround sound like the one found in the DTS audio codec or uncompressed PCM audio for the highest quality and clearest sound possible without any distortion, audible pop, or scratchy static whatsoever that is reminiscent of the sound you hear when you’re frying something in oil. S/PDIF also can be sent over Toslink optical connections.įurthermore, the standard is based on AES3 Interconnect. The most common connector used for S/PDIF is an RCA coaxial connector. SPDIF interconnects components in digital hi-fi systems such as home theaters with AV receivers. The signal is supposed to travel over a fiber optic cable with TOSLINK connectors or a coaxial cable with RCA connectors. Ostensibly, it was developed through the combined forces of Philips and Sony. It’s a type of digital audio connection standard used in consumer audio appliances and equipment for short-distance audio output. SPDIF or S/PDIF refers to the Sony/Philips Digital Interface. In particular, HDMI is fast becoming the de facto connection for soundbars, speakers, and AV receivers versus SPDIF or even TOSLINK the same way it took HDTV by storm. When it comes to SPDIF vs HDMI, it’s mostly a debate regarding sound connections instead of one concerning video connections. You can’t always default to using HDMI for everything, especially when SPDIF is instead available. HDMI cables are all-around devices that can outdo its SPDIF counterpart in certain respects, but you shouldn’t underestimate the value of a SPDIF connection either. Because HDMI cables can deliver audio as well as video, they’re also used for connecting media sources to AV receivers and the like, making it a viable competition against S/PDIF or SPDIF and optical/TOSLINK cables as well.
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