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In terms of how that signal gets from your TV to the audio peripheral, there are two options — HDMI ARC (or ARC for short) and digital optical. Digital optical: The old hat still fits It wasn’t until 2009 that the HDMI ARC protocol was added to the spec sheet. It was introduced as part of HDMI version 1.4 and has been part of the specification ever since. What is ARC? If you can, connect these devices to a HDMI 2.1 input. Not all TVs have one, but if it's available you'll get access to better features, such as 120Hz refresh rate, assuming your console and TV support it. What about older devices? Optical is made from glass strands which are converted into fiber optic. The production process is complex and, thus, costly. Signal, therefore, moves within the fibers in the form of light waves, unlike electronic waves in HDMI, which do not experience interference. Input Options
This means that one can only access 5.1-channel surround audio. This is not something to pout over because it is satisfying by most standards. However, Optical audio doesn’t offer sound profiles such as 5.1.2 or 7.1, or 7.1.2. Moreover, Optical audio doesn’t support Dolby Digital Plus, TrueHD, or DTS HD. This means all those high bitrate formats currently available on Blu-ray discs, 4K Blu-rays and some streaming services – Dolby TrueHD, DTS-HD Master Audio and object-based formats such as Dolby Atmos and DTS:X– will all be compatible. The TENDAK HDMI Audio Extractor comprises one HDMI input to one HDMI output, a 3.5 mm audio output and an optical output. Therefore, you can easily extract audio from an HDMI input source to your speaker or soundbar. That being said, you can still get non-object-based surround sound with an optical connection — up to 7.1 channels of Dolby Digital or basic DTS — but if you want to experience enhanced formats like Dolby Atmos, Dolby Digital Plus, Dolby True HD, or DTS:X, you need to use HDMI ARC or eARC. And if you happen to be into encodings like DVD-Audio or SACD, you need HDMI ARC for these formats, too. As part of the process, you should consider enabling HDMI CEC (Consumer Electronics Control), so you can turn your TV on and control the volume on your soundbar or amp without the need for multiple remotes. A word of warning, though: turning HDMI CEC on can have some unwanted AV side effects, so you might want to experiment first.
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Plenty of products other than TVs also offer eARC connectivity. Onkyo and Pioneer were the first to offer eARC updates on select AV products such as the Onkyo TX-RZ830, Integra DRX-5.2, Pioneer SC-LX502 and Pioneer VSX-LX503 AV receivers. Or perhaps your smart TV is using a built-in video app such as Netflix, Disney+ or Prime Video. Either way, you don’t want to use your TV’s speakers for audio – you’d rather hear everything played through a soundbar or AV receiver instead.
The majority of TV and AV products launched over the last few years support HDMI version 2.0, but HDMI 2.1 (which supports 8K resolution content and features such as ALLM) is becoming more common among modern TVs and AV kit. Simply put, if you have the option of using HDMI ARC (or eARC) between your devices, go with this option for the most optimized home theater experience. Performance you can see and hear Lastly, we then used the best headphones splitter to connect the base unit of the Sony WH-L600 Headphones to the audio out of the J-Tech Digital 4K 60 Hz HDMI Audio Extractor. We know it doesn’t sound simple, but once you do it, you’ll understand what we are talking about. Also, the 4K quality of the TV’s video did not get affected.
so assuming that the dac is equal in quality i would convert at the receiver. I could be mistaken, but my impression is that analog signals, especially unbalanced, low level signals, are susceptible to noise whereas digital signals, especially optical, are not. So you want to keep your analog signal path as short as possible. However, it is important to remember that this HDMI audio extractor does not work with Astro headsets. In conclusion, the OREI Audio Converter Extractor + ARC Support + SPDIF + 3.5mm Output HDA-925 is perfect for connecting a new 4K Smart TV with your old receiver to get excellent audio and video quality. However, you cannot connect this HDMI audio extractor to the HDMI ARC port on soundbars. That digital signal is known asSPDIF (Sony/Philips Digital Interface), and it can be sent along an optical cable as a beam of red light, or it can be passed from A to B over good ‘ol coaxial copper RCA cables if your equipment supports it. High-Speed Automotive HDMI Cable: This type supports the same features as High-Speed HDMI cables but is optimized for the automotive environment.
Might be I'm overthinking it all at the 'level' of equipment i have...so if you say 'just run what you have' I get it too... :) All this said, if you do have HDMI ARC on your TV and your audio device, our advice is to use that over optical. It’s superior, no doubt about it. Standard HDMI Cable: These cables are designed for common HDTV broadcast, cable, and satellite TV resolutions(up to 720p and 1080i) with a bandwidth capacity of up to 5 Gbps. It is optimized for HDMI versions 1.0 to 1.2a. In the case of the 4K Samsung Smart TV, we were looking for a way to connect our Bose QuietComfort 35 II Headphones to the TV without using the RCA plugs. Therefore, we plugged Roku’s HDMI output into the J-Tech HDMI audio extractor’s HDMI input, then connected another cable from the device’s HDMI output to the 4K Samsung Smart TV. HDMI ARC gives better sound quality than Optical and is the best option. HDMI ARC cable supports higher sound resolutions and video signals which an Optical cable can’t.If your TV can transmit two audio signals simultaneously, one cable can transfer videos and send sound. You may use the HDMI cables for video transmission and the Optical cable for the audio signal. In conclusion, the Tendak 4K HDMI to HDMI Audio Splitter and Optical Toslink SPDIF + 3.5mm Stereo HDMI ARC Adapter Converter Support is easy to set up and use. It works brilliantly with PS3/4 and PS4 Pro. Hopefully, it’ll work perfectly with the PS5 too (yet to test the HDMI audio extractor thoroughly with PS5, initial experience was good though). However, it does not support Astro headphones. SDI video connections are auto switching between standard definition SDI, 1.5G‑SDI, 3G‑SDI, 6G‑SDI and 12G‑SDI. SDI Video Sampling SMPTE259M, SMPTE292M, SMPTE296M, SMPTE372M, SMPTE424M, SMPTE425M levelAandB, SMPTE2081‑1, SMPTE2081‑10, SMPTE2082‑1 and SMPTE2082‑10
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