HDMI Arc vs Optical vs Coaxial. What connection is best?
USA:
1:HDMI - https://amzn.to/2Lsw6DX
2:Optical cable- https://amzn.to/2Xh82Ln
3: Coaxial cable- https://amzn.to/2Nr5fe6
4: Aux to jack cable - https://amzn.to/37qxD5p
UK:
1:HDMI - https://amzn.to/2PBwu4U
2:Optical- https://amzn.to/2V7mCkw
3:Coaxial cable- https://amzn.to/3669DEb
4: Aux to jack cable - https://amzn.to/37hqjJ7
Choosing between HDMI, optical, and coaxial audio connections depends on your needs and the capabilities of your equipment. Here's a comparison to help you determine which is best for your situation:
1. HDMI (High-Definition Multimedia Interface)
Pros:
Audio and Video in One Cable: Transmits both audio and video signals.
Supports High-Resolution Audio: Capable of carrying high-definition audio formats like Dolby TrueHD and DTS-HD Master Audio.
Audio Return Channel (ARC): HDMI ARC (and eARC) allows the TV to send audio back to the receiver or soundbar without needing a separate audio cable.
Cons:
Cable Quality Matters: Older HDMI cables may not support all the features, like ARC or high-definition audio.
Potential for Compatibility Issues: Not all devices support all HDMI features, such as ARC.
2. Optical (TOSLINK)
Pros:
Good Audio Quality: Supports high-quality audio up to Dolby Digital and DTS 5.1 surround sound.
Immune to Electrical Interference: Uses light signals, which are less prone to interference than electrical signals.
Widely Supported: Commonly found on TVs, soundbars, and AV receivers.
Cons:
Limited to 5.1 Surround Sound: Does not support advanced audio formats like Dolby TrueHD or DTS-HD.
No Video Transmission: Only carries audio, so a separate video connection is needed.
3. Coaxial (Digital Coaxial)
Pros:
Good Audio Quality: Similar to optical, supports up to Dolby Digital and DTS 5.1 surround sound.
More Durable: Generally more robust and less prone to damage compared to optical cables.
Cost-Effective: Often less expensive than high-quality optical or HDMI cables.
Cons:
Electrical Interference: Can be susceptible to electrical noise if not well shielded.
No Video Transmission: Like optical, it only carries audio.
Which is Best?
For Best Audio Quality and Future-Proofing: HDMI is generally the best choice as it supports the highest quality audio formats and can carry both audio and video signals, reducing cable clutter.
For Simplicity and Compatibility: Optical is a good choice if your devices support it and you want to avoid potential interference issues.
For a Robust and Cost-Effective Solution: Coaxial is a solid option, particularly if you prefer a durable cable and are using it in a straightforward audio setup.
In summary, if your equipment supports HDMI with ARC/eARC, it's usually the best option due to its support for high-quality audio and ease of use. For simpler setups or older equipment, optical or coaxial can still provide excellent audio quality.