Optical Digital Audio Cable and Connection:
What Does an Optical Digital Audio Cable Do?
An optical digital audio association is utilized to send digital audio signals between gadgets.
It upholds uncompressed PCM sound system audio, and 5.1/7.1 Dolby Digital and DTS multichannel audio for individuals with encompass sound frameworks.
It does not help SACD, DVD-A, Dolby Digital Plus, Dolby Atmos, DTS:X or top notch audio, for example, Dolby TrueHD and DTS-HD Master Audio.
Look at my home theater glossary in the event that you don’t know what these are.
Does an Optical Audio Cable Send Video?
No, the optical association on your AV gadget is for digital audio only.
What Audio Formats Are Supported by An Optical Connection?
Optical audio associations uphold the accompanying audio designs:
Lossless 2.0 (sound system) PCM audio
Packed 2.0/5.1/7.1 Dolby Digital or DTS
When Should I Use an Optical Connection?
A typical inquiry that gets posed is, “Do I need optical audio on the off chance that I have HDMI?”
In the event that your AV gear has a HDMI port, at that point much of the time it is ideal to transfer the audio signals through HDMI. This is on the grounds that HDMI bolsters a wide range of audio signs and you can send all the video and audio signals through one cable.
In any case, on the off chance that you don’t have HDMI as an alternative, at that point an optical audio cable is a decent method to transfer the audio between gadgets. You will have the option to hear standard sound system audio and 5.1 encompass sound transmissions over an optical association.
Some more established gadgets with HDMI ports don’t uphold the transfer of audio by means of HDMI. Hence, this would be another instance where you could use this option digital interface.
Another normal use for this kind of association is for interfacing your TV sound to your speaker framework or soundbar.
On the off chance that you get your TV transmissions through an inside tuner or a savvy TV application, at that point you should get the audio into your home theater speaker framework.
Most present day TVs have an optical audio yield for this reason. You associate the optical audio yield on the back of your TV to an optical contribution on your AV collector or intensifier.
What Is the Maximum Length of an Optical Audio Cable?
An all around made optical audio cable should function admirably up to 5 meters. You may even find that you will get a decent sign at 10 meters or more. Notwithstanding, when you get to this length, at that point you are bound to run into issues.
It would unquestionably merit thinking about purchasing a better cable for longer runs.
Notwithstanding, remember that your gear will likewise affect this.
The gadgets incorporated into your equipment can shift in quality. You may locate that a few gadgets will work over a long cable run – while others don’t.
You may simply need to attempt it and see.
Optical versus HDMI Cable – Which Is Better?
Many individuals wonder which association they should use to send audio between their gadgets – optical or HDMI cables.
Right off the bat, do they sound extraordinary? No, they don’t.
In the event that you are sending a similar sort of audio design, at that point it will sound a similar notwithstanding on the off chance that you are utilizing optical or HDMI.
The primary advantage of HDMI over an optical association is that HDMI bolsters more audio designs.
Optical and HDMI both help uncompressed sound system – and 5.1 Dolby Digital and DTS audio.
Nonetheless, HDMI additionally bolsters Dolby Digital Plus, and high-goal audio like Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos and DTS:X.
Likewise, HDMI has the advantage of HDMI ARC and HDMI eARC associations. This is the place where you can send audio from a TV to a soundbar or AV recipient.