March 24, 2023
What is an AUX cable?

What is an AUX cable?

AUX cable is a one-to-one audio cable that has a 3.5 mm audio jack on both sides. The AUX cable is used to play TV audio from a home theater or audio connection between a mobile phone, tablet or laptop to a car radio. This means that if your favorite song is in the phone and your car radio has an AUX input, you can simply listen to that song from the car band with the AUX cable.


AUX cable components

Audio channels have two modes, mono and stereo. In mono mode, all sound is produced in one speaker. But in stereo, the sound is split between the two speakers and a better sound is produced.

The AUX cable is capable of transmitting two audio channels. This means it can transmit stereo sound. Inside the AUX cables there are three wires, one for the left channel, the other for the right channel, and the last one is shared between the left and right.


What does mono and stereo sound mean?

Mono sound, also known as monophonic, is the oldest and simplest way to record and play back sound. In it, all the different audio signals are combined to form a single audio channel, hence the name mono (single or single).

Monophonic audio recording is usually done using a single microphone, but more than one speaker may be used to play the sound. It is important to note that although multiple speakers can be used in the output, they all produce the same sound because only one channel is used in the recording. Multi-channel audio signals can also be combined to form a single channel to provide a mono output.

Monophonic systems can still have full audio bandwidth as well as “Wi-Fi” or sound with the highest degree of resemblance to the original. These systems can record and reproduce a very high amplitude and high quality audio signal. However, due to being the only channel, the mono audio signals have no surface differences or change during the input or phase of different audio frequencies. Because of this, mono sound systems are virtually incapable of replicating the sensation of hearing the depth of sound and perception created by the 3D state of the real world.

An important feature of a monophonic system is that all speakers produce or output the same sound. In a well-designed mono system, the speakers are able to play the same sound levels. This can prove its superiority in some specific applications such as public address (PA) systems (a mechanism for amplifying sound for the general public or large area), radio panels, and so on. Cheaper gadgets and the implementation of monophonic technology are also widely used in single-speaker applications such as telephones, cell phones, hearing aids, and so on.

Stereo sound:

Stereo sound is a relatively new technology. Since its initial design, it has replaced mono sound technology in most applications.

Stereophonic systems have two independent and separate audio signal channels. The sound signals produced in these systems have a special surface and fuzzy relationship between them. This allows stereo systems to more accurately simulate the actual recording environment in sound reproduction.

Stereo recorders usually require more than one microphone. The location of each of these microphones is crucial. For optimal audio recording, it is necessary to cover the entire recording area and each audio source needs to be given the same priority while being divided into two stereo channels. This makes stereo recording much more complex than mono recording.

Similarly, the recorded stereo sound needs to be completely divided into two channels, both of which are used in the output speakers of stereo systems. This results in a good stereo output system, which is much more challenging than the mono output system.

In a stereo system, each speaker apparently produces a different sound. The listener realizes this difference because, unlike mono systems, stereo systems produce and output different audio channels through different speakers. This allows you to create a realistic image of the original recording in front of the listener, which is useful when playing live recordings of live performances. The listener will be able to visualize the positions of different instruments on stage through the different sounds heard from the stereo speakers, which significantly improves the listening experience. While listening to pre-recorded music on stereo systems also enables the user to have a greater understanding of sound depth.
Hence, these systems are used exclusively for both recording and playing music and sound in movies.


The last word

The term AUX stands for AUXiliary, which in most cases means auxiliary, for example, you have all heard of auxiliary gear. In English it is called Auxiliary Gearbox. The same goes for the AUX cable. It is written as AUX and its correct pronunciation is to express 3 letters separately. That is, in the form of “AUX”.


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