3.5mm Audio Jack - definition
A universally accepted lossless audio jack that has a diameter of 3.5 mm. More or less every mobile devices use this port to deliver the audio signal to pass on enhancements accessories such as an earphone or external amplifier system. To transfer the audio signal through a 3.5 mm jack, it needs to have three (3) separate terminals which are: Left Channel, Right Channel, and Center (Sleeve/Ground). A 3.5 mm audio port provides stereo channel audio output to the external devices if the audio source is stereo.
In smartphones, there are four (4) pins that take place to carry the mic (microphone) input to the smartphone as well. We have seen the smartphone earphone having 4 separate metal parts on the jack head, it’s called TRRS (Tip-Ring-Ring-Sleeve) where a standard audio-only 3.5 mm jack is known as TRS (Tip-Ring- Sleeve).
Also, there is another type of jack which is known as TS (Tip- Sleeve). TS can provide Mono (Single) channel output of any type of audio source. It combines the Left-Right channel and compresses the separate audio channel into one.
In smartphones, there are four (4) pins that take place to carry the mic (microphone) input to the smartphone as well. We have seen the smartphone earphone having 4 separate metal parts on the jack head, it’s called TRRS (Tip-Ring-Ring-Sleeve) where a standard audio-only 3.5 mm jack is known as TRS (Tip-Ring- Sleeve).
Also, there is another type of jack which is known as TS (Tip- Sleeve). TS can provide Mono (Single) channel output of any type of audio source. It combines the Left-Right channel and compresses the separate audio channel into one.
