First- to the admins- not sure if you can combine all threads under this. I want to post a final solution since so many people have questions about this!!
Okay to finally clarify this issue for all.
In all of the following explanations- imagine that the tip of the plug is facing right.
The standard 3.5mm headphones (no in-line controls on the cable) use the configuration of (from left to right)
TRS- Tip, Ring, Sleeve. The pinout for these connections is: Left Audio, Right Audio, Ground.
Connection types for headphones with a mic (and newer ones with volume control) are configured in
TRRS- Tip, Ring, Ring, Sleeve.
On TRRS there are 2 types-
1. The original TRRS configuration was created by Nokia and has a pinout of Left Audio, Right Audio, Mic, Ground.
Apple came along and in typical elitist fashion changed their pinout to Left Audio, Right Audio, Ground, Mic.
This is why many apple headsets will not work with android, because the last 2 connections, for Mic and Ground are switched. The issue is with the hardware.
The way that songs are skipped (forwards, backwards, and pause) occurs by sending signals down the ground channel (when you tap the button it shoots an electrical signal that the phone will pick up and interpret).
The way that volume is increased/decreased occurs by sending signals down the Mic channel.
This is why- if you try a set of newer iPhone earbuds on the GSIII- as I have- the center button does nothing, but yet the volume up and volume down both pause tracks, and allow you to skip them!!
Additionally, Apple has patents on their TRRS connection- in fact on the resistances (the actual ohm resistance in-line on the controls- not to get scientific or anything) so that the headphones are designed to work only with Apple products. In other words- you could have a device with the same TRRS Pinout as apple products- but the headset wont work because the resistances (ohms) of the headphones send signals that your phone is not allowed to interpret into the correct actions (since apple patented these)
Hope this clarifies things up a bit
Okay to finally clarify this issue for all.
In all of the following explanations- imagine that the tip of the plug is facing right.
The standard 3.5mm headphones (no in-line controls on the cable) use the configuration of (from left to right)
TRS- Tip, Ring, Sleeve. The pinout for these connections is: Left Audio, Right Audio, Ground.
Connection types for headphones with a mic (and newer ones with volume control) are configured in
TRRS- Tip, Ring, Ring, Sleeve.
On TRRS there are 2 types-
1. The original TRRS configuration was created by Nokia and has a pinout of Left Audio, Right Audio, Mic, Ground.
Apple came along and in typical elitist fashion changed their pinout to Left Audio, Right Audio, Ground, Mic.
This is why many apple headsets will not work with android, because the last 2 connections, for Mic and Ground are switched. The issue is with the hardware.
The way that songs are skipped (forwards, backwards, and pause) occurs by sending signals down the ground channel (when you tap the button it shoots an electrical signal that the phone will pick up and interpret).
The way that volume is increased/decreased occurs by sending signals down the Mic channel.
This is why- if you try a set of newer iPhone earbuds on the GSIII- as I have- the center button does nothing, but yet the volume up and volume down both pause tracks, and allow you to skip them!!
Additionally, Apple has patents on their TRRS connection- in fact on the resistances (the actual ohm resistance in-line on the controls- not to get scientific or anything
) so that the headphones are designed to work only with Apple products. In other words- you could have a device with the same TRRS Pinout as apple products- but the headset wont work because the resistances (ohms) of the headphones send signals that your phone is not allowed to interpret into the correct actions (since apple patented these)Hope this clarifies things up a bit
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