TRS Plug Pin out:

            _____________________________|##
     /---\_/ |       |                   |####
    | TIP _  | RING1 |        SLEEVE     |####}========>
     \---/ \_|_______|___________________|####
                                         |##


    TRS Receptacle Pin out:
    _____
    TIP  \_/                          |||
                                      |||
                 _                    |||
    ____________/ \                   |||
    RING1                              |
    ___________________________________|
    SLEEVE

    TRRS Plug Pin out:

            _____________________________|##
     /---\_/ |       |       |           |####
    | TIP _  | RING1 | RING2 | SLEEVE    |####}========>
     \---/ \_|_______|_______|___________|####
                                         |##

    TRRS Receptacle Pin out:
    _____
    TIP  \_/                          |||
                                      |||
                 _      _             |||
    ____________/ \    / \            |||
    RING1             /                |
    _________________/                 |
    RING2                              |
    ___________________________________|
    SLEEVE