J

Jack

1. Anywhere you plug something in.
2. Segmented audio connector.
   • Mono Jacks have two connections – tip and sleeve, and are unbalanced.
   • Stereo jacks have three connections – tip, ring and sleeve.
   • B-type jacks (also known as Bantam jacks) were originally designed for use in telephone exchanges and provide a high-quality (and expensive) connection in jack fields.
   • A-type jacks are cheaper and more common, but more fragile. A-type jacks are available in 2 sizes: quarter inch and eighth inch.
3. A connector mounted on the case of a device or on a panel.

Jack Bay

A series of jacks which have connections for most of the inputs and outputs of the equipment in the control room.

Jam Sync

A generation of new SMPTE according to the input SMPTE signal

Joystick

1. A quad pan pot which distributes what percentage of on signal is sent to each of 4 outputs.
2. A control that is separately controlling two functions at one time.