Normal rendering for sound allows playback in mono or stereo through one or two speakers (or equivalent headphones) or, in the case of surround sound, through multiple loudspeakers carefully arranged in a room (or through specialized headphones).
An easy way to remember what e.g. means is to think of it as standing for example given.. Alternatively, just say eg out loud â it sounds just like the first syllable in example. i.e. i.e. stands for id est which means that is.
Ig. 1  1. Any of a group of large glycoproteins, including all the antibodies that function in the vertebrate immune system, that have a structure consisting of two heavy chains and two light chains. 2  2. A preparation containing immunoglobulin proteins, especially immune globulin.