I2S (Inter-IC Sound)

I2S is Inter-IC Sound.

I2S is a serial bus used to transport digital audio.

High-end CD and DVD players feature I2S outputs. I2S inputs are found on some PC sound cards.

I2S Pinouts

Pin	Purpose
1	Word Clock (WCLK)
2	Bit Clock (BCLK)
3	DATA
4	Master Clock (MCLK)
5	DEM

The pins on the male I2S jack are numbered clockwise, with the missing pin as zero.

The pins on the female I2S plug are numbered counter-clockwise, with the missing pin as zero.