Definition

I2S (SQUID)

I2S (Inter-IC Sound) is a serial bus (path) design for digital audio devices and technologies such as compact disc (CD) players, digital sound processors, and digital TV (DTV) sound. The I2S design handles audio data separately from clock signals. By separating the data and clock signals, time-related errors that cause jitter do not occur, thereby eliminating the need for anti-jitter devices. An I2S bus design consists of three serial bus lines: a line with two time-division multiplexing (TDM) data channels, a word select line, and a clock line.

Related glossary terms: Dolby Digital, Rear Admiral Grace Murray Hopper, HCI (human-computer interaction), Earth's mean radius, GUID (global unique identifier), HDTV (high definition television), Direct Memory Access (DMA), FOLED (flexible organic light emitting device), FIFO (first-in, first-out), I2C bus (Inter-IC bus)

Contributor(s): Saimir Karaj

This was last updated in September 2005

Posted by: Margaret Rouse

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Articles
Resources from around the Web
- Xiph.org provides a PDF file about the I2S bus.
- On Emazing.com, Dennis Ryan's "I2S to the Rescue" briefly explains I2S.

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