IEC +AMD+AMD CSV Standard | Digital audio interface – Part 3: Consumer applications. IEC (formerly IEC ) is the International Electrotechnical Commission’s standard on digital audio interfaces. It consists of several parts: IEC General; IEC Software Information Delivery Mode; IEC Consumer. IEC Digital audio interface – Part 3: Consumer applications.
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From Wikipedia, the free encyclopedia. Consumer applications This document has been re-assessed by the committee, and judged to still be up to date. It can be used for synchronization and for logging and identifying audio content. While samples repeat each frame time, metadata is only transmitted once per audio block.
Frames contain 64 time slots and are produced once per sample time. List of Isc Electrotechnical Commission standards.
IS/IEC 60958-3: Digital audio interface, Part 3: Consumer applications
Variants using different physical connections are iex in IEC Even parity bit for detection of errors in data transmission. This bilingual version corresponds to the monolingual English version, publishedin This consolidated version consists of the third edition ,its amendment 1 and its amendment 2 The development of standards for digital audio interconnect for both professional and domestic audio equipment, began in the late s  in a joint effort between the Audio Engineering Society and the European Broadcasting Union, and idc in the publishing of AES3 in A user’s guideit is embedded as a bit binary word in bytes 18 to 21 of the channel status data.
A low-quality auxiliary channel used as specified in the channel status word, notably for 609588-3 talkback or recording studio -to-studio communication.
Type I connections use balanced3-conductor, ohm twisted pair cabling with XLR connectors. This uses the same cabling, patching and infrastructure as analogue or digital video, and is thus common in the broadcast industry.
The standard was first published 60985-3 and was revised in and Data with smaller sample bit depths always have MSB at bit 27 and are zero-extended towards the least significant bit LSB.
A synchronisation preamble biphase mark code violation for audio blocks, frames, and subframes. Of the physical interconnection types defined by IECthree are in common use. Audio, video and similar electronic apparatus – Safety requirements You may be interested in this related standard.
At the highest level, each consecutive frames are grouped into an audio block. Each audio sample of up to 24 bits is combined with four flag bits and a synchronisation preamble which is four time slots long to make a subframe of 32 time slots.
Any of the three marks the beginning of a subframe. It is designed to cover every economic sector and virtually every activity of idc humankind where technical standards may be used. Time of day sample address code.
Views Read Edit View history. Two subframes A and B, normally used for left and right audio channels make a frame. Follow these links to find other Standards similar to the one you are viewing. In other projects Wikimedia Commons. Here is a summary of the channel status word: Bits from each frame of an audio block are collated giving a bit channel status word.
These are essentially consumer versions of AES3 for use within the domestic high fidelity environment using connectors more commonly found in the consumer market.
This third edition of IEC cancels and replaces the second edition published in and constitutes a technical revision. For information on the synchronization of digital audio structures, see the AES11 standard. According to John Ratcliff’s Timecode: Although we endeavour to maintain an up-to-date catalogue, on occasion we may not have the latest version of a document, including where it has not yet been provided through an international feed.