MADI
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- For other uses, see madi (disambiguation).
Multichannel Audio Digital Interface, or MADI, is an industry-standard electronic communications protocol that defines the data format and electrical characteristics of an interface carrying multiple channels of digital audio. The AES/EBU standard for MADI is currently documented in AES10-2003. The MADI standard includes a bit-level description and has features in common with the two-channel format of AES3. Serial digital transmission over coaxial cable or fibre-optic lines of 28, 56, or 64 channels is supported, with sampling rates of up to 96 kHz and resolution of up to 24 bits per channel.
MADI is widely used in the audio industry, especially in the professional sector. Its advantages over other audio digital interface protocols and standards such as AES/EBU (AES3), ADAT, TDIF and S/PDIF are first support of a greater number of channels per line and second the use of coaxial and optical fibre media that enable the transmission of audio signals over 100 meters and up to 3000 meters. Some main providers of interfaces and computer cards for MADI are: RME [[1]] and Sydec Audio [[2]].
[edit] Bibliography
AES10-2003: AES Recommended Practice for Digital Audio Engineering - Serial Multichannel Audio Digital Interface (MADI).
