Audio Service MY16MADI64

MADI is a single coax or fibre connection that carries up to 64 channels of 24bit/48kHz audio.

The MY16MADI64 is a kit of cards that install in the Yamaha DM2000, DM1000, 02R96, PM5D, M7CL, DME64 DME32 & DI08 mixers, providing up to 64 channels in and out over a MADI connection.

The kit comprises a master card, equipped with twin BNCs and an SC fibre connector, plus three daughter cards. The master card and one, two or three of the daughter cards are installed in the 16 channel MY16 card I/O slots of these mixers.  The number of daughter cards installed depends on the number of slots available and the number of channels of the MADI connection to the utilised.

The master card accepts the incoming 64 channel MADI stream, delivers the first 16 channels to the host mixer itself and then transfers the remainder, in 16 channel blocks, to the daughter cards which deliver their respective 16 channel blocks to the mixer’s inputs. Similarly, the 16 mixer outputs connected to each card are returned to the master card, which merges them to create a MADI output. The connections between master card and the daughter cards are via ribbon cables, which are routed internally within the host mixer.

MADI has now been recognised as the multi-channel audio format of choice. The standard is well established, stable and an increasing number of manufacturers now offer MADI interfaces as standard. The AES-10 standard specifies 56 channels of 24bit/4kHz audio over coaxial or fibre-optic connections. Many manufacturers, however, use the spare bandwidth to deliver a further 8 channels. This extension to the standard, although not formally adopted, is in common use and hardware that does not accept or deliver the 64 channels is the exception.