User Manual

Multichannel Monitoring Tutorial Booklet (M2TB) rev. 3.5.2

Masataka Nakahara : SONA Corporation

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5-1. Monitor matrix

A monitor matrix circuit is required if you will need to perform both 5.1 and 3-1 processing, or if you

need to produce audio for different media such as DVD-Video and film even though both of these are 5.1.

A monitor matrix is also required in order to audition the down-mixing functionality defined by DVD-

Video (Dolby DIGITAL, DTS).

The monitor matrix is normally part of the mixing console’s functionality.

The monitor buses of the Yamaha DM2000, DM1000, and 02R96 digital consoles provide a monitor

matrix that is optimized for surround monitoring. This makes it easy to produce down-mixes or to

change the surround playback level attenuation when switching between 3-1 and 5.1.

5-2. Bass management

In order for a small- to mid-sized studios, to obtain a monitoring environment in which the low frequency

response is managed, it is good to apply a bass management controller to the monitor system.

Checking the bass management playback is also important in order to check compatibility with the end-

user environment.

Bass management functionality is built into the Yamaha DM2000, DM1000, and 02R96 digital

consoles. This means that bass management (which can be switched on/off) can be applied without any

problems of tonal change that might be a concern when using external bass management devices. The

bass management that is built into the DM2000, DM1000, and 02R96 provides not only conventional

bass management functionality, but also the ability to adjust the playback level of the LFE and

surround, thus filling the roles of a monitor system that supports a variety of media.

5-3. Monitor alignment

In order to precisely measure the time alignment of each channel, it is desirable to provide an electrical

delay for each speaker.

Considering the actual adjustment process, attenuators and GEQ (PEQ) will usually be necessary as well.

The Yamaha DM2000, DM1000, and 02R96 digital consoles provide monitor alignment functionality

consisting of an adjustable delay and attenuator for each speaker. This means that monitor alignment

can be performed without any problems of tonal change that might be a concern when using external

alignment devices. The delay can be adjusted in 0.02 msec steps, and the attenuator can be adjusted in

0.1 dB steps, providing sufficiently precise adjustment even for professional monitoring environments.