Yamaha 01V Owner'S Manual Download

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Chapter 1—Welcome to the 01V

01V—Owner’s Manual

Key Feature Discussion

Configuration

The 01V provides a total of 24 inputs: 12 mono input channels (1 through 12), 2 stereo
input channels (13/14 and 15/16), and 8 digital inputs (17 through 24) by means of an
Option I/O card. The stereo output signal is available from the analog STEREO OUT,
coaxial DIGITAL STEREO OUT, and can be assigned to the analog OMNI OUTs and
Option I/O digital outputs. The four bus outputs and four aux sends can be assigned to
the analog OMNI OUTs and Option I/O digital outputs. The Effect 1 and Effect 2 buses
feed the onboard stereo multi-effects processors, whose signals are returned via effects
returns 1 and 2, which feature four-band parametric EQ. Input channels 1 through 12
feature balanced XLR and phone jack connections, with switchable phantom powering.
Input channels 13 through 16 feature phone jack connections. Input channels 17
through 24 are accessed via an Option I/O card.

Full-feature input channels 1 through 16 feature an attenuator, four-band parametric
EQ, dynamics processor, delay, and can be assigned to aux sends 1 through 4 and effects
sends 1 and 2. Simplified input channels 17 through 24 feature an attenuator, two-band
parametric EQ, and can be assigned to aux sends 1 and 2 and effects sends 1 and 2.
Input channels 1 through 8 and 17 through 24 can be swapped, so that Option I/O dig-
ital input signals appear on full-feature channels 1 through 8. Input delays can be used
for microphone-placement compensation, while output delays can be used for
delay-compensation in multi-speaker systems. The number of input channels can be
increased by digitally cascading two 01Vs together. Option I/O digital outputs can be
configured as bus outs, aux sends, input channel direct outs, or stereo outs. So although
the 01V is a four-bus mixer, assigning the four buses and four aux sends, or the channel
direct outs to the Option I/O eight outputs allows eight-track simultaneous recording.

Benefits of a Digital Mixer

You’re probably already familiar with the many benefits offered by digital audio, but
what exactly are the benefits for digital audio mixing? Well, an audio mixer has the job
of combining audio signals from various sources, at differing levels and impedances,
usually into a stereo mix. And it must do this without introducing any new distortions
and noise. Analog mixers do a pretty good job, but even with the best designs, non-lin-
ear effects caused by circuit components are unavoidable.

In the digital realm, audio mixing consists of adding and multiplying binary numbers
that represent audio signals. The DSP (Digital Signal Processor) chips used for these
calculations never get their sums wrong, so once past the initial A/D conversion, audio
signals are immune from signal degradation. With the 01V, noise, distortion, and
crosstalk are virtually eliminated, and you’ll hear a new clarity in your mixes.

Once in the digital domain, it makes sense to keep audio data digital, as multiple
AD/DA conversions can degrade signal quality. With an Option I/O interface card, the
01V can be connected directly to a modular digital multitrack recorder, thereby keeping
audio data in the digital domain for both recording and mixing. The final stereo mix
can be transferred to a two-track digital recorder using the 01V’s Coaxial STEREO
OUT.

Onboard stereo multi-effects processors and dynamics processors mean that signals
remain in the digital domain, eliminating unnecessary AD/DA conversions. Digital sig-
nal processing is performed using third-generation Yamaha DSPs, as used in the
Yamaha ProR3 Digital Reverberator.

Yamaha 01V, Owner'S Manual

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