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MOTU PCI-424 User Manual

MOTU PCI-424
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Mark of the Unicorn, Inc.
1280 Massachusetts Avenue
Cambridge, MA 02138
Business voice: (617) 576-2760
Business fax: (617) 576-3609
Tech support phone: (617) 576-3066
Tech support fax: (617) 354-3068
Tech support email: techsupport@motu.com
Web site: http://www.motu.com
MOTU PCI
-
424
Users Guide for Macintosh

Table of Contents

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MOTU PCI-424 Specifications

General IconGeneral
BrandMOTU
ModelPCI-424
CategorySound Card
LanguageEnglish

Summary

Safety Precautions and Electrical Requirements

Electrical Safety and Grounding

Guidelines on reducing fire/shock risk, handling plugs, and proper grounding procedures for the audio interface.

Important Safeguards

Crucial safety instructions for operating and maintaining the MOTU audio interface, covering reading instructions, cleaning, and servicing.

Quick Reference: PCI-424 Audio Card

Quick Reference: 2408mk3 I/O Front Panel

Quick Reference: 2408mk3 I/O Rear Panel

Quick Reference: 24I/O Front Panel

Quick Reference: 24I/O Rear Panel

Quick Reference: HD192 I/O Front Panel

Quick Reference: HD192 I/O Rear Panel

Quick Reference: PCI Audio Console Window

About the PCI-424 System

CueMix DSP

Describes CueMix DSP, a flexible mixing matrix for near-zero latency monitoring, independent of host CPU.

Sample-Accurate Synchronization

Details on achieving precise sample-accurate sync with ADAT and Tascam devices via the ADAT Sync connector.

Installing the PCI-424 Hardware

Install the PCI-424 Audio Card

Step-by-step instructions for physically installing the PCI-424 card into a computer.

Connect the Audio Interface

Guides on connecting MOTU audio interfaces to the PCI-424 card using the Audio Wire cable.

2408mk3 Input & Output Connections

Details on connecting various devices to the 2408mk3's analog, SPDIF, ADAT, and TDIF I/O.

24I/O Input and Output Connections

Information on connecting devices to the 24I/O's 24 analog inputs and outputs.

HD192 Input and Output Connections

Details on connecting microphones and other devices to the HD192's analog and AES/EBU I/O.

Make Sync Connections

Discusses essential synchronization setups for the PCI-424 system with external digital audio devices.

Do You Need a Synchronizer?

Helps determine if a separate synchronizer is needed based on gear and intended usage scenarios.

Sample-Accurate Sync

Explains sample-accurate locating and transport control with ADAT and Tascam devices via synchronizers.

Sample-Accurate ADAT Sync

Describes an ideal setup for ADAT sync using the PCI-424 and a 2408mk3 with synchronizers.

Sample-Accurate Tascam Sync

Setting up sample-accurate locating between Tascam recorders and the 2408mk3 interface with a Digital Timepiece.

Syncing to SMPTE Time Code

Resolving the PCI-424 system directly to SMPTE time code from an analog input without a synchronizer.

Syncing to Video

Synchronizing the 2408mk3 interface directly to video, referencing SMPTE time code.

Syncing to Video and/or SMPTE Time Code Using a Synchronizer

Using a universal synchronizer like MOTU MIDI Timepiece AV for systems without sample-accurate sync.

Syncing to ADAT or Tascam Devices Using SMPTE Time Code

Using a dedicated synchronizer like Digital Timepiece as a sync hub for complex setups.

Syncing Word Clock Devices

Using word clock input/output to synchronize the PCI-424 system clock with other devices.

Installing the PCI-424 Macintosh Software

Running the MOTU Audio/AudioDesk Software Installer

Instructions on how to run the installer and guidance on component selection.

Setup Wizard

Guides users through connecting gear and configuring the PCI-424 driver based on their setup.

MOTU PCI Audio Console

Details on accessing the MOTU PCI Audio Console for configuring PCI-424 card and interface settings.

2408mk3 Front Panel Operation

PCI Mode

Describes the 2408mk3's operation under computer control via the PCI-424 card and software.

Stand-Alone Operation

Describes the 2408mk3's operation as a stand-alone format converter when not controlled by the PCI-424 driver.

MOTU PCI Audio Console

Accessing the PCI Audio Console Window

Provides multiple ways to open the MOTU PCI Audio Console application for system configuration.

Sample Rate

How to choose the overall sample rate for the PCI-424 system, affecting all connected interfaces.

Clock Source

Crucial setting determining the digital audio clock the PCI-424 system slaves to for synchronization.

Samples Per Buffer

Setting to reduce monitoring delay (latency) by adjusting buffer sizes for audio transfers.

Working with Multiple Interfaces

How to view and configure settings for multiple interfaces within the MOTU PCI Audio Console.

Digital Performer

AudioDesk

Setting Up Your System

System requirements and setup steps for using AudioDesk with the PCI-424 system.

The MOTU PCI Audio Console Window

How to open and use the MOTU PCI Audio Console for AudioDesk integration.

Synchronization

How AudioDesk can run under its own transport or slave to external sync sources like SMPTE or ADAT sync.

Reducing Delay When Processing Live Inputs With Plug-ins

Strategies for reducing latency when using live inputs with plug-in effects in AudioDesk.

Cubase, Nuendo and Other ASIO Software

Preparation for Cubase/Nuendo

Ensuring the PCI-424 hardware and software drivers are properly set up before running Cubase or Nuendo.

Run MOTU PCI Audio Console Before Cubase

Configuring the PCI-424 hardware via the MOTU PCI Audio Console before launching Cubase.

Choosing the PCI-424 Driver in Cubase

Activating the PCI-424 ASIO driver within Cubase VST and Nuendo's device setup.

Reducing Delay When Processing Live Inputs with Plug-ins

Techniques for minimizing latency when using live inputs with VST plug-in effects in Cubase.

ASIO Direct Monitoring

Enabling direct hardware monitoring in Cubase using the PCI-424's CueMix features for near-zero latency.

Audio Clock Source

Setting the audio clock source in Cubase to slave the PCI-424 system to the desired synchronization scenario.

Synchronization

How Cubase/Nuendo can slave to SMPTE time code or ADAT sync, and resolve to video/time code.

Sample-Accurate Sync with Cubase or Nuendo

Setting up sample-accurate transfers with ADATs and Tascam devices using Cubase/Nuendo and ASIO 2 driver.

Sound Manager

Installing the PCI Sound Manager Driver

Step-by-step guide for installing the MOTU PCI Sound Manager Driver as a Macintosh System Extension.

Expanding Your PCI-424 System

Connecting Expansion Interfaces

Instructions on connecting additional MOTU PCI audio interfaces to the PCI-424 core system's Audio Wire sockets.

CueMix DSP Routing Among Interfaces

How CueMix DSP acts as a routing matrix, allowing mixing and routing across all connected interfaces.

Synchronizing Multiple Interfaces

How the entire PCI-424 system syncs to a chosen clock source, ensuring sample-accurate synchronization.

Reducing Monitoring Latency

Monitoring Live Input

Explains two primary methods for monitoring live audio input: through the computer or via CueMix DSP.

The Samples Per Buffer Setting

Details how the Samples Per Buffer setting impacts latency and CPU load for audio transfers.

Lower Latency Versus Higher CPU Overhead

Discusses the trade-off between buffer settings for latency reduction and computer processing load.

CueMix DSP Hardware Monitoring

Explains CueMix DSP's direct hardware patch-thru for eliminating monitoring delay without CPU strain.

Two Methods for Controlling CueMix DSP

Outlines the two ways to control CueMix DSP: via host software or the CueMix Console application.

Controlling CueMix DSP from Your Audio Software

Instructions for enabling CueMix DSP monitoring through host audio software like AudioDesk or Digital Performer.

Controlling CueMix DSP from within Cubase

Enabling ASIO Direct Monitor in Cubase VST to control CueMix DSP monitoring.

CueMix Console

Advantages of CueMix Monitoring

Highlights CueMix's benefits: no buffer latency, no CPU drain, and independent routing.

MOTU SMPTE Console

Overview of MOTU SMPTE Console

Introduction to the SMPTE Console for resolving to video/SMPTE and generating SMPTE time code.

Resolving to SMPTE Time Code

How to resolve the PCI-424 system to SMPTE time code, specifying the input source.

Resolving to Video

How to resolve the PCI-424 system to video using a 2408mk3 interface and analog input for time code.

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