Echo Audio Indigo Owner's Manual

INDIGO™IOx INDIGO™DJx

Driver Versions and Windows Support Driver 7.5 and higher supports the following versions of Windows: • Windows XP • Windows XP Professional x64 E

In Windows Vista, the hardware is recognized and installed silently. Once the hardware is installed, a small “Safely Remove Hardware” icon will appea

Windows Default Audio Playback Device Your Indigo ExpressCard will automatically be set up as the default audio playback device in Windows XP. To co

In Windows Vista, this dialogue box has changed. It is now simply labeled “Sound” and can be accessed from the control panel. The default sound device

Professional Audio Software To audio software, the Indigo ExpressCard appears as a group of stereo wave devices. You can view the list of these devi

Virtual Outputs Most audio cards with a pair of analog outputs will appear to software as having just that, a single pair of outputs. When one appli

Console4 A “virtual control surface” application called Console4 is included with the Indigo ExpressCard driver. The Console allows you to control th

Console Window The basic metaphor for the console interface is a digital mixing board, and it works in terms of output busses. An output bus is a st

Bus Select (Indigo DJx Only) To select an output bus, click on either the “Outputs 1-2” tab or the “Outputs 3-4” tab at the top of the Console. (See

Analog Inputs (Indigo IOx Only) and Virtual Outputs The controls for the analog inputs are on the left side of the Console and are labeled “Analog: I

Owner’s Manual Version 1.0 for Windows XP and Vista 2

At the top of the analog inputs are two pan knobs that pan the input channel between the two channels of the output bus. Holding down the Ctrl key and

Console Sessions The Indigo ExpressCard console supports saving and loading the state of the Indigo ExpressCard to a file, called a “session”. Sessi

Console Settings Tab Clicking the Settings tab at the top of the Console gives you a dialog box for changing console settings. On the “Settings” tab

Locking the Sample Rate in Windows XP Locking the sample rate can be very important, since Windows will frequently try to set the hardware to the hig

Core Audio Core Audio is the name for Windows Vista’s new audio system. You can set the sample rate and format used by Core Audio in Vista’s Sound

The ASIO driver will automatically use the new scheduler. Should you wish to not use the new scheduler, you can disable it by opening the ASIO contro

Hot Keys There are a number of hot keys that can be used to control the console when it is the active window: Ctrl-s saves or quick-saves the curren

Listening to Your Indigo ExpressCard Your Indigo ExpressCard was designed for use with high-end headphones. The Indigo DJx has two output jacks and

Registration Registering your Indigo ExpressCard with Echo allows us to register key information so that we may handle problems faster and inform you

Appendix A: Multi-client Audio FAQ Q: What is “Multi-client audio”? Multi-client audio is a feature that lets you use different virtual outputs on y

Important Safety Instructions WARNING: Listening to audio at high volumes over headphones can cause hearing damage. Please be careful to limit the v

You should also turn off your system sounds. Most system sounds tend to be at 11 kHz or 22 kHz. Imagine that you're recording the best guitar s

Appendix B: An Introduction to Digital Recording Converting Sound into Numbers In a digital recording system, sound is represented as a series of n

combinations of zeroes and ones, so 65,535 different voltages can be digitally represented. (see Figure A above). Figure B. The more bits there ar

happens). In addition to aliasing, sampling too slowly will result in reduced high frequency reproduction. Your Echo card allows you to sample sound

converting dBV levels into dBu levels is as simple as subtracting 2dB (2.21 to be exact). Signals are also occasionally represented with units of d

by having electrons moving around due to heat. Even if the converters could be perfectly designed to read these levels, the low noise requirements of

Registering your product online at http://www.echoaudio.com/support/register.php allows us to register key information so that we may handle problems

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Table of Contents Limited Warranty...4 Table of Cont

ASIO and Windows Vista...24 Synchronize Wave Devices ...

Introduction Thank you for choosing Echo Digital Audio. We think you’ll find your Echo Indigo ExpressCard to be an extremely flexible, high-performan

Installation Complete installation consists of installing the Windows driver onto your system, installing the ExpressCard and, if necessary, installi