2 the essential set-up, 3 using the dsp composer gui, project example, An348 – Cirrus Logic AN348 User Manual

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AN348

AN348REV2

2.2

The Essential Set-up

The evaluation boards are connected to standard PCs with Windows XP

operating systems via USB. After a successful

installation of the evaluation board software, the DSP Composer GUI can be started. Your computer screen should look like the
following:

The GUI can also be used in emulation mode (without any evaluation board connected to the host PC).

Please refer to theCDB48500-USB Evaluation Kit guide from Cirrus Logic for a basic introduction to the minimum hardware set-
up. This is available at

. These specifications are also accessible per the

START



Program Files



Cirrus Logic DSP menu after installation.

2.3

Using the DSP Composer GUI, Project Example

This section shows how to build a project with multiple audio I/Os and some customized audio processing using the DSP
Composer GUI.

Let us consider designing an audio system with the following features:

• 4 Analog Inputs, 6 Analog Outputs

• Customized Audio Processing Chain as Follows:

- High-pass and low-pass filters for the input channels

- Mixer with 4 inputs to create 6 output channels

- 6-channel, 4-band parametric EQ

- Sine wave test-tone generator