Tensilica Audio Codec API

Length : 1/2 day

Course Description

This training class familiarizes you with the Application Programming Interface (API) that is used by all the audio codecs that Cadence® provides for the Tensilica® HiFi family of audio DSPs. It also covers audio codec packaging and its contents. The class includes a lab for hands-on programming practice. This class provides a software developer the knowledge necessary to integrate audio and voice codecs from Cadence into their system software environment.

Learning Objectives

After completing this course, you will be able to:

• Identify the different types of audio codec packages, their contents, and purpose
• Use the various API functions to integrate the audio codecs into your system software

Software Used in This Course

• Xtensa Software Tools Release RF-2014.0

Software Release(s)

• RF-2014.0

Course Agenda

Day 1

Audio Codec Packaging

• Types of Packages
• Contents of Codec Packages and Directory Structure

Codec API

• Description of the API and Parameters
• Memory Allocation Flow
• Flow Control and API Command Usage
• Error Classification and Codes

Lab

• A two-part lab that illustrates the structure and parameters of the API and runs an example application that uses the API

Audience

• Application developers and software engineers integrate Tensilica Audio/Voice codecs into their application code

Prerequisites

You must have experience with or knowledge of the following:

• C/C++ programming
• Xtensa Xplorer development environment

Related Courses

• Xtensa Processor Fundamentals

• Tensilica HiFi 2/EP/Mini Audio Engine ISA

• Tensilica HiFi 3 Audio Engine ISA

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