TIDEP0066

Speech Recognition Reference Design on the C5535 eZdsp™

TIDEP0066

Design files

Overview

The TIDEP0066 reference design highlights the voice recognition capabilities of the C5535 and C5545 DSP devices using the TI embedded speech recognition (TIesr) library and instructs how to run a voice triggering example that prints a pre-programmed keyword on the C5535eZdsp OLED screen, based on a successful keyword capture.  This design also describes the steps to customize the trigger phrase.

Features
  • Efficient active power for always listening applications
  • Small footprint (down to 7mmx7mm) with optimized pinout
  • Based on open source library
  • Enables addition of voice control to any application

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUBJ5A.PDF (1617 K)

Reference design overview and verified performance test data

TIDRKZ4.PDF (162 K)

Detailed schematic diagram for design layout and components

TIDRKZ5.PDF (33 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRKZ6.ZIP (1676 K)

Files used for 3D models or 2D drawings of IC components

Products

Includes TI products in the design and potential alternatives.

Audio CODECs

TLV320AIC3204Very-Low-Power Stereo Audio CODEC With PowerTune™ Technology

Data sheet document-pdfAcrobat PDF open-in-new HTML
Digital signal processors (DSPs)

TMS320C5535Low power C55x fixed point DSP- up to 100MHz, USB, LCD interface, FFT HWA, SAR ADC

Data sheet document-pdfAcrobat PDF open-in-new HTML

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Software

Support software

TIDEP0066 Software – TIDCBZ3.ZIP (8430 K)

Technical documentation

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Type Title Date
* Design guide Speech Recognition on the C5535 eZdsp™ Design Guide (Rev. A) May 17, 2016

Related design resources

Hardware development

EVALUATION BOARD
TMDX5535EZDSP C5535/C5545 eZdsp USB Stick Development Kit

Software development

DRIVER OR LIBRARY
SPRC133 TMS320C55x Chip Support Libraries (CSL) – Standard and Low-Power

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