Audio Pre-Processing System Reference Design for Voice-Based Applications Using the 66AK2Gx SoC

(ACTIVE) TIDEP-0088

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Key Document

Description

This reference design uses multiple microphones, a beamforming algorithm, and other processes to extract clear speech and audio amidst noise and other clutter.  The rapid increase in applications that are used in noise-prone environments for voice activated digital assitants creates demand for systems that extract clear voice from noisy environments.  The reference design uses a microphone array and a sophisticated signal processing to extract clear audio from noisy environments.

Features
  • Single digital signal processor (DSP) SoC for audio pre-processing
  • Circular microphone board (CMB) with 360 degree coverage of audio source
  • Audio pre-processing software
  • Hardware/software with modularized components to build an audio pre-processing solution for clear voice triggering and recognition

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

EVMK2G :
66AK2Gx (K2G) Evaluation Module

$699.00(USD)


Pricing may vary.



ACTIVE

PCM1864CMBEVM :
PCM1864 Circular Microphone Board (CMB) 103dB 4-Ch Software-Controlled Audio ADC With Universal Front End Evaluation Module

$149.00(USD)


Not Available ACTIVE
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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
66AK2G12  Multicore DSP+ARM KeyStone II System-on-Chip (SoC)  Digital signal processors (DSP)  Sample & Buy View Design Kits & Evaluation Modules
PCM1864  103dB 4-Channel Software-Controlled Audio ADC With Universal Front End  Audio converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
66AK2G12 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

VID (1)
Title Date Type
Demonstrating Voice Preprocessing 18 May 2017
User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 4730 12 Jun 2018 0
White papers (1)
Title Abstract Type Size (KB) Date Views
PDF 1402 09 May 2017 0
Design files (10)
Title Abstract Type Size (KB) Date Views
ZIP 6085 11 May 2017 0
ZIP 18998 11 May 2017 0
ZIP 10228 11 May 2017 0
PDF 196 11 May 2017 0
PDF 89 11 May 2017 0
PDF 334 11 May 2017 0
ZIP 151 11 Aug 2016 0
ZIP 12389 11 Aug 2016 0
PDF 1523 11 Aug 2016 0
PDF 119 11 Aug 2016 0
Related Tools & Software

Reference Designs  ( 1 )

Name Part Number Tool Type
PCM1864-Based Circular Microphone Board (CMB) Reference Design  TIDA-01454  TI Designs

Design Kits & Evaluation Modules  ( 2 )

Name Part Number Tool Type
66AK2Gx (K2G) Audio Daughter Card  AUDK2G  Daughter Cards 
66AK2Gx (K2G) Evaluation Module  EVMK2G  Evaluation Modules & Boards 

Software (1)

Name Part Number Software Type
Processor SDK for 66AK2Gx Processors - Linux and TI-RTOS Support  PROCESSOR-SDK-K2G  Software Development Kits (SDK) 


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