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Smart speaker

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Smart speaker

Block diagram

Overview

Our integrated circuits and reference designs help you create an innovative, differentiated smart speaker design with longer battery play time, excellent audio quality, connectivity and low-power consumption.

Design requirements

Modern smart speaker designs often require:

  • High-dynamic-range voice recognition while providing premium-quality sound.
  • Load-adaptive power management with switching frequencies outside of audio band.
  • Multiprotocol wireless connectivity.
  • Interactive user interface with multisensory feedback.
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Block diagram

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Technical documentation

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Type Title Date
Technical article When to choose a DSP for processing voice commands PDF | HTML Jun 22, 2020
Analog design Journal Methods of output-voltage adjustment for DC/DC converters Jun 14, 2019
Application brief What's New in Zigbee 3.0 (Rev. A) PDF | HTML Jun 6, 2019
Application note Sensitivity, SNR, and design margin in capacitive touch applications (Rev. A) PDF | HTML Mar 25, 2019
White paper Smart speaker fundamentals: Weighing the many design trade-offs Feb 25, 2019
Technical article The “key” to security: Zigbee 3.0’s security features PDF | HTML Feb 5, 2019
Application note Capacitive Touch Gesture Software and Tuning PDF | HTML Dec 13, 2018
Technical article With capacitive touch, liquid is no longer kryptonite to keypads PDF | HTML Nov 27, 2018
Application note How the SmartAmp Speaker Protection Algorithm Compensates the Effects of Series Aug 8, 2018
Application note TPA3136D2 Design Considerations for EMC (Rev. A) Jul 27, 2018
Technical article Smart speakers don’t have to sound as small as they are PDF | HTML Jun 4, 2018
Application note Achieve Ultra-Low Idle Current With TPA3128D2 (Rev. A) May 1, 2018
White paper Thread and Zigbee for home and building automation Mar 1, 2018
Application note Use of Low-power Zigbee® and Thread With the SimpleLink™ Wireless MCU Family Feb 27, 2018
White paper Simplify smart speaker human machine interface with capacitive-touch technology Feb 15, 2018
Application note Push-Button Circuit (Rev. B) Nov 1, 2017
Application brief High Efficiency AD (HEAD) Modulation Oct 18, 2017
Application note The bq27426 Performace Under Dynamic Battery Voltage for Portable Audio Applicat Oct 9, 2017
Technical article Inductor-free innovation: low EMI Class-D audio PDF | HTML Aug 29, 2017
Application note Smart Amp Quick Start Guide Aug 3, 2017
Technical article What are the building blocks of Bluetooth speakers? PDF | HTML Feb 21, 2017
White paper Wi-Fi® mesh networks: Discover new wireless paths May 24, 2016
White paper Streaming Audio: Follow the signal chain white paper Apr 14, 2016

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