Enabling Software Technologies for Voice Command Processing on NXP Arm® Cortex® M-Based MCUs

VOICE_RECOGNITION_SOFTWARE

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Enabling voice to control device functions with local recognition in HMI implementations offers numerous user experience benefits. A more natural interface with no buttons to find/push, a more intuitive experience with commands based on native language, more convenience as eyes and hands remain free and more privacy as voice data does not need a cloud connection. NXP provides several options for MCU developers looking to enable voice control as part of their HMI design, either as part of MCUXpresso SDK or compatible with the drivers that are provided within it. NXP EdgeReady MCU-based solution for Amazon's Alexa Voice Service (AVS) integration for AWS IoT Core leverages the i.MX RT106A crossover MCU, enabling developers to quickly and easily add Alexa voice assistant capabilities to their products. Similarly, the NXP EdgeReady MCU-Based Solution for Local Voice Control enables developers to quickly and easily add support for far field, offline local voice control leveraging and optimized speech recognition engine. For customers looking for lower level integration and/or implementations on other MCUs, MCUXpresso SDK includes Voice Intelligent Technology (VIT) for free. Voice recognition and audio front end technologies from our strategic partners provide further options such as natural voice recognition and the ability to combine voice recognition in audio playback systems such as sound bars. For customers wanting to develop voice recognition in-house please refer to our eIQ® ML solutions.

Retune DSP is now part of NXP. Find out more.

Features

General

  • Complete, turn-key reference designs
  • Fully-functional example applications make evaluation fast and easy
  • Solutions from leading front end and voice recognition specialist partners
  • ML enablement for customers wishing to develop in-house solutions
  • Support on several i.MX RT processors

Libraries and examples provided through MCUXpresso SDK

NXP EdgeReady MCU-based solution for Amazon's Alexa Voice Service (AVS) integration for AWS IoT Core leverages the i.MX RT crossover MCU, enabling developers to quickly and easily add Alexa voice assistant capabilities to their products. This ultra-small form-factor, turnkey hardware design comes completely integrated with Amazon qualified software for an out-of-the-box AVS experience, enabling voice control with fastest time to market with no prior knowledge of voice control required. Please follow the link above for more information.

NXP has developed Voice Intelligent Technology (VIT) to enable voice command recognition at no cost and without the need for lengthy and expensive training. Available premium or partner solutions include the ability to combine voice recognition with audio playback solutions, are compatible with MCUXpresso SDK and have demonstrations available to enable in-depth evaluation for your design.

Turnkey AVS Solution

  • i.MX RT106A based – includes license to use all 3rd party software
  • Amazon AVS qualified
  • Supports up to 3 microphones
  • Wi-Fi and BLE enabled
  • Machine Learning far field audio front end
  • No voice or audio expertise required

Turnkey Local Voice Solution

  • i.MX RT106L based – includes license to use all 3rd party software
  • Supports up to 3 microphones
  • Wi-Fi® and Bluetooth® LE enabled
  • Machine Learning far field audio front end
  • Industry leading phrase spotting speech recognition engine, supports up to 30 custom commands in more than 60 languages.
  • No voice or audio expertise required

Voice Intelligent Technology (VIT)

Partner Audio Solutions

NXP has partnered with leaders in the area of audio technology to enable a range of specialized, high performance solutions on a range of NXP MCUs based on Arm® Cortex®-M cores.

DSP Concepts

Create, tune, and productize audio features with Audio Weaver Designer, a low code, drag and drop real-time interface with live module inspectors and over 400 different audio building blocks. Deploy highly optimized audio with AWE Core.

Products available from DSP Concepts for NXP Arm®Cortex®-M microcontrollers are shown below. DSP Concepts products also support several of NXP's i.MX applications processors.

Product Overview i.MX RT600 Arm Cortex M33 plus Cadence Xtensa Hifi4 DSP i.MX RT 1xxx Arm Cortex M7
Voice Enhancement Package (VEP) Voice Enhancement Package (VEP) is a suite of real-time software DSP technologies designed for improving speech recognition performance in voice-controlled multimedia devices.

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Audio Weaver Designer A low code, drag and drop real-time interface with live module inspectors and over 400 different audio building blocks to integrateor create advanced audio features quickly.

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TalkTo TalkTo, an Audio Front End, is the highest performing voice control system on the market. TalkTo detects and extracts faint voice commands in extremely noisy environments and passes AVS 2.1 premium and Google ART.

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