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Application Software Pack: Low Power Voice UI Enablement on i.MX MPUs

APPSWPACK-LPV-MPU

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This pack deploys a Low Power Voice UI Enablement solution for i.MX 8M Mini and i.MX 8M Plus MPUs. It reduces power consumption with a Wake Word Engine designed to utilize the low power Cortex-M core. Upon wake word identification, the Cortex-M core wakes up the Cortex-A domain for better acoustic performance and advanced voice processing, reducing the power usage of traditional voice enablement solutions.

Diagram

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Simplified Diagram

Application Software Pack: Low Power Voice Enablement on i.MX MPU Simplified Diagram

Low Power Wake Word Wait State

Application Software Pack: Low Power Voice Enablement on i.MX MPU Low Power Wake Word Wait State

Full Voice Processing Mode

Application Software Pack: Low Power Voice Enablement on i.MX MPU Full Voice Processing Mode
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Features

Header and List

  • Audio Front End (AFE)
  • Multi-Mic De-noiser (far field voice) - use existing NXP VoiceSeeker solution
  • Echo Cancellation Noise Reduction – optional processing in case of local playback (on Cortex-A)
  • Advanced Voice processing
  • Wake Word confirmation, Voice commands – use existing NXP VoiceSpot Wake Word Engine complemented by Voice Intelligent Technology (VIT) Voice Command Engine
  • Scalable to Natural Language Understanding / Automatic Speech Recognition (NLU / ASR) – new differentiation features
  • Enable support of cloud-based solution
  • Scalability - ease integration of Third-party voice processing algorithms

Low Power Wake Word Wait State

  • Running Only on Cortex-M core (Cortex-A Domain Suspended) with 2-mic Beamforming
  • Average Power 60 mW @ SOC level (8MPlus)
  • Additional Power ~6 mW for External DDR, 1 mW per DMIC

Full Voice Processing Mode

  • Upon Wake Word trigger event, wake up the Cortex-A domain for Wake Word confirmation
  • Pump 4-mic channels to Cortex-A for Advanced Voice Processing (Further Wake Word and Voice Commands detection with 4-mic beamforming)
  • Average Power 700 mW @ SOC level (8MPlus, the measurements are specific to the software version and configuration and may vary based on the configuration)

Supported Devices

  • i.MX8MMINI: i.MX 8M Mini - Arm® Cortex®-A53, Cortex-M4, Audio, Voice, Video
  • IMX8MPLUS: i.MX 8M Plus – Arm® Cortex®-A53, Machine Learning, Vision, Multimedia and Industrial IoT
Y true 0 SSPAPPSWPACK-LPV-MPUen 1 Application Note Application Note t789 1 en_US en_US en Application Note Application Note 1 1 2 English This document describes how to deploy a Low Power Voice Enablement solution for i.MX 8M Mini and i.MX 8M Plus MPUs. It reduces power consumption with Wake Word Engine (WWE) designed to utilize the lowest power core, fitting into the memory on the Cortex-M core. Upon wake word identification, the Cortex-M core wakes up the Cortex-A domain for better acoustic performance and further voice processing, reducing power usage of traditional voice enablement solutions. 1687384034647740137155 SSP 10.3 MB Registration without Disclaimer None documents Extended 1687384034647740137155 /secured/assets/documents/en/application-note/AN13957.pdf 10340009 /secured/assets/documents/en/application-note/AN13957.pdf AN13957 documents Y N 2023-06-21 Low Power Voice UI Demo /webapp/Download?colCode=AN13957 /secured/assets/documents/en/application-note/AN13957.pdf Application Note N 645036621402383989 2023-09-20 pdf Y en Sep 20, 2023 645036621402383989 Application Note Y N Low Power Voice UI Demo false 0 APPSWPACK-LPV-MPU downloads en true 1 Y SSP Application Note 1 /secured/assets/documents/en/application-note/AN13957.pdf 2023-06-21 1687384034647740137155 SSP 1 Sep 20, 2023 Application Note This document describes how to deploy a Low Power Voice Enablement solution for i.MX 8M Mini and i.MX 8M Plus MPUs. It reduces power consumption with Wake Word Engine (WWE) designed to utilize the lowest power core, fitting into the memory on the Cortex-M core. Upon wake word identification, the Cortex-M core wakes up the Cortex-A domain for better acoustic performance and further voice processing, reducing power usage of traditional voice enablement solutions. Registration without Disclaimer /secured/assets/documents/en/application-note/AN13957.pdf English documents 10340009 None 645036621402383989 2023-09-20 Y /webapp/Download?colCode=AN13957 Low Power Voice UI Demo /secured/assets/documents/en/application-note/AN13957.pdf documents 645036621402383989 Application Note N en Extended Y pdf 2 Y N Low Power Voice UI Demo 10.3 MB AN13957 N 1687384034647740137155 true Y Softwares

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Training

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  • On-Demand

    Low-Power Voice UI Enablement on i.MX MPUs

    This training will provide you with a comprehensive understanding of how to deploy a Low Power Voice Enablement solution for selected i.MX Application Processors.
    12 minEnglish Level: Intermediate
    Account Required

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