Smart Speaker Dynamic Audio Response Adaptation

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Solution Overview

Problem

Current smart speakers lack situational awareness, unable to detect environmental parameters such as location, noise levels, or user identity, which limits their ability to tailor responses to user queries or commands effectively.

Innovation Solution

Equipping smart speakers with audio sensors, processors, and communication protocols that allow them to monitor and adjust response parameters like volume, tone, and speed based on measured environmental factors, user voice characteristics, and device activity, enabling context-aware responses.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If smart speakers provide fixed-volume responses regardless of environment, then device complexity is reduced, but adaptability to different environments and user needs deteriorates

Engineering Contradiction:
Improveenvironmental adaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic response parameters where the smart speaker automatically adjusts volume, tone, and speed based on real-time environmental conditions. The processor continuously monitors ambient noise levels, user distance, and contextual factors, then dynamically modifies audio output characteristics without requiring manual user adjustment or complex hardware changes.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system incorporates feedback mechanisms where the smart speaker monitors environmental parameters such as ambient noise levels, user presence, and device activity state, then uses this feedback information to automatically adjust response characteristics. The processor analyzes feedback from microphones and sensors to optimize audio output in real-time.

Inventive Principle:
Principle #23Feedback

2Measurement precision

If smart speakers increase response volume to overcome ambient noise, then response intelligibility is improved, but user comfort in quiet environments deteriorates

Engineering Contradiction:
Improveresponse intelligibilityVSAvoiduser comfort
Core Design Contradiction:
Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The patent employs parameter changes by adjusting multiple audio characteristics (volume, tone, speed) based on environmental conditions. When ambient noise is high, the system increases volume and may modify tone for better intelligibility. When the environment is quiet, it reduces volume to maintain user comfort, preventing the harmful effect of excessively loud responses in inappropriate contexts.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If smart speakers use default speech speed for all responses, then device complexity is minimized, but user satisfaction with context-appropriate responses deteriorates

Engineering Contradiction:
Improveresponse customizationVSAvoidprocessing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system performs preliminary analysis of environmental parameters and user context before generating responses. The processor evaluates ambient noise, user distance, and device activity state in advance, then pre-adjusts speech speed and other parameters accordingly, enabling context-appropriate responses without requiring complex real-time adjustments during speech generation.

Inventive Principle:
Principle #10Preliminary action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution enables smart speakers to provide more appropriate and contextually relevant responses by dynamically adjusting audio components such as volume, tone, and speed, enhancing user interaction and environmental adaptability.

Implementation Method 1

a volume of the user query, spoken to the situationally aware speaker, is measured

Methodology Applied
Scientific EffectMicrophone transduction:

Data Source

PatentEP3631792B1Dynamic text-to-speech response from a smart speaker
Publication Date: 2023.07.26 BOSE CORP
  • EP3631792B1 patent drawingFigure 1A
  • EP3631792B1 patent drawingFigure 1B
  • EP3631792B1 patent drawingFigure 1C

AI summary

A method of operating a situationally aware speaker associated with a virtual personal assistant (VP A) service provider that comprises receiving an indication of at least one parameter of an environment proximate the situationally aware speaker, and delivering the response to the vocal query to the user formatted as speech through an audio output of the situationally aware speaker, at least one audio parameter of the response set based on the indication of the at least one parameter.