Adaptive System Response Volume Across Networked Speakers
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Solution Overview
Problem
Conventional media playback systems struggle to dynamically adjust the volume of system responses, such as voice commands or notifications, to ensure they are heard clearly over ambient noise or audio content, leading to potential interruptions or missed alerts due to inconsistent volume settings.
Innovation Solution
The system determines the need for a system response and dynamically sets the response volume based on real-time sound pressure level measurements, adjusting it to be either higher or lower than previous settings to ensure clarity, and can synchronize this volume across multiple networked devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system uses a fixed volume setting for system responses, then the device complexity is reduced, but the system responses may not be heard clearly over ambient noise or audio content
Solution Approach 1:
The system dynamically adjusts the volume of system responses based on real-time ambient noise levels and audio content volume. The volume setting changes automatically depending on the detected acoustic environment, transitioning from a static fixed volume to a dynamic adaptive volume control mechanism.
Solution Approach 2:
The system uses microphones to continuously monitor ambient noise levels and audio content volume, then feeds this information back to the volume control mechanism. This feedback loop enables the system to automatically adjust system response volume to ensure clarity without requiring manual intervention.
2Reliability
If the system increases system response volume to ensure clarity over ambient noise, then the reliability of system response delivery improves, but it may interrupt or drown out audio content
Solution Approach 1:
The system dynamically balances system response volume against audio content volume in real-time. When audio content is detected at high volume, the system response volume is adjusted accordingly to prevent interruption, while still ensuring sufficient clarity for the user to hear the response.
Solution Approach 2:
The system changes the volume parameter of system responses based on detected conditions. By monitoring both ambient noise levels and audio content volume, the system adjusts the response volume parameter dynamically to achieve clarity without harmful interruption of audio content.
3Adaptability or versatility
If the system dynamically adjusts system response volume based on real-time measurements, then the adaptability to different environments improves, but the device complexity and processing requirements increase
Solution Approach 1:
The system uses the existing microphones and audio processing capabilities of the playback device for multiple purposes: both for detecting ambient noise levels and for monitoring audio content volume. This multi-functional use of existing components reduces the need for additional dedicated hardware for environmental sensing.
Solution Approach 2:
The system uses its own audio output and existing microphones to perform self-diagnosis of the acoustic environment. By monitoring its own audio content and ambient noise through its built-in sensors, the system achieves environmental adaptation without requiring external measurement devices.
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
This approach ensures that system responses are heard clearly and consistently, regardless of changes in ambient noise or audio content volume, enhancing user experience by preventing missed alerts and maintaining audio content enjoyment.
Implementation Method 1
a microphone in the listening area measures a sound pressure level
Data Source
AI summary
Systems and methods disclosed herein include, determining that a requirement exists to output a system response. In response to determining that a requirement exists to output a system response, (i) setting a system response volume for a first speaker associated with the first networked device and (ii) outputting a system response at the set system response volume via the first speaker associated with the first networked device.