User Audio Profile Adjustment for Consistent Playback Levels

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Solution Overview

Problem

Users experience distracting or potentially harmful changes in audio output levels when playing content encoded with different standards or volumes, leading to discomfort or hearing damage due to unexpected volume fluctuations.

Innovation Solution

A user profile-based audio adjustment technique that renders audio or audio/video samples, receives user adjustments, and stores these adjustments as a user audio profile to adjust audio output parameters during content playback, ensuring consistent volume levels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If content is encoded according to different standards or at different audio levels, then content compatibility and variety are improved, but audio output level consistency deteriorates

Engineering Contradiction:
Improvecontent compatibilityVSAvoidaudio output level consistency
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The system performs preliminary analysis of the audio content to determine its encoded standard and audio level characteristics before playback. This advance preparation allows the system to pre-calculate the necessary adjustment parameters based on the user profile, so that when the content is played, the volume is already optimized for consistency without requiring real-time adjustments during playback.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system dynamically changes the audio output parameters (volume level, gain) based on the detected content characteristics and the stored user profile. By adjusting these parameters according to the specific encoded standard and original audio level of each content item, the system maintains consistent perceived volume across diverse content sources while preserving their original encoding integrity.

Inventive Principle:
Principle #35Parameter changes

2Stability of the object's composition

If manual volume adjustments are made frequently to compensate for level differences, then audio output level consistency is improved, but user convenience and ease of operation deteriorates

Engineering Contradiction:
Improveaudio output level consistencyVSAvoiduser convenience
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The system automatically performs volume normalization by analyzing each audio content item's characteristics and applying appropriate adjustments based on the stored user profile without requiring user intervention. The device serves itself by detecting content properties, calculating necessary volume adjustments, and applying them transparently during playback, eliminating the need for users to manually adjust volume when switching between different content sources.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system incorporates user feedback during an initial configuration phase where users indicate their preferred audio output levels. This feedback is stored in a user profile and continuously referenced during playback to automatically adjust volumes. The system learns from user preferences and applies them proactively, creating a feedback loop that improves convenience while maintaining consistency without requiring ongoing manual adjustments.

Inventive Principle:
Principle #23Feedback

3Stability of the object's composition

If volume is increased to compensate for low-level content, then audio output level consistency is improved, but risk of hearing damage and user discomfort increases

Engineering Contradiction:
Improveaudio output level consistencyVSAvoidhearing damage risk
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The system analyzes the audio content and determines the appropriate volume adjustment in advance based on the user profile, before the content is played. By pre-calculating the necessary gain adjustment to achieve target consistency levels, the system ensures that even low-level content is boosted to an appropriate volume without exceeding safe listening thresholds, preventing sudden loud surprises that could cause hearing damage or discomfort.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system dynamically adjusts the audio output parameters within safe boundaries defined by the user profile. By changing volume parameters adaptively based on content characteristics while respecting established safety limits, the system maintains consistency across different content levels without allowing adjustments that would result in dangerously high volumes, thus protecting user hearing while achieving audio level stability.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS9466300B2User profile based audio adjustment techniques
Publication Date: 2016.10.11 SONY GROUP CORP
  • US9466300B2 patent drawing
  • US9466300B2 patent drawing
  • US9466300B2 patent drawing

AI summary

Embodiments are directed toward user profile based audio adjustment techniques. The techniques are used to render various audio and/or audio/video content having different audio output parameter values in accordance with a user profile that characterizes a user's desired value and/or range of one or more of the output parameter levels.