3D Audio Mixing With Customizable Feature-Based Parameters

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Solution Overview

Problem

Existing methods for determining three-dimensional position and gain of audio objects in 3D audio mixing fail to consider sound features adequately, leading to difficulties in creating high-quality content and are not user-friendly due to lack of customization options.

Innovation Solution

An information processing apparatus that determines output parameters for 3D audio content based on attribute information of the content and objects, allowing user customization and automatic optimization of the mixing algorithm through a user interface and mathematical functions tailored to individual preferences.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automatic mixing is performed using a decision tree method, then the mixing process is automated and time is reduced, but the sound quality deteriorates because important sound features are not considered

Engineering Contradiction:

Improvemixing speedVSAvoidmixing quality

Core Design Contradiction:

ProductivityVSManufacturing precision

Solution Approach 1:

The patent transforms the mixing algorithm from a decision tree approach to a mathematical function-based approach that incorporates multiple sound features as parameters. By changing the fundamental parameters considered in the mixing process (including sound pressure, frequency characteristics, and temporal features), the system achieves both automation and high-quality results simultaneously.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent replaces the mechanical decision tree system with a mathematical function-based system that can process and evaluate multiple sound features continuously. This substitution allows for more nuanced and accurate mixing decisions while maintaining automation, resolving the contradiction between speed and quality.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Device complexity

If a fixed mixing algorithm is used, then the process is simple and fast, but the system lacks adaptability to different user preferences and content types

Engineering Contradiction:

Improvealgorithm complexityVSAvoidcustomization capability

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent introduces dynamic elements to the mixing system by allowing users to adjust parameters and select different mathematical functions based on their preferences and content requirements. The system transitions from a static, fixed algorithm to a dynamic, adaptable one that can change its behavior based on user input and content characteristics.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent creates a universal mixing system that can handle multiple content types and user preferences through a single mathematical function framework. By designing the system to be configurable and adaptable, it serves multiple functions (different mixing styles, content types, and user preferences) without requiring separate specialized algorithms for each case.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250238122A1Information processing apparatus, information processing method, and program

Publication Date: 2025.07.24 SONY GROUP CORP

AI summary

The present technology relates to an information processing apparatus, an information processing method, and a program that enable creation of high-quality content.An information processing apparatus includes a control unit that determines an output parameter forming metadata of an object of content on the basis of the content or one or a plurality of pieces of attribute information of the object of the content. The present technology can be applied to an automatic mixing apparatus.