Personalized Audio Profile Generation Using 3D Avatar Simulation
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Solution Overview
Problem
Current methods for generating personalized audio profiles for listeners are expensive and not feasible with typical user computing devices, requiring measurements taken in an anechoic chamber using complex equipment.
Innovation Solution
A method that uses a personal computing device to collect data on a user's physical characteristics and generate a personalized audio profile, including an impulse response, transfer function, and convolution, to customize audio playback for the user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If measurements are taken in an anechoic chamber using complex audio equipment, then measurement precision and audio profile accuracy are improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent uses 3D avatars as digital copies of users' anatomical structures (head, ears, body) to represent physical measurements. Instead of physically measuring users in controlled chambers, the system creates virtual models from 3D scans and uses these avatars to simulate acoustic responses, thereby obtaining accurate audio profiles without complex measurement equipment
Solution Approach 2:
The patent replaces the mechanical/physical measurement process (using anechoic chambers and audio equipment to capture actual acoustic responses) with a computational simulation process. The system uses 3D avatars in a virtual environment to calculate impulse responses and transfer functions through computer processing, eliminating the need for physical acoustic measurement facilities
2Measurement precision
If measurements are taken in an anechoic chamber using complex audio equipment, then audio profile accuracy is improved, but cost increases significantly
Solution Approach 1:
The system creates digital 3D avatars that copy users' anatomical features, replacing the need for expensive physical measurement infrastructure. The avatars are generated from standard 3D scanning technology and processed through computational algorithms, significantly reducing the cost barrier while maintaining measurement accuracy
Solution Approach 2:
The patent substitutes expensive physical acoustic measurement systems with computational simulation. Instead of requiring anechoic chambers, specialized audio equipment, and trained technicians to capture acoustic data, the system uses computer processing to calculate acoustic responses from 3D anatomical models, dramatically reducing costs
3Measurement precision
If traditional measurement methods are used, then audio profile accuracy is improved, but ease of operation deteriorates due to complex equipment requirements
Solution Approach 1:
The system uses readily available 3D scanning technology to create user avatars, making the process accessible to typical users without requiring specialized measurement facilities. The 3D avatars are generated from standard scans and processed automatically, simplifying the overall operation while maintaining accuracy
Solution Approach 2:
The patent replaces complex manual measurement procedures with automated computational processing. The system automatically generates 3D avatars from scans, processes them through virtual acoustic simulations, and outputs audio profiles without requiring user interaction with complex equipment or specialized knowledge
Data Source
AI summary
Disclosed implementations for generating personalized audio. Sensor data corresponding with at least one physical characteristic of a user is received. A three-dimensional mesh of the user is updated based on the sensor data. An impulse response for the user is determined based on the three-dimensional mesh. An audio stream is generated based on the impulse response.