Spatial Audio Management via Device State Detection

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Solution Overview

Problem

Existing techniques for managing spatial audio in electronic devices are cumbersome and inefficient, often requiring complex user interfaces that waste time and energy, particularly in battery-operated devices, and do not provide adequate contextual awareness or navigation assistance.

Innovation Solution

The implementation of faster and more efficient methods and interfaces for managing spatial audio, including displaying visual elements on a screen, accessing corresponding audio, and transitioning audio modes based on user input, allowing for intuitive control of audio perception in three-dimensional space using multiple speakers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If complex user interface techniques are used for spatial audio management, then audio control functionality is achieved, but user time and device energy are wasted

Engineering Contradiction:
Improvespatial audio controlVSAvoiduser time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The system automatically detects user actions (such as picking up the device) and autonomously transitions audio between modes without requiring explicit user commands. The device serves itself by monitoring its own state and making appropriate audio mode adjustments, eliminating the need for complex user interfaces and multiple key presses.

Inventive Principle:
Principle #25Self-service

2Ease of operation

If complex user interface techniques are used for spatial audio management, then audio control functionality is achieved, but device energy is consumed

Engineering Contradiction:
Improvespatial audio controlVSAvoiddevice energy
Core Design Contradiction:
Ease of operationVSUse of energy by stationary object

Solution Approach 1:

The device autonomously manages audio modes by detecting its own physical state (e.g., whether it is being held or placed down), eliminating the need for continuous user interaction and complex interface processing that would consume additional energy.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system uses periodic detection of device state changes (such as accelerometer data indicating device pickup or placement) to trigger audio mode transitions, rather than requiring continuous user input processing, thereby reducing energy consumption while maintaining functionality.

Inventive Principle:
Principle #19Periodic action

3Loss of information

If visual element is displayed on the display, then user can see audio information, but audio should be perceived from display direction

Engineering Contradiction:
Improveaudio information visibilityVSAvoidaudio direction perception
Core Design Contradiction:
Loss of informationVSAdaptability or versatility

Solution Approach 1:

The audio mode dynamically changes based on device state. When the device is picked up, the system transitions from a first mode (audio perceived from display direction) to a second mode (audio perceived from off-display directions), allowing the audio behavior to adapt to the physical context while maintaining visual information display.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20240402987A1Spatial management of audio
Publication Date: 2024.12.05 APPLE INC
  • US20240402987A1 patent drawing
  • US20240402987A1 patent drawing
  • US20240402987A1 patent drawing

AI summary

The present disclosure generally relates to user interfaces for managing spatial audio. Some exemplary techniques include user interfaces for transitioning between visual elements. Some exemplary techniques include user interfaces for previewing audio. Some exemplary techniques include user interfaces for discovering music. Some exemplary techniques include user interfaces for managing headphone transparency. Some exemplary techniques include user interfaces for manipulating multiple audio streams of an audio source.