Headphone Loudspeaker Spatial Configuration for Immersive Audio

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Solution Overview

Problem

Conventional multi-channel headphones provide only simple audio output and lack the ability to create a diversified listening environment or simulate a sense of space due to loudspeakers being disposed on the same horizontal plane.

Innovation Solution

The headphone device incorporates a container with multiple loudspeakers, cross-feed loudspeakers, and crossovers, along with specific housing structures and output channels to provide a more immersive audio experience by allowing sound to be transmitted through different channels and adjusting time and frequency characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If loudspeakers are disposed on the same horizontal plane in conventional multi-channel headphones, then the structure is simple and easy to manufacture, but it cannot implement a diversified listening environment and the sense of space of a big or a small sound field

Engineering Contradiction:
Improvediversified listening environmentVSAvoidloudspeaker arrangement structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent transitions from a two-dimensional horizontal arrangement of loudspeakers to a three-dimensional spatial configuration. Multiple loudspeakers are positioned at different depths and angles within the headphone housing, creating a volumetric sound field that provides diversified listening environments and simulates big or small sound spaces.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent divides the loudspeaker system into multiple independent units positioned at different locations within the headphone. Each loudspeaker can be independently controlled to deliver specific audio channels, enabling complex multi-channel audio processing and creating diverse spatial listening experiences.

Inventive Principle:
Principle #1Segmentation

2Reliability

If conventional multi-channel headphones use a simple loudspeaker configuration, then the device complexity is low, but it can only provide simple audio output without immersive sound quality

Engineering Contradiction:
Improvesound qualityVSAvoidloudspeaker configuration
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple loudspeakers, cross-feed loudspeakers, and crossover networks into an integrated system. This merging of components enables complex audio processing functions including stereo separation, cross-feed effects, and spatial positioning, thereby delivering immersive sound quality through a unified headphone device.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent implements a multi-functional loudspeaker system where speakers serve multiple purposes: delivering direct audio channels, creating cross-feed effects, and generating spatial sound fields. This multi-functionality allows the system to provide both high-fidelity audio reproduction and immersive three-dimensional sound experiences.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 configuration enables both ears to receive stereo sound effectively, with adjustable time differences and frequency characteristics, enhancing sound quality and providing a more immersive listening experience.

Implementation Method 1

a first loudspeaker disposed in the container, a second loudspeaker disposed in the container, and a first cross-feed loudspeaker disposed in the container

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS10080076B2Headphone device
Publication Date: 2018.09.18 SINTAI OPTICAL SHENZHEN CO LTD
  • US10080076B2 patent drawing
  • US10080076B2 patent drawing
  • US10080076B2 patent drawing

AI summary

A headphone device includes a container and a first electrical connector. The container includes a first loudspeaker disposed in the container, a second loudspeaker disposed in the container, and a first cross-feed loudspeaker disposed in the container. The first electrical connector is disposed on the container, and is electrically connected to the first loudspeaker, the second loudspeaker and the first cross-feed loudspeaker.