TV LE Audio BIS Mapping for Azimuth-Based Channel Sync

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Solution Overview

Problem

There is a need for an effective method for sound channel configuration in televisions that support Bluetooth-based Low Energy Audio (LE Audio) technology, particularly for managing multiple audio receiving devices and ensuring synchronized audio playback.

Innovation Solution

A display apparatus and method for configuring Broadcast Isochronous Streams (BIS) based on azimuth information, enabling synchronized audio playback across multiple audio receiving devices by determining BIS configuration information and using BIS identifiers for broadcast audio data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple audio receiving devices are connected via Bluetooth for multi-channel audio playback, then audio quality and sound channel configuration flexibility are improved, but device complexity and configuration difficulty increase

Engineering Contradiction:
Improvesound channel configuration flexibilityVSAvoidconfiguration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system performs preliminary actions by automatically scanning for audio receiving devices, obtaining their azimuth information, and pre-configuring BIS parameters before actual audio playback. This automation of preparatory steps resolves the technical contradiction by eliminating manual configuration complexity while maintaining versatile multi-channel audio support.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The display apparatus autonomously performs device discovery, azimuth information acquisition, and BIS configuration without requiring user intervention. The system serves itself by automatically matching audio receiving devices to appropriate sound channels based on their spatial positions, thereby achieving flexible multi-channel configuration while reducing operational complexity.

Inventive Principle:
Principle #25Self-service

2Ease of operation

If automatic device scanning and BIS configuration is implemented, then ease of operation is improved, but loss of time for device discovery and configuration increases

Engineering Contradiction:
Improveconfiguration easeVSAvoiddevice discovery time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The system employs periodic scanning mechanisms that efficiently discover audio receiving devices at optimized intervals. By using periodic action rather than continuous scanning, the system achieves automatic configuration with reduced time consumption, balancing ease of operation against time loss.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system rapidly completes device discovery and BIS configuration processes by streamlining the automated workflow. The configuration is performed quickly through efficient algorithmic matching of azimuth information to sound channels, rushing through the configuration phase to minimize time loss while maintaining operational ease.

Inventive Principle:
Principle #21Skipping (Rushing through)

Data Source

PatentUS20260082169A1Display apparatus and device control method
Publication Date: 2026.03.19 HISENSE VISUAL TECH CO LTD
  • US20260082169A1 patent drawing
  • US20260082169A1 patent drawing
  • US20260082169A1 patent drawing

AI summary

Disclosed are a display apparatus and a device control method. The display device includes: in response to an instruction for selecting target sound channel combination information, initiating a broadcast corresponding to the target sound channel combination information; determining at least one audio receiving device which includes an audio receiving device scanned via a Bluetooth module and/or a connected audio receiving device in a device manager; determining BIS configuration information corresponding to the target sound channel combination information based on azimuth information of a target audio receiving device from the at least one audio receiving device and an azimuth information list corresponding to the target sound channel combination information; where the BIS configuration information includes a corresponding relationship between the target audio receiving device and a BIS identifier, and the target audio receiving device is configured to receive BIS audio data based on the corresponding BIS identifier.