Wireless Stereo Headset Segmentation for Mono Voice and Stereo Music
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Solution Overview
Problem
Conventional hands-free devices for portable terminals are limited to voice communication and cannot efficiently play music or control multimedia functions without operating the terminal, and they often require a specific distance for stereo audio communication between headsets.
Innovation Solution
A wireless stereo headset system comprising a pair of mono headsets with Bluetooth-enabled modules, where one headset includes function keys for controlling music playback and volume, and both headsets can operate independently for mono or stereo sound output, allowing voice communication and music control without separate terminal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single headset is used for voice communication, then voice communication function is provided, but stereo sound playback cannot be achieved
Solution Approach 1:
The headset system is divided into separate left and right headsets, each capable of independent operation. This segmentation allows the system to provide both voice communication (using one headset) and stereo sound playback (using both headsets simultaneously), resolving the contradiction between functionality and ease of operation.
Solution Approach 2:
Each headset is designed with multi-functionality, containing both voice communication capabilities and music playback capabilities. The headsets can universally serve both voice and music functions, allowing a single headset to provide voice communication while the pair can provide stereo sound, thus achieving both specialized and universal functionality.
2Manufacturing precision
If both headsets are used for stereo sound, then stereo sound quality is improved, but voice communication convenience is reduced
Solution Approach 1:
The system segments the headset functionality so that voice communication can be performed using a single headset while stereo sound is achieved using both headsets. This segmentation allows independent optimization for each function, maintaining sound quality when needed while preserving communication convenience when needed.
Solution Approach 2:
The headset system dynamically adapts its operation mode based on user needs. The headsets can switch between mono voice communication mode and stereo music playback mode, allowing the system to optimize performance for the current task rather than being fixed in a single configuration.
3Ease of operation
If hands-free devices are connected by cable, then voice communication is provided, but mobility and convenience are reduced
Solution Approach 1:
The patent replaces the mechanical cable connection with wireless Bluetooth communication technology. This substitution eliminates the physical constraint of cables, allowing headsets to communicate voice signals wirelessly while maintaining full voice communication functionality and significantly improving user mobility and convenience.
4Adaptability or versatility
If portable terminal must be operated separately for music playback, then voice communication function is maintained, but overall system efficiency is reduced
Solution Approach 1:
The patent merges the voice communication function and music playback control function into a single integrated headset unit. The headset can simultaneously handle both voice communication and music playback without requiring separate terminal operations, thereby improving overall system efficiency and user convenience while maintaining full 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
Enables convenient voice communication and stereo sound playback with improved user experience by allowing independent operation of headsets for voice and music functions, enhancing usability and sound quality.
Implementation Method 1
a Bluetooth® enabled module, for converting sound signals received from a device, transmitting the sound signals into sounds
Implementation Method 2
a speaker unit and a Bluetooth® enabled module, for converting sound signals received from a device, transmitting the sound signals into sounds and outputting the sounds
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
Disclosed is a wireless stereo headset. The wireless stereo headset includes a first headset including a speaker unit and a Bluetooth® enabled module, for converting sound signals received from a device, transmitting the sound signals into sounds and outputting the sounds, and a second headset including a speaker unit and a Bluetooth® enabled module, for selectively receiving a portion of the sound signals which are converted into sounds and outputting the sounds, thereby accomplishing mono sound by using the first headset according to a user's request or achieving stereo sound by using the first and second headsets. The wireless stereo headset can perform voice communication by using only the first headset, while accomplishing stereo sounds by using both the first and second headsets, thereby using the wireless stereo headset to enjoy an improved sound quality.