Wireless Earpiece Local Audio Cache for Power Reduction
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Solution Overview
Problem
The high power consumption of wireless earpieces due to the large amount of data required for music playback limits their battery size and duration, making it difficult to create a compact and comfortable device that can play music for extended periods without wired connections.
Innovation Solution
A wireless earpiece is designed with local memory to cache audio files, reducing data transfer and power consumption by storing music files locally, allowing synchronization with a mobile device through a docking interface, either wired or wireless, and using the mobile device's battery for charging and data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless data transfer is used for music playback, then wireless convenience is achieved, but power consumption increases significantly
Solution Approach 1:
The patent applies preliminary action by pre-downloading and caching music files to local storage before playback. This allows the earpiece to play cached files locally without continuous wireless data transfer, significantly reducing power consumption while maintaining wireless convenience for control and playlist management.
2Duration of action of moving object
If a large battery is placed in the wireless earpiece to extend playback duration, then power supply capacity increases, but device size and comfort increase
Solution Approach 1:
The patent reduces battery size requirements by pre-loading music files into local cache storage before playback sessions. This preliminary caching action decreases the power demand during playback, allowing for a smaller battery that fits comfortably in the earpiece while still providing extended playback duration.
Solution Approach 2:
The patent creates local copies of music files in the earpiece's cache memory, eliminating the need for continuous wireless streaming. This copying approach reduces the power consumption burden on the battery, enabling a smaller battery design that maintains comfortable form factor while extending effective playback duration through efficient local playback.
3Use of energy by moving object
If local memory is added to cache audio files, then power consumption decreases, but device complexity increases
Solution Approach 1:
The patent merges the earpiece with a docking station that provides cache storage and file management capabilities. This combination allows the earpiece to offload complex memory management and file caching operations to the docking station, reducing the earpiece's internal complexity while still achieving local playback and reduced power consumption.
Data Source
AI summary
A wireless earpiece may include a local memory for storing audio files that can be played back by the user. The wireless earpiece may fit entirely within the user's ear canal. Audio files, for example music files, may be loaded on the wireless earpiece by docking the wireless earpiece with a mobile device, which includes a larger memory storing the user's library of music files. The stored audio files may be received from a mobile device that were automatically selected from a library of music files by the mobile device without intervention from the user. To provide stereo sound, two wireless earpieces may be worn by the user and docked separately with the mobile device. Each of the two wireless earpieces may store a single channel of an audio file, which is separated by the mobile device during synchronization.