Bluetooth Earphone Playlist Synchronization via SPP Protocol
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current Bluetooth earphones have limited functionality, only allowing remote music playback control and displaying song names, failing to meet user demands for more comprehensive music management and control.
Innovation Solution
A method and system for synchronizing music player functions between a smart device and a Bluetooth earphone, enabling users to view and control all songs, with the earphone setting up a link via the SPP protocol to transmit and compare playlists, allowing detailed control and selection of songs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If Bluetooth earphone only provides basic remote control functions, then device complexity is reduced, but functionality and user satisfaction deteriorate
Solution Approach 1:
The Bluetooth earphone is designed to perform multiple functions beyond basic remote control, including displaying song information, managing playlists, and synchronizing with the music player on the smart device. This multi-functionality approach allows the earphone to serve as both a audio output device and a music control interface, thereby improving adaptability without proportionally increasing complexity.
Solution Approach 2:
The patent introduces a music player application on the smart device as an intermediary between the user and the Bluetooth earphone. This intermediary handles complex music management tasks such as playlist synchronization, song information display, and control signal processing, allowing the earphone itself to remain relatively simple while still providing comprehensive music player functionality.
2Loss of information
If Bluetooth earphone displays only song name, then device complexity is reduced, but information completeness deteriorates
Solution Approach 1:
The information display functionality is segmented between the Bluetooth earphone and the music player application on the smart device. The earphone handles basic song information display through its LED indicators, while the music player application on the smart device provides comprehensive song details including album art, lyrics, and playlist information. This segmentation allows complete information presentation without overloading the earphone's display capabilities.
Solution Approach 2:
The patent extends the information display from the traditional single-dimension LED indicators on the earphone to a multi-dimensional interface by utilizing the smart device's screen. This dimensional transition allows rich visual information presentation while keeping the earphone's role focused on audio output and basic control signaling.
3Ease of operation
If Bluetooth earphone provides full music control, then user convenience is improved, but device complexity increases
Solution Approach 1:
The music player application on the smart device provides self-service functionality by automatically synchronizing playlists between the earphone and the device. This automated synchronization eliminates the need for manual intervention, allowing the system to maintain comprehensive music control capabilities while reducing the operational burden on the user and keeping the control architecture relatively simple.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A method and a system for synchronizing functions of a music player in a smart device and a Bluetooth earphone are disclosed. The method includes: transmitting a first play list to a smart device by a Bluetooth earphone; comparing the received first play list with a second play list by the smart device; receiving and transmitting a first control instruction to the smart device by the Bluetooth earphone when the first play list is consistent with the second play list; and transmitting the second play list to the Bluetooth earphone, and receiving and transmitting a second control instruction to the smart device by the Bluetooth earphone, when the first play list is inconsistent with the second play list.