Bluetooth Speaker Heart Rate Audio Control
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Solution Overview
Problem
Current Bluetooth speakers lack the ability to intelligently control audio playback, failing to continue music until the user falls asleep or stop it before falling asleep, which affects sleep quality and resource usage.
Innovation Solution
A Bluetooth speaker with a central processor that connects to an intelligent wearable device via Bluetooth, using heart rate data to send control instructions to adjust volume, pause, or power off the audio, incorporating modules for volume adjustment, play/pause, and power management to synchronize audio playback with the user's heart rate changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If Bluetooth speaker uses only timed play/off function, then device complexity is reduced, but audio playback intelligence is insufficient
Solution Approach 1:
The system continuously monitors heart rate data from the wearable device and uses this feedback to dynamically adjust audio playback parameters. The central processor receives real-time heart rate information and automatically controls volume, rhythm, pause, and power-off operations based on detected sleep states, creating a closed-loop intelligent control system that adapts to user physiological changes without manual intervention
Solution Approach 2:
The patent introduces a central processor as an intermediary component that mediates between the Bluetooth module (receiving heart rate data) and the audio control module (controlling playback). This intermediary processes heart rate data, determines sleep states, and generates appropriate control instructions, thereby enabling intelligent audio control without requiring direct complex interaction between all system components
2Loss of energy
If music stops before user falls asleep, then resource waste is reduced, but hypnotic function cannot be achieved
Solution Approach 1:
The system performs preliminary actions by gradually adjusting volume down and slowing rhythm before the user actually falls asleep, based on early detection of sleep onset through heart rate monitoring. This preliminary adjustment prepares the audio environment for sleep without abruptly stopping music, maintaining the hypnotic effect while preventing resource waste once sleep is confirmed
Solution Approach 2:
The audio playback parameters are made dynamic rather than static - volume, rhythm, and playback state continuously adapt based on real-time heart rate data. The system transitions smoothly between different playback states (playing, volume down, pause, power-off) based on detected sleep stages, ensuring the hypnotic function remains effective while optimizing resource usage
3Reliability
If music continues to play after user fell asleep, then hypnotic function is maintained, but sleep quality is affected and resources are wasted
Solution Approach 1:
The system uses continuous heart rate monitoring feedback to detect when the user has entered a deep sleep state. Once sleep is confirmed through sustained low heart rate variability patterns, the system automatically adjusts playback parameters or stops music, preventing resource waste while maintaining the hypnotic effect during the transition to sleep
Data Source
AI summary
The invention provides a Bluetooth speaker and an intelligent control method for playing audio, the Bluetooth speaker comprises a housing, a Bluetooth module inside the housing, an audio playing module, an audio control module connected to the audio playing module and a central processor inside the housing, the Bluetooth module and the audio control module are connected to the processor, the speaker is connected to an intelligent wearable device through the Bluetooth module, so that the speaker performs Bluetooth communication with the device, the processor acquires heart rate data transmitted by the device through the Bluetooth module, sends a preset control instruction to the audio control module according to the data, the audio control module controls rhythm, volume, pausing and powering-off when the audio playing module plays audio according to the instruction. The invention intelligently controls audio playing automatically thereby upgrading user's usage experience.