Bluetooth Volume Control for Smart TVs
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Solution Overview
Problem
Smart TVs with Bluetooth functionality face challenges in volume adjustment, as the range of volume change is limited when connected to Bluetooth audio devices, leading to poor user experience and potential distortion when the Bluetooth audio device is at maximum volume.
Innovation Solution
A Bluetooth adaptive volume adjusting method that calculates and sets the volume values for both the smart terminal and Bluetooth audio device simultaneously using specific formulas, allowing for smooth and uniform volume adjustments through the TV's remote control or keypad, thereby overcoming limitations in prior art.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the TV volume gain is adjusted when the Bluetooth audio device volume is at maximum, then the TV volume can be controlled, but audio distortion occurs
Solution Approach 1:
The system implements feedback by continuously monitoring the Bluetooth audio device's volume level and automatically adjusting the TV's volume gain accordingly. When the Bluetooth device volume is high, the TV gain is reduced to prevent distortion; when the Bluetooth device volume is low, the TV gain is increased to maintain adequate output level. This closed-loop control eliminates distortion while preserving ease of operation.
Solution Approach 2:
The system dynamically changes the TV's volume gain parameter based on the Bluetooth audio device's volume level. By adjusting the gain parameter in real-time according to the connected device's volume state, the system prevents distortion at high volumes while maintaining control flexibility, resolving the contradiction between ease of operation and distortion prevention.
2Ease of operation
If only the TV's Bluetooth channel volume is adjusted, then the TV volume can be controlled, but the volume adjustment range is limited when the Bluetooth audio device volume is very small
Solution Approach 1:
The system merges the TV's volume control with the Bluetooth audio device's volume control into a unified adjustment mechanism. By combining both volume controls and coordinating their adjustments, the system extends the overall volume adjustment range beyond what either device could achieve alone, while maintaining simple user operation through a single remote control interface.
Solution Approach 2:
The volume adjustment system becomes multi-functional by simultaneously controlling both the TV's audio output and the Bluetooth audio device's volume. This universal control mechanism allows the single volume key to effectively adjust the overall system volume across a wide range, regardless of the individual device volumes, enhancing adaptability while preserving ease of operation.
Data Source
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AI summary
The present disclosure discloses a Bluetooth adaptive volume adjusting method and device. The method includes: obtaining an adjustable maximum volume value of a Bluetooth audio device and a user adjustable maximum volume value, after a smart terminal being connected with the Bluetooth audio device; obtaining a volume value indicated by a volume adjustment instruction, after receiving the volume adjustment instruction; calculating a volume value of the smart terminal according to the volume value indicated by the volume adjustment instruction, calculating a volume value of the Bluetooth audio device according to the volume value indicated by the volume adjustment instruction, the adjustable maximum volume value of the Bluetooth audio device, and the user adjustable maximum volume value; setting the volume of the Bluetooth audio device according to the obtained volume value of the Bluetooth audio device, setting the volume of the smart terminal according to the obtained volume value of the smart terminal. With the present disclosure, a volume gain value of a television and a volume of a Bluetooth audio device can be adjusted uniformly, thereby realizing a smooth and uniform volume adjustment effect, and thus the problems of Bluetooth volume adjustment such as distortion, small variation in volume adjustment in the prior art are solved.