Mobile Audio Mixing for Music Playback and Ambient Sound Awareness
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Solution Overview
Problem
Users of mobile devices face inconvenience and safety issues when listening to music through earphones, as they struggle to hear external sounds, requiring manual intervention to turn off the music or remove earphones to notice surroundings.
Innovation Solution
A mobile device with a sound detection unit, signal processing unit, and sound mixing unit that converts environment sounds into external sound signals and mixes them with music signals to generate a sound mixed signal, allowing the device to selectively play this signal through a speaker, enhancing convenience and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If users wear earphones to listen to music through mobile devices, then music listening quality is improved, but ability to hear external sounds deteriorates
Solution Approach 1:
The patent combines music signals and environment sounds into a single mixed sound signal that is output through the speaker. The sound mixing unit merges these two separate audio sources, allowing users to hear both music and external sounds simultaneously through one output channel, eliminating the need to choose between music quality and environmental awareness.
Solution Approach 2:
The speaker serves multiple functions: it can output music signals alone, environment sounds alone, or a mixture of both. This multi-functionality allows the device to adapt to different listening scenarios, providing both high-quality music listening and environmental sound awareness without requiring separate output devices like earphones.
2Object-affected harmful factors
If users manually turn off music or unplug earphones to hear external sounds, then ability to hear external sounds is improved, but convenience deteriorates
Solution Approach 1:
The mobile device automatically detects environment sounds and mixes them with music signals without requiring user intervention. The sound detection unit continuously monitors the acoustic environment, and the sound mixing unit automatically adjusts the mixing, allowing users to hear external sounds while music continues to play, eliminating the need for manual pausing or device removal.
Solution Approach 2:
The sound detection unit provides continuous feedback about the acoustic environment to the sound mixing unit, which then adjusts the mixed output accordingly. This feedback mechanism allows the system to dynamically respond to environmental sounds and automatically enable sound mixing when external sounds are detected, improving convenience without requiring manual user action.
3Object-affected harmful factors
If users unplug earphones to hear external sounds, then ability to hear external sounds is improved, but safety deteriorates
Solution Approach 1:
By merging music and environment sounds into a single mixed output through the speaker, users maintain environmental awareness without removing earphones, ensuring continuous safety monitoring of the surroundings while enjoying music, thus eliminating the safety risk associated with unplugging earphones in unsafe environments.
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 users to hear both music and environment sounds simultaneously, improving convenience and safety by allowing awareness of surroundings without needing to manually pause music.
Implementation Method 1
The sound detection unit detects the environment sound around the mobile device and converts the environment sound to the external sound signal
Implementation Method 2
the sound mixing unit mixes the music signal with the external sound signal so as to generate the sound mixed signal
Implementation Method 3
the mobile device plays the sound mixed signal through the speaker
Data Source
AI summary
A mobile device and a method for operating the same are provided. The mobile device includes a sound detection unit, a signal processing unit, a sound mixing unit and a speaker. The sound detection unit detects an environment sound around the mobile device and converts the environment sound to an external sound signal. The signal processing unit analyzes the external sound signal and determines whether to enable a sound mixed mode according to an analyzed result. In the sound mixed mode, the sound mixing unit mixes a music signal with the external sound signal to generate a sound mixed signal, and the mobile device plays the sound mixed signal through the speaker.