Multi-Camera Audio Recording With Dual Bluetooth Earbuds
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Solution Overview
Problem
Electronic devices face challenges in distinguishing and recording audio from multiple cameras, leading to imbalanced audio levels and degraded quality when using binaural wireless audio devices for video recording, as only monaural data from a primary earbud is transmitted, affecting the audio quality of images captured by both front and rear cameras.
Innovation Solution
The electronic device establishes separate communication links with both earbuds of a binaural wireless audio device through Bluetooth, allowing simultaneous recording and synchronization of audio data from each earbud with images from separate cameras, enabling synchronized storage and playback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the electronic device uses only its own microphone to record audio during multiple camera recording, then the device complexity is reduced, but the audio quality and balance from different camera perspectives deteriorates
Solution Approach 1:
The patent divides the audio recording system into separate channels for each camera by establishing independent communication links with each earbud. The first camera is paired with the first earbud and the second camera with the second earbud, allowing separate audio recording for each perspective. This segmentation resolves the contradiction by enabling differentiated audio quality for each camera without requiring a single complex omnidirectional recording system.
Solution Approach 2:
The patent introduces external earbuds as intermediary devices to capture and transmit audio data to the electronic device. Each earbud acts as an independent audio capture point corresponding to its paired camera's perspective. This intermediary approach allows the electronic device to receive balanced, perspective-specific audio without increasing its own hardware complexity.
2Device complexity
If the electronic device receives audio data from a binaural wireless audio device using a single communication link, then the device complexity is reduced, but the audio quality and spatial accuracy deteriorates due to monaural transmission
Solution Approach 1:
The patent segments the communication link into two separate Bluetooth connections: one between the first earbud and the electronic device, and another between the second earbud and the electronic device. This allows each earbud to transmit audio data independently, preserving spatial audio information and enabling the electronic device to receive stereo or binaural audio rather than mixed monaural audio, thus improving audio quality without requiring complex wired connections.
3Manufacturing precision
If the electronic device establishes separate communication links with both earbuds for binaural recording, then the audio quality and balance improve, but the device complexity increases
Solution Approach 1:
The patent replaces potential complex wired audio connections with wireless Bluetooth communication links. By using wireless technology, the system achieves separate audio channel transmission without the mechanical complexity of multiple physical audio jacks or cables. The Bluetooth protocol handles the complexity of simultaneous multi-device connections, allowing the electronic device to maintain simple hardware architecture while supporting sophisticated binaural audio recording.
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
This solution ensures balanced audio levels and improved quality by separately recording and storing audio data from each earbud, enhancing the overall audio recording experience during multiple camera use.
Implementation Method 1
receive first audio data obtained from the first earbud through the first communication link
Implementation Method 2
receive second audio data obtained from the second earbud through the second communication link
Data Source
AI summary
An electronic device is provided. The electronic device includes a first camera, a second camera, a display, a communication circuit, memory storing one or more computer programs, and one or more processors communicatively coupled to the first camera, the second camera, the display, the communication circuit, and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors, cause the electronic device to display a first image obtained from the first camera and a second image obtained from the second camera through the display in a multiple camera recording mode, display an audio input selection screen related to a plurality of audio inputs through the display, wherein the audio input selection screen includes an item to select a microphone of the electronic device and an item to select an external electronic device connected to the electronic device through at least one Bluetooth communication link, receive a first user input for selecting an external electronic device through the audio input selection screen, in response to the first user input, establish first and second communication links for supporting binaural recording with first and second ear buds included in the external electronic device, through the communication circuit, receive first and second audio data obtained from the first and second ear buds through the first and second communication links, respectively, while performing a recording using the first camera and the second camera simultaneously, and store first and second images obtained from the first and second cameras in synchronization with the first and second audio data.