Voiceover Device Muting Circuit for Audio Substitution
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Solution Overview
Problem
Existing voiceover devices are complex, expensive, and not suitable for home environments or non-musical soundtracks, lacking the ability to be easily adapted to existing audiovisual devices like televisions without modification and enabling multiple users to add audio information simultaneously.
Innovation Solution
A low-cost voiceover device with a wireless input transmitter, receiver, amplifier, and muting circuit that allows users to input and transmit voiceover audio information, capable of muting the original audio output of audiovisual devices to substitute user audio, and includes features like heart rate monitoring and multiple user support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional voiceover devices are used, then audio information can be added to video sources, but the devices become very complex and expensive
Solution Approach 1:
The voiceover device is divided into separate functional modules: a muting circuit that interfaces with the audio-visual device, a voiceover circuit that processes user input, and a controller that coordinates between them. This segmentation allows each module to perform its function independently, reducing overall system complexity while maintaining voiceover capability.
Solution Approach 2:
The invention extracts the voiceover function from complex studio equipment and implements it as a standalone external device that connects to existing audio-visual devices. By taking out the voiceover capability as a separate unit with simplified circuitry, the system achieves voiceover functionality without requiring modification of the original audio-visual device and without the complexity of integrated solutions.
2Reliability
If professional voiceover devices are used, then audio mixing capability is provided, but the cost becomes very high
Solution Approach 1:
The voiceover device uses inexpensive electronic components such as standard amplifiers, muting circuits, and microcontrollers that can be manufactured at low cost. The design avoids expensive professional audio equipment by using readily available consumer-grade components that provide sufficient functionality for home environments.
Solution Approach 2:
The device provides automatic muting control through a voice-activated sensor that detects when a user is speaking and automatically mutes the original audio without requiring manual intervention. This self-service approach eliminates the need for expensive manual mixing consoles while maintaining audio quality.
3Reliability
If voiceover devices are designed for studio use, then professional functionality is achieved, but adaptability to existing audiovisual devices is reduced
Solution Approach 1:
The voiceover device is designed with universal connectivity that can interface with various types of audio-visual devices including televisions, projectors, and monitors through standard audio input/output connections. The muting circuit can work with different audio formats and the voiceover circuit accommodates various input devices such as microphones and audio sources, making the system adaptable to existing equipment without requiring modification.
4Reliability
If complex voiceover systems are used, then audio quality is maintained, but ease of operation decreases
Solution Approach 1:
The device incorporates an automatic voice-activated muting feature that detects user speech and automatically mutes the original audio, eliminating the need for manual control. This self-service operation maintains audio quality through proper signal processing while making the device extremely easy to use - users simply speak into the microphone and the system handles all control functions automatically.
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 easy, cost-effective voiceover capabilities on existing audiovisual devices like televisions, allowing multiple users to contribute audio simultaneously while displaying heart rate, without requiring device modification, enhancing user engagement and interaction.
Implementation Method 1
The input device has a wireless input transmitter for transmitting the voiceover audio information
Implementation Method 2
A voiceover circuit is connected to the receiver comprising an amplifier for amplifying the voiceover audio information for driving a speaker
Implementation Method 3
A muting circuit is connected to the receiver for muting the audio output of the audio-visual device upon the receiver receiving a voiceover audio input
Data Source
AI summary
A voiceover device is disclosed for use with an audio-visual device having a video display and an audio output. The voiceover device comprises an input device for receiving voiceover audio information from a user. A receiver receives the voiceover audio information of the user. A voiceover circuit is connected to the receiver for amplifying the voiceover audio information for driving a speaker. A muting circuit is connected to the receiver for muting the audio output of the audio-visual device upon the receiver receiving a voiceover audio input from the input device to substitute the voiceover audio information from the user for the original audio output of the audio-video display.