Audio Source Separation for Independent Voice and Background Volume
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Solution Overview
Problem
Conventional multimedia content playback systems face difficulties in applying audio source separation functions effectively, especially when dealing with diverse types of content, and lack user-friendly volume control environments that adapt to individual preferences.
Innovation Solution
A multimedia content playback system with a content processing terminal that includes an audio signal processor for separating voice and background signals, a controller for independent volume control, and a GUI processor for user-friendly interface adjustments, allowing for customizable audio environments based on user profiles and content types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If audio source separation function is applied to multimedia content playback systems, then voice and background volumes can be independently controlled, but device complexity increases
Solution Approach 1:
The audio signal is segmented into distinct voice and background components using audio source separation technology. The audio signal processor divides the mixed audio signal into a voice signal component and a background signal component, allowing independent volume control of each component through separate gain adjustment circuits.
Solution Approach 2:
An audio signal processor acts as an intermediary component between the audio source and output devices. This processor includes a voice signal extractor, background signal extractor, and separate volume control circuits that mediate the audio processing to enable independent volume adjustment without requiring complex user intervention.
2Adaptability or versatility
If conventional audio playback methods are used, then device complexity remains low, but adaptability to diverse content types and user preferences is limited
Solution Approach 1:
The system provides dynamic audio environment adjustment by allowing real-time modification of voice and background volume levels based on user preferences and content types. The volume control circuits can dynamically adjust gain levels for voice and background signals independently, adapting to different viewing conditions and user needs.
Solution Approach 2:
The audio signal processor is designed to handle multiple content types (broadcasting signals, IPTV signals, cable broadcasting signals, satellite broadcasting signals) with a single unified architecture. The same voice extraction, background extraction, and volume control mechanisms work across all content types, providing universal adaptability.
3Ease of operation
If audio source separation is implemented, then user preference and content type can be reflected in volume control, but ease of manufacture decreases
Solution Approach 1:
The manufacturing process is segmented into distinct functional modules: voice signal extraction circuit, background signal extraction circuit, voice volume control circuit, and background volume control circuit. Each module can be independently developed, tested, and integrated, simplifying the overall manufacturing process despite the advanced functionality.
Data Source
AI summary
An apparatus and method for providing various audio environments in a multimedia content playback system are disclosed. The content processing terminal of the multimedia content playback system includes an audio signal processor for processing the audio source of multimedia content to produce a voice source and a background source, a controller for controlling the audio signal processor to adjust at least one of the voice source and the background source in accordance with a volume control signal, a GUI processor for acquiring a graphical user interface (GUI) component corresponding to the volume control signal, and a display processor for processing the GUI component and providing the processed GUI component to a display device.