Music Beat Selection for Video Rendering Quality
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Solution Overview
Problem
Existing video generation methods using manually selected music beats result in videos that are poor in richness and quality, as the rendering effects may not match the overall effect of the video.
Innovation Solution
A video generation method and apparatus that acquire video objects and audio information, determine initial music beats with characteristic information, select a target music beat based on sound intensity and time, and generate a target video with enhanced rendering effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users manually select music beats to add rendering effects, then the video generation process is simple, but the richness and quality of the generated video deteriorates
Solution Approach 1:
The system automatically detects and selects music beats from the audio track without requiring user intervention. The automatic music beat detection unit analyzes the audio information to identify beat positions and characteristics, enabling the system to serve itself in selecting appropriate rendering effect timing, thus maintaining operational simplicity while significantly improving video richness through multiple beat types including downbeats, voice beats, music phrase beats, and chorus beats.
2Ease of operation
If users manually select music beats, then the operation process is simple, but the matching of rendering effects with video overall effect deteriorates
Solution Approach 1:
The system analyzes multiple parameters of music beats including sound intensity, time position, and beat type characteristics. By evaluating these parameters, the system selects target music beats that best match the video content and rendering effects, ensuring high-quality synchronization. The music beat selection process considers the temporal relationship between beats and video frames, as well as the intensity characteristics, to achieve reliable matching between rendering effects and video overall effect.
3Ease of operation
If only downbeat beats are used as preset music beats, then the operation is simple, but the richness of the video deteriorates
Solution Approach 1:
The system identifies and utilizes multiple types of music beats including downbeat beats, voice beats, music phrase beats, and chorus beats within a single unified framework. Each beat type serves different functional purposes in video rendering, allowing the system to apply appropriate rendering effects at different stages of the music structure. This multi-functional approach to beat selection significantly enriches the video while maintaining automated operation simplicity.
4Adaptability or versatility
If multiple types of music beats are detected and selected, then the richness of video is improved, but the complexity of the system increases
Solution Approach 1:
The system divides the music beat detection and selection process into distinct functional modules: an automatic music beat detection unit that identifies beat positions and basic characteristics, a music beat characteristic analysis unit that evaluates sound intensity and temporal relationships, and a music beat selection unit that determines target beats for rendering effects. This segmentation allows each module to specialize in specific tasks, improving overall system efficiency while managing complexity through modular design.
Solution Approach 2:
The system performs preliminary analysis of audio information to extract music beat characteristics including sound intensity and time positions before the actual video rendering process. By pre-processing the audio data to identify and categorize different beat types, the system prepares the necessary information in advance, which simplifies the subsequent rendering effect application process and reduces real-time computational complexity during video generation.
Data Source
AI summary
The present disclosure provides a video generation method based on music beats, a video generation apparatus based on music beats, an electronic device and a computer-readable storage medium. The method includes: acquiring a plurality of video objects and audio information respectively; determining a plurality of initial music beats in the audio information and characteristic information of each initial music beat, in which the characteristic information at least includes a sound intensity of each initial music beat and time of each initial music beat in the audio information; according to the characteristic information, selecting a target music beat from the plurality of initial music beats; and generating a target video according to the target music beat and the plurality of video objects.