Audio Sample Matching for Contextual Ad Delivery
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Solution Overview
Problem
Conventional methods for advertising audio/video playback media on the Internet often present irrelevant advertisements, as they rely on text descriptions that may not be available for all content, leading to mismatched ads and reduced effectiveness.
Innovation Solution
A method where an electronic device communicates with an advertising broadcast server to extract a sample from the audio/video data, compare it with target information, and play back relevant advertisements, ensuring content relevance and user engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If text description matching is used for advertisement selection, then advertisement delivery can be implemented, but advertisement relevance to video content cannot be ensured when text descriptions are unavailable
Solution Approach 1:
The patent replaces the text-based matching mechanism with an audio-based recognition mechanism. Instead of relying on text descriptions to match advertisements with video content, the system extracts audio features from the video content and uses audio recognition technology to identify and match relevant advertisements, thereby ensuring advertisement relevance even when text descriptions are unavailable.
Solution Approach 2:
The patent changes the matching parameter from text descriptions to audio features. By extracting audio samples from video content and comparing them with audio samples in the advertisement database, the system transforms the advertisement matching process from text-based to audio-based, ensuring reliable advertisement relevance across all video types regardless of text availability.
2Ease of operation
If transparent overlay advertisements are displayed during video playback, then users can watch video and advertisement simultaneously, but user experience deteriorates due to irrelevant advertisement content
Solution Approach 1:
The patent replaces the keyword-based advertisement selection system with an audio recognition-based system. By using audio feature extraction and matching, the system can accurately identify contextually relevant advertisements to display as transparent overlays during video playback, thereby maintaining ease of simultaneous playback while eliminating user experience degradation caused by irrelevant advertisements.
3Reliability
If audio feature extraction and matching is implemented, then advertisement relevance is improved, but processing time and computational resources increase
Solution Approach 1:
The patent extracts only specific audio features (such as audio fingerprints or key acoustic characteristics) from the video content rather than processing the entire audio signal. This partial action approach maintains high advertisement matching accuracy while significantly reducing processing time and computational resource requirements compared to comprehensive audio analysis.
Solution Approach 2:
The patent pre-processes and stores audio features from video content and audio samples from advertisements in advance. By performing audio feature extraction and organizing matching data beforehand, the system reduces real-time processing requirements during actual advertisement delivery, thereby improving matching accuracy while minimizing processing time delays.
Data Source
AI summary
A method for advertising based on audio/video (AV) content is to be implemented by an electronic device and includes the steps of: receiving target information from an advertising broadcast server; accessing AV data for playback, followed by extracting a sample which corresponds to a portion of content of the AV data; comparing the sample thus extracted with the target information received from the advertising broadcast server; when the sample includes content that matches the target information, transmitting a confirmation message to the advertising broadcast server; and receiving an advertisement file corresponding to the target information and transmitted by the advertising broadcast server for playback.