Inaudible Audio Pattern Encoding for Passive Data Transmission
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Solution Overview
Problem
Consumers often fail to recall product information or coupons from advertisements due to situational distractions, and existing methods require active engagement with personal devices to access such information.
Innovation Solution
Systems and methods that encode messages into inaudible audio patterns, which can be transmitted and decoded by user devices during media consumption, allowing for passive receipt and display of product details and coupons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If consumers actively search for products using personal devices, then product information can be found, but consumer effort and time are required
Solution Approach 1:
The system allows product information to be automatically transmitted to consumers without requiring them to actively search. The audio pattern encoding and automatic decoding process enables the information delivery system to serve itself by pushing relevant product data to consumers' devices based on their location and context, eliminating the need for manual searching.
Solution Approach 2:
Product information is prepared and encoded into audio patterns in advance, before consumers need it. The system pre-positions the information in the environment through audio broadcasting, so when consumers arrive at a location, the information is already available for automatic reception and display on their devices.
2Loss of information
If audio patterns are made inaudible to humans, then data can be transmitted during media consumption, but detection becomes more difficult
Solution Approach 1:
The system replaces human auditory detection with electronic device-based detection. Instead of relying on human ears to hear the audio patterns, the invention uses device microphones and software algorithms to detect, decode, and interpret the inaudible audio patterns containing product information.
Solution Approach 2:
The audio patterns are encoded at specific frequency parameters that are inaudible to human ears (typically ultrasonic frequencies above 20 kHz). By changing the frequency parameter of the audio signal beyond human hearing range, the system can transmit data without human perception while still allowing device-based detection and decoding.
Data Source
AI summary
Systems and methods for data communication using audio patterns are described. The methods include encoding a message into an audio pattern, mixing the audio pattern with an audio content to obtain a mixed audio content, wherein the audio pattern is inaudible in the mixed audio content, and transmitting the mixed audio content.