Playback Loudness Profiles for Volume Control During Media Replacement
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Solution Overview
Problem
During media content replacement events, playback devices often fail to respond to user-triggered volume adjustments, leading to a poor user experience as they lack access to volume playback information from the original source, resulting in volume malfunctions or unresponsive controls.
Innovation Solution
A playback device determines the loudness level of the original media content, compares it to a reference loudness level profile, and adjusts its volume accordingly while presenting replacement content, using a smoothing filter to smoothly transition to the target volume level, thereby detecting and responding to user adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the playback device presents replacement media content from a second source during media content replacement events, then the device can provide targeted advertisements or alternative content, but the device loses access to volume playback information from the original source, causing volume controls to become unresponsive
Solution Approach 1:
The system implements feedback by continuously monitoring the loudness level of the first media content and comparing it against a reference loudness level profile. This feedback mechanism allows the playback device to detect when volume adjustments occur during media replacement events, enabling the device to respond appropriately by adjusting the volume of the second media content to match user intent.
Solution Approach 2:
The loudness level profile serves as an intermediary that bridges the gap between the first and second media content sources. By establishing a reference loudness level profile before media replacement occurs, the system creates a mediator that allows volume information to be transferred and maintained across the media replacement boundary, preventing loss of volume control functionality.
2Productivity
If the playback device switches from first media content to second media content during replacement events, then targeted advertisements can be delivered, but volume malfunctions occur because the device cannot detect user-triggered volume adjustments
Solution Approach 1:
The system performs preliminary action by determining the loudness level of the first media content and comparing it with the reference loudness level profile before the media replacement fully takes effect. This advance preparation allows the playback device to calculate the appropriate target volume level in advance, ensuring that volume control functionality is maintained when the second media content begins playback.
Solution Approach 2:
The continuous monitoring and comparison of loudness levels provides feedback that enables the system to detect user volume adjustments during media replacement events. This feedback loop ensures that volume control operations remain reliable even when the media source changes, preventing volume malfunctions while maintaining advertising delivery productivity.
3Measurement precision
If the playback device uses loudness level comparison to detect volume adjustments, then user-triggered volume changes can be identified, but the system complexity increases due to additional processing requirements
Solution Approach 1:
The system utilizes parameter changes by monitoring the loudness level parameter of the media content over time. By comparing the current loudness level against the reference loudness level profile, the system can detect volume adjustments through changes in this single parameter. This approach achieves high measurement precision for volume adjustment detection while avoiding the need for complex multi-parameter analysis.
Data Source
AI summary
In one aspect, an example method includes (i) determining, by a playback device, a loudness level of first media content that the playback device is receiving from a first source; (ii) comparing, by the playback device, the determined loudness level of the first media content with a reference loudness level indicated by a loudness level profile for the first media content; (iii) determining, by the playback device, a target volume level for the playback device based on a difference between the determined loudness level of the first media content and the reference loudness level; and (iv) while the playback device presents second media content from a second source in place of the first media content, adjusting, by the playback device, a volume of the playback device toward the target volume level.