Signal Processing TRIZ Cases
- Beamformer Filter Coefficient Optimization Using Phase Regularization
A filter coefficient optimization method calculates optimal values using a regularization term that accounts for phase differences between adjacent frequency bins.
- Mobile-Cluster Audio Adjusting System for Echo and Noise Control
A mobile cluster-based audio adjusting system integrates omnidirectional transducers with computing devices to autonomously sense and adjust sound outputs.
- Signal Separation Using Cumulative Directional Distribution
A signal processing system estimates separation filters and computes directional characteristics distributions to connect signals based on similarity.
- Auto Audio Video Focusing via Microphone Array Segmentation
Microphone array segmentation automates audio focusing and video zooming, eliminating manual user inputs for improved capture quality.
- Virtual Microphone Audio Synthesis and Policy Control
A virtual microphone synthesizes audio streams from physical sensors to capture sound at a specified location.
- Audio Apparatus with Motion-Tracking Lighting Control
Audio apparatus detects user direction and body motion to dynamically adjust lighting effects across multiple directions.
- Electronic Device Sound Control via User Position Detection
An electronic device detects user location and ambient sound to dynamically adjust external audio output properties.
- Video Sound Source Isolation via Beamforming and Object Association
Beamforming algorithms isolate individual sound sources from mixed video audio, enabling selective volume or pitch modification of specific visual objects.
- Assistance System Speech Intelligibility Acoustic Adaptation
An assistance system adjusts speech output parameters based on sensor data to optimize intelligibility for users.
- Headset Audio Processor for Hearing Loss Simulation
Processor extends audio frequency ranges to simulate hearing loss, addressing user naivety about dangerous noise exposure.
- Audio Accessory Elastic Body for Automatic Volume Control
Sensor modules on the elastic body detect deformation to adjust volume automatically, preventing hearing damage from improper insertion.