Public Address Systems TRIZ Cases
- Vehicle Audio Acoustic Simulation via Convolution Reverb
Convolution reverb processing simulates vehicle interior acoustics for online audio quality comparison without physical testing.
- Speaker Array Equalization Using Segmented Frequency Response Analysis
Segments equalization into individual and array stages to resolve frequency response accuracy versus processing complexity trade-offs.
- Live Audio Distribution via Impulse Response Segmentation
Live audio distribution system segments sound source and reverberation data to replicate venue ambiance without full complexity.
- Telecommunications Device With Inclined Microphone Array
Segmented microphones at 120-degree angles reduce echo and reflections while maintaining reliable audio capture across meeting spaces.
- 3D Multi-Layer Speaker Control via Layer Gain Factors
A multi-layer speaker arrangement uses layer gain factors to position three-dimensional sound accurately.
- Multi-Device Audio Recording with Speaker Identification
Distributed mobile devices capture and merge audio streams to identify speakers, resolving setup complexity and improving recording reliability.
- Audio Playback Activation via Location-Based Speaker Grouping
Beacon devices transmit location data to a control panel that dynamically activates speaker groups, eliminating manual selection.
- Bluetooth Audio Playback Group Management
A Bluetooth audio playback method establishes a private network among multiple playing devices to enable simultaneous music reproduction.
- Terminal Device Sound Diagnosis for Image Forming Apparatus
A terminal device detects sound from an image forming apparatus and outputs position guidance data to optimize recording placement.
- Chairman Microphone Integrating Conference Control Functions
Chairman microphone unit merges control functions to eliminate separate centers, reducing setup complexity.