Stereophonic Systems TRIZ Cases

Audio processing system profiles environmental parameters to enhance signal quality.

Sum and cross filters process stereo signals to simulate desired sound systems without introducing coloration or resonance artifacts.

Physics simulation determines frequency shifts from motion data, enabling real-time Doppler effect rendering without excessive computational complexity.

Upward-firing speaker array projects sound vertically to create near-field audio fields, enabling immersive height cues without increasing device volume.

A loudspeaker system generates its own test signals to measure frequency response and adjust equalization filters in real time.

A high-frequency head model uses ray-tracing and half-plane sections to predict interaural time differences.

Collaborative Probabilistic Latent Component Sharing recognizes spectral and temporal aspects to locate sound sources despite frequency collisions.

A vehicle audio system detects driver facial orientation to set a safe sound image angle range.

Dual signal comparison determines user-specific HRTF without specialized measurement equipment.

A multi-channel audio upmixer selects input signal sections to generate distinct section upmix signals for flexible spatial distribution.

Dynamic spectral correction of overlapping time windows balances sum signal levels, reducing phantom sound source shifts and tone changes in downmixed audio.

Gyroscope-based head tracking calculates dynamic filter coefficients to eliminate in-head localization artifacts during free movement.

Anchoring audio sources with target perceived loudness metadata enables rendering devices to automatically adjust volume levels.

Digital signal processor delays low frequency components to synchronize audio output from ceiling reflection speakers.

Sparse representation reconstructs personalized head-related transfer functions from anthropometric features, eliminating time-consuming acoustic measurements.

A car audio system defines specific listening zones using tailored frequency responses and strategic speaker placement.

A signal processing method optimizes response signals for audio rendering by applying perceptual characteristics to reduce computational load.

Plots amplitude intensity as brightness and phase-cycles as hue-variations to reconstruct original sound from visual representations.

Parsing bitstream metadata applies interactive audio effects on soundfields, resolving the trade-off between immersive quality and bit rate.

Models listening areas to simulate playback, resolving inaccuracies in dynamic spatial audio environments.

Sparse grids reduce memory requirements by up to 98% while maintaining high-fidelity three-dimensional audio playback quality.

Audio processing system detects user position and direction to generate sound information for specific output devices.

Calculating sound source distance and angular position via signal response databases recovers lost directional information for full propagation control.

A spatial audio direction vector calculates sound source position to provide precise directional and depth information for immersive viewing.

UWB chips measure distance to distributed speakers, enabling accurate indoor spatialized audio without expensive installations.

A mobile interface automates equalization through integrated algorithms and spectral response calculations.

Reconstructs audio signals using spatial weighting functions to emphasize sound from specific directions.

A virtual sound source localization apparatus adjusts audio signal levels and timing using head movement feedback to maintain surround sense.

A multi-channel output port distributes audio streams across multiple data channels using a single direct memory access pipe.

Wave field synthesis aligns audio source objects with 3D video content, resolving listener positioning dependency and disjointed user experience.

An LFE renderer unit generates spherical heatmaps to identify spatial characteristics of low frequency effects components within audio data.

Visual overlay on camera video enables intuitive listening zone selection without complex acoustic measurement equipment.

Spatial analysis processing creates virtual sources outside the reproduction window to improve sound scene width while maintaining clarity on compact devices.

Display control unit renders audio object information images based on positional data for visual selection.

A binaural rendering engine dynamically updates head-related transfer functions based on detected head rotation angles to generate inter-aural level differences.

Virtual speaker mapping normalizes audio signals across varying physical spaces, preventing volume spikes and dropouts during playback.

A signal processing device predicts relative azimuth using head motion data to generate accurate binaural-room impulse responses.

Segmenting sound fields into sectors with pre-calculated variance and covariance data to resolve complexity-realism trade-offs in occluded audio reproduction.

Rotating a sound scene to position selected audio objects enables user editing of properties while managing processing complexity.

Dynamic audio mapping adjusts sound source depths based on display rendering limits, resolving spatial synchronization issues across varying 3D video hardware.

A low-complexity adaptive audio matrix decoder uses fixed-matrix-variable-gains to minimize inter-channel leakage.

Processor system decomposes acoustic signals into directional and diffuse components for precise spatial reproduction.

Modifying stereo signal pairs with bias gain factors corrects rear-center image mislocation in portable audio decoders.

Frequency-domain modulation creates spatial localization from monophonic sources, resolving device complexity constraints.

A sound reproducing apparatus generates multiple virtual sound signals to create optimal audio sources.

A graphical user interface allows users to position audio objects for playback.

Binaural sound localization encodes events in 3D space, resolving slow text-to-speech delivery and notification awareness issues.

Clustering impulse responses determines loudspeaker polarity, suppressing room reverberation and noise to improve cinema sound imaging accuracy.