Pseudo-Stereo Systems TRIZ Cases

A digital processor extracts ambient portions from multi-channel signals to generate spatial effect signals for individual three-dimensional sound reproduction.

A stereo audio enhancement architecture modulates summation and ambience signals with time-dependent functions to generate dynamic spatial effects.

N:1:N spatial audio coding applies phase compensation and angle rotation to reduce coupling cancellation artifacts at low bitrates.

An early reflection generator synthesizes spatial audio cues for headphone playback.

Resample digital audio filters using continuous-time bandlimited impulse responses to adapt virtualization profiles across varying sample rates.

Asymmetric filtering of front and rear channels prevents phase problems and frequency cancellations while creating a natural spatial sound image.

Directionally-controlled reflections synthesize binaural room impulse responses, eliminating sound coloration and time smearing from physical room replication.

Extract centre channel audio signals from stereo inputs using frequency-dependent magnitude and phase differences for accurate virtualization.

Groups input channels into surround sets linked to dedicated buses, reducing manual configuration time for multi-source audio mixing.

Audio processing system aligns sound objects with visual elements by extracting image depth data to control power, gain, and delay across multiple speakers.

Decomposing HRTFs into vertical and lateral parts with Bayesian estimation reduces measurement time while maintaining precise sound localization accuracy.

Binaural filtering on near-field headrest speakers creates virtual sound sources, resolving the trade-off between spatial audio quality and cabin speaker count.

Head position tracking drives cross talk cancellation and soundfield suppression to deliver individualized audio without headphones.

Gain setting units adjust subtraction coefficients so generated surround channels match the positive correlation of actual content.

Speaker apparatus widens sound image localization range via signal processing to resolve narrow gap interference between instrument and music sounds.

Audio processor generates stereo output from mono input using delayed signal summation to resolve in-head localization without excessive processing power.

Parametric directional propagation simulates sound fields using encoded impulse response data to render realistic audio in virtual environments.

Segmenting spectral bands into separate bass streams prevents loudspeaker overload and maintains directional separation in vehicle audio systems.

Sound processing system separates audio input signals into spatial slices based on perceived source locations for independent channel reconstruction.

A system creates surround sound images by processing left and right audio signals with rear localization filters.

Segments stereo inputs into center, ambient, and side components to attenuate crosstalk artifacts and improve spatial sound localization.

Hybrid audio processing separates direct and diffuse sound components for distinct parametric and linear rendering.

Multi-way analysis decomposes transfer functions into basis functions and gain factors, reducing processing block complexity while maintaining spatial accuracy.

A hybrid audio filter applies frequency-dependent warping to decorrelate signals while preserving timbral fidelity.

A virtual height filter processes audio signals to generate immersive playback channels.

A multichannel sound system derives surround signals from stereo inputs to improve spatial reproduction.

Multiple equalizers tune frequency characteristics to replicate original sound fields in different listening environments.

An ear shape analysis device generates average ear shapes from sample data to compute head-related transfer functions.

A multi-channel speaker system adjusts center channel time delay to improve sound image localization.

Audio system applies speaker driver signals to simulate acoustic output at precise locations, reducing crosstalk interference between discrete areas.

An external audio enhancement module processes digital signals to apply 3D spatialization and transient effects.

Adjusts head-related transfer function values based on scene context to fix unrealistic sound proportions in games.

Audio device generates multiple surround signals using adaptive filters with distinct step size parameters.

Adjustable phase shifts in wireless hearing aids resolve the trade-off between single-microphone simplicity and binaural sound localization reliability.

A user interface device maps sound field attributes to a coordinate axis, allowing users to specify positions that automatically define multiple signal processing parameters.

Separating stereo signals into frontal and side components reduces computational complexity and comb filtering artifacts during binaural rendering.

Synthesizes stereo output signals by applying azimuth and elevation dependent filter responses to monaural audio tracks.

A stereo to multi-mono conversion device estimates phantom source locations to direct specific signal components through defined azimuthal angles.

Delay units synchronize audio data across wired and wireless channels, eliminating timing gaps that cause listener discomfort in multi-speaker systems.

An audio signal processing apparatus adjusts phase differences and level ratios to control sound image localization across frequency bands.

HUPOLS principle subdivides room impulse response into early stereo and late mono parts to generate high quality audio.

Adaptive gain factors minimize sound difference for central listeners while applying stereophonic signals to the center channel for off-center imaging.

An audio processing system segments sound data into individual channels to create a dynamic sound environment.

Dynamic listener position sensing modifies speaker parameters to maintain stereoscopic sensation across varying positions.

Virtual reproduction signals simulate stereophonic sound at multiple vehicle positions, resolving precision complexity trade-offs via copying and segmentation.

A multichannel audio precompensation controller estimates impulse responses at multiple measurement positions to optimize acoustic response across a listening region.

A hybrid audio processing system splits sound streams into near-field and far-field rendering paths for concurrent playback.

A feature recognition algorithm identifies visual elements in video to associate monophonic sounds with spatial locations for stereophonic audio generation.

A spatialization engine maps stereo audio to curved screen portions for immersive remote venue replication.