Electrophonic Musical Instruments TRIZ Cases

Spring mechanism adjusts pedal angle and detects movement via insulated electrodes, eliminating secondary sounds from mechanical beaters.

A sound signal processing device divides mixed audio into frequency bands to calculate level ratios for main sound extraction.

An acceleration sound delay unit prevents passenger discomfort from sudden pitch changes during rapid vehicle acceleration.

Hall effect sensors on the vibrato arm detect rotation to send pitch change instructions, resolving tuning accuracy issues in mechanical systems.

A guitar controller uses a whammy bar and tilt sensors to simulate realistic playing techniques.

Processor detects musical performance status to control switching process execution in electronic keyboard instruments.

A score display method switches to writing mode with one operation while enlarging the target area.

A digital audio processing device adds even and odd harmonics to correct waveforms in both increasing and decreasing phases.

A movable unit connects to a vibrated body via a segmented drive shaft and restricting mechanisms that constrain horizontal displacement.

Pitch differential and duration ratio encoding resolves unreliable interval-based classification by generating precise, transposition-invariant melody metrics.

Dynamic tempo adjustment resolves the contradiction between user comfort and physical performance motivation.

A simplified musical notation system maps notes to pitches using vertical positioning and symbol shapes.

A machine learning synthesis model generates target audio signals by combining independent sound source and style data vectors.

An information reproducing apparatus synthesizes data from multiple sources to construct enriched output signals.

Automated parameter estimation replaces heuristic design, enabling objective metric evaluation and consistent synthesized sound generation.

An automated system processes ultrasound echo amplitude values to identify structural defects without manual visual inspection.

Bent conductive strip with slot creates overlapping loop sections, positioning mass near activity to cancel ambient fields.

An electronic accordion air valve adjusts opening degree based on detected bellows pressure to simulate acoustic airflow dynamics.

Electromagnetic excitation unit drives soundboard vibration without adding mass load, preserving intrinsic acoustic quality.

A musical note generation device convolves attenuated waveform data with impulse response sets to produce resonant tone waveforms.

A vehicle audio method extracts and attenuates main voice components using frequency band segmentation to reduce processing complexity.

A tone signal generating system uses coupled vibration models to synthesize realistic acoustic piano sounds.

Automated machine learning systems generate instrumental accompaniments from vocals, replacing labor-intensive manual production workflows.

A synthetic performance data generator synthesizes individual audio streams into unified output for networked ensemble playback.

An electronic musical apparatus records input phrases and synchronizes rhythm playback to enable seamless loop reproduction.

Transposes individual song sections to different musical keys, enabling singers with narrow vocal ranges to perform all notes without pitch errors.

A data modification method corrects timing information in sound control data to enable flexible tempo adjustments.

A mobile device controls a remote audio mixer through a web browser interface, eliminating wired connections and external routers for portable setup.

Segmenting public and private datasets preserves individual style while generating diverse musical variations.

A playback apparatus uses a notification unit to announce group identification information through sound signals.

A keyboard attachment portion positions a music stand at 35 to 55 degrees to support electronic terminals.

Hierarchical segmentation clusters feature vectors into sound primitives, enabling detection of higher-level events without proportional complexity increases.

A display system coordinates text scrolling with audio playback position using a visual indicator for current lyrics.

Segmented keyboard rows with programmable chord bars resolve the trade-off between ease of operation and device complexity.

Front-facing screw members invert traditional assembly by fixing the instrument main body to the stand without requiring access underneath.

A processor generates center cut audio data from stereo channels to extract vocal or accompaniment sounds using a trained machine learning model.

An information processing apparatus decides processing patterns to execute vibrations and illuminations synchronized with playback content.

Loop circuits delay audio signals while a generator shifts phases to prevent listener discomfort from tempo misalignment.

Memory cells store tone data at cut points to concatenate segments and eliminate audio artefacts.

Protruding attachment member covers cut ends of decorative sheets, preventing edge peeling while maintaining structural integrity.

Signal processing techniques encode user gestures into compressed streams for real-time musical performance rendering on mobile devices.

Segmenting the pickup into a fixed mounting plate and removable coil component resolves the trade-off between tonal customization and structural reliability.

Signal processing manipulates delay and phase to create virtual sound images outside speaker arrays.

A singing assist system adjusts off-pitch vocals and provides continuing lyrics using autoencoder models.

An asymmetric bridge tray restrains one side to eliminate anti-phase signal cancellation from unequal vibration paths, improving conversion accuracy.

A modular digital signal processing plug-in framework uses a platform-independent logic core and a dedicated bridge module to enable cross-platform software integration.

A piano integrates a video display on its underside to show the pianist's hands in real time.

Acoustic fingerprinting identifies cover and live performances against reference databases, enabling automated royalty management.