From simple sounds to music, and from still images to videos, various audio-visual stimuli can be presented. Dedicated hardware enables synchronization that is difficult to achieve with software alone.
The audio-visual stimulus system EFRP-ST is designed to meet the creative needs of researchers, featuring simple sound stimuli for event-related potential measurement and auditory experiments, as well as complex sequence stimuli and video display capabilities. - High-performance graphics with a refresh rate of 360Hz and a response speed of 1ms. - Variable refresh rate synchronization eliminates tearing and stuttering during image presentation. - Supports sound stimuli, still image stimuli, and sound-image composite video stimuli. - A cost-effective image presentation system can be created by combining optical sensors with vertical synchronization on standard monitors. - Easy to set trigger thresholds based on display emission states and emission patterns. - Capable of simultaneous sound and image stimulation, making it ideal for multimedia-related research. - Dedicated hardware and stimulus-specific software enable high-speed repetitive stimulation and precise synchronization timing. - Equipped with specialized functions for easy creation and editing of stimulus sounds, setting trigger positions for videos, and constructing stimulus patterns. - By classifying stimulus forms into nine types, it efficiently accommodates diverse experimental sequences.
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basic information
【Stimulus Types】 Auditory Stimulus Section - Short Latency Stimulus: Interval 5 msec – 200 msec - Long Latency Stimulus: Interval 180 msec – 35 sec - Target Stimulus: Interval 4 sec – 30 sec [Interval between Warning Stimulus and Command Stimulus: 1 sec – 5 sec] - Oddball Click Stimulus: Interval 800 msec – 11,000 msec - Double Pulse Stimulus: Interval 3 sec – 30 sec [Interval between Condition Stimulus and Test Stimulus: 300 msec – 1000 msec] Image Stimulus Section - Still Image Stimulus: 800 msec – 30 sec - Double Still Image Stimulus Video Stimulus Section - Audio-Visual Combined Video Stimulus
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Applications/Examples of results
It can be used in various fields such as product displays, multimedia-related experiments, experiments on interests and preferences regarding movies and programs, deception detection experiments, and experiments related to sign language and instruction marks.
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Company information
Since our founding, we have focused on solving problems with innovative and original ideas, always striving to share profits with our customers. Our core strengths—biological measurement systems, fluid measurement systems, and high-speed control systems—have been the three pillars of our business since its inception. We have launched numerous products from a unique perspective, including software for measuring eye fixation-related potentials, wind speed sensors for wind environments, and multi-point differential pressure sensors. Moving forward, we aim to continue supplying unique products while contributing to society as a better partner for our customers.