A powerful new USB-based response and stimulus device.
Collect responses, present sound, and communicate with external devices – all with millisecond accuracy.
Eliminate timing issues with a solution designed for research.
Response Collection.
Custom-designed silicone rubber keys feature an over-sized activation area to ensure accurate presses and releases. Record simultaneous button presses with full n-key rollover and customize debounce intervals to ensure data collection never suffers from missed responses.
Voice Recording.
Collect voice-activated responses with configurable threshold settings. Data file includes reaction time and audio file for each trial.
External Device Communication.
Chronos provides up to 16 digital inputs and 16 digital outputs, eliminating the need for a parallel port. This allows up to 65,536 unique markers. Combined with Task Events in E-Prime, Chronos provides a script-free way to develop multimodal research studies and synchronize data across platforms. See Accessories
Accurate audio timing.
Consistent audio timing is not found in consumer sound cards. This introduces variability between machines, and delays sound delivery time. Chronos features an onboard sound card which eliminates these issues and delivers millisecond accuracy. More research on reducing audio stimulus presentation latencies.
Stimulus presentation.
Chronos is outfitted with 5 fully programmable RGB LED’s, each capable of 4000+ colors. Use LED’s for response mapping verification, stimuli, or as feedback based on accuracy. Each LED can be assigned a unique color and modified directly from E-Prime.
Explore Chronos.
Included with Chronos.
Chronos Unboxing
Chronos Response Features:
Keys
- 5 buttons
- 16 digital inputs*
- Voice key
- 2 foot pedals (accessories)
- n-key rollover
- Programmable debounce intervals
Audio Recording
- Stream and save vocal responses
- Start recording at object onset OR when speaking begins
Voice
- Sound-activated response (voice key)
- Condenser- or dynamic- microphone compatible
- Configurable audio input gain
- Configurable threshold settings for incoming audio responses and recording
- Detect sound to silence (offset threshold/post-silence interval)
Analog Input*
- 3 Analog Inputs (plus Photo Sensor) with configurable onset and offset thresholds
Chronos Stimulus Presentation Features:
LEDs
- 5 LEDs with programmable RGB color values (>4,000 colors per LED)
- Assign color values as response mapping verification, stimuli, or as feedback based on accuracy
Audio Output
- Present auditory stimuli with accurate and precise sound output latencies of 1 ms (Mix Mode 1) or a fixed latency of 6 ms (Mix Mode 2) across different machine hardware
- Configurable onset and offset output thresholds per channel
Digital Output*
- 16 Digital Outputs
Analog Output*
- 4 Analog Outputs
- Generate sine, saw tooth, square, triangle, and custom waveforms
Pulse Generator*
- Generate square waveforms of configurable frequency
*This feature requires separate purchase of the Chronos I/O Expander for full functionality
Chronos Accessories
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