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Scarlett 2i2

Manufactured by Sennheiser

The Scarlett 2i2 is a 2-in, 2-out USB audio interface designed for recording and monitoring audio. It features two Scarlett microphone/instrument inputs with gain control, 48V phantom power, and high-headroom, low-noise preamps. The Scarlett 2i2 connects to a computer via USB and provides direct monitoring, allowing users to hear their input signal with zero latency.

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Lab products found in correlation

2 protocols using scarlett 2i2

1

Computerized Tapping Sensor Protocol

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Data were collected with between one and four computerized stations for each testing location. Each station included a computer, a Focusrite Scarlett 2i2 USB sound card, two sets of Sennheiser HD 280 Pro headphones and a tapping sensor (Fig. 2). This design is identical to that reported in the paper by Jacoby and McDermott that introduced the experiment paradigm26 (link). Each sensor contained a microphone embedded in sound isolation materials and covered with a soft cloth to muffle impact sounds as much as possible. Instructions for constructing the sensor are provided in the supplementary Open Science Framework (OSF) repository. The microphone in each sensor was highly sensitive, and light touches generated bursts of noise that were recorded by the microphone. The sound card simultaneously recorded the microphone output and the audio stimulus played out by the participant’s headphones, so that the latency of the response recording relative to the stimulus was nearly eliminated (less than 1 ms). The specification of the hardware and instructions for building the sensor are provided in the OSF repository associated with this paper (see ‘Data availability’).
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2

Computerized Tapping Sensor Design

Check if the same lab product or an alternative is used in the 5 most similar protocols
Data were collected with between 1 and 4 computerized stations for each testing location. Each station included a computer, a Focusrite Scarlett 2i2 USB sound card, two sets of Sennheiser HD 280 Pro headphones, and a tapping sensor (Figure 2). This design is identical to that reported in Jacoby and McDermott (2017) 26 . Each sensor contained a microphone embedded in sound isolation materials and covered with a soft cloth to muffle impact sounds as much as possible. Instructions for constructing the sensor are provided in the supplementary OSF repository. The microphone in each sensor was highly sensitive, and light touches generated bursts of noise that were recorded by the microphone. The sound card simultaneously recorded the microphone output and the audio stimulus played out by the participant's headphones, so that the latency of the response recording relative to the stimulus was nearly eliminated (less than 1 ms). The specification of the hardware and instructions for building the sensor are provided in the OSF repository associated with this paper (see Data Availability).
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