SD-AU-MRBF

Description

BOLDfonic MR compatible Audio/Communication System.

Includes one set of headphones, amplifier, filters, desktop microphone for the technologist, a pair of monitor speakers, Lindy ADC, and all necessary cables.

Available headphones:
HP SI 01 – Standard headphone with excellent passive gradient noise dampening and powerful electrodynamic speaker system. 32mm thick. Dimensions: outer 85x105mm, inner 45x65mm. Available for Philips and GE scanners. Compatible with 8 and 12 channel head coils.

HP SC 01 – Special version of HP SI 01 with additional compensation element optimized for use with Siemens scanners. 32mm thick. For Siemens scanners and larger volume head coils (i.e. not 32/64 channel).

HP SC 02 – Same features as HP SC 01, but 6mm slimmer and with special foam cushion set. 26mm thick. Compatible with Siemens 8 and 12 channel head coils.

HP SIE 01 – Special version of HP SI 01 with additional piezo drivers. Can be used inside or outside the scanner. 32mm thick. Available for Philips and GE scanners.

HP VS 01 – Smaller version of HP SI 01. 20mm thick. Optimised for Philips and GE 32-channel head coils. Also for use with 8 channel head coil and thick foam cushion.

HP VS 02 – Very small version of HP SI 01 with tilted cable management. 14mm thick. Optimized for Philips and GE head & neck coils.

HP PI US – Ultra small on-ear piezo headphone for use in modern multi-channel head coils with a diameter down to 190mm. Also consider alternate HP AT 01 insert earphone (earbud) design. Dimensions: outer 80x105mm, inner 45x70mm. Works with any head coil. Works inside and outside the scanner.

HP M 01 – Same electrodynamic driver system as of HP SI 01 or HP SC 01. Small headphones, optimized for use with children and NHP. Special version for pure passive dampening or matched, non MRI-compatible (MR Unsafe) headphones are available. Dimensions: outer 60mm, inner 25mm. Available for Siemens, Philips and GE scanners.

Hi-Fidelity MR compatible audio system coupled with a novel USB audio processor providing automated synchronous triggering capabilities offers an excellent solution for both clinical and research environments.

Modular audio uni and optional bi-directional communication solution helps participants cope with MRI-related acoustic noise and also can be used to deliver calibrated auditory stimuli for fMRI

Versatile control over auditory stimulus presentations, and the the flexibility to choose from various headphone designs, microphones, and bespoke amplifiers.

The circumaural, closed-back headphone is available in a number of sizes and cable routing arrangements to suit different headcoil designs. It offers superior gradient noise dampening compared to simple pneumatic, air tube solutions. Where space permits, soft, memory foam cushions can be inserted between the head and contact points of the coil to provide even better isolation, reduce bone conduction and improve patient comfort.

A unique electro-dynamic driver uses the magnetic field of the MRI scanner to drive the headphone membrane. This results in powerful speakers with an excellent frequency response across a wide range. An additional piezoelectric driver can be fitted to some designs, which enables those headphones to be used outside the bore too.

Bespoke stereo amplifiers are perfectly matched to the filter set and headphones; all designs have digital optical inputs to connect the signal source. They are easy to operate for routine clinical use, yet still offer sufficient flexibility and control of auditory stimuli for fMRI. The comprehensive BOLDfonic design can drive two headphones, external speakers, and supports a participant microphone. The novel AudioFile processor incorporated within the BOLDfonic system offers a digital and analog IO for trigger synchronization among devices and a mode for precise TTL controlled stimulus delivery. Of course audio output can also be controlled from a computer.

A compact scanner operator microphone sited in the console room can be combined with an Optoacoustics noise-cancelling version mounted to the headphone to provide clear, simultaneous, bidirectional communication.

Several headphone options exist, and these options determine the final price of the system. *** Note: Unless you have a quotation that identifies the configuration as being suitable for your particular scanner make/model, the quoted price may or may not represent the cost for a suitable configuration for you. ***