Audio apparatus for use withing magnetic resonance imaging...

G - Physics – 01 – R

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G01R 33/28 (2006.01) A61F 11/08 (2006.01) A61F 11/14 (2006.01)

Patent

CA 2669925

An apparatus and method for presenting high-quality auditory stimuli, receiving patient communication and providing noise cancellation within the environment of magnetic resonance imaging ("MRI") equipment. A microphone (205) is positioned in a noise attenuated channel ' for recording of the patient's voice. A microphone (204) is disposed outside of a noise attenuated channel to directly record the sounds of MRI equipment during its operation. The signals generated by the microphones are employed to reduce the output of noise generated by MRI equipment.

L'invention concerne un appareil et un procédé permettant de présenter des stimuli auditifs de haute qualité, de recevoir une communication de patient et d'offrir une propriété de suppression de bruit dans l'environnement d'un équipement d'imagerie par résonance magnétique (IRM). Un microphone est positionné dans un canal débruité pour enregistrer la voix du patient. Un microphone est disposé à l'extérieur d'un canal débruité pour enregistrer directement les sons de l'équipement d'IRM pendant son fonctionnement. Les signaux générés par les microphones sont employés pour réduire la sortie de bruit généré par l'équipement d'IRM.

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