A new stereophonic stethoscope.

A do-it-yourself stereophonic stethoscope.

Western Electric Introduce New Electrical Stethoscope

A New Digital Stethoscope with Environmental Noise Cancellation

A medical instrument for acquisition and analysis of phono-cardiac signals is described in the paper. The proposed system is based on an electronic stethoscope with enhanced performances in environmental noise reduction, achieved by means of two microphones whose signals are combined by an adaptive algorithm. A software tool able to reproduce, visualize and analyze cardiac sounds completes the ...

Old and New Techniques for Artificial Stereophonic Image Enhancement Old and New Techniques for Aztifidal Stereophonic Image Enhancement

Artifidal stereophonic image enhancement techniques for loudspeaker reproduction are well known in the literature. The general goals of such methods are to simulate the desirable properties of a natural listening environment, to reduce the dependence of the reproduced sound on the peculiarities of the listening room, and to broaden the perceived width and depth of the reproduced sound field--id...

A New Stethoscope Design with Unique Characteristics and Development in Medical Device

As regards the significant role of stethoscopes in the diagnosis of congenital and adventitious heart diseases and prevention of irreparable complications of these diseases, the quality of hearing sound of these stethoscopes by a physician has a significant impact on the disease diagnosis. This device plays an important role in the early diagnosis of congenital heart and respiratory diseases an...