Biosound releases upgrade for AU4

Ultrasound vendor Biosound of Indianapolis will unveil a majorproduct upgrade developed by its parent, Esaote Biomedica of Italy.Introduced as an upgrade for Biosound's high-performance AU4 platform,Advanced Contrast Technology (ACT) incorporates interactive managementof apodization and dynamic control of beam amplitude to improvecontrast resolution. ACT also provides time-wait processing thatadapts the beam velocity to different tissue impedances. An inexpensiveblack-and-white, color-upgradable version of Biosound's AU3 systemwill also be shown.