声导抗基础知识培训Tympanometry and Acoustic Reflex Measurements鼓室声导抗和声反射测试+Infant test recommendations 婴儿测试的推荐方法Sound travel 声音传导声音传导Getting sound into a different medium声音在不同媒介中的传导Most of the sound energy is reflected when confronting a another medium.大部分声能在临界面处被反射回来because different media are more or less easy to bring into motion(impedance)因为不同媒介的声阻抗是不同的The role of the middle ear 中耳的作用中耳的作用The Ossicles 听小骨Malleus 锤骨Incus 砧骨Stapes 镫骨 Three small bones forming a chain between the tympanic membrane and t
