Yes!Our ears help to"catch"the sound to make us hear something. ②You know that sound makes air vibrate(震动),and then it makes sound waves(声波).Before you can hear the sound,the sound waves must get to your ears. ③▲ They are the outer ear,the middle ear a...
loud or soft. They can be pleasant or unpleasant. Animals use sound in many ways. Humans use sound to communicate their thoughts and feelings. Other animals use sound to communicate, too. Humans have invented many things to make sounds. For example, Africans use drums to...
文档介绍:怎样使声音富于变化(How to make sounds change)How to make sound change ~!I. Theoretical BasisSowing read different emotionalh low frequency acoustic waves. The chest resonance can expand the volume, increase the low overtone, make the sound sound sonorous, vigorous and firm.Head cavity ...
1 When I make a clickingsound, it makes sound waves. These waves reflect(反射)off surfaces all around and return to my ears. My brain thenprocesses the sounds into images(图像). It's like having aconversation with the environment.How does sonar work? Choose the right order.a. The sound...
There are many ways to make and present a sound recording. The simplest method, and the one used in the earliest sound movies, is called monaural or simply mono. Mono means that all the sound is recorded onto one audio track or channel (a single spiraled groove in a record, for example...
Ultrasound: Used to make medical diagnoses, ultrasound emitters let doctors examine internal organs and developing fetuses. SONAR: Sound waves bounce off of objects, and SONAR uses this property for underwater object location and navigation. Extracorporeal Shock Wave Lithotripsy (ESWL): This is a fan...
There are hairs(绒毛)in the inner ear, the hairs help to send sound to your brain(大脑). This way, you can hear sounds around you.【小题1】The writer asks questions in Paragraph 1 to ___ . A. ask readers for some help B. make readers interested in the reading C. show readers ...
Sound waves, much like physical waves, interact causing disruptions to the sound in different ways. Identify examples of sound wave interference, constructive interference, destructive interference, and the 'beating' observed in interacting sound waves. ...
Well, here's an interesting piece of acoustics trivia. Any two individual sound waves can be combined into a single sound wave that encompasses both of them. Let's have a look at what I mean. Let's say that you want to play a C note and a G note together. The two sound waves wi...
It represents sound as a varying electric current. Broadly speaking, there are three steps in this sort of sound reproduction: Sound waves move a microphone diaphragm back and forth, and the microphone translates this movement into an electrical signal. The electrical signal fluctuates to represent ...