ĐIỆN tử VIỄN THÔNG DTVT2 nhom4 bai7 txt khotailieu

Drum Machine D8-DTVT2 Group : Ngô Đắc Quân Lê Văn Hoạch Phùng Thế Quảng Phạm Thị Minh Phượng Nguyễn Thị Phương Nguyễn Nhật Thư Nguyễn Tuấn Anh Task 1: Turning in Discuss these questions: 1, What you think a drum machine does? - A drum machine is an electronic musical instrument designed to imitate the sound of drums, cymbals or other percussion instruments 2, What you think these keys refer to on a drum machine? Kick, snare, closed hat, open hat Task 2: Match each text on the following page to the correct step in the process of sampling and reproducing the sound of a drum digitally 4-A, When the drum pad is pressed, the stored information is decoded and produces an electronic signal 3-B, The signal is sliced into many’samples’, each one a snapshot of thee strength of the signal at one particular moment This information is converted into binary code and then stored in the machine’s memory 1-C, When the drum is hit, it produces sound waves, 5-D, The signal is turned into sound waves through an amplifier, and the drum sound is heard 2-E, The sound waves reach the microphone and are converted into an electrical signal Task 3: Reading Recognizing topic Task4 : Find sentences in the text above which are similar in meaning to the following statements Compare your answers with your partner Try to reach agreement on the right answer Task 5: Use the correct form of the word in brackets in each of these sentences: Task 5: 1, With a drum machine, you can play any drum sound by pressing the right button 2,You can create drum music without playing a drum 3,What we hear as sound are changing in air pressure 4,These are converted to electrical signals by using a microphone 5,The information contained in the drum machine memory consists of samples of these electrical signals 6,A drum machine contains record of sound taken at measured intervals 7,This process is called sampling 8,The functions of a drum machine include panning and tuning 9,Panning means the positing of the drum sound in stereo Task 6: Explain each of these compounds: Task 6: 1,A burglar alarm = alarm which warns burglar 2, A clock timer = a timer for use in a clock 3,A mercury switch = a switch which uses the movement of mercury 4,A car phone = a phone for use in a car 5, A germanium diode = a diode which contains germanium 6,A ground wave = a radio wave which travels along the surface of the earth 7,A block diagram= a drawing showing the different electronic stages which make up a circuit 8,An assembly line = a production area of a factory where the parts of a product are put together in a series of stages 9,A fuseholder = a device worn on the head which covers each ear with a small loudspeaker 10,A wavemeter = an electric instrument for measuring the frequency of a transmitter singal 11,A cell phone = a cellular phone 12,Head phones = a device worn on the head which covers each ear with a small loudspeaker 13,An ammeter = an electronic instrument for measuring current 14,A handset = an electronic device which can be held in one hand