Audio Input Device

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Audio input  Device 

                                    The process of  entering  any  sound  into  the  computer  is   called   input. It may  include  speech  music  or  any   other  sound  effects. Audio  can be  entered through different devices such as microphone tape plyers CD/ DVD plyer or radio. A sound card is required to enter high-quality sound into a personal computer. 

Microphone 

                         microphone is an input device to digital record audio data such as human voice. it can be plugged into a computer a recorder. Many software applications can accept data with microphone. The software in the computer converts the sound waves into the digital form. it is than stored in memory and used according to the requirement. 

MIDI Device

                             MIDI stands for musical instruction digital interface. MIDI devices are used to enter music and other sound effects in computer. These devices connects to sound card in the computer. The user can compose edit music and many other sounds using software. Electronic piano keyboard is an example of MIDI device. 

Voice Input 

                       The process of entering data by speaking into a microphone attached to the computer is called voice input. The microphone is attached to the computer with the help of sound card. voice input is a faster way of entering data. Many word processing applications provides the facility of voice input. The user speaks into the microphone and the applications software software writes the spoken words as text. 

                       There are two types of voice recognition software. 

Speaker-dependent Software 

                                                     In speaker-independent software the user to train the computer. He speaks the words repeatedly and computer stored his voice pattern  for future use. 

Speaker-independent Software 

                                                 In speaker-independent software the user dose not train the computer. This software has a built-in set of word patterns.

   


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                                    coming soon..................

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