![]() ![]() ![]() A sound card translates analog audio signals from microphone into digital codes that the computer can store and process. It can be used for making telephone calls, for audio and video conferencing over Internet, to record voice, to create audio files and embed these files to be sent over e-mail, or, to translate spoken words into text, etc.Īudio input devices like a microphone is used to input a person’s voice into the computer. Audio input to the computer can be used for different purposes. Source data entry devices do not require data to be typed-in, keyed-in or pointed to a particular location.Īudio input can be provided to the computer using human voice or speech. Source data entry devices are used for audio input, video input and to enter the source document directly to the computer. ![]()
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