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week 06 - digital audio basics - Audacity
* PAPER DUE *
Sound Utillities in Windows
There are sound utillities and applications available for Windows that allow for direct digital capture ("ripping") of CD audio to hard drive. The method below is an Analog method that routes the audio signal in software from the CD audio output to the sound chip's input, and then into the recording application. If there is no sound transfer to the input, the Stereo Mix Balance in the Recording Control window may need to be adjusted. This can be accessed by right-clicking on the Volume icon in the system tray; selecting properties in the Options menu; selecting Adjust Volume for RECORDING; and selecting OK.
Audacity is an audio editing program on the PC that enables you to record and edit audio. It is similar in function to programs like Premier, and even a word processor. You can select sections of audio, cut, copy, and paste them.
This shows the basic interface for Audacity. The transport controls in the upper left, are for pausing, play, stop, rewind, fast forward and record. The tools in the center are for select, envelope (volume editing) and penci for correcting wave forms. The main editing window shows a track called TUTOR1. This is a mono file at 44.1khz sample rate.
To record audio off of a CD
To record audio from the microphone
You can use the same procedure for the microphone on the keyboard with the following changes:
To edit a sound file
To save a sound file
This window shows a multi-track session in Audacity. The pull-down menu of EFFECT displays many of the sound processing options available.
To process the audio
Copyright © 2011 - David Javelosa