Tutorial - Recording and Editing
From Audacity Manual
Step 1: Record for real this time
Click the red Record button 
in Transport Toolbar then begin talking or playing. Continue for as long as you want. When you feel you've recorded enough, click the Stop button 
.
Try to aim for a maximum peak of around –6dB (see: dB) or 0.5 if you have your meters set to linear rather than dB.
Tip: Enlarging the Meter Toolbar by clicking and dragging helps considerably with this task.
Step 2: Remove any DC offset
DC offset can occur at the recording stage so that the recorded waveform is not centered on the horizontal line at 0.0 amplitude. This can be caused if you have a faulty sound card. If this is the case with your recordings, see the Normalize page for how to use Normalize to remove DC offset and how to check if your Windows sound device can perform this correction automatically.
Step 3: Edit Recording
You now have a good recording, but there are likely some bits at the beginning and end that you don't need - between the time you clicked the Record button and the time you starting talking or playing, and between the time you stopped talking or playing and the time you clicked the Stop button.
- Click the Skip to Start button
in Transport Toolbar
- Repeatedly click the Zoom In button
until the displayed waveform expands so you can see from the beginning of the recording to the time you started talking or playing
- With the Selection tool, click just before the point where you started talking or playing
- Choose
- The region from the beginning of the track to the beginning of your performance is selected
- Choose
- The selected audio is removed from the track, and the rest of the audio moves left to fill the space left after the delete.
Similarly, you can delete the extra bit from the end of your recording.
- Click the Skip to End button
in Transport Toolbar
- Repeatedly click the Zoom In button until the displayed waveform expands so you can see from the time you stopped talking or playing to the end of the recording
- With the Selection tool, click just after the point where you stopped talking or playing
- Choose
- The region from the end of your performance to the end of the track is selected
- Choose
- The selected audio is removed from the track
If you've made any mistakes in your performance you could edit them out. Use the Selection Tool to select each mistake and press the delete key. Listen back to each edit to make sure it sounds natural. If not, choose and try again.
Step 4: Amplitude adjustment
Since you were careful not to record too loud it is likely that your recording is not as loud as possible. To correct this you can use the Normalize effect.
- Choose to select all of the track.
- With default Tracks Preferences, you may not need this step - all the audio in the project is selected if you choose an effect without first selecting any audio.
- Choose .
- Accept (for now) the default choices in the Normalize dialog and click the button
- The volume is normalized to -1 dB, so leaving a little headroom below the maximum possible 0 dB level.
Note that Normalize defaults to retaining the existing balance between stereo channels. However basic consumer-level equipment can often record with channels unbalanced. To correct unwanted volume differences between left and right, check "Normalize stereo channels independently".
Step 5: Save and Export
Choose , choose a name for your project and a place to save it.
You have now saved an Audacity Project to disk. The project file (ending in .aup) can only be opened by Audacity. You can come back to the project and make changes to it later. For example you could do more editing, record more audio, or apply other effects.
To listen to your performance in other audio software (such as iTunes or Windows Media Player), or to burn it to CD, choose .
