About recording audio
31
Recording software
A wide range of recording software is available. Important software
features include editing capabilities (to fix mistakes), music and sound-effect options, and the
capability to create the file format you require (such as MP3 or WAV). An excellent, easy-to-use,
and free application is called Audacity (available from
http://audacity.sourceforge.net
).
Recording area
After you have acquired the necessary audio equipment, the most important
action you can take before recording is an obvious one: Find a quiet place to record. Try closing
doors, turning off any unnecessary computer equipment, turning off or lowering lights that might
be making noise, turning off phone ringers, beepers, and pagers. Also, it helps to tell coworkers
that recording is in progress.
About recording audio
You can follow these tips to ensure that you are recording the highest quality audio possible.
•
“Setting up audio equipment” on page 31
•
“Setting sound card options” on page 31
•
“Changing audio recording settings” on page 31
•
“Placing the microphone” on page 32
•
“Improving microphone techniques” on page 32
•
“Editing sound” on page 32
•
“Reviewing the presentation” on page 32
Setting up audio equipment
When you have acquired the necessary audio recording equipment, you must set it up properly.
First, plug the microphone into the mixer or stand-alone preamplifier, and then plug the output
of that device into your computer sound card’s “line in.” Plug the headphones into your
computer. Then, set the volume on the mixer or preamplifier. Begin speaking to test the volume
levels, and carefully raise the volume until it shows just under zero.
Setting sound card options
You can open the software application that controls the sound card. (In most Windows operating
systems, you can find sound settings by clicking Start in the lower-left corner and selecting
Settings > Control Panel > Sounds.) When you select the recording source (line in), you can
adjust the volume to 100%. If you are using a mixer or stand-alone preamplifier, the actual
recording level can be controlled from there.
Changing audio recording settings
After starting your audio recording software, you can change the settings as necessary. Mixers and
preamplifiers don’t have sound-level controls, so you rely on the meters when recording. While
recording, you should ensure that you don’t exceed zero on the meters, or the sound will be
distorted.
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