Cets 2013 graunke using audacity
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Using Audacity to Create Studio-Quality Audio on a Budget
Presented by Jeff GraunkeChicago e-Learning and Technology Showcase
August 20, 2013
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Introduction What does your audio sound like?
Cell phone in an airport Shortwave radio AM Radio FM radio CD
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There’s Hope!!! You can reap a huge return in
audio quality, with a $500 investment in equipment and a little practice.
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Recording Studio in a Box
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Recording Studio in a Box Microphone $80 – Samson CU01
Condenser USB mic. Mic Stand $14 - The floor stand
allows great flexibility. The narrator can sit or stand.
Pop filter $25 - You need this to eliminate the popping of the "P" sounds.
Acoustic Panels $362 - Reduce/eliminate the echoes and absorb stray sounds. Advertised prices on Amazon.com 8-19-13
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Software - Audacity Free Multi-track digital recording &
editing tool Download Audacity at:
www.audacity.soundforge.com You will also need:
VST Enabler – allows use of plug-ins. LAME MP3 Encoder –create MP3s
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Audacity Resources http://manual.audacityteam.org/man/Tutorials http://wiki.audacityteam.org/wiki/Audacity_Wiki_Home_Page www.makeandbreakeducation.com www.Youtube.com
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Recording Process Write Script Select Voice Talent
Outgoing Clear voice Familiar with Material Alternate Male and Female Recruit coworkers
Selecting a Location Record Audio Edit Audio Files
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Write the Script Saves Time Script = written road map Read it aloud Make Copies for everyone to follow
along Use Larger Font Size (14+ pts) Take Notes
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Location, Location, Location Find the quietest room possible Beware of:
AC/Heat vents Outside Traffic Ringing Phones Noisy neighbors Buzzing lights Humming printers
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Recording Session Make it fun Later in the morning (voices warm
up) Water for everyone!! No Cold
Drinks! Stand Tall Spotter Set up early Save early, Save often!!
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Microphone Position Make it level with the speaker’s
mouth 3-4 inches from speaker’s mouth Finding Microphone’s “sweet spot”
Test at 2”, 4” and 6” away Test speaking straight into mic Test speaking slightly offset
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Recording Volume Changing Mic volume:
Volume Options Properties In Mixer Device field, select Microphone &
click OK Volume popup displays
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Recording Volume
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Recording Volume
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On Air Any volunteers?
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File Management
1. Make an Audio folder for your project2. Save original Audacity file as a MASTER file. (i.e. course audio MASTER.aup)3. Make an EDIT version (i.e. course audio EDIT.aup)
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Editing: Amplify Effect Amplify This allows you to
adjust the volume of the audio.
Automatically set to highest amplification without clipping
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Editing: Change Pitch Menu: Effect Change Pitch You can change the octave of the audio
higher or lower. Good for changing voices
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Editing: Equalization Menu: Effect Equalization Change the sound. Use the preset Select Curve:
Telephone
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Editing: Noise Removal Menu: Effect Noise Removal Takes a sample of constant
background noise and removes it from the entire clip.
Can give the audio a tin can sound
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Editing: Fade In/Fade Out Menu: Effect Fade In/ Fade Out This fades the selected section of
audio.
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Editing: Generate Silence Menu: Generate Silence This will apply silence to a
highlighted section or you can specify a duration of silence.
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Editing: Remove Breath
1. Highlight a quiet section of audio2. Copy it (CTRL + C)3. Highlight the breath or other sound4. Paste the quiet section (CTRL +V)
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File: Export to MP3 Menu: File Export
Exports the entire clip
Menu: File Export Selection Exports the highlighted selection
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Tips Get a good microphone Record a sample and Listen to it Stay away from outside rooms
near high traffic roads
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Tips Vary voices. Use male and female
voices for better voice texture. Save early, Save often (It’s
Chicago) Backup files Make a copy of original file for
editing Record first, edit second
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Summary Invest in good audio hardware Get Audacity Practice, practice, practice
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Questions Do you have any questions?
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Graunke Consulting, Inc is a Chicago-area based consulting firm specializing in eLearning development.
Visit us at: www.graunkeconsulting.com
Company founder Jeff Graunke is an executive, trainer, instructional designer, project manager and writer with more than 20 years experience in the areas of writing, training and computer systems.
Contact Jeff at: [email protected]
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