Sound Editing Techniques & Programs

Sound Editing Techniques & Programs

Combine Images with AudioCombine Images with Audio

Always Remember Sound…Always Remember Sound…

Invokes an image in the mind Effective Background

music that matches the action in a scene

Sound effects that match

Can enhance or take away from an image: A poor image is forgivable,

poor sound is not.

Invokes an image in the mind Effective Background

music that matches the action in a scene

Sound effects that match

Can enhance or take away from an image: A poor image is forgivable,

poor sound is not.

“Sound Advice”“Sound Advice”

On location shoots, use a good directional microphone Boom Mic or Shotgun Mic

Always shoot in a location with the least possible interference Try to avoid noisy Backgrounds Some audio Cables don’t like neon

lights

On location shoots, use a good directional microphone Boom Mic or Shotgun Mic

Always shoot in a location with the least possible interference Try to avoid noisy Backgrounds Some audio Cables don’t like neon

lights

“Sound Advice”“Sound Advice” Background Music

It should only add to the content, not take away from it, so…

Make sure it’ not too loud Make sure it fits the action on the screen

Keep in Mind Copyright when dealing with music. For Royalty-Free music, check out: SmartSound http://www.sonicdesktop.com/

Soundtrack http://www.apple.com/soundtrack/

Background Music It should only add to the content, not take

away from it, so… Make sure it’ not too loud Make sure it fits the action on the screen

Keep in Mind Copyright when dealing with music. For Royalty-Free music, check out: SmartSound http://www.sonicdesktop.com/

Soundtrack http://www.apple.com/soundtrack/

Microphone TypesMicrophone Types

PICKUP PATTERNS

Recording DevicesRecording Devices Reel-to-Reel Audio Cassette

Lower Quality DAT (Digital Audio Tape) MiniDisc CD Recorders

Better for post-production In Computers (CD-RW drives) As stand-Alone machines

MP3 Recorders Lower Quality

Direct line into a Computer

Reel-to-Reel Audio Cassette

Lower Quality DAT (Digital Audio Tape) MiniDisc CD Recorders

Better for post-production In Computers (CD-RW drives) As stand-Alone machines

MP3 Recorders Lower Quality

Direct line into a Computer

Audio File FormatsAudio File Formats Generic (cross-platform/cross-application)

.snd (native Macintosh) .aiff .wav .mp3 .au Real Audio (RA)

Proprietary (Application Specific) .aup (Audacity sound File; will NOT work in

PowerPoint)

Generic (cross-platform/cross-application) .snd (native Macintosh) .aiff .wav .mp3 .au Real Audio (RA)

Proprietary (Application Specific) .aup (Audacity sound File; will NOT work in

PowerPoint)

Works well with PowerPoint

The Difference in Audio Quality:The Difference in Audio Quality:

Sampling Rate The number of times

each second (frequency) the computer stores information about the sound wave.

Bit Rate Binary code for

measuring the height (amplitude) of the sound

Compression

Sampling Rate The number of times

each second (frequency) the computer stores information about the sound wave.

Bit Rate Binary code for

measuring the height (amplitude) of the sound

Compression

“CD” Quality

44 KHz 16-bit Stereo 10.3 MB

44 KHz 8-bit Stereo 5.18 MB

“FM” Radio Quality

22 KHz 16-bit Stereo 5.18 MB

22 KHz 8-bit Stereo 2.59 MB

“AM” Radio or Phone Quality

11 KHz 16-bit Stereo 2.59 MB

11 KHz 8-bit Stereo 1.29 MB

One Minute of Uncompressed Digital Audio (MS WAV format)

Source: http://cit.duke.edu/resource-guides/tutorial-web-multimedia/05-audio-basics.html

Sound Editing in AudacitySound Editing in Audacity

iMovie Sound EffectsiMovie Sound Effects

Built-in

Sound Effects

iMovie Audio EditingiMovie Audio Editing

Click and Drag Volume Level Bar to Edit Audio

The EndThe End