MySkit - Chapter 5 - Wave Sound Editing

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Table of Contents:
    1.0 Introduction
    2.0 Install MySkit
    3.0 Performance Files
    4.0 Motion Editing
    5.0 Wave Sound Editing
         5.1 Navigating Wave Files
         5.2 Capture & Record Wave Sounds
         5.3 Wave Sound Effects 
         5.4 Sound Start Time
         5.5 Undo/Redo Changes
         5.6 The Splitter Bar
    6.0 The Reference Library
    7.0 The PLEO Window
    8.0 Upload Actions to PLEO
    9.0 Specify Preferences


5.0 Wave Sound Editing

Wave files are used for recording arbitrary sound effects.   Note however, long wave files will quickly consume the space available on PLEO's flash card.

PLEO uses a custom 11KHz 8bit ADPCM compressed sound format.   MySkit can convert standard PCM wave files to be compatible with simple one-click conversions.   MySkit filters, down-converts high bit-rates, and combines multiple channels automatically.

Wave Editor

5.1  Navigating Wave Files
An orange marker bar shows the current time position.   Left-clicking in the ruler or wave panes moves the marker. Current Position Marker

Click-n-drag in the ruler or wave pane, and a green selection marker appears at the starting point.  MySkit highlights between the markers & changes any included motion keyframe tabs green.   The motion keyframes cannot be edited from the Wave editor.
Range Selection

5.2 Capture & Record Wave Sounds

MySkit supports wave capture.   Simply click the record button.   

To select what to record from, click the "Setup" button.   Select a sound source from the list shown.  Typically this would be "Microphone", or an output "Mix".   If one doesn't work, trial & error is fairly painless.

Note:  The available sound sources could vary depending on the sound card manufacturer.  Also, if your computer has multiple sound cards, you might need to change the "Recording Device".
Wave Preferences

Alternatively, use commercial software such as CoolEdit, then later import capture sound into MySkit.
Windows Sound Recorder

5.3 Wave Sound Effects

MySkit has a variety of special effects for wave files:

  • Increase/Decrease Volume.  Make wave sound louder/quieter by 25%.
  • Increase/Decrease Speed.   Make wave sound play faster/slower (raise/lower pitch) by 50%.
  • Amplify Volume.   Arbitrary volume adjust (25% to 400%).
  • Echo Effects.  Adds echo to produce chorus effects (short delays), or canyon effects (longer delays).
  • Fade In/Out.   Make sound fade to nothing, or any percentage of original, or visa-versa.
  • Insert Silence.   Inserts silence into the wave file.  
  • Invert Wave.  Inverts the amplitude.  Useful sometimes for matching up waves from different sources.
  • Normalize Wave.  Changes overall volume so maximum is 100% (ie: makes wave as loud as possible).
  • Reverse Wave.   Sounds plays back to front.
  • Scale Sound.  Stretch/shrink a wave file.   Note this will affect pitch.  

5.4 Sound Start Time

PLEO supports arbitrary sound start times.   This is very useful for aligning sound to motions.   The start time is specified in either motion frames, or in time (seconds).

PLEO waits the specified interval, relative to the start of motion, then begins the sound playback.

5.5 Undo/Redo Changes

If you make a change that doesn't work out, simply undo it (Edit Menu->Undo).   MySkit supports unlimited undo (ie: all edits since the wave file was loaded).  If you undo too much, you can reapply changes (Edit Menu->Redo).

Keyboard shortcuts of Ctrl+Z (Undo) and Ctrl+Y (Redo) are available.

5.6 The Splitter Bar

The vertical splitter bar allows two views of the Wave file at once.   To adjust the position of the splitter bar, select:
   "Window Menu -> Split Window". 

You can move the splitter at any time.   To dock the splitter bar (hide it), simply drag the splitter to its left-most position. 

Splitter Bar

Legalese: These programs are provided AS IS without any warranty, expressed or implied.  This includes without limitation the fitfulness for a particular purpose or application.    People using the software bear all risk as to its quality and performance.   The user of the software is responsible for any damages whether direct, indirect, special, incidental or consequential arising from a failure of these programs to operate in any manner desired.   Etc, etc...

"PLEO" is a trademark UGOBE, Inc.