1. 
   Sibilance
   Energy from a voice centred around 7 kHz caused by pronouncing 's', 'sh' or 'ch' sounds.
   Found op http://www.testing1212.co.uk/a.htm
   
   
2. 
   Sibilance
   High frequency whistling or lisping sound that affects vocal recordings, due either to poor microphone technique or excessive equalization
   Found op http://www.musiconmypc.co.uk/art_glossary.php
   
   
3. 
   Sibilance
   High frequency whistling or lisping sound that affects vocal recordings, due either to poor mic technique or excessive equalisation.
   Found op http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
   
   
4. 
   Sibilance
   A hissing sound produced when pronouncing S and Z.
   Found op http://www.diracdelta.co.uk/science/source/s/i/sibilance/source.html
   
   
5. 
   Sibilance
   • (n.) Alt. of Sibilancy
   Found op http://thinkexist.com/dictionary/meaning/sibilance/
   
   
6. 
   Sibilance
   An exaggerated hissing in voice patterns. (Post Production)
   Found op http://www.filmland.com/glossary/Dictionary.html#A
   
   
7. 
   sibilance
   Distortion of sounds caused by a person being too close to a microphone when saying words with strong 's', 'z', 'sh', 'ch' or 'zh' sounds.
   Found op http://www.thenewsmanual.net/Resources/glossary.html
   
   

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