adjective satellite (s)

• in a softened tone(adj.all)

  Example:
  Muted trumpets.
  

  Synonym:
  hushed, quiet, subdued
  

  source: wordnet30
• being or made softer or less loud or clear(adj.all)

  Example:
  Muted trumpets.
  

  Synonym:
  dull, muffled, softened
  

  source: wordnet30