attenuated
1. [ adjective ] (electronics) of an electrical signal; reduced in amplitude with little or no distortion
Related terms: electronics decreased
2. [ adjective ] reduced in strength
Synonyms: faded weakened attenuate
Examples:

"the faded tones of an old recording"

Related terms: decreased
Similar spelling:   attenuate
  attenuator
  attenuation
  attended
  attentive
  attendant
  attendance
  attendee
  attention
  attending
  attender
  attend_to