unvoiced

un- +‎ voiced.

• (US) IPA^(key): /ˌʌnˈvɔɪst/
• Rhymes: -ɔɪst

unvoiced (not comparable)

1. Not spoken or expressed.

   I could guess her unvoiced opinon.

2. (linguistics) Spoken without vibration of the vocal chords.
3. (signal processing, of a signal) That doesn't contain voice.
   • 1999, IEEE Service Center, ISIE ..., Volumes 1-3

     The unvoiced signal is smaller energy than voiced signal and, so, this section is applied the smaller threshold.

• (linguistics): voiceless

• surd