Nicholas Briggs Real Time. Since "Doctor Who" returned to television in 2005, Briggs has provided the voices for several monsters, most notably the Daleks and the Cybermen. Briggs also voiced the Nestene Consciousness in the 2005 episode "Rose", and recorded a voice for the Jagrafess in the 2005 episode "The Long Game". He also provided the voices for the Judoon in both the 2007 and 2008 series as well as the spin-off series The Sarah Jane Adventures, and did the voice of the Ice Warrior Skaldak in the 2013 episode "Cold War". On 9 July 2009, Briggs made his first appearance in
Voice onset time Voice onset time In phonetics, voice onset time (VOT) is a feature of the production of stop consonants. It is defined as the length of time that passes between the release of a stop consonant and the onset of voicing, the vibration of the vocal folds, or, according to other authors, periodicity. Some authors allow negative values to mark voicing that begins during the period of articulatory closure for the consonant and continues in the release, for those unaspirated voiced stops in which there is no voicing present at the instant of articulatory closure. The concept of voice onset time