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Demo Sounds

Examples of the sounds used in some of our experiments:

Link to sounds or movies

Reviewing the definition of timbre as it pertains to the perception of speech and musical sounds - ISH 2009

  • R.D. Patterson, T.C. Walters, J.J.M. Monaghan and E. Gaudrain (2009). ISH 2009, Salamanca.

Pitch and size melodies

Seperating pitch chroma and pitch height - the Helix Circle

  • Warren, J.D., Uppenkamp, S., Patterson, R.D. and Griffiths, T.D. (2003). Separating pitch chroma and pitch height in the human brain. Proc. Nat. Acad. Sci. Vol. 100, No. 17. 10038-10042.

The Helix Circle Sound


Phonology in the human brain


  • We have developed a new class of stimuli to attempt to locate the first stage of speech specific processing in the human auditory system. The technique involves contrasting the BOLD response of damped vowels and musical rain.
Damped Vowels and Musical Rain

Pitch and melody in the human brain

  • Patterson, R. D., Uppenkamp, S., Johnsrude, I., and Griffiths, T. D. (2002). The processing of temporal pitch and melody information in auditory cortex, Neuron, 36, 767-776.
Regular Interval Sounds (RIS)