title: APEX/SPIN: a free test platform to measure speech intelligibility.
abstract: Measuring speech intelligibility in quiet and noise is important in clinical practice and research. An easy-to-use free software platform for conducting speech tests is presented, called APEX/SPIN.
  
  
  
  The APEX/SPIN platform allows the use of any speech material in combination with any noise. A graphical user interface provides control over a large range of parameters, such as number of loudspeakers, signal-to-noise ratio and parameters of the procedure. An easy-to-use graphical interface is provided for calibration and storage of calibration values. To validate the platform, perception of words in quiet and sentences in noise were measured both with APEX/SPIN and with an audiometer and CD player, which is a conventional setup in current clinical practice.
  
  
  
  Five normal-hearing listeners participated in the experimental evaluation.
  
  
  
  Speech perception results were similar for the APEX/SPIN platform and conventional procedures.
  
  
  
  APEX/SPIN is a freely available and open source platform that allows the administration of all kinds of custom speech perception tests and procedures.
authors: a Department of Neurosciences , Experimental Oto-rhino-laryngology, U Leuven - University of Leuven , Leuven , Belgium.
authors: Tom
authors: T
authors: Francart
authors: a Department of Neurosciences , Experimental Oto-rhino-laryngology, U Leuven - University of Leuven , Leuven , Belgium.
authors: Michael
authors: M
authors: Hofmann
authors: a Department of Neurosciences , Experimental Oto-rhino-laryngology, U Leuven - University of Leuven , Leuven , Belgium.
authors: Jonas
authors: J
authors: Vanthornhout
authors: a Department of Neurosciences , Experimental Oto-rhino-laryngology, U Leuven - University of Leuven , Leuven , Belgium.
authors: Lieselot
authors: L
authors: Van Deun
authors: a Department of Neurosciences , Experimental Oto-rhino-laryngology, U Leuven - University of Leuven , Leuven , Belgium.
authors: Astrid
authors: A
authors: van Wieringen
authors: a Department of Neurosciences , Experimental Oto-rhino-laryngology, U Leuven - University of Leuven , Leuven , Belgium.
authors: Jan
authors: J
authors: Wouters
mesh_terms: D000162:Acoustics / Q000295:instrumentation; D000328:Adult; D003196:Computer Graphics; D006801:Humans; D009622:Noise / Q000009:adverse effects; D010470:Perceptual Masking; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D012984:Software; D013061:Speech Acoustics; D013065:Speech Intelligibility; D013067:Speech Perception; D013068:Speech Production Measurement / Q000295:instrumentation / Q000379:methods*; D014584:User-Computer Interface; D055815:Young Adult
keywords: APEX; Speech perception; behavioural measures; test platform