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Christopher Hummersone


University of Surrey

37 total contributions since 2011

I am lecturer at the Institute of Sound Recording, University of Surrey. I graduated from the Tonmeister course there in June 2007 and joined the IoSR as a research student in October 2007. I completed my thesis, entitled "A Psychoacoustic Engineering Approach to Machine Sound Source Separation in Reverberant Environments", in September 2010 and joined the IoSR as a lecturer in October 2010. My research interests include modelling the precedence effect and binaural localisation, sound source separation, and computational auditory scene analysis. My teaching duties include Video Engineering and Audio Research Seminars. In my spare time I enjoy playing the saxophone, cycling and running, having completed the London Marathon in 2007 and 2012.
Professional Interests: signal processing

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Functional spread/box plot
Draw a functional plot showing data spread

1 month ago | 6 downloads |

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Localpeaks
Find local peaks or troughs in a vector

1 month ago | 9 downloads |

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smooth
Perform windowed smoothing on a vector using mathematical functions

1 month ago | 13 downloads |

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Check whether mex file is compiled for system
Check if mex file is compiled for the OS or if the source was modified since it was compiled.

1 month ago | 1 download |

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Modified CMRmap
Produces a colour colormap, of arbitrary length, that is monochrome-compatible.

1 month ago | 2 downloads |

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Gammatone filterbank
Produce an array of responses from a fourth-order Gammatone filter via FFT

1 month ago | 27 downloads |

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get_contents
Get the contents of a specified directory

1 month ago | 1 download |

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Subplot position calculator
Calculate subplot positions by specifying figure margins and axis scaling.

1 month ago | 4 downloads |

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Sinc filter
Apply a near-ideal low- or band-pass filter.

1 month ago | 19 downloads |

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Precedence-based cross-correlograms
Calculate cross-correlograms with a wide range of options

1 month ago | 1 download |

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Loudness weighting coefficients
Calculate loudness weighting coefficients based on ISO 226

1 month ago | 2 downloads |

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ISO 226:2003 Normal equal-loudness-level contours
Return sound pressure levels of pure tone frequencies at specified loudness level(s).

1 month ago | 7 downloads |

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Perceptual spectral centroid
Perceptually-informed spectral centroid.

1 month ago | 5 downloads |

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Quantile-quantile plot
Quantile-quantile plot with patch option

1 month ago | 1 download |

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Recursive contents report
Create a Contents.m file including subdirectories

1 month ago | 3 downloads |

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STFT and its inverse
STFT and ISTFT fulfilling constant overlap-add criterion

1 month ago | 13 downloads |

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Calculate and apply time-frequency masks via STFT
Calculate ideal time-frequency masks and apply time-frequency masks to signals via STFT

1 month ago | 15 downloads |

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1/N-Octave Smoothing
Apply 1/NOCT-octave smoothing to a log-, magnitude-, or power-spectrum.

1 month ago | 13 downloads |

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Long term average spectrum
Calculate the long-term average spectrum of a signal

1 month ago | 18 downloads |

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Quantile calculation
Quantiles of a sample via various methods

1 month ago | 4 downloads |

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Stacked line plot
Stacked line plots from a matrix or vectors

1 month ago | 2 downloads |

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Impulse response acoustic information calculator
Calculate RT, DRR, Cte, and EDT for impulse response file

1 month ago | 14 downloads |

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Alternative box plot
Draw a box plot with various display options

1 month ago | 69 downloads |

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MASSEF
Multichannel audio source separation evaluation framework

3 months ago | 4 downloads |

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NICAM
Near Instantaneously Companded Audio Multiplex

4 years ago | 0 downloads |