Heusdens
Richard Heusdens, Alkmaar NL
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20100067710 | NOISE SPECTRUM TRACKING IN NOISY ACOUSTICAL SIGNALS - The invention relates to a method of estimating noise power spectral density PSD in an input sound signal comprising a noise signal part and a target signal part. The invention further relates to a system to its use. The object of the present invention is to provide a scheme for estimating the noise PSD in an acoustic signal consisting of a target signal contaminated by acoustic noise. The problem is solved by a method comprising the steps of d) providing a digitized electrical input signal to a control path and performing; d1) storing a number of time frames of the input signal each comprising a predefined number N2 of digital time samples x | 03-18-2010 |
Richard Heusdens, Delft NL
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20110224976 | SPEECH INTELLIGIBILITY PREDICTOR AND APPLICATIONS THEREOF - The application relates to a method of providing a speech intelligibility predictor value for estimating an average listener's ability to understand of a target speech signal when said target speech signal is subject to a processing algorithm and/or is received in a noisy environment. The application further relates to a method of improving a listener's understanding of a target speech signal in a noisy environment and to corresponding device units. The object of the present application is to provide an alternative objective intelligibility measure, e.g. a measure that is suitable for use in a time-frequency environment. The invention may e.g. be used in audio processing systems, e.g. listening systems, e.g. hearing aid systems. | 09-15-2011 |
Richard Heusdens, Ea Dirkshorn NL
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20140126728 | SYSTEM AND METHOD FOR EMITTING AND ESPECIALLY CONTROLLING AN AUDIO SIGNAL IN AN ENVIRONMENT USING AN OBJECTIVE INTELLIGIBILITY MEASURE - Public address systems or other systems for emitting audio signals, like music, speech or announcements, in different locations like supermarkets, schools, universities, auditoriums are widely known. These systems usually comprise an audio source, for example a microphone or a recorder, and a plurality of loudspeakers, which are locally distributed in the locations, for emitting the audio signal from the audio source. The invention proposes a system ( | 05-08-2014 |
Richard Heusdens, Ga Delft NL
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20140204716 | SELF-LOCALIZATION FOR A SET OF MICROPHONES - Provided are methods and systems for finding the location of sensors (e.g., microphones) with unknown internal delays based on a set of events (e.g., acoustic events) with unknown event time. A localization algorithm may iteratively run to compute the acoustic event times, the observation delays, and the relative locations of the events and the sensors. | 07-24-2014 |