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Obtaining Binaural Room Impulse Responses from B-Format Impulse Responses using Frequency-Dependent Coherence Matching

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Menzer, Fritz and Faller, Christof and Lissek, Hervé

Abstract

Measuring binaural room impulse responses (BRIRs) for different rooms and different persons is a costly and time-consuming task. In this paper, we propose a method that allows to compute BRIRs from a B-format room impulse response (B-format RIR) and a set of head-related transfer functions (HRTFs). This enables to measure the room-related properties and head-related properties of BRIRs separately, reducing the amount of measurements necessary for obtaining BRIRs for different rooms and different persons to one B-format RIR measurement per room and one HRTF set per person. The BRIRs are modeled by applying an HRTF to the direct sound part of the B-format RIR and using a linear combination of the reflections part of the B-format RIR. The linear combination is determined such that the spectral and frequency-dependent interaural coherence cues match those of corresponding directly measured BRIRs. A subjective test indicates that the computed BRIRs are perceptually very similar to corresponding directly measured BRIRs.

Reference

Menzer, Fritz and Faller, Christof and Lissek, Hervé Obtaining Binaural Room Impulse Responses from B-Format Impulse Responses using Frequency-Dependent Coherence Matching. IEEE Transactions on Audio, Speech and Language Processing . (Submitted) [BibTeX]

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Further Details

Item Type:Article
Subjects:UNSPECIFIED
ID Code:32
Deposited By:Fritz Menzer
Deposited On:14 Mar 2010 12:26
Last Modified:15 Mar 2010 16:14

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