Titlebook: Head-Related Transfer Function and Acoustic Virtual Reality; Kazuhiro Iida Book 2019 Springer Nature Singapore Pte Ltd. 2019 Spatial heari

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Kazuhiro IidaDie in § . eingeführten Ringe, die gleichzeitig endlich-dimensionale Vektorräume über einem Körper . sind und die Bedingung . erfüllen, heißen . oder . über P. Läßt man die Forderung der Assoziativität fallen, so erhält man den allgemeineren Begriff einer (linearen) .. Unter den nicht assoziativen Algebren sind zwei Arten besonders hervorzuheben:

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Introduction,This introductory chapter describes the motivation for writing this book. Then, head-related transfer functions (HRTFs) are defined, and the coordinate system used in this book is described. Finally, recent advancements in HRTF research are briefly summarized.

Exposition

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HRTF and Sound Localization in the Median Plane,This chapter describes the physical aspects of HRTFs in the median plane and sound image localization by reproducing these HRTFs. Cues for vertical localization, which are included in HRTFs, are also discussed.

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HRTF and Sound Image Control for an Arbitrary Three-Dimensional Direction,Are HRTFs in any direction necessary to realize sound image control in any three-dimensional direction? This chapter discusses methods by which to control a sound image in an arbitrary direction using a limited number of HRTFs at sparse directions in three-dimensional space.

Deceit

Measurement Method for HRTF,In order to actually measure HRTFs, practical knowledge is also required in addition to understanding the theory of the HRTF. This chapter introduces the author’s knowledge and experience as far as possible, so as to enable the readers to measure HRTFs by themselves.

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Signal Processing of HRTF,In order to analyze HRTFs and apply them to acoustic VR systems, signal processing technique is required. This chapter introduces the methods for calculating the ITD and ILD, and extracting the spectral cues. Furthermore, the methods for convolution of the HRIRs and a sound source signal is introduced.

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Comparison of HRTF Databases,Several research institutes have released databases of HRTFs. This chapter introduces representative databases and compares them from the viewpoints of spectral cues and pinna shape.

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