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Format: 1 online resource (223 pages)

Edition: 1st ed.

ISBN: 9783030172077

Series Statement: Springer Topics in Signal Processing Series ; v.19

Note: Intro -- Preface -- Acknowledgements -- Outline -- Contents -- 1 XY, MS, and First-Order Ambisonics -- 1.1 Blumlein Pair: XY Recording and Playback -- 1.2 MS Recording and Playback -- 1.3 First-Order Ambisonics (FOA) -- 1.3.1 2D First-Order Ambisonic Recording and Playback -- 1.3.2 3D First-Order Ambisonic Recording and Playback -- 1.4 Practical Free-Software Examples -- 1.4.1 Pd with Iemmatrix, Iemlib, and Zexy -- 1.4.2 Ambix VST Plugins -- 1.5 Motivation of Higher-Order Ambisonics -- References -- 2 Auditory Events of Multi-loudspeaker Playback -- 2.1 Loudness -- 2.2 Direction -- 2.2.1 Time Differences on Frontal, Horizontal Loudspeaker Pair -- 2.2.2 Level Differences on Frontal, Horizontal Loudspeaker Pair -- 2.2.3 Level Differences on Horizontally Surrounding Pairs -- 2.2.4 Level Differences on Frontal, Horizontal to Vertical Pairs -- 2.2.5 Vector Models for Horizontal Loudspeaker Pairs -- 2.2.6 Level Differences on Frontal Loudspeaker Triangles -- 2.2.7 Level Differences on Frontal Loudspeaker Rectangles -- 2.2.8 Vector Model for More than 2 Loudspeakers -- 2.2.9 Vector Model for Off-Center Listening Positions -- 2.3 Width -- 2.3.1 Model of the Perceived Width -- 2.4 Coloration -- 2.5 Open Listening Experiment Data -- References -- 3 Amplitude Panning Using Vector Bases -- 3.1 Vector-Base Amplitude Panning (VBAP) -- 3.2 Multiple-Direction Amplitude Panning (MDAP) -- 3.3 Challenges in 3D Triangulation: Imaginary Loudspeaker Insertion and Downmix -- 3.4 Practical Free-Software Examples -- 3.4.1 VBAP/MDAP Object for Pd -- 3.4.2 SPARTA Panner Plugin -- References -- 4 Ambisonic Amplitude Panning and Decoding in Higher Orders -- 4.1 Direction Spread in First-Order 2D Ambisonics -- 4.2 Higher-Order Polynomials and Harmonics -- 4.3 Angular/Directional Harmonics in 2D and 3D -- 4.4 Panning with Circular Harmonics in 2D. , 4.5 Ambisonics Encoding and Optimal Decoding in 2D -- 4.6 Listening Experiments on 2D Ambisonics -- 4.7 Panning with Spherical Harmonics in 3D -- 4.8 Ambisonic Encoding and Optimal Decoding in 3D -- 4.9 Ambisonic Decoding to Loudspeakers -- 4.9.1 Sampling Ambisonic Decoder (SAD) -- 4.9.2 Mode Matching Decoder (MAD) -- 4.9.3 Energy Preservation on Optimal Layouts -- 4.9.4 Loudness Deficiencies on Sub-optimal Layouts -- 4.9.5 Energy-Preserving Ambisonic Decoder (EPAD) -- 4.9.6 All-Round Ambisonic Decoding (AllRAD) -- 4.9.7 EPAD and AllRAD on Sub-optimal Layouts -- 4.9.8 Decoding to Hemispherical 3D Loudspeaker Layouts -- 4.10 Practical Studio/Sound Reinforcement Application Examples -- 4.11 Ambisonic Decoding to Headphones -- 4.11.1 High-Frequency Time-Aligned Binaural Decoding (TAC) -- 4.11.2 Magnitude Least Squares (MagLS) -- 4.11.3 Diffuse-Field Covariance Constraint -- 4.12 Practical Free-Software Examples -- 4.12.1 Pd and Circular/Spherical Harmonics -- 4.12.2 Ambix Encoder, IEM MultiEncoder, and IEM AllRADecoder -- 4.12.3 Reaper, IEM RoomEncoder, and IEM BinauralDecoder -- References -- 5 Signal Flow and Effects in Ambisonic Productions -- 5.1 Embedding of Channel-Based, Spot-Microphone, and First-Order Recordings -- 5.2 Frequency-Independent Ambisonic Effects -- 5.2.1 Mirror -- 5.2.2 3D Rotation -- 5.2.3 Directional Level Modification/Windowing -- 5.2.4 Warping -- 5.3 Parametric Equalization -- 5.4 Dynamic Processing/Compression -- 5.5 Widening (Distance/Diffuseness/Early Lateral Reflections) -- 5.6 Feedback Delay Networks for Diffuse Reverberation -- 5.7 Reverberation by Measured Room Impulse Responses and Spatial Decomposition Method in Ambisonics -- 5.8 Resolution Enhancement: DirAC, HARPEX, COMPASS -- 5.9 Practical Free-Software Examples -- 5.9.1 IEM, ambix, and mcfx Plug-In Suites -- 5.9.2 Aalto SPARTA -- 5.9.3 Røde -- References. , 6 Higher-Order Ambisonic Microphones and the Wave Equation (Linear, Lossless) -- 6.1 Equation of Compression -- 6.2 Equation of Motion -- 6.3 Wave Equation -- 6.3.1 Elementary Inhomogeneous Solution: Green's Function (Free Field) -- 6.4 Basis Solutions in Spherical Coordinates -- 6.5 Scattering by Rigid Higher-Order Microphone Surface -- 6.6 Higher-Order Microphone Array Encoding -- 6.7 Discrete Sound Pressure Samples in Spherical Harmonics -- 6.8 Regularizing Filter Bank for Radial Filters -- 6.9 Loudness-Normalized Sub-band Side-Lobe Suppression -- 6.10 Influence of Gain Matching, Noise, Side-Lobe Suppression -- 6.11 Practical Free-Software Examples -- 6.11.1 Eigenmike Em32 Encoding Using Mcfx and IEM Plug-In Suites -- 6.11.2 SPARTA Array2SH -- References -- 7 Compact Spherical Loudspeaker Arrays -- 7.1 Auditory Events of Ambisonically Controlled Directivity -- 7.1.1 Perceived Distance -- 7.1.2 Perceived Direction -- 7.2 First-Order Compact Loudspeaker Arrays and Cubes -- 7.3 Higher-Order Compact Spherical Loudspeaker Arrays and IKO -- 7.3.1 Directivity Control -- 7.3.2 Control System and Verification Based on Measurements -- 7.4 Auditory Objects of the IKO -- 7.4.1 Static Auditory Objects -- 7.4.2 Moving Auditory Objects -- 7.5 Practical Free-Software Examples -- 7.5.1 IEM Room Encoder and Directivity Shaper -- 7.5.2 IEM Cubes 5.1 Player and Surround with Depth -- 7.5.3 IKO -- References -- Appendix -- A.1 Harmonic Functions -- A.2 Laplacian in Orthogonal Coordinates -- A.3 Laplacian in Spherical Coordinates -- A.3.1 The Radial Part -- A.3.2 The Azimuthal Part -- A.3.3 The Zenithal Part -- A.3.4 Azimuthal Solution in 2D and 3D -- A.3.5 Towards Spherical Harmonics (3D) -- A.3.6 Zenithal Solution: Associated Legendre Differential Equation -- A.3.7 Spherical Harmonics -- A.4 Encoding to SH and Decoding to SH. , A.5 Covariance Constraint for Binaural Ambisonic Decoding -- A.6 Physics of the Helmholtz Equation -- A.6.1 Adiabatic Compression -- A.6.2 Potential and Kinetic Sound Energies, Intensity, Diffuseness -- A.6.3 Green's Function in 3 Cartesian Dimensions -- A.6.4 Radial Solution of the Helmholtz Equation -- A.6.5 Green's Function in Spherical Solutions, Angular Distributions, Plane Waves -- A.7 Sine and Tangent Law -- References.

Additional Edition: Print version: Zotter, Franz Ambisonics Cham : Springer International Publishing AG,c2019 ISBN 9783030172060

Language: English

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UID:

Format: 1 Online-Ressource (210 p.)

ISBN: 9783030172077

Series Statement: Springer Topics in Signal Processing

Content: This open access book provides a concise explanation of the fundamentals and background of the surround sound recording and playback technology Ambisonics. It equips readers with the psychoacoustical, signal processing, acoustical, and mathematical knowledge needed to understand the inner workings of modern processing utilities, special equipment for recording, manipulation, and reproduction in the higher-order Ambisonic format. The book comes with various practical examples based on free software tools and open scientific data for reproducible research. The book’s introductory section offers a perspective on Ambisonics spanning from the origins of coincident recordings in the 1930s to the Ambisonic concepts of the 1970s, as well as classical ways of applying Ambisonics in first-order coincident sound scene recording and reproduction that have been practiced since the 1980s. As, from time to time, the underlying mathematics become quite involved, but should be comprehensive without sacrificing readability, the book includes an extensive mathematical appendix. The book offers readers a deeper understanding of Ambisonic technologies, and will especially benefit scientists, audio-system and audio-recording engineers. In the advanced sections of the book, fundamentals and modern techniques as higher-order Ambisonic decoding, 3D audio effects, and higher-order recording are explained. Those techniques are shown to be suitable to supply audience areas ranging from studio-sized to hundreds of listeners, or headphone-based playback, regardless whether it is live, interactive, or studio-produced 3D audio material

Note: English

Language: English

URL: kostenfrei

UID:

Format: 1 online resource (XIV, 210 p. 171 illus., 35 illus. in color.)

Edition: 1st ed. 2019.

ISBN: 3-030-17207-4

Series Statement: Springer Topics in Signal Processing, 19

Content: This open access book provides a concise explanation of the fundamentals and background of the surround sound recording and playback technology Ambisonics. It equips readers with the psychoacoustical, signal processing, acoustical, and mathematical knowledge needed to understand the inner workings of modern processing utilities, special equipment for recording, manipulation, and reproduction in the higher-order Ambisonic format. The book comes with various practical examples based on free software tools and open scientific data for reproducible research. The book’s introductory section offers a perspective on Ambisonics spanning from the origins of coincident recordings in the 1930s to the Ambisonic concepts of the 1970s, as well as classical ways of applying Ambisonics in first-order coincident sound scene recording and reproduction that have been practiced since the 1980s. As, from time to time, the underlying mathematics become quite involved, but should be comprehensive without sacrificing readability, the book includes an extensive mathematical appendix. The book offers readers a deeper understanding of Ambisonic technologies, and will especially benefit scientists, audio-system and audio-recording engineers. In the advanced sections of the book, fundamentals and modern techniques as higher-order Ambisonic decoding, 3D audio effects, and higher-order recording are explained. Those techniques are shown to be suitable to supply audience areas ranging from studio-sized to hundreds of listeners, or headphone-based playback, regardless whether it is live, interactive, or studio-produced 3D audio material.

Note: XY, MS, and First-order Ambisonics -- Auditory events of multi-loudspeaker playback -- Amplitude panning using vector bases -- Ambisonic amplitude panning in higher orders -- Signal flow and effects in Ambisonic productions -- Higher-order Ambisonic microphones and the wave equation (linear, lossless) -- Compact spherical loudspeaker arrays -- 5D room impulse responses + virtual IKO. , English

Additional Edition: ISBN 3-030-17206-6

Language: English

DOI: 10.1007/978-3-030-17207-7

UID:

Format: 1 online resource (XIV, 210 p. 171 illus., 35 illus. in color.)

Edition: 1st ed. 2019.

ISBN: 3-030-17207-4

Series Statement: Springer Topics in Signal Processing, 19

Content: This open access book provides a concise explanation of the fundamentals and background of the surround sound recording and playback technology Ambisonics. It equips readers with the psychoacoustical, signal processing, acoustical, and mathematical knowledge needed to understand the inner workings of modern processing utilities, special equipment for recording, manipulation, and reproduction in the higher-order Ambisonic format. The book comes with various practical examples based on free software tools and open scientific data for reproducible research. The book’s introductory section offers a perspective on Ambisonics spanning from the origins of coincident recordings in the 1930s to the Ambisonic concepts of the 1970s, as well as classical ways of applying Ambisonics in first-order coincident sound scene recording and reproduction that have been practiced since the 1980s. As, from time to time, the underlying mathematics become quite involved, but should be comprehensive without sacrificing readability, the book includes an extensive mathematical appendix. The book offers readers a deeper understanding of Ambisonic technologies, and will especially benefit scientists, audio-system and audio-recording engineers. In the advanced sections of the book, fundamentals and modern techniques as higher-order Ambisonic decoding, 3D audio effects, and higher-order recording are explained. Those techniques are shown to be suitable to supply audience areas ranging from studio-sized to hundreds of listeners, or headphone-based playback, regardless whether it is live, interactive, or studio-produced 3D audio material.

Note: XY, MS, and First-order Ambisonics -- Auditory events of multi-loudspeaker playback -- Amplitude panning using vector bases -- Ambisonic amplitude panning in higher orders -- Signal flow and effects in Ambisonic productions -- Higher-order Ambisonic microphones and the wave equation (linear, lossless) -- Compact spherical loudspeaker arrays -- 5D room impulse responses + virtual IKO. , English

Additional Edition: ISBN 3-030-17206-6

Language: English

DOI: 10.1007/978-3-030-17207-7

UID:

Format: 1 online resource (XIV, 210 p. 171 illus., 35 illus. in color.)

Edition: 1st ed. 2019.

ISBN: 3-030-17207-4

Series Statement: Springer Topics in Signal Processing, 19

Content: This open access book provides a concise explanation of the fundamentals and background of the surround sound recording and playback technology Ambisonics. It equips readers with the psychoacoustical, signal processing, acoustical, and mathematical knowledge needed to understand the inner workings of modern processing utilities, special equipment for recording, manipulation, and reproduction in the higher-order Ambisonic format. The book comes with various practical examples based on free software tools and open scientific data for reproducible research. The book’s introductory section offers a perspective on Ambisonics spanning from the origins of coincident recordings in the 1930s to the Ambisonic concepts of the 1970s, as well as classical ways of applying Ambisonics in first-order coincident sound scene recording and reproduction that have been practiced since the 1980s. As, from time to time, the underlying mathematics become quite involved, but should be comprehensive without sacrificing readability, the book includes an extensive mathematical appendix. The book offers readers a deeper understanding of Ambisonic technologies, and will especially benefit scientists, audio-system and audio-recording engineers. In the advanced sections of the book, fundamentals and modern techniques as higher-order Ambisonic decoding, 3D audio effects, and higher-order recording are explained. Those techniques are shown to be suitable to supply audience areas ranging from studio-sized to hundreds of listeners, or headphone-based playback, regardless whether it is live, interactive, or studio-produced 3D audio material.

Note: XY, MS, and First-order Ambisonics -- Auditory events of multi-loudspeaker playback -- Amplitude panning using vector bases -- Ambisonic amplitude panning in higher orders -- Signal flow and effects in Ambisonic productions -- Higher-order Ambisonic microphones and the wave equation (linear, lossless) -- Compact spherical loudspeaker arrays -- 5D room impulse responses + virtual IKO. , English

Additional Edition: ISBN 3-030-17206-6

Language: English

DOI: 10.1007/978-3-030-17207-7

UID:

Format: 1 online resource (XIV, 210 p. 171 illus., 35 illus. in color.)

Edition: 1st ed. 2019.

ISBN: 3-030-17207-4

Series Statement: Springer Topics in Signal Processing, 19

Content: This open access book provides a concise explanation of the fundamentals and background of the surround sound recording and playback technology Ambisonics. It equips readers with the psychoacoustical, signal processing, acoustical, and mathematical knowledge needed to understand the inner workings of modern processing utilities, special equipment for recording, manipulation, and reproduction in the higher-order Ambisonic format. The book comes with various practical examples based on free software tools and open scientific data for reproducible research. The book’s introductory section offers a perspective on Ambisonics spanning from the origins of coincident recordings in the 1930s to the Ambisonic concepts of the 1970s, as well as classical ways of applying Ambisonics in first-order coincident sound scene recording and reproduction that have been practiced since the 1980s. As, from time to time, the underlying mathematics become quite involved, but should be comprehensive without sacrificing readability, the book includes an extensive mathematical appendix. The book offers readers a deeper understanding of Ambisonic technologies, and will especially benefit scientists, audio-system and audio-recording engineers. In the advanced sections of the book, fundamentals and modern techniques as higher-order Ambisonic decoding, 3D audio effects, and higher-order recording are explained. Those techniques are shown to be suitable to supply audience areas ranging from studio-sized to hundreds of listeners, or headphone-based playback, regardless whether it is live, interactive, or studio-produced 3D audio material.

Note: XY, MS, and First-order Ambisonics -- Auditory events of multi-loudspeaker playback -- Amplitude panning using vector bases -- Ambisonic amplitude panning in higher orders -- Signal flow and effects in Ambisonic productions -- Higher-order Ambisonic microphones and the wave equation (linear, lossless) -- Compact spherical loudspeaker arrays -- 5D room impulse responses + virtual IKO. , English

Additional Edition: ISBN 3-030-17206-6

Language: English

DOI: 10.1007/978-3-030-17207-7

UID:

Format: XIV, 210 p. 171 illus., 35 illus. in color. , online resource.

Edition: 1st ed. 2019.

ISBN: 9783030172077

Series Statement: Springer Topics in Signal Processing, 19

Content: This open access book provides a concise explanation of the fundamentals and background of the surround sound recording and playback technology Ambisonics. It equips readers with the psychoacoustical, signal processing, acoustical, and mathematical knowledge needed to understand the inner workings of modern processing utilities, special equipment for recording, manipulation, and reproduction in the higher-order Ambisonic format. The book comes with various practical examples based on free software tools and open scientific data for reproducible research. The book’s introductory section offers a perspective on Ambisonics spanning from the origins of coincident recordings in the 1930s to the Ambisonic concepts of the 1970s, as well as classical ways of applying Ambisonics in first-order coincident sound scene recording and reproduction that have been practiced since the 1980s. As, from time to time, the underlying mathematics become quite involved, but should be comprehensive without sacrificing readability, the book includes an extensive mathematical appendix. The book offers readers a deeper understanding of Ambisonic technologies, and will especially benefit scientists, audio-system and audio-recording engineers. In the advanced sections of the book, fundamentals and modern techniques as higher-order Ambisonic decoding, 3D audio effects, and higher-order recording are explained. Those techniques are shown to be suitable to supply audience areas ranging from studio-sized to hundreds of listeners, or headphone-based playback, regardless whether it is live, interactive, or studio-produced 3D audio material.

Note: XY, MS, and First-order Ambisonics -- Auditory events of multi-loudspeaker playback -- Amplitude panning using vector bases -- Ambisonic amplitude panning in higher orders -- Signal flow and effects in Ambisonic productions -- Higher-order Ambisonic microphones and the wave equation (linear, lossless) -- Compact spherical loudspeaker arrays -- 5D room impulse responses + virtual IKO.

In: Springer eBooks

Additional Edition: Printed edition: ISBN 9783030172060

Additional Edition: Printed edition: ISBN 9783030172084

Additional Edition: Printed edition: ISBN 9783030172091

Language: English

DOI: 10.1007/978-3-030-17207-7

URL: https://doi.org/10.1007/978-3-030-17207-7

UID:

Format: xiv, 210 Seiten , Illustrationen

ISBN: 9783030172060

Series Statement: Springer Topics in Signal Processing Volume 19

Additional Edition: Erscheint auch als Online-Ausgabe ISBN 978-3-030-17207-7

Language: English

Keywords: Aufzeichnung ; Ambisonic ; Audiotechnik ; Tonstudiotechnik ; Virtuelle Realität ; Schallaufzeichnung ; Signalverarbeitung ; Soundverarbeitung ; Akustik ; Musik