Ambisonics
A Practical 3D Audio Theory for Recording, Studio Production, Sound Reinforcement, and Virtual Reality
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Living Reference Work Entry In depth
Ambisonics
Diese Kapitel erklärt die Grundlagen von Ambisonics aus praktischer Sicht: Ausgehend von traditionellen koinzidenten Stereo-Aufnahmeverfahren wird Ambisoncis erster Ordnung abgeleitet. Den Schwerpunkt des Kapi...
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Article
Open AccessComparative evaluation of interpolation methods for the directivity of musical instruments
Measurements of the directivity of acoustic sound sources must be interpolated in almost all cases, either for spatial upsampling to higher resolution representations of the data, for spatial resampling to ano...
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Book
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Chapter
Amplitude Panning Using Vector Bases
This chapter describes Ville Pulkki’s famous vector-base amplitude panning (VBAP) as the most robust and generic algorithm of amplitude panning that works on nearly any surrounding loudspeaker layout. VBAP act...
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Chapter
Auditory Events of Multi-loudspeaker Playback
This chapter describes the perceptual properties of auditory events, the sound images that we localize in terms of direction and width, when distributing a signal with different amplitudes to one or a couple o...
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Chapter
Ambisonic Amplitude Panning and Decoding in Higher Orders
Already in the 1970s, the idea of using continuous harmonic functions of scalable resolution was described by Cooper and then Gerzon, who introduced the name Ambisonics. This chapter starts by reviewing proper...
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Chapter
Higher-Order Ambisonic Microphones and the Wave Equation (Linear, Lossless)
Unlike pressure-gradient transducers, single-transducer microphones with higher-order directivity apparently turned out to be difficult to manufacture at reasonable audio quality. Therefore nowadays, higher-or...
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Chapter
XY, MS, and First-Order Ambisonics
This chapter describes first-order Ambisonic technologies starting from classical coincident audio recording and playback principles from the 1930s until the invention of first-order Ambisonics in the 1970s. C...
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Chapter
Signal Flow and Effects in Ambisonic Productions
This chapter presents the internal working principles of various Ambisonic 3D audio effects. No matter which digital audio workstation or processing software is used in a production, the general Ambisonic sign...
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Chapter
Compact Spherical Loudspeaker Arrays
This chapter introduces auditory objects that can be created by adjustable-directivity sources in rooms. After showing basic positioning properties in distance and direction, we describe physical first- and hi...
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Chapter
Sound Optimization for Downsized Engines
Today, the number of downsized engines with two or three cylinders is increasing due to an increase in fuel efficiency. However, downsized engines exhibit unbalanced interior sound in the range of their optima...
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Chapter
Spatial Audio Rendering
Complementary to non-spatialized signals and their transmission, this chapter gives an overview of the quality of rendering methods that create spatial sound. Common methods and the underlying concept of a vir...
