Methods in ecoacoustics : the acoustic complexity indices
著者
書誌事項
Methods in ecoacoustics : the acoustic complexity indices
（Frontiers in ecoacoustics, v. 1）
Springer, c2021
- : hbk
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
This book represents an introduction to ecoacoustics theory, to the application of the Acoustic Complexity Indices (ACIs) to acoustic survey, and to the use of an innovative software to process acoustic data. It enables readers to comprehend the main principles that guide the recent development of ecoacoustics and offers a synthesis about the role of sound in the ecological research.
Readers will be introduced to the use of the ACIs by a detailed description of the main algorithms recently formulated and on their correct application in the acoustic processing concurring to the creation of sonic information systems. Readers will also find a new dedicated software application, namely SonoScape, that is described in detail with its codes attached in the supplementary material in a completely visible format. The SonoScape is a performing software application operating in MatLab (R) and is enriched of several options to manage single and large collection of acoustics files. It vides the feasibility to process data at different temporal scale, using different combination of parameters, and to extract novel complexity measures such as entropy and fractal dimension of ecoacoustic events. It also offers functions to visualize the results using customized 3-D plots or ternary plots, intuitively demonstrating the patterns of ACIs based on the vast number of numerical results.
Finally, this book provides several examples of case studies with the aim of better understanding the potentiality of ACIs and the power of SonoScape as multitasking software to approaching the complexity of the ecoacoustic investigation.
Students and scholars in ecology, land managers and technicians may find an important tool to interpret the complex relationship between humans and natural processes when sounds are adopted as proxy.
目次
1. An introduction to Ecoacoustics
1.1 Ecoacoustics: The definition of a new scientific discipline
1.2 Short history of ecoacoustics
1.3 Sound definition and categories
1.3.1 Originator agents
1.3.2 Semiosis
1.4 Theoretical principles in ecoacoustics
1.4.1 The Morphological Adaptation Hypothesis MHA
1.4.2 The Acoustic Adaptation Hypothesis AAH
1.4.3 The Acoustic Niche Hypothesis ANH
1.4.4 The Acoustic Habitat Hypothesis AHH
1.4.5 The Acoustic Community
1.5 Developing a sonic domain narrative
1.5.1 Sonoscapes and soundscapes
1.5.2 Sonotopes
1.5.3. Soundtopes
1.5.4 Sonotones and soundtones
1.5.5 Sonic and acoustic signature
1.5.6 The Ecoacoustic events
1.5.7 Sonic matrix
1.6 Sounds interpreted as noise
1.7 Sonic Information Systems
1.8 References
2. The Acoustic Complexity Indices (ACIs)
2.1 A short history of ACI
2.2 Mathematical equations
2.3 Avoiding the edge effect
2.4 Sonic signatures
2.5 Clumping
2.6 ACItf evenness and ACIft evenness
2.7 Energy filter
2.8 Assessing the range from a sonic matrix: Far and near-field
2.9 Coding soundscape information
2.10 From Sonoscape Codes to Ecoacoustics Events (EE)
2.11 Scaling a sonic matrix to obtain ecoacoustic codes EC
2.12 Sonic Code Diversity
2.13 Sonic Signature Dissimilarity SSD
2.14 The fractal dimension of the sonic codes (Dsc) and of Sonic Signature Dissimilarity (DSSD)
2.15 References
3. Introduction to the SonoScape, an open-source software application in MatLab (R)
3.1 About the SonoScape open-source software project
3.2 Competencies
3.3 Installation of the SonoScape software application
3.3.1 System Requirements
3.3.2 Standalone installation of the SonoScape
3.3.3 MATLAB (R) command line installation of the SonoScape
3.3.4 Registration
3.4 The user interface of the SonoScape
3.4.1 Input of parameters
3.4.2 Buttons
3.5 Data management
3.6 Software configuration
3.6.1 Import
3.6.2 Save
3.6.3 Compute
3.7 Open
3.8 ACI analysis
3.9 Post-ACI process-The ecoacoustic events and the ASD calculations
3.10 ACI visualizer
3.11 Ecoacoustic Event Visualizer (Ternary Plot)
3.12 Other analysis
3.12.1 Files rearrangement
3.13 About information
3.14 References
4 - Exercises
4.1 Introduction
4.2 How to set the threshold of the energy filter
4.3 Working with the energy filter
4.4 Working with the Sonic signature
4.5 Working with near/far acoustic field
4.6 Working with the Sonic signature across landscape
4.7 Working with the temporal scale
4.8 Working with the fractal dimension of the Ecoacoustic Events at dawn
4.9 Graphing Ecocoaustics Events
Index
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