Construction and Simulation of Bioacoustic Models

Bioacoustics is an interdisciplinary field that studies how organisms generate, propagate, receive and analyze sound waves, involving biology, acoustics, physics and computer science. Bioacoustic models usually consist of three major elements: sound source, propagation medium and receiver. Each element needs to be accurately described and simulated in the modeling. Bioacoustic model construction and simulation are mainly used to simulate the acoustic interaction between organisms and the environment, helping to understand the physical characteristics, behavioral significance and physiological mechanisms of bioacoustic signals.

Fig.1 Soundscapes model showing a simulated landscape (400 × 301 pixels) affected by traffic noise. (Toth CA, et al., 2022)

Our Services

We provide high-precision, customized model building and simulation services for different bioacoustic scenarios.

Bioacoustic Model Building

Biological sound source modeling: Based on anatomical and physiological parameters, build a physical model of the biological sound source to simulate the generation process of biological sound signals.

Sound wave propagation modeling: simulate the propagation, attenuation and scattering of sound waves in complex organisms or environments, and analyze the impact of different media on acoustic signals.

Reception and response modeling: Build a response model of the biological auditory system or acoustic receiver to simulate the perception and analysis of specific acoustic signals by organisms.

Bioacoustic Simulation Analysis

Multi-scale simulation: multi-scale simulation from microscopic cell level (such as cochlear hair cell vibration) to macroscopic biological population (such as marine mammal sound wave positioning).

Time domain and frequency domain analysis: perform time domain, frequency domain, and time-frequency joint simulation to capture the dynamic characteristics and spectral distribution of bioacoustic signals.

Nonlinear and multi-physics field coupling: simulate the multi-physical processes involved in bioacoustic systems (such as sound-heat and sound-fluid coupling in organisms).

Acoustic Behavior Simulation in Complex Environments

Eco-environmental acoustic simulation: simulate the propagation characteristics of bioacoustic signals in different ecological environments (such as underwater, forests, and deserts), and evaluate the impact of environmental noise on biological communications.

Medical acoustic simulation: construct an acoustic model of human tissue to perform simulation analysis such as medical ultrasound imaging and acoustic therapy effects.

Animal acoustic behavior simulation: simulate the acoustic communication, echolocation, predation and avoidance behavior of animal groups.

Technologies

• Signal processing methods: wavelet transform, Fourier transform, short-time Fourier transform (STFT), time-frequency analysis, etc.
• Modeling techniques: finite element method (FEM), boundary element method (BEM), finite-difference time domain method (FDTD).
• Data-driven analysis: automatic voiceprint classification and feature extraction based on machine learning and deep learning, such as convolutional neural network (CNN) and long short-term memory network (LSTM).
• Multi-scale simulation: combining macro- and micro-scale models to fully simulate the physical process of biological sound generation and perception.

Advantages

• Personalized modeling: Customize precise bioacoustic models according to specific species, physiological structures and experimental requirements.
• High-precision simulation: Use advanced simulation technologies such as finite element method (FEM), boundary element method (BEM), acoustic finite difference time domain method (FDTD) to ensure calculation accuracy and simulation speed.
• Multi-platform compatibility: Compatible with a variety of biosimulation software and programming languages (such as COMSOL, ANSYS, MATLAB, Python), supporting data import and multi-format output.

Application

Our bioacoustic model building and simulation services are widely used in many cutting-edge fields, including but not limited to:

Ecological monitoring and animal behavior:

Analyzing animal acoustic communication, species identification, and the impact of environmental noise on biological behavior.

Medical acoustics and biomedical engineering:

Simulating human acoustic characteristics, optimizing medical ultrasound imaging, and acoustic therapy technology.

Biocommunication and signal processing:

Studying biological sound sources, auditory perception, and acoustic signal decoding in complex environments.

Engineering acoustics and biomimetic design:

Providing theoretical support and design optimization for underwater detection, sonar systems, and biomimetic acoustic devices.

Results Delivery

We provide detailed, intuitive and easy-to-understand analysis and simulation results to ensure that the results can be used efficiently for scientific research or technology development. The deliverables include:

Bioacoustic simulation report:

Describe model construction, simulation methods, parameter settings, calculation process and result analysis.

Provide key simulation data (such as sound field distribution, sound pressure level, spectrum characteristics, resonance frequency).

Simulation data and model files:

Provide raw data and processed simulation data in multiple formats (such as: .mat, .csv, .stl, .vtk, .txt).

Output 3D acoustic model files for subsequent research or secondary development.

Visual display of results:

Dynamic sound field animation: presents the propagation dynamics of sound waves in organisms or environments.

Three-dimensional sound pressure diagram: displays the spatial distribution and resonance mode of the sound field.

Spectrum and acoustic characteristics chart: displays the frequency domain and time domain characteristics of the simulation results in detail.

At CD Biomodeling, we provide bioacoustic model construction and simulation services, dedicated to revealing the generation, propagation and reception mechanisms of acoustic signals in organisms. Our services cover the entire process from model design, numerical simulation to result analysis, helping you explore complex bioacoustic phenomena and promote the in-depth application of bioacoustics in ecological monitoring, medical acoustics, animal behavior research and other fields. If you would like to learn more about the service details or get technical support, please feel free to contact us.

For Research Use Only!

Related Services

• Processing and Analysis of Bioacoustic Signals