Acoustics

1. Acoustic Measurement and Analysis
   1. Acoustic Sensors
      1. Types of Acoustic Sensors
         1. Microphones
         2. Hydrophones
         3. Geophones
         4. Specialized Sensors (e.g., piezoelectric sensors)
      2. Sensor Calibration
         1. Importance of Calibration
         2. Calibration Techniques
      3. Sensor Performance Parameters
         1. Sensitivity
         2. Frequency Response
         3. Signal-to-Noise Ratio (SNR)
   2. Sound Level Meters
      1. Types of Sound Level Meters
         1. Conventional Sound Level Meters
         2. Integrated Sound Level Meters
         3. Precision Sound Level Meters
      2. Measuring Sound Pressure Levels
         1. dB Scale and Weighting Networks (A, B, C, Z)
         2. Time Weighting (Fast, Slow, Impulse)
      3. Application Areas
         1. Occupational Noise Monitoring
         2. Environmental Noise Assessments
         3. Industrial Noise Measurements
   3. Acoustic Modeling and Simulation
      1. Principles of Acoustic Modeling
         1. Physical Modeling
         2. Mathematical Modeling
      2. Software and Tools
         1. Finite Element Analysis (FEA)
         2. Boundary Element Method (BEM)
         3. Computational Fluid Dynamics (CFD)
      3. Applications
         1. Room Acoustics Design
         2. Building Acoustics Analysis
         3. Predicting Sound Propagation in Outdoor Environments
   4. Signal Processing Techniques
      1. Basic Signal Processing Concepts
         1. Analog and Digital Signals
         2. Sampling Theorem
         3. Quantization
      2. Time-Domain Analysis
         1. Waveform Analysis
         2. Time-Based Feature Extraction
      3. Frequency-Domain Analysis
         1. Fourier Transform and its Variants (FFT, DFT)
         2. Spectral Analysis
      4. Advanced Processing Techniques
         1. Filter Design and Implementation
         2. Noise Reduction Algorithms
   5. Impulse Response
      1. Definition and Importance
      2. Measurement Techniques
         1. Direct and Indirect Measurement Methods
         2. Use of Exponential Sweep and MLS (Maximum Length Sequence)
      3. Applications
         1. Acoustic Echo Cancellation
         2. Room Acoustics Characterization
         3. Convolution Reverb Creation
   6. Frequency Analysis
      1. Principles of Frequency Analysis
         1. Spectrograms
         2. Harmonic and Non-Harmonic Components
      2. Tools and Techniques
         1. Spectrum Analyzers
         2. Audio Analyzers
      3. Practical Applications
         1. Sound Quality Assessment
         2. Identification of Resonance Phenomena
         3. Audio Equipment Testing