[Cluster Analysis, Audio Signal Processing, Deep Learning Modeling] · Cluster Analysis (k-Means, k-Medoids, EM Gaussian Mixture Model, Hierarchical, DBSCAN) · Clustering Evaluation Metrics (Silhouette Index, Dunn Index, Davies-Bouldin Index, Calinski-Harabasz Index) · Audio Signal Processing (Spectrogram, Mel-Frequency Cepstrum, Fast Fourier Transform, Wavelet Transform, Constant-Q Transform) · CNN Layer (Fully-Connected, Convolutional, Pooling) · Activation Function (Softmax, ReLU) · Stochastic Gradient Descent (RMSProp) · Regularization (Dropout) · Transfer Learning (CNN Architecture - VGGNet) · Residual Network · Normalization (Batch Normalization) [Cluster Analysis, Audio Signal Processing, Deep Learning Modeling] · Audio Signal Processing (Spectrogram, Mel-Frequency Cepstrum, Fast Fourier Transform, Wavelet Transform, Constant-Q Transform) · Deep Generative Model (Autoencoder, Variational Autoencoder, GAN) · CNN Layer (Fully-Connected, Convolutional, Pooling) · Activation Function (ReLU, Sigmoid, Leaky ReLU) · Stochastic Gradient Descent (Adam) · Regularization (Dropout) · Cluster Analysis (k-Means, k-Medoids, EM Gaussian Mixture Model, Hierarchical, DBSCAN) · Clustering Evaluation Metrics (Silhouette Index, Dunn Index, Davies-Bouldin Index, Calinski-Harabasz Index)