SONBRA Dataset

SONBRA Database This repository contains 10,000 samples of records from the SONBRA database. It features characteristics extracted from 250 unique musical tracks for each of the 8 genres included in the database. Each track was divided into 30-second segments. Specifications Database Statistics Metric Value Total samples 10,000 Original tracks 250 Represented genres 8 Segments per track 5 Segment duration 30s Genre Distribution The dataset has a balanced distribution of genres: Bossa Nova Forró Funk Pagode Pisadinha Samba Samba-enredo Sertanejo Segment Structure Begin - Initial 30 seconds Middle_1 - 30 seconds before the center point Middle - 15 seconds before and after the center point Middle_2 - 30 seconds after the center point End - Final 30 seconds Extracted Features RMS ZCR ZCR Sum Mel spectrogram Spectral bandwidth Spectral centroid Spectral rolloff Chroma STFT Chroma CQT Chroma CENS Tonnetz Tempogram Fourier Tempogram MFCC