A signal integrity assessment method for audio cables based on the SIMPEST+ tool

SIMPEST+ Method: A Novel Approach for Assessing Audio Cable Signal Integrity Under Real Musical Load Conditions This study introduces the SIMPEST+ method, a groundbreaking measurement tool and methodology designed to evaluate audio cable performance beyond traditional frequency-response analysis. By focusing on differential measurements under real musical load conditions, it quantifies Transfer Losses (TL) and Composite Noise (CN)—parameters previously overlooked in conventional cable testing. The research demonstrates that cable construction, installation conditions, and material properties significantly impact signal integrity, validating subjective listening experiences with measurable data. The work includes full open-source hardware specifications, measurement protocols, and results ranking cables via an Integrated Quality Index (IQI). Released under a CC BY-NC-SA 4.0 license, this study aims to foster transparent, reproducible research in audio engineering. Per. Ind. Giampiero Vecchio Alias Juan Del Vecchio