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DJCM: A Deep Joint Cascade Model for Singing Voice Separation and Vocal Pitch Estimation
Jan 08, 2024
Singing voice separation and vocal pitch estimation are pivotal tasks in music information retrieval. Existing methods for simultaneous extraction of clean vocals and vocal pitches can be classified into two categories: pipeline methods and naive joint learning methods. However, the efficacy of these methods is limited by the following problems: On the one hand, pipeline methods train models for each task independently, resulting a mismatch between the data distributions at the training and testing time. On the other hand, naive joint learning methods simply add the losses of both tasks, possibly leading to a misalignment between the distinct objectives of each task. To solve these problems, we propose a Deep Joint Cascade Model (DJCM) for singing voice separation and vocal pitch estimation. DJCM employs a novel joint cascade model structure to concurrently train both tasks. Moreover, task-specific weights are used to align different objectives of both tasks. Experimental results show that DJCM achieves state-of-the-art performance on both tasks, with great improvements of 0.45 in terms of Signal-to-Distortion Ratio (SDR) for singing voice separation and 2.86% in terms of Overall Accuracy (OA) for vocal pitch estimation. Furthermore, extensive ablation studies validate the effectiveness of each design of our proposed model. The code of DJCM is available at https://github.com/Dream-High/DJCM .
RMVPE: A Robust Model for Vocal Pitch Estimation in Polyphonic Music
Jun 28, 2023
Vocal pitch is an important high-level feature in music audio processing. However, extracting vocal pitch in polyphonic music is more challenging due to the presence of accompaniment. To eliminate the influence of the accompaniment, most previous methods adopt music source separation models to obtain clean vocals from polyphonic music before predicting vocal pitches. As a result, the performance of vocal pitch estimation is affected by the music source separation models. To address this issue and directly extract vocal pitches from polyphonic music, we propose a robust model named RMVPE. This model can extract effective hidden features and accurately predict vocal pitches from polyphonic music. The experimental results demonstrate the superiority of RMVPE in terms of raw pitch accuracy (RPA) and raw chroma accuracy (RCA). Additionally, experiments conducted with different types of noise show that RMVPE is robust across all signal-to-noise ratio (SNR) levels. The code of RMVPE is available at https://github.com/Dream-High/RMVPE.