Sound Design Strategies for Latent Audio Space Explorations Using Deep Learning Architectures

• URL: http://arxiv.org/abs/2305.15571v2
• Date: Mon, 19 Jun 2023 09:59:35 GMT
• Title: Sound Design Strategies for Latent Audio Space Explorations Using Deep Learning Architectures
• Authors: K{\i}van\c{c} Tatar, Kelsey Cotton, Daniel Bisig
• Abstract summary: We explore a well-known Deep Learning architecture called Variational Autoencoders (VAEs) VAEs have been used for generating latent timbre spaces or latent spaces of symbolic music excepts. In this work, we apply VAEs to raw audio data directly while bypassing audio feature extraction.
• Score: 1.6114012813668934
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The research in Deep Learning applications in sound and music computing have gathered an interest in the recent years; however, there is still a missing link between these new technologies and on how they can be incorporated into real-world artistic practices. In this work, we explore a well-known Deep Learning architecture called Variational Autoencoders (VAEs). These architectures have been used in many areas for generating latent spaces where data points are organized so that similar data points locate closer to each other. Previously, VAEs have been used for generating latent timbre spaces or latent spaces of symbolic music excepts. Applying VAE to audio features of timbre requires a vocoder to transform the timbre generated by the network to an audio signal, which is computationally expensive. In this work, we apply VAEs to raw audio data directly while bypassing audio feature extraction. This approach allows the practitioners to use any audio recording while giving flexibility and control over the aesthetics through dataset curation. The lower computation time in audio signal generation allows the raw audio approach to be incorporated into real-time applications. In this work, we propose three strategies to explore latent spaces of audio and timbre for sound design applications. By doing so, our aim is to initiate a conversation on artistic approaches and strategies to utilize latent audio spaces in sound and music practices.

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