Lookup Table Based Audio Spectral Transformation
We present a unified visual interface for flexible spectral audio manipulation based on editable lookup tables (LUTs). In the proposed
approach, the audio spectrum is visualized as a two-dimensional
color map of frequency versus amplitude, serving as an editable
lookup table for modifying the sound. This single tool can replicate common audio effects such as equalization, pitch shifting, and
spectral compression, while also enabling novel sound transformations through creative combinations of adjustments. By consolidating these capabilities into one visual platform, the system has
the potential to streamline audio-editing workflows and encourage
creative experimentation. The approach also supports real-time
processing, providing immediate auditory feedback in an interactive graphical environment. Overall, this LUT-based method offers
an accessible yet powerful framework for designing and applying
a broad range of spectral audio effects through intuitive visual manipulation.