Watermarking technology is a feasible approach for preventing copyright infringement. The practicality of the watermark itself affects the acceptance and penetration of relevant applications. In this study. a dual-mode fast Fourier transform (FFT)-based audio watermarking framework was devised to achieve both binary and numeric data hiding concurrently using the respective modulations. https://poolsproductscanadas.shop/product-category/jandy-lrz-parts/