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://www.inmuebleslasmercedes.com/product-category/plastic-food-pans/