+ wishlist Robust and Secured Digital Audio Watermarking: Using a DWT-SVD-DSSS Hybrid Approach (SpringerBriefs in Speech Technology) [9783030539108] Add to Cart The item has been added Author: Krunal N. Patel Robust and Secured Digital Audio Watermarking: Using a DWT-SVD-DSSS Hybrid Approach (SpringerBriefs in Speech Technology) [9783030539108] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 49 12% 50 - 99 13% 100+ 14% List Price As Low as $54.99 Format: Paperback