+ wishlist Add to Cart The item has been added Author: D. G. Childers Speech Processing and Synthesis Toolboxes [9780471349594] 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 4% 50 - 99 5% 100+ 6% List Price As Low as $286.95 Format: Hardcover