{ "item_title" : "Speech Signal Processing", "item_author" : [" Pooja Saxena", "Brij Narayan Saxena", "Vishnu Narayan Saxena "], "item_description" : "Any audio signal or music signal contain a range of frequencies from 20 Hz to 20 Khz . In this frequency range band of music signal there are several sub bands of different frequencies where every frequency band has its own characteristics and sound effect. Every band of frequencies having a different information about music signal. And according to our need and requirement of any particular application we do require to amplify or to attenuate any particular frequency band . In this book my whole effort is to give readers enough practical knowledge that they can understand the difference between different frequency components and can separate, amplify and attenuate desired frequency components.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/53/281/161/1532811616_b.jpg", "price_data" : { "retail_price" : "27.00", "online_price" : "27.00", "our_price" : "27.00", "club_price" : "27.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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