Smith, Julius O. <br/><br/>
Introduction to digital filters :  with audio applications / 
Julius O. Smith. 
 - [United States] :  W3K,  2008. 
 - xviii, 460 p. :  ill. ;  23 cm. 
<br/><br/> Originally published: 2007. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780974560717 (pbk.) 0974560715 (pbk.)