The second edition of my popular filter book, Digital Filters for Everyone, is now available on Amazon.
An e-book is coming.
The paper book will also be available from other retailers.
Look Inside and other features of the Amazon page will also be populated.
All of these things take a little time but they are coming.
When all is said and done I intend to keep the first edition for sale indefinitely, but I do intend to raise the price to $35 since I would like to incentivize buyers to take the newer edition which will continue to be $29.99.
The new edition contains everything that was in the old one but also has a chapter on filter applications, a section on fixed point implementation, and more guidance and use examples for the filter equations. The IIR equations are mathematically equivalent to those of the first edition, but the common denominator is written out only once to simplify the presentation (and programming from the book). Likewise, the simple relationships of numerator coefficients are made explicit: if b3 = b1, this is what is written for b3, rather than the full equation. All in all the book is clearer and easier to follow. Nothing is lost, but many new features will be useful. Enjoy!
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