I've been quite skeptical of noise-canceling technology for years. My cheap earbuds did a decent job of passively blocking ...

This feedback likely caused issues with the noise cancelling DSP. A little glue meant a $20 fix for a $400 pair of headphones.

Most wireless headphones and speakers rely on some type of digital signal processing. Here's what you need to know about DSP—and why it's hard to avoid. These helpful tips and tricks can help ...