For $319, Shanling’s ECZero AKM delivers high-quality headphone listening, Bluetooth streaming to wireless headphones or speakers, and CD ripping—all in a sleek portable design.

Is there any way to figure out what the audio quality is on a given DVD, beyond what the buzz words on the sleeve say? I have the 1st edition Ultravox Return To Eden DVD+2CD album, of which I ripped a ...