German indie production powerhouse Constantin Film is building on its booming TV business by forming a joint venture with Studio Hamburg unit Polyphon Film und Fersehgesellschaft, the companies said ...

Acoustical Solutions wants to bring silence to the NAB Show. PolyPhon acoustical panels (shown) are sound-absorbing panels developed with environmental friendliness in mind, the company says. The ...

APPRAISER: For Polyphon-- that was in there when, when your family got it? APPRAISER: This is the golden age of lithography. And they would have sent this to the retailer to hang up in the store to ...

MUSICIAN Luke Daniels is "revolving and rotating" the music scene by reversing Victorian technology to make new sounds. An audience at The Artrix in Bromsgrove will be able to hear the highly original ...

Antiques Roadshow is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, ...