Product Review - Circle Surround HTD1 Decoder - September, 1997 By Stacey Spears Circle Surround HTD1 Home Theater Decoder; All Audio Connectors: Phono RCA jacks; 1 input pair (Left and Right) and 6 outputs for Left, Center, Right, Left Surround, Right Surround, and Subwoofer; Frequency Response: 20Hz - 20KHz +/- 1dB; Maximum Input Level: 12 V; Maximum Output Level: 12 V; Power Requirements: 120/230 VAC; THD: Typical 0.05%; Dynamic Range: 110dB; Sub Wooofer: 80Hz Low Pass; Input Impedance: 10 KOhms; Output Impedance. Remove Write Protection From Usb Drive Windows Vista.

1: DirectDVD 6 HD; Windows HD DVD Player with Circle Surround II and VST Ready Engine DirectDVD HD is a professional Hollywood DVD Player, includes VST Steinberg. A family member of mine found a circle surround encoder. They own a buisness that pretty much buys out store's inventories when their going under (mostly for the.

I wonder what format it encodes in because I've never heard of a Circle Surround format. From that post about their decoder it seems like they were doing generic decoding like the old Dolby SR. When I searched on it all the links to their company website and resellers were bad. Windows 7 Usb Dvd Tool.

I'm guessing they went out of business. You might try testing it with a Dolby decoder and see if it works. Chances are they could have been licensing some other format and just making the hardware. How many inputs does it have? I might be interested in buying it if we can figure out exactly what formats it supports.