Timeline

• dbx-tv Total Volume technology demonstrated at International Consumer Electronics Show (CES)

• Executed twenty-fifth license under digital licensing program

• dbx-tv design center opened in Alpharetta, GA, USA

• Worldwide TV-audio decoder passed global field testing, and began shipping in ICs

2005

• THAT developed Verilog-based consumer decoder for worldwide legacy audio standards (BTSC, NICAM, A2, EIAJ, FM Stereo)

• Signed first worldwide licensees

2004

• Original dbx-tv noise reduction system patent expired worldwide

• Original licensing program ended; Digital licensing program continues

• THAT began licensing Verilog-based BTSC IP to IC makers

2003

• THAT & ESP partnered to extend set of Verilog-based IP to cover all BTSC markets (pro/consumer encoding/decoding)

2002

• THAT exclusively acquired Verilog BTSC encoder code and patents from ESP

• THAT began licensing code and expanded patent portfolio

2001

• THAT converted BTSC encoder to licensing model; Signed several licensees

• THAT stopped making hardware BTSC encoders

1997

• THAT signed first digital BTSC license (consumer decoding)

• ESP designed first Verilog-based BTSC solution (broadcast encoder)

• ESP applied for patent protection for its encoder design

1996

• THAT developed digital broadcast BTSC encoder (DSP-based, sold in hardware form)

• THAT applied for broad patent protection based on this work

1994

• THAT acquired dbx licenses and portfolio of all dbx patents

1989

• THAT Corp founded as spin-off of dbx Inc.

1984

• BTSC standard adopted in US

• dbx Inc. patented the original dbx-tv noise reduction system (US patent 4,539,526) and licensed TV-set and VCR makers worldwide to use its patent portfolio & the dbx trademark