SRS Labs Granted Fifth U.S. Patent for Circle Surround(TM) Multi-Channel Enabling Technology

Proprietary Circle Surround Technology Provides Innovative Solution For

Delivering Multi-Channel Audio From Stereo or Encoded Content Over Internet,

Home Theater Systems and Gaming Consoles



Apr 27, 2001, 01:00 ET from SRS Labs, Inc.

    SANTA ANA, Calif., April 27 /PRNewswire/ -- SRS Labs, Inc. (Nasdaq: SRSL),
 a leading provider of innovative audio and voice technology solutions, today
 announced that it has been issued a fifth U.S. patent for certain aspects of
 its proprietary, multi-channel enabling technology, Circle Surround(TM).  This
 most recent U.S. patent was granted on March 6, 2001.  SRS Labs also has
 patents pending for Circle Surround throughout Europe and Asia, all of which
 represent SRS Labs' long-standing commitment to protecting and enforcing its
 intellectual property rights.
 
     Key features of Circle Surround include:
 
     -- Encoding - Circle Surround encodes five discrete channels into two
        channels and decodes the two channels back into five for playback over
        a hi-fi or home theater system equipped for multi-channel playback.
     -- Bass Output - In addition to the five channels for surround sound
        playback, there is also a low frequency output for the operation of a
        subwoofer.
     -- Broad Source Compatibility - When used in receivers, Circle Surround
        can turn standard stereo television, radio broadcasts and audio CDs
        instantly into a multi-channel 5.1 surround sound as it is played -- in
        real-time without the need for any encoding of the programming.
 
     Circle Surround technology, which was originally acquired by SRS Labs in
 1998 from Rocktron Corporation, is a powerful and diverse method of delivering
 surround sound and making a wide array of formats surround sound capable,
 including the following applications:
 
     -- HOME THEATER:
         -- Any stereo program including movies and TV shows can be enjoyed at
            home in a multi-channel application.
         -- Any stereo programs that are broadcasted in stereo can be decoded
            into multi-channel playback by the consumer -- decoding needed on
            the consumer side.
 
     -- GAMING
         -- Circle Surround provides the ability to easily encode both the
            "movie" content and real-time portion of PC and console games in
            5.1 surround sound.
 
     -- INTERNET STREAMING
         -- To address the burgeoning music and film content availability on
            the Internet, Circle Surround has been adapted for use as a
            multi-channel Internet audio delivery technology.
         -- Circle Surround enables the encoding of 5.1 channels on just two
            channels of audio, which can then be transmitted over the Internet
            using any of the compression schemes, and received by the listener
            where a CS 5.1 decoder creates full multi-channel audio from the
            two-channel stream.
 
     The ability of Circle Surround to store or transmit multi-channel encoded
 technology in a two-channel, stereo format is a unique advantage to streaming
 media and gaming companies.  The capability of the Circle Surround decoder to
 convert standard stereo or Dolby Surround encoded material into 5.1
 multi-channel playback on a PC, game console, home theater or stereo audio
 system is a very powerful tool for consumers and consumer product
 manufacturers.
     Circle Surround has been featured in home theater components including two
 receiver models from Kenwood last year and their new 2001 multi-channel
 receivers; VR 507; VR 509; and the VR 510.  It is also featured in Kenwood's
 VR-409 receivers available in the United States.  The Company announced last
 week that, SRS Labs' CS-Interactive (CS-I) technology will be available for
 license by game developers for games developed on Sony's Playstation2 and
 Nintendo's Gamecube through an agreement with Metrowerks.  CS-I encoding will
 be available with Metrowerks' CodeWarrier game development tools.  A consumer
 decoder hardware product called SoundCircle(TM) with two surround speakers is
 also available from Sunsoft, a Sun Corporation who will be utilizing the CS-I
 technology in their games and marketing the SoundCircle decoder box to
 consumers to take full advantage of the added multi-channel sound effects.
     Circle Surround encoding and decoding technologies are available through a
 license agreement with SRS Labs.  The Circle Surround decoder is currently
 available in several ICs including AKM's AK93C95A, AK7716, and AK7706; Analog
 Devices (ADI's) SSM2005; and Cirrus Logic's CS49300.
 
     About SRS Labs, Inc.
     SRS Labs is the world's leading provider of audio and voice enhancement
 technology solutions.  SRS Labs' business consists of licensing audio and
 voice technologies to manufacturers of consumer electronics,
 telecommunications equipment, game developers, and wireless and cellular phone
 manufacturers and also markets products for semi-pro and professional audio
 signal processing. The Company's Hong Kong-based subsidiary, ValenceTech is a
 fabless award-winning leader in the design, manufacturing and distribution of
 components, integrated circuits, and sub-assemblies.  The Company's
 subsidiary, SRSWOWCast.com, licenses audio and voice technologies for Internet
 streaming, Internet telephony and 3G.  For more information, visit
 http://www.srslabs.com.
 
     SRS, Circle Surround, CS-Interactive, and the SRS symbols are trademarks
 of SRS Labs, Inc.  All other brand names mentioned are trademarks or
 registered trademarks of their respective holders.
 
     For further information, please contact Joanna Skrdlant, Director of
 Marketing, ext. 5138, joannas@srslabs.com, or Chris Locke, MarCom Manager,
 ext. 5088, chrisl@srslabs.com, both of SRS Labs, Inc., 949-442-1070.
 
                     MAKE YOUR OPINION COUNT -  Click Here
                http://tbutton.prnewswire.com/prn/11690X22842945
 
 

SOURCE SRS Labs, Inc.
    SANTA ANA, Calif., April 27 /PRNewswire/ -- SRS Labs, Inc. (Nasdaq: SRSL),
 a leading provider of innovative audio and voice technology solutions, today
 announced that it has been issued a fifth U.S. patent for certain aspects of
 its proprietary, multi-channel enabling technology, Circle Surround(TM).  This
 most recent U.S. patent was granted on March 6, 2001.  SRS Labs also has
 patents pending for Circle Surround throughout Europe and Asia, all of which
 represent SRS Labs' long-standing commitment to protecting and enforcing its
 intellectual property rights.
 
     Key features of Circle Surround include:
 
     -- Encoding - Circle Surround encodes five discrete channels into two
        channels and decodes the two channels back into five for playback over
        a hi-fi or home theater system equipped for multi-channel playback.
     -- Bass Output - In addition to the five channels for surround sound
        playback, there is also a low frequency output for the operation of a
        subwoofer.
     -- Broad Source Compatibility - When used in receivers, Circle Surround
        can turn standard stereo television, radio broadcasts and audio CDs
        instantly into a multi-channel 5.1 surround sound as it is played -- in
        real-time without the need for any encoding of the programming.
 
     Circle Surround technology, which was originally acquired by SRS Labs in
 1998 from Rocktron Corporation, is a powerful and diverse method of delivering
 surround sound and making a wide array of formats surround sound capable,
 including the following applications:
 
     -- HOME THEATER:
         -- Any stereo program including movies and TV shows can be enjoyed at
            home in a multi-channel application.
         -- Any stereo programs that are broadcasted in stereo can be decoded
            into multi-channel playback by the consumer -- decoding needed on
            the consumer side.
 
     -- GAMING
         -- Circle Surround provides the ability to easily encode both the
            "movie" content and real-time portion of PC and console games in
            5.1 surround sound.
 
     -- INTERNET STREAMING
         -- To address the burgeoning music and film content availability on
            the Internet, Circle Surround has been adapted for use as a
            multi-channel Internet audio delivery technology.
         -- Circle Surround enables the encoding of 5.1 channels on just two
            channels of audio, which can then be transmitted over the Internet
            using any of the compression schemes, and received by the listener
            where a CS 5.1 decoder creates full multi-channel audio from the
            two-channel stream.
 
     The ability of Circle Surround to store or transmit multi-channel encoded
 technology in a two-channel, stereo format is a unique advantage to streaming
 media and gaming companies.  The capability of the Circle Surround decoder to
 convert standard stereo or Dolby Surround encoded material into 5.1
 multi-channel playback on a PC, game console, home theater or stereo audio
 system is a very powerful tool for consumers and consumer product
 manufacturers.
     Circle Surround has been featured in home theater components including two
 receiver models from Kenwood last year and their new 2001 multi-channel
 receivers; VR 507; VR 509; and the VR 510.  It is also featured in Kenwood's
 VR-409 receivers available in the United States.  The Company announced last
 week that, SRS Labs' CS-Interactive (CS-I) technology will be available for
 license by game developers for games developed on Sony's Playstation2 and
 Nintendo's Gamecube through an agreement with Metrowerks.  CS-I encoding will
 be available with Metrowerks' CodeWarrier game development tools.  A consumer
 decoder hardware product called SoundCircle(TM) with two surround speakers is
 also available from Sunsoft, a Sun Corporation who will be utilizing the CS-I
 technology in their games and marketing the SoundCircle decoder box to
 consumers to take full advantage of the added multi-channel sound effects.
     Circle Surround encoding and decoding technologies are available through a
 license agreement with SRS Labs.  The Circle Surround decoder is currently
 available in several ICs including AKM's AK93C95A, AK7716, and AK7706; Analog
 Devices (ADI's) SSM2005; and Cirrus Logic's CS49300.
 
     About SRS Labs, Inc.
     SRS Labs is the world's leading provider of audio and voice enhancement
 technology solutions.  SRS Labs' business consists of licensing audio and
 voice technologies to manufacturers of consumer electronics,
 telecommunications equipment, game developers, and wireless and cellular phone
 manufacturers and also markets products for semi-pro and professional audio
 signal processing. The Company's Hong Kong-based subsidiary, ValenceTech is a
 fabless award-winning leader in the design, manufacturing and distribution of
 components, integrated circuits, and sub-assemblies.  The Company's
 subsidiary, SRSWOWCast.com, licenses audio and voice technologies for Internet
 streaming, Internet telephony and 3G.  For more information, visit
 http://www.srslabs.com.
 
     SRS, Circle Surround, CS-Interactive, and the SRS symbols are trademarks
 of SRS Labs, Inc.  All other brand names mentioned are trademarks or
 registered trademarks of their respective holders.
 
     For further information, please contact Joanna Skrdlant, Director of
 Marketing, ext. 5138, joannas@srslabs.com, or Chris Locke, MarCom Manager,
 ext. 5088, chrisl@srslabs.com, both of SRS Labs, Inc., 949-442-1070.
 
                     MAKE YOUR OPINION COUNT -  Click Here
                http://tbutton.prnewswire.com/prn/11690X22842945
 
 SOURCE  SRS Labs, Inc.