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Toshiba's New LSIs bring 3D Sound to Wide Range of Electronic Equipment

20 April, 1999


Tokyo--Toshiba Corporation today announced the introduction of 3D sound LSIs, employing the Sound Retrieval System(R) (SRS(R)) developed by US-based SRS Labs, Inc. Two LSIs incorporating SRS(R), TA2136F and TA2136N, will bring enhanced audio capabilities to audio-visual products, personal computers and video game systems.

SRS(R) retrieves spatial information, directional cues and other sonic nuances that are either missing from or degraded by electronic reproduction of stereo or in the microphone mixing process, and restores the original three dimensional sound field. Sound reproduced by SRS(R) is much closer to that of a live performance; and as it does not impose the limitation of a critical listening position, listeners who want the best sound experience are not restricted to a defined spot between the speakers.

The new LSI integrates 3D stereo and monaural sound capabilities. Through a design based on partial sharing of a signal-processing filter by the LSI's stereo and monaural modes, Toshiba has dramatically reduced the count of external parts, such as resistors and condensers, cutting it to only 40% that of its competitors products. This innovative approach supports development of miniaturized sound cards supporting both stereo and monaural 3D surround sound, bringing improved sound capabilities to a wide range of products, including personal computers and game applications.

Engineering samples will be available from May, 1999 at a sample price of 600 yen, in two kinds of packages: TA2136F, a Shrink Small Outline Package (SSOP) with 24 pins; and TA2136N, a Shrink Dual Inline Package (SDIP) with 24 pins. Mass production will start from July 1999, at 20,000 to 30,000pcs units a month.

Specifications of LSI

  • Operating voltage: 4.5V to 12V
  • Package: SSOP-24 and SDIP-24
  • Built-in smoothing filter: reduction of pop noise generated when mode is switched.
  • Built-in mode selector: monaural mode/ stereo mode/ bypass mode
  • Built-in space control and center control function

The SRS; Sound Retrieval System and are registered trademarks of SRS Labs, Inc.


Information in the press releases, including product prices and specifications, content of services and contact information, is current on the date of the press announcement,but is subject to change without prior notice.

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