Proprietary single microphone noise/echo cancellation technology realizes high-quality voice during hands-free calling

TOKYO — (BUSINESS WIRE) — February 12, 2013 — Toshiba Corporation (TOKYO:6502) today announced that it will launch an audio codec IC that integrates the audio features required for mobile devices, such as smartphones and tablets, including microphone input, an earpiece speaker amplifier, stereo headphone amplifier and line-out output. Samples of the new product, TC94B24WBG, are available now and mass production is scheduled for March 2013.
Toshiba's proprietary single microphone noise/echo cancellation technology applied in the TC94B24WBG realizes high-quality voice on mobile devices during hands-free calling, for such situations as video telephony.

Key Features

1. Toshiba's proprietary single microphone noise/echo cancellation technology
2. Integrated earpiece speaker amplifier, headphone amplifier and line-out output
3. Integrated audio post-processing features (equalizer, dynamic range controller)
4. Programmable DSP core: CEVA-TeakLite-Ⅲ^TM[1]
[1] CEVA-TeakLite-Ⅲ^TM is a trademark of CEVA, Inc.

Applications

Audio processing for mobile devices such as smartphones and tablets.

Main specifications

*Part Number: TC94B24WBG

*4-channel digital microphone interface

*2-channel A/D converter for analog microphone input

*Class-G headphone amplifier, earpiece speaker amplifier, line amplifier

*Asynchronous sampling rate converter (for single stereo channel):

8 kHz to 48 kHz sampling rates

* Audio DSP: Volume control, sound mixing, MUX

- During phone calls:

Single microphone noise and echo cancellation

- During playback of audio:

Equalizer, dynamic range control

*I2S audio interface: 4 input/output ports

*I2C bus interface with support for fast mode (400 kHz)/SPI interface mode (1 MHz)

*Package: WCSP 79-ball 0.5mm pitch

*Follow this link for more on this product.
http://www.semicon.toshiba.co.jp/eng/product/assp/selection/audio/mobile_portable/tc94b24wbg.html

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

About Toshiba

Toshiba is a world-leading diversified manufacturer, solutions provider and marketer of advanced electronic and electrical products and systems. Toshiba Group brings innovation and imagination to a wide range of businesses: digital products, including LCD TVs, notebook PCs, retail solutions and MFPs; electronic devices, including semiconductors, storage products and materials; industrial and social infrastructure systems, including power generation systems, smart community solutions, medical systems and escalators & elevators; and home appliances.

Visit Toshiba's web site at www.toshiba.co.jp/index.htm

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Contact:

Toshiba Corporation
Semiconductor & Storage Products Company
Koji Takahata, +81-3-3457-3405
Email Contact