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OKI Starts Shipping Samples of High-Quality Speech LSIs.



- Improvement of Hearing Experience by Adjusting Playback Playback could mean:
  • The re-playing of recorded media.
  • Gapless playback, the seamless playback of digital audio formats (i. e. ipods, mp3 players)
  • Playback singer, a practice in Bollywood musicals.
 Speed and Tone -

TOKYO -- Oki OKI Okinawa
OKI Open Knowledge Initiative (Massachusetts Institute of Technology)
OKI Ohio-Kentucky-Indiana (also KOI) 
 Electric Industry Co., Ltd. (TOKYO:6703) today announced it has developed the "ML2272X Series" speech-synthesis LSIs that enable users to adjust playback speed and speech tone. While the speech tone, or pitch, in previous speech-synthesis devices increased or decreased as the playback speed changed, with these new devices, users can adjust both the speed and tone. Because the chip is equipped with a 16-bit audio-class D/A converter (Digital/Analog converter) A device that converts digital code into analog signals. The most common applications are for generating sound and video. The D/A converter may be contained on a single chip or can be one circuit within a chip. Contrast with A/D converter. , it also offers high voice quality compared to previous OKI speech-synthesis LSIs. Samples of the product will be shipped today and volume shipment is scheduled to start in June 2008.

"With OKI's ML2272X Series, users can now offer more user-friendly products -- such as language learning devices, electronic dictionaries Noun 1. electronic dictionary - a machine-readable version of a standard dictionary; organized alphabetically
machine readable dictionary, MRD

lexical database - a database of information about words
, educational toys What is an educational toy?
''' Toys, and educational toys, are typically built for and used by children. One could make the argument that an educational toy is actually any toy. Most children are constantly interacting with and learning about the world.
 and products for the elderly -- by integrating voice guidance features into these products," said Masahiko Morioka, President of Silicon Solutions Company at OKI. "As a leader in the field of speech-synthesis LSIs, OKI will continue to leverage its total support expertise and proprietary speech technology such as OKI-ADPCM(1), and technical knowledge it has gained for over 20 years with a focus on voice quality, to provide speech solutions that offer added value Added value in financial analysis of shares is to be distinguished from value added. Used as a measure of shareholder value, calculated using the formula:

Added Value = Sales - Purchases - Labour Costs - Capital Costs
."

Speech functions are used in a variety of user-friendly products, such as for voice guidance in high-end white goods, home appliances and alarm systems. Instead of a buzzer, voice guidance is used to notify users when a certain task has been finished or to alert and warn them in a dangerous situation. This allows children and the elderly to be aware of the situation.

Conventional speech for voice guidance is recorded at a certain predefined tone, which makes it difficult to adapt the playback voice to the situation or environment. In addition, people hear voice guidance differently depending on their age or the environment and situation they are in at that time (quiet, loud, open space, etc).

The newly developed ML2272X Series can adjust the tone or speed of the voice in such voice guidance applications depending on the situation. For example, for emergency situations where urgency is needed, the tone and speech of the voice should be different from situations where calm action is required. As an additional example, the elderly tend to hear low pitch sounds better, thus in home appliances a high-pitched voice of 4kHz or more can be changed to a slow and low pitch voice for better hearing.

The ML2272X Series

Compared to OKI's previous voice LSI LSI: see integrated circuit.


(Large Scale Integration) Between 3,000 and 100,000 transistors on a chip. See SSI, MSI, VLSI and ULSI.
 products, the voice quality of ML2272X Series is notably improved. Also, by including a speaker amplifier, OKI has made it easy for customers to incorporate voice playback functionality in their products. Moreover, the built-in memory has been increased to a maximum of 16Mbit, making it possible to record and play back an increased number of messages.

[Glossary A term used by Microsoft Word and adopted by other word processors for the list of shorthand, keyboard macros created by a particular user. See glossaries in this publication and The Computer Glossary. ]

(1) ADPCM (Adaptive Differential PCM) A widely used variation of PCM that codes the difference between sample points like differential PCM (DPCM), but can also dynamically switch the coding scale to compensate for variations in amplitude and frequency. : Adaptive Differential Pulse Code Modulation pulse code modulation: see modulation.


See PCM.

(data) Pulse Code Modulation - (PCM) A method by which an audio signal is represented as digital data.
 

About Oki Electric Industry Co., Ltd.

Founded in 1881, Oki Electric Industry Co., Ltd. is Japan's first telecommunications Communicating information, including data, text, pictures, voice and video over long distance. See communications.  manufacturer, with its headquarters in Tokyo, Japan. OKI provides top-quality products, technologies and solutions to its customers through its info-telecom system business, semiconductor business and printer business. All three businesses function as a collective force to create exciting new products and technologies that satisfy a spectrum of customer needs in various markets. Visit OKI's global web site at http://www.oki.com/.

Notes:

* P2ROM is a trademark of Oki Electric Industry Co., Ltd. in Japan.

* Names of companies and products are trademarks or registered trademarks of the respective companies and organizations.
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Publication:Business Wire
Date:Mar 25, 2008
Words:588
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