Equipped with SRS TruSurround HD/HD4 DSP (New Japan Wireless)

Nippon Wireless has developed the DSPNJU26040-09D for TV and front multi-channel speaker systems to reproduce real-world stereo space. A new evolution of SRS TruSurround XT developed by SRS Labs, Inc. of the United States: virtual surround sound SRS TruSurround HD/HD4 and FOCUS functions.

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[development background]
In recent years, digital broadcasting of DVDs and Blu-ray Discs have been rapidly spreading, and general household 5.1ch surround sound TVs and AV systems have also become popular. However, when the 5.1ch surround sound is generally enjoyed at home, there are problems such as complicated playback equipment and complicated speaker wiring. Therefore, Nippon Wireless has developed the NJU26040-09D which can easily reproduce the true natural high-quality stereo surround sound space with the front speakers.

[Main product features]
- Equipped with SRS TruSurround HD/HD4 for high quality stereo space -
The SRS TruSurround HD is equipped with the NJU26040-09D. Compared to the previous SRS TruSurround XT, the SRS TruSurround HD features a definition function that emphasizes high notes. The built-in SRS TruBass enhances the bass, and the Definition function calibrates the treble to achieve virtual surround sound over a wide frequency band. In addition, the TruSurround HD4 and the SRS TruSurround XT, which uses two speakers for surround effects, put the front stereo speakers and the rear stereo speakers together in front, and are composed of 4 speakers of 4Ch amplifiers. Compared to the SRS TruSurround XT, the surround sound effect has been greatly improved, and it can reproduce a higher stereo space.

- With the SRS FOCUS function, the image and audio image are highly consistent, thus reproducing the true natural sound space -
The SRS FOCUS function is a technology that moves the sound in the vertical direction. The position of the speaker, even under the TV, enhances the sound to the same position as the image to reproduce a more natural stereo sound space.

- With the Advanced Bypass Mode function, you can make sound effects changes based on customer preferences -
TruSurround HD/HD4 not only has on/off mode, but also has Advanced Bypass Mode, which allows TruSurround HD/HD4 to bring TruBassII/Definition/Dialog Clarity to work alone, set the sound quality according to your own.

【other】
・3 input interfaces/3 output interfaces, 1Ch to 5.1Ch input/2Ch to 5.1Ch output possible. (digital input and output)
・The NJU26040 is available in an OTP Memory type that can be programmed to accept small orders.

Product development at a glance

Product performance and features summary ● Operating voltage Power supply voltage +3.3V
Input dedicated terminal can withstand up to +5.0V
●External clock frequency up to 38MHz
●Digital audio I/F 3 input terminals, 3 output terminals ●Digital audio format I2S 24bit, corresponding left-justified, right-aligned, BCK:32/64fs
●Main interface I2C bus interface (Fast-mode/400kbps)
Serial interface (4-wire: segmentation time, system selection signal, input data)
●Package SSOP32 (11.0×7.6×1.15mm lead-free standard)

Production plan, sample price, and sample release From May 2009, the production plan is expected to be 30,000 per month from June 2009. Sample price @Â¥1,000

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