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Analog Devices, Inc., the world's leading provider of high-performance signal processing solutions, today released three models specifically designed to meet advanced television and audio systems in Norwood, Mass. The new high-performance requirements for definition television (HDTV) and the increasingly popular "portable" speaker system for multimedia players have expanded the range of products in its SigmaDSP® digital audio processor family. Design engineers who demand high performance but time and cost sensitive consumer applications are expecting full system integration, high reliability and high fidelity sound quality, while the SigmaDSP digital audio processor has all of these features. Newly released products include:Supported by the fastest DSP engine in the SigmaDSP family, the ADAV400's 125 MHz speed is ideal for next-generation TV applications—a combination of high-definition television (HDTV) and flat-panel TV (plasma and LCD) display technologies— - The need for audio processing. The device integrates a powerful 56-bit audio processing core with an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC) to provide a dynamic range of more than 95 dB. The combination of these features enables HDTV to provide a greatly improved audio experience to match its superior image quality. The chip also includes a delay memory function designed to compensate for video processing delays in today's advanced TVs, ensuring full synchronization of video and audio signals. The ADAV400 also supports 16 channels of digital I/O (I2S) to ensure maximum user flexibility.
The ADAU1701 and ADAU1702 offer design engineers the choice of a 50 MHz DSP engine and an efficient 25 MHz DSP engine that are ideal for digital audio applications such as hub stations in iPods and MP3 players, car radios, and analog signals in the past. Process the implemented active speakers. Both devices integrate ADC and DAC, multi-channel digital I/O (I2S) ports and delay memory, and feature self-starting, external control and physical buttons, and a volume control interface to provide a ready-to-use complete solution for system design. The solution eliminates the need for a separate processor or MCU. These devices are suitable for use with Analog Devices' AD199x family of Class D amplifiers, which provide best-in-class audio amplification and immunity to electromagnetic interference (EMI).
Used in conjunction with the SigmaStudioTM graphical user interface (GUI) design tool, this new SigmaDSP provides a fully automated hardware and software system design environment.
The SigmaStudio design tool eliminates the need for any DSP programming knowledge. It uses a user-friendly drag-and-drop interface that allows design engineers to choose from a library of audio function blocks (including volume control, overlap filters and equalizer filters, and professional level). Dynamic processor) Easily build multi-channel digital audio platforms. SigmaStudio design tools also make it easy to implement licensed industry-standard algorithm software such as SRS TruSurroundXTTM, Waves MaxxBassTM, Dolby Prologic-II® or BBE-VivaTM. The ease of use of the SigmaStudio design tools provides an ideal condition for analog audio design engineers and experienced digital design engineers, allowing them to reduce development time, reduce costs, speed time-to-market, and still deliver superior sound quality for high volume applications. , despite the market window constraints and competitive prices that are in short supply.
Samples of the product are now available for the ADAV400. The device is available in a lead-free, 80-pin LQFP (small quad flat package) and is priced at $5.63 per unit in 10,000-piece quantities. Evaluation boards are also available, including SigmaStudio design tools, for $699.
The ADAU1701 has a 50 MHz DSP and the ADAU1702 has a 25 MHz DSP, which is now available in a lead-free 48-pin LQFP package. The 10,000-piece order quantity, the ADAU1701 is $3.72/piece, and the ADAU1702 is $2.93/piece. A limited number of evaluation boards for these two devices are now available, including the SigmaStudio design tool, priced at $699.
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