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AV Receivers

TI's Aureus™ audio DSPs and analog solutions provide AV receiver manufacturers fast time-to-market for differentiated solutions along with headroom for easy customization for the most realistic listening experience.

Block Diagram


AC Adapter ADC Amplifier: Input Side Amplifier: Input Side Amplifier: Output Side Amplifier: Output Side Amplifier: Output Side Analog Supply LDO Audio DSP Audio Interface Clock DAC DSP/CPU Core Supply Digital Amplifier Power Stage Controller Digital Audio PWM Processor Interface LCD Supply DC/DC Boost Converter LED Supply DC/DC Boost Converter Main Supply DC/DC Buck Converter Supply Voltage Supervisor Video DSP Video Encoder / Decoder

Design Considerations

High-quality digital audio formats, such as DVD-audio and SACD, present AV receiver system designers with many engineering challenges. Digital connectivity, content protection, compatibility with new decoding standards and the need for fast data rates with superior analog performance throughout the entire audio signal chain require careful attention to semiconductor device selection, power supply design and PCB layout.

TI enables AV end equipment to take advantage of these formats and deliver not only the highest performance, but also the most cost-effective solutions to the consumer. The highest quality DVD Audio data rate of 192 kHz can be sent across a single 1394 cable connected to an AV receiver, offering high-quality digital audio in a system that's easy to set up.

The core subsystems include:

DSP

  • The Aureus™ audio DSP provides the processing power to handle the myriad of decoding formats.

Data Converter

Power Amplifier

Power Conversion

  • Converts the input power from the AC adaptor to run various functional blocks.

Application Notes

  • Interfacing SD/MMC Cards With TMS320F28xxx DSCs (spraao7.htm, 9 KB)
    26 Jul 2007 Abstract
  • Reducing And Eliminating The Class-D Output Filter (sloa023.htm, 9 KB)
    24 Aug 1999 Abstract
  • Design Considerations For Class-D Audio Power Amplifiers (sloa031.htm, 8 KB)
    23 Aug 1999 Abstract
    

Tools and Software

Name Part # Company Software/Tool Type
Code Composer Studio IDE CCSTUDIO Texas Instruments Code Composer Studio(TM) IDE

Product Bulletin & White Papers

Product Bulletin

  • Aureus Multi-Channel Audio Systems Product Bulletin (sprt377.pdf, 60 KB)
    14 Nov 2005 Download
  • Aureus TMS320DA708 Product Bulletin (sprt372.pdf, 96 KB)
    09 Sep 2005 Download
  • TAS3xxx and TAS55xx Digital Audio Processors Product Bulletin (sprt366.pdf, 95 KB)
    26 Aug 2005 Download
  • DA710 Product Bulletin (sprt367.pdf, 98 KB)
    26 Aug 2005 Download

White Papers

  • High-Speed Audio Ripping, Encoding and Playback White Paper (spry083.pdf, 80 KB)
    24 May 2006 Download
  • Digital Signal Processors for Communications, Video, Infrastructure and Audio (spry069.pdf, 142 KB)
    17 May 2006 Download
  • Audio Compression Algorithm Overview - White Paper (spry074.pdf, 81 KB)
    31 Oct 2005 Download
  • A Fast Algorithm for Computing Two Channel Odd Frequency... White Paper (spry071.pdf, 432 KB)
    26 Oct 2005 Download
  • Prototype Lab Box w/DSK C6711/13 for Rapid DSP Algorithm Development White Paper (spry072.pdf, 474 KB)
    26 Oct 2005 Download

News Releases & Authored Articles

News Releases

Date Headline
03 Dec 2007 TI Delivers First Single-Chip, Real-Time HD Video Transcoding Solution with DaVinci™ Technology
31 Oct 2007 TI Announces Industry's First Approved DTS-HD Master Audio DSP Implementation for Audio/Video Receivers
18 Jun 2007 TI DSPs Bring High-Fidelity Audio Into the Home with First Approved Dolby® TrueHD and Dolby Digital Plus Decoders for Audio/Video Receivers
27 Feb 2007 TI Simplifies Audio Design with a New Ultra Low-Jitter S/PDIF Receiver
20 Feb 2006 Texas Instruments Honored as Finalist in EDN's 16th Annual Innovation Awards

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