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Single DSP for Audio Stream Control and Manipulation in Multichannel Receiver

Current multichannel audio receivers use a separate digital signal processor and microcontroller to manipulate audio stream data and control the audio flow. The biggest challenge in these systems is coordinating the interaction between the DSP and MCU to create a high quality audio product. By the use of a single high performance DSP and complementary software, it is possible to create a new multichannel audio receiver that is of higher audio quality and provides for a more cost effective system price and quicker time to market. The development of an artifact-free system is quicker, easier and more robust as a result. This also helps reduce the system cost as a fairly major component (the microcontroller) is eliminated.

Author: Jahnke, Steve
Affiliation: Texas Instruments, High Performance Audio DSP Products, Tokyo, Japan
AES Convention:114 (March 2003) Paper Number:5804 Import into BibTeX
Subject:Multichannel Sound

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