The addition of a growing number of multimedia capabilities on mobile devices necessitates rendering multiple streams simultaneously, fueling the need for intelligent mixing of these streams to achieve proper balance and address the tradeoff between dynamic range and saturation. Additionally, the crossfading of subsequent streams can greatly enhance the user experience on portable media devices. This paper describes the architecture, features, and design challenges for a real-time, intelligent mixer with crossfade capabilities for portable audio platforms. This algorithm shows promise in addressing many audio system challenges on portable devices through a highly flexible and configurable design while maintaining low processing requirements.
Authors:
Jochelson, Danny; Fedigan, Stephen; Kridner, Jason; Hayes, Jeff
Affiliations:
Texas Instruments, Inc.; General Dynamics SATCOM(See document for exact affiliation information.)
AES Convention:
123 (October 2007)
Paper Number:
7181
Publication Date:
October 1, 2007
Subject:
Signal Processing
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