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Sample-Rate Conversion for Non-Clocked Audio Sources

Journal Article
ISSN: 1946-4614, e-ISSN: 1946-4622
Published April 01, 2014 by SAE International in United States
Sample-Rate Conversion for Non-Clocked Audio Sources
Citation: Whikehart, B., "Sample-Rate Conversion for Non-Clocked Audio Sources," SAE Int. J. Passeng. Cars – Electron. Electr. Syst. 7(2):418-421, 2014,
Language: English


In a connected vehicle, digital audio content may arrive at the audio system from sources that provide packets of audio samples with no associated sample clock. A common example is streamed internet audio. To process and play these sources, the audio system must first convert the audio stream so that it is compatible with the system's sample clock. Traditional sample-rate conversion methods are typically not capable of doing this. This paper presents and compares approaches for performing the conversion.