Frequency-Temporal Filtering for a Robust Audio Fingerprinting Scheme in Real-Noise Environments

ETRI Journal

关键词: temporal filtering;    frequency filtering;    audio fingerprint;    Music information retrieval;   

Others  :  1185391
DOI  :  10.4218/etrij.06.0205.0135

【 摘 要 】

In a real environment, sound recordings are commonly distorted by channel and background noise, and the performance of audio identification is mainly degraded by them. Recently, Philips introduced a robust and efficient audio fingerprinting scheme applying a differential (high-pass filtering) to the frequency-time sequence of the perceptual filter-bank energies. In practice, however, the robustness of the audio fingerprinting scheme is still important in a real environment. In this letter, we introduce alternatives to the frequency-temporal filtering combination for an extension method of Philips’ audio fingerprinting scheme to achieve robustness to channel and background noise under the conditions of a real situation. Our experimental results show that the proposed filtering combination improves noise robustness in audio identification.

   

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