Speech-music discrimination from MPEG-1 bitstream
Jarina, Roman and Murphy, Noel and O'Connor, Noel E. and Marlow, Seán (2001) Speech-music discrimination from MPEG-1 bitstream. In: SSIP 2001 - WSES International Conference on Speech, Signal and Image Processing, 1-6 September 2001, Malta.
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This paper describes a proposed algorithm for speech/music discrimination, which works on data directly taken from MPEG encoded bitstream thus avoiding the computationally difficult decoding-encoding process. The method is based on thresholding of features derived from the modulation envelope of the frequency-limited audio signal. The discriminator is tested on more than 2 hours of audio data, which contain clean and noisy speech from several speakers and a variety of music content. The discriminator is able to work in real time and despite its simplicity, results are very promising.
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