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diff --git a/src/spectral/mfcc.h b/src/spectral/mfcc.h
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+/*
+  Copyright (C) 2007-2013 Paul Brossier <piem@aubio.org>
+                      and Amaury Hazan <ahazan@iua.upf.edu>
+
+  This file is part of aubio.
+
+  aubio is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  aubio is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+/** \file
+
+  Mel-Frequency Cepstrum Coefficients object
+
+  This object computes MFCC coefficients on an input cvec_t.
+
+  The implementation follows the specifications established by Malcolm Slaney
+  in its Auditory Toolbox, available online (see file mfcc.m).
+
+  http://engineering.ecn.purdue.edu/~malcolm/interval/1998-010/
+
+  \example spectral/test-mfcc.c
+
+*/
+
+#ifndef AUBIO_MFCC_H
+#define AUBIO_MFCC_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/** mfcc object */
+typedef struct _aubio_mfcc_t aubio_mfcc_t;
+
+/** create mfcc object
+
+  \param buf_size size of analysis buffer (and length the FFT transform)
+  \param samplerate audio sampling rate
+  \param n_coeffs number of desired coefficients
+  \param n_filters number of desired filters
+
+*/
+aubio_mfcc_t *new_aubio_mfcc (uint_t buf_size,
+    uint_t n_filters, uint_t n_coeffs, uint_t samplerate);
+
+/** delete mfcc object
+
+  \param mf mfcc object as returned by new_aubio_mfcc
+
+*/
+void del_aubio_mfcc (aubio_mfcc_t * mf);
+
+/** mfcc object processing
+
+  \param mf mfcc object as returned by new_aubio_mfcc
+  \param in input spectrum (buf_size long)
+  \param out output mel coefficients buffer (n_coeffs long)
+
+*/
+void aubio_mfcc_do (aubio_mfcc_t * mf, const cvec_t * in, fvec_t * out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* AUBIO_MFCC_H */