1 research outputs found
Correction system for polyphonic piano recordings
M.I. Martin-Erdozain, I. Barbancho, A. Rosa-Pujazon, A.M. Barbancho, "Correction system for polyphonic piano recordings", XXVIII Simposium Nacional de la Unión CientÃfica Internacional de Radio, Santiago de Compostela, España, 2013n this paper, a support tool for piano rehearsal
is presented. The system analyses a given piano polyphonic
recording to find the times, pitch and duration of the notes
and figures played, taking into account the possibility of playing
more than one note simultaneously as well as covering the whole
piano frequency range. In order to do so, the system uses
an onset detection algorithm to segment the input signal into
partitions which are then analysed in the time and frequency
domains. Then, the system correlates the data extracted from
the partitions with the score of the original piece, identifying
the positions and type of the mistakes performed by the user,
and providing her/him with the corresponding feedback. The
experiments conducted showed that the application is capable
of analysing a given recording and indicate the musician the
mistakes made.This work has been funded by the Ministerio de Economia y
Competitividad of the Spanish Government under Project No.
TIN2010-21089-C03-02 and by the Ministerio de Industria,
Turismo y Comercio under Project No. TSI-090100-2011-25