Chord detecting device and automatic accompaniment device

A chord detecting device comprising:

• note data storage means for storing note data of music for each of a plurality of specified sections in a bar;
• tonality data supply means for supplying tonality data;
• temporary chord imparting means for imparting a temporary chord to a first section of the plurality of specified sections of the bar at a beginning of the first section according to a previous chord of an immediately prior section, the tonality data and note data corresponding to the beginning of the first section stored in the note data storage means;
• and
• fixed chord imparting means for imparting a fixed chord to the first section of the bar at a beginning of a second section of the plurality of specified sections of the bar according to (1) note data within the first section stored in the note data storage means, (2) the tonality data and (3) a previous chord of an immediately prior section.

An automatic accompaniment device having a chord detecting device comprising:

• note data storage means for storing note data of music for each of a plurality of specified sections in a bar;
• tonality data supply means for supplying tonality data;
• temporary chord imparting means for imparting a temporary chord to a first section of the plurality of specified sections of the bar at a beginning of the first section according to a previous chord of an immediately prior section, the tonality data and note data corresponding to the beginning of the first section stored in the note data storage means;
• fixed chord imparting means for imparting a fixed chord, which becomes a previous chord for a second section of the plurality of specified sections of the bar, to the first section of the bar at a beginning of the second section of the bar according to (1) note data within the second section stored in the note data storage means, (2) the tonality data and (3) the temporary chord of the first section imparted by the temporary chord imparting means;
• and