(dupla)

clavis duplex (dupla) 1. Tonbuchstabe in zweifacher Gestalt; Tonstufe mit zwei Tonhöhen 2. Bezeichnung für den Oktavton — 1. letter that indicates a note which can have two different shapes; note to which two different pitches are assigned 2. term for the note at the interval of an octave 1 Tonbuchstabe in zweifacher Gestalt; Tonstufe mit zwei Tonhöhen — letter that indicates a note which can have two different shapes; note to which two different pitches are assigned [syn.: clavis composita, opp.: clavis simplex] [s.XIII] LmLAmerus 2, 15: propter duplicem clavem et duplicem vocem in utroque ⋅b⋅fa⋅♮⋅mi. LmLPs.-Mur. summa 834: namque duplex ibi ⋅b⋅ duplici pro clave tenetur. [s.XIV] LmLIoh. Boen ars 2, 19, 11: Quelibet clavis una littera contenta est, per quam ipsa cognoscatur; excepta decima, que ⋅b⋅fa⋅♮⋅mi dicitur et illa duplici littera signatur ... quia virtutem in se continet duplicis clavis, secundum quod mollius et durius sonus in illa clave fieri possit. [s.XV] LmLIoh. Olom. 6 p. 22: sub ⋅b⋅ fa <⋅♮⋅> mi geminas voces volo demi (ms.; ed.: de mi); / quas non mutabis, quia (ms.; ed.: quae) duplex est ibi clavis (sim. LmLTrad. Holl. II 89 p. 13 (p. 420b). LmLTrad. Holl. III 4 p. 29. LmLBonav. Brix. 13, 7. LmLLad. Zalk. A 32. LmLSzydlov. 5 p. 20). LmLAnon. Carthus. pract. 7, 23: quare in ⋅B⋅my in gravibus non ponitur duplex clavis, scilicet ⋅b⋅ rotunda et ⋅♯⋅ quadrata. LmLTrad. Holl. III 4 p. 29: ibi (glossa: in ⋅b⋅fa⋅h⋅mi) est duplex clavis (ms.; ed.: claves) nec ibi est consonantia nec unisonus. LmLIoh. Tinct. diff. 2: ⋅B⋅ est clavis locorum ⋅b⋅mi et utriusque ⋅b⋅fa⋅C⋅mi. Et est duplex, videlicet quadrum et rotundum (sim. LmLIoh. Tinct. exp. 3, 45). 2 Bezeichnung für den Oktavton — term for the note at the interval of an octave [s.XIV] LmLIoh. Boen ars 2, 23, 5: donec ad ⋅g⋅ secundum, puta ⋅g⋅solreut, pervenero; ibidem usurus ⋅gg⋅ duplici eo, quod ⋅g⋅solreut ad ⋅g⋅ut dicitur clavis duplex (sim. LmLIoh. Boen mus. 1, 22: clavis dupla).