]i ZSrSSKrSSKrSSKrSSKrSSKrSSKJ r "SS5r SSjr g) z@Utility for on the fly pitch/tempo change for data augmentation.N) save_audioc<\rSrSrSrSSSSS/S4S jrS rS rS rg )RepitchedWrapperz9 Wrap a dataset to apply online change of pitch / tempo. g? TcXXlX lX0lX@lXPlXplX`lgN)datasetproba max_pitch max_tempo tempo_stdsamevocals)selfrrrrrrrs K/mnt/rpi/tmp/demucs-venv-sys/lib/python3.13/site-packages/demucs/repitch.py__init__RepitchedWrapper.__init__s%  """  c,[UR5$r )lenr)rs r__len__RepitchedWrapper.__len__ s4<<  rcURUnURSn[SSUR-- U-5n[R"5UR :a/n[ U5HupgUS:XdUR(dx[R"UR*UR5n[R"SUR5n [[UR*U 5UR5n [UWW X`R;S9nUR!USS2SU245 M ["R$"U5nU$USSU24nU$)Nrg{Gz?r)voice.)rshapeintrrandomr enumeraterrandintrgaussrminmaxrepitchrappendtorchstack) rindexstreams in_length out_lengthoutsidxstream delta_pitch delta_tempos r __getitem__RepitchedWrapper.__getitem__#s$,,u%MM"% !dT^^33y@A ==?TZZ 'D(1 !8499"(..$..$.."QK"(,,q$.."AK"%c4>>/;&G"XK , .  F1kzk>23 2kk$'Gc;J;./Gr)rrrrrrrN) __name__ __module__ __qualname____firstlineno____doc__rrr6__static_attributes__rrrrs('*Q"aSt!rrc[R"SS9n[R"SS9n[XRUSS9 SURURSU3SUS3/nU(aUS /- nU(aUS /- n[R "US S S 9 [R"UR5up X:XdeU$![R a,n [S U RRS535eSn A ff=f)z tempo is a relative delta in percentage, so tempo=10 means tempo at 110%! pitch is in semi tones. Requires `soundstretch` to be installed, see https://www.surina.net/soundtouch/soundstretch.html z.wav)suffixclamp)clip soundstretchz-pitch=z-tempo=z.6fz-quickz-speechT)capture_outputcheckzCould not change bpm because zutf-8N) tempfileNamedTemporaryFilernamesprunCalledProcessError RuntimeErrorstderrdecodetaload) wavpitchtempor quick samplerateinfileoutfilecommanderrorsrs rr)r);s ( ( 7F))8GsKK':  % % G H: I;[ wt48gggll#GC   J  [:5<<;N;Nw;W:XYZZ[s;B<<C<'C77C<)FFiD) r<r# subprocessrIrFr+ torchaudiorOaudiorrr)r>rrr^s- G  &&Rr