SMPTE
FilmSync
(24fps)
Displaystherulerinhours:minutes:seconds:frameswithaframerateof24framespersecond.
Thisframeratematchesthestandardcrystal-sync16/33mmfilmrateof24fps.
SMPTE
EBU(25
fps,
Video)
Displaystherulerinhours:minutes:seconds:frameswithaframerateof25framespersecond.
ThisisknownasSMPTEEBU(EuropeanBroadcastingUnion)becauseEuropeantelevision
systemsrunat25fps.
UseSMPTE25EBUformatforPALDV/D1projects.
SMPTE
Non-Drop
(29.97
fps,
Video)
Displaystherulerinhours:minutes:seconds:frameswithaframerateof29.97framesper
second,whichleadstoadiscrepancybetweenreal("wallclock")timeandtheSMPTEtime,
becausethereisnocompensationinthecountingsystemasthereisinDropFrame.
UseSMPTENon-DropformatforNTSCD1projectsthatwillberecordedonmastertapes
stripedwithNon-Droptimecode.
SMPTE
Drop
(29.97
fps,
Video)
Displaystherulerinhours:minutes:seconds;frameswithaframerateof29.97fpstomatchthe
framerateusedbyNTSCtelevisionsystems(NorthAmerica,Japan).
UseSMPTEDropFrameformatforNTSCDV/D1projects.
BothSMPTEDropandSMPTENon-Droprunat29.97fps.Inbothformats,theactualframes
arenotdiscarded,buttheyarenumbereddifferently.SMPTEDropremovescertainframe
numbersthecountingsystemtokeeptheSMPTEclockfromdriftingfromreal("wallclock")
time.Thetimeisadjustedforwardbytwoframesoneveryminuteboundaryexcept0,10,20,
30,40,and50.Forexample,whenSMPTEDroptimeincrementsfrom00:00:59.29,thenext
valuewillbe00:01:00.02.
SMPTE
30
(30fps,
Audio)
Displaystherulerinhours:minutes:seconds:frameswithaframerateof30framespersecond.

Thisrateisexactly30fpsandiscommonlyusedwhensynchronizingaudioapplicationssuch
asmultitrackrecordersorMIDIsequencers.Thisformatshouldnotbeusedwhenworkingwith
video.
AudioCD
Time
Displaystherulerinhours:minutes:seconds:frameswithaframerateof75framespersecond
forcreatingdisc-at-onceCDs.
Edit
Tempo...
Ifthetimelineformatissettobeats,SOUNDFORGEAudioStudiorequiresatempoinorderto
knowwhatthedurationofabeatis.Thisdialogletsyouspecifythetempoorobtainthetempo
fromthecurrentselection.

YoucanalsospecifyabeattypeandmanuallyenterthetempoinBPM.PPQspecifiesthe
numberoftickswithinaquarternoteandalsospecifiestheprecisionofthebeatdisplay.
GetBMPfromsel.rangeusesaselectionandthespecificationBeatsinselectedrangeto
findthetempo.Snap/Gridsetsgridresolutioninmusicalbeats.Offsettoprojectstartsets
anintervalwherethefirstbarinthefileshouldbegin.
EditingTempo
FromtheOptionsmenu,chooseStatusFormat,andthenchooseEditTempofromthesubmenutocalculate
themusicaltempo(inbeatsperminute)ofafile.ThistempoisusedwhenyouusetheMeasures&Beats
statusformat.
UseTimeStretchtochangethetempoofasound.
Specifythetempoforafilewithaknowntempo
1. FromtheOptionsmenu,chooseStatusFormat,andthenchooseEditTempofromthesubmenu.The
The SOUND FORGE Audio Studio Window 20