ftlptim — Returns the loop segment start-time of a stored function table number.
Returns the loop segment start-time (in seconds) of stored function table number x. This reports the duration of the direct recorded attack and decay parts of a sound sample, prior to its looped segment. Returns zero (and a warning message) if the sample does not contain loop points.
Here is an example of the ftlptim opcode. It uses the files ftlptim.csd, and Church.wav.
Example 394. Example of the ftlptim opcode.
See the sections Real-time Audio and Command Line Flags for more information on using command line flags.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -odac ;;;realtime audio out ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o ftlptim.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> sr = 44100 ksmps = 32 nchnls = 2 0dbfs =1 instr 1 itim = ftlptim(1) print itim aout loscil3 .8, 40, 1 outs aout, aout endin </CsInstruments> <CsScore> f 1 0 0 1 "Church.wav" 0 0 0 ;Csound computes tablesize i 1 0 5 e </CsScore> </CsoundSynthesizer>
The audio file “Church.wav” is a looped sample, its output should include lines like these:
Base Note : 60 Detune : 0 Low Note : 0 High Note : 127 Low Vel. : 0 High Vel. : 127 Gain : 1 Count : 1 mode : 801 start : 4529 end : 4912 count :0 mode : 0 start : 0 end : 0 count :0