Hi August, thanks for the clarifications and the formula..
only for comments; I like to force readanysf~ with high valors to the speed i mean 20 o 25 ( up of these valors crash the dsP:) It generate interesting textures (with longer files) Did it some kind of time-stretching when its running with this high speeds ?? or something similar.. best, oscar t 2010/10/11, august <aug...@alien.mur.at>: > > Hi Oscar, > > According to the way readansyf~ interprets the file on disk (not a > stream from the web) the length is fixed . > > If you have PD running at 44100 Hz and load a file that is 42 > seconds long but has a samplerate of 22050 Hz, the output of > readanysf will still say that the file is 42 seconds long. It will > also automatically adjust the speed (resampling) to 0.5 so that it > sounds "correct" when playing at PD's rate of 44100Hz. > > Also, the float output marked as "length in seconds that have been > played so far" in the help file and which incrementally updates as > you play the file....really is "position in seconds" inside the file > relative to the sound file's internal samplerate. This might be a > bit confusiong. > > So, you have 4 variables to deal with. > > 1) samplerate of audio file > 2) samplerate of pd > 3) speed of readanysf that can adjust the audiofile samplerate > 4) length of file in seconds > > If I am not mistaken, to get the total perceived duration of > playtime, the formula should then be: > > 1/speed * length of file in seconds * > youraudiofile_samplerate/pdsamplerate > > > -august. > > >> Hi list, >> >> I am using the audio player readanysf~ from August Black >> and i have some question: >> >> for the last outlet we have (samplerate, lenght in seconds, and others..) >> >> the length in seconds of the player is related to speed=1 >> >> >> if i change the speed for example speed=0.20 obsviously the >> length of the file played is going to be more big.. >> >> how much ? how can i calculate the new lenght in seconds for a >> 44100 audio file? >> this speed means 20% of 44100 samples per second? >> >> any help is welcome!! >> >> best, >> >> oscar >> >> -- >> >>>http://noconventions.mobi/noish >> >> _______________________________________________ >> Pd-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list > > -- > ------------------- > http://aug.ment.org > > -- >>>http://noconventions.mobi/noish _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
