PITCHTRACKER EXAMPLE ECMC PVC example file pitchtracker1 # ECMC PVC example >> pitchtracker1 << # This files creates a pitch analsyis file of /sflib/voice/sop1.b3 # Defaults are used for all parameters except the following: # (1) The "reference pitch" for the analysis is set to 245 herz (the precise # equal tempered pitch for b3 is 246.9421 # reference_frequency=245 # changed from the default 440 # (2) The "lowest possible" and "highest possible" fundamentals are set to # fs3 (7.06 in octave pitch class) and cs4 (8.01 in oct. pitch class), allowing # a wide range for the note attack # boundary_data_type__freq_0__octavepitchclass_1=1 # low_freq_or_pitch_boundary=7.06 # Lowest possible pitch # high_freq_or_pitch_boundary=8.01 # Highest possible pitch # The output pitch track analysis created here is used in ECMC PVC example plainpv8 #****************************************************** #*********** PITCHTRACKER ***************************** #****************************************************** # ( THIS IS A WORK-IN-PROGRESS. IT WORKS RATHER WELL, # BUT LIKE ALL PITCH TRACKING, HAS ITS INEXPLICABLE MOMENTS # ******ECMC CHANGES & ADDITIONS: *************** #******** INPUT SOUNDFILE & OUTPUT ENVELOPE ANALYSIS FILE ************* # input soundfile, can be aiff or wave format on Linux, aiff only on SGI inputsf=/sflib/voice/sop1.b3 envelope_file=pvc.sop1.b3.ptrack # output pitch track analysis file #****************************************************** #************ OUTPUT SETTINGS ************************ #......... OUTPUT FORMAT ............................ output_format=2 # # default 2 usually recommended # 0: freq # 1: octdec # 2: semitones # 3: invertsemitones #.........REFERENCE FREQUENCY ............................ reference_frequency=245 # changed from the default 440 to 245 (b3 246.942 hz) #( for use with output format 3: inverted semitones) #........OUTPUT SAMPLE RATE ............................ ouput_sample_rate=1000 #( for non soundfile data types) #........OUTPUT DATA TYPE ............................ output_data_type=1 # default 1 usually recommended # 0: ascii # 1: 32-bit floats ) # 2: integer soundfile with: # freq track in left, and # freq/amp modulated sine in right. #........ BEGIN/END TIMES ............................. begintime=0 endtime=0 analysis_frames_per_second=200 #====================================================== #*** ANALYSIS PARAMETERS ****************************** FFT_length=1024 windowsize=0 #*************** CHANNELS **************************** analysis_channel_1_to_max=1 method_on_multiple_channels__average_0__peak_1=0 #****************************************************** #====================================================== #*********** DETECTION PARAMETERS ********************* #====================================================== #......... DETECTION METHOD ........................... detection_method_0_or_1=0 # 0 = the strongest harmonic collection # formants (optimal comb) # (This method finds up to 12 of the strongest formants # and determines which is the logical fundamental # based on the reinforcement of its harmonic spectrum # by the other formants.) # 1 = the strongest formant # ( This method selects the strongest formant between # the low-high boundaries.) # 2 = band-limited centroid # (This method takes the amplitude (squared) weighted # average of the spectrum between the low-high boundaries.) #****************************************************** #......... DETECTION BOUNDARIES ....................... # if 0, XXX & YYY below are frequencies; if 1, XXX & YYY are in oct. pch class boundary_data_type__freq_0__octavepitchclass_1=1 # VERY IMPORTANT : YOU ***MUST*** EDIT THE 2 LINES BELOW and # SUPPLY LOWEST AND HIGHEST POSSIBLE INPUT PITCH, either # in frequency or octave pitch class as determined by # the boundary_data_typ argument (0 or 1) above low_freq_or_pitch_boundary=7.06 # Lowest possible pitch high_freq_or_pitch_boundary=8.01 # Highest possible pitch #......... DETECTION TIME WINDOW ....................... detection_window_size_minimum=.05 detection_window_size_maximum=.2 # (Keep range between .05 and .2, "I guess".....) #......... DETECTION THRESHOLD ....................... detection_threshold_in_decibels=-20 #( -10 to -20, perhaps? ) ; #****************************************************** #......... DETECTED ENVELOPE SMOOTHING ................. frequency_response_time=0 # (This is a lowpass filter which smooths the changes to the # tracked pitch trajectory. 0 = off, larger values smooth. ) #***** AMPLITUDE ENVELOPE ******************* # RESPONSE TIME ### release_time_in_seconds=0 attack_time_in_seconds=0 #........ COMPRESSOR ............................... compression_threshold_in_decibels=-0 decibels_of_compression=-0 #........GATE ..................................... gate_threshold_in_decibels=-80 #........WARP ....................................... amplitude_envelope_warp=0 #==================================================== # COMMAND LINE SETUP -- OFFICE USE ONLY # (DO NOT WRITE BELOW THIS LINE) #==================================================== #PVCDIR=/usr/local/soundapps/PVC #PVCBIN=$PVCDIR/bin cd $SFDIR # ECMC if [ "$OSTYPE" = "irix" ] then analysis_sndfile=pvcin input_file=pvcin # ECMC temporary NeXT format input soundfile # Create temporary NeXT format input soundfile "pvcin:" ECMC /sbin/rm -f pvcin /usr/local/bin/sox -t aiff $inputsf -t au pvcin # ECMC elif [ `echo "$OSTYPE" | grep linux` ] then analysis_sndfile=$inputsf fi # ****** end of ECMC changes & additions ****** # # ANALYSIS # analysisroutine=pitchtracker PVFLAGS="\ \ -N$FFT_length \ -M$windowsize \ -D$analysis_frames_per_second \ \ -b$begintime \ -e$endtime \ \ -C$analysis_channel_1_to_max \ \ -Q$boundary_data_type__freq_0__octavepitchclass_1 \ -f$low_freq_or_pitch_boundary \ -F$high_freq_or_pitch_boundary \ -L$release_time_in_seconds \ -l$attack_time_in_seconds \ -W$amplitude_envelope_warp \ -G$decibels_of_compression \ -T$compression_threshold_in_decibels \ -S$gate_threshold_in_decibels \ -r$ouput_sample_rate \ -g$output_data_type \ \ -m$detection_method_0_or_1 \ \ -j$detection_window_size_minimum \ -J$detection_window_size_maximum \ -d$detection_threshold_in_decibels \ \ -O$output_format \ -o$reference_frequency \ \ \ -a$frequency_response_time \ \ -X$method_on_multiple_channels__average_0__peak_1 \ -p1 \ \ " echo "\n\n$analysisroutine $PVFLAGS $analysis_sndfile $envelope_file " $analysisroutine $PVFLAGS $analysis_sndfile $envelope_file ; # ECMC CHANGES & ADDITIONS: ******* # if [ "$OSTYPE" = "irix" ] then /sbin/rm -f pvcin fi # ****** end of ECMC changes & additions ****** # echo "Header information for PVC pitch track analysis file $envelope_file :" ls -l $envelope_file # If you have created any gen function files above delete them below: