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Csound Reference Manual (English)
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opcodes no examples #737

Open tjingboem opened 1 month ago

tjingboem commented 1 month ago
AsterixMusic commented 1 month ago

Simple example for "schedulek"


<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 schedulek.wav -W ;;; for file output any platform

; By Stefano Cucchi 2024

</CsOptions>
<CsInstruments>

sr = 48000  
ksmps   = 10    
nchnls = 2      
0dbfs   = 1     

instr 1

kfreqnote randomh 0.1, 6.3, 2

kTrigger  metro   kfreqnote 
if kTrigger == 1 then ;

schedulek 10, 0, 0.1 ;call the instrument
endif

endin

instr 10

a1 oscili 0.2, 440, 2

outs a1, a1

endin

</CsInstruments>
<CsScore>

f 2 0 4096 10 1 0.9 0.8 0.7 0.6

i 1 0 10

</CsScore>
</CsoundSynthesizer>
AsterixMusic commented 1 month ago

Simple example for "tableicopy"

Copying the source table to destination tables with different dimensions and reading with no interpolating opcode.


<CsoundSynthesizer>
<CsOptions>

; Select audio/midi flags here according to platform
-odac     ;;;realtime audio out
;-iadc    ;;;uncomment -iadc if RT audio input is needed too
; For Non-realtime ouput leave only the line below:
; -o tableicopy.wav -W ;;; for file output any platform

; By Stefano Cucchi 2024

</CsOptions>
<CsInstruments>

sr     =   44100
ksmps  =   10
nchnls =   2
0dbfs = 1

instr 1 

tableicopy 2, 1 

a1 oscil 0.2, 440, 2 
outs a1, a1

endin

instr 2 

tableicopy 3, 1

a1 oscil 0.2, 440, 3
outs a1, a1

endin

</CsInstruments>

<CsScore>

f1 0 4096 10 1 0 1 0 1 1 0 1 0 1

f2 0 8 10 1

f3 0 4096 10 1

i 1 0 4

i 2 4 4 

e

</CsScore>

</CsoundSynthesizer>
joachimheintz commented 1 month ago

which inspired me to this one:

; Select audio/midi flags here according to platform -odac ;;;realtime audio out -m128 ;;;reduce console output ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o schedulek.wav -W ;;; for file output any platform ; by joachim heintz 2024 sr = 48000 ksmps = 64 nchnls = 2 0dbfs = 1 seed 0 opcode RndHarm,i[],iop //generates an array with iLen random numbers iLen,iMin,iMax xin //defaults to iMin=0 and iMax=1 iOut[] init iLen indx = 0 while (indx

On 09/06/2024 19:44, Stefano Cucchi wrote:

Simple example for "schedulek"

; 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 schedulek.wav -W ;;; for file output any platform ; By Stefano Cucchi 2024 sr = 48000 ksmps = 10 nchnls = 2 0dbfs = 1 instr 1 kfreqnote randomh 0.1, 6.3, 2 kTrigger metro kfreqnote if kTrigger == 1 then ; schedulek 10, 0, 0.1 ;call the instrument endif endin instr 10 a1 oscili 0.2, 440, 2 outs a1, a1 endin f 2 0 4096 10 1 0.9 0.8 0.7 0.6 i 1 0 10

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tjingboem commented 1 month ago

the simple example for schedulek is added to the manual, but the musical example from Joachim did threw an error: missing " to terminate stringunknown CSD tag:

csounder commented 1 month ago

nice. thanks.

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Sun, Jun 9, 2024 at 1:44 PM Stefano Cucchi @.***> wrote:

Simple example for "schedulek"

; 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 schedulek.wav -W ;;; for file output any platform ; By Stefano Cucchi 2024 sr = 48000 ksmps = 10 nchnls = 2 0dbfs = 1 instr 1kfreqnote randomh 0.1, 6.3, 2kTrigger metro kfreqnote if kTrigger == 1 then ;schedulek 10, 0, 0.1 ;call the instrumentendifendininstr 10a1 oscili 0.2, 440, 2outs a1, a1endin f 2 0 4096 10 1 0.9 0.8 0.7 0.6i 1 0 10

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csounder commented 1 month ago

nice

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Sun, Jun 9, 2024 at 2:13 PM Stefano Cucchi @.***> wrote:

Simple example for "tableicopy"

Copying the source table to destination tables with different dimensions and reading with no interpolating opcode.

; Select audio/midi flags here according to platform -odac ;;;realtime audio out;-iadc ;;;uncomment -iadc if RT audio input is needed too; For Non-realtime ouput leave only the line below:; -o tableicopy.wav -W ;;; for file output any platform ; By Stefano Cucchi 2024 sr = 44100ksmps = 10nchnls = 20dbfs = 1instr 1 tableicopy 2, 1 a1 oscil 0.2, 440, 2 outs a1, a1endininstr 2 tableicopy 3, 1a1 oscil 0.2, 440, 3outs a1, a1endin f1 0 4096 10 1 0 1 0 1 1 0 1 0 1f2 0 8 10 1f3 0 4096 10 1i 1 0 4i 2 4 4 e

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csounder commented 1 month ago

for some reason, this instrument will not run...

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Sun, Jun 9, 2024 at 5:01 PM joachimheintz @.***> wrote:

which inspired me to this one:

; Select audio/midi flags here according to platform -odac ;;;realtime audio out -m128 ;;;reduce console output ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o schedulek.wav -W ;;; for file output any platform ; by joachim heintz 2024 sr = 48000 ksmps = 64 nchnls = 2 0dbfs = 1 seed 0 opcode RndHarm,i[],iop //generates an array with iLen random numbers iLen,iMin,iMax xin //defaults to iMin=0 and iMax=1 iOut[] init iLen indx = 0 while (indx

On 09/06/2024 19:44, Stefano Cucchi wrote:

Simple example for "schedulek"

; 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 schedulek.wav -W ;;; for file output any platform ; By Stefano Cucchi 2024 sr = 48000 ksmps = 10 nchnls = 2 0dbfs = 1 instr 1 kfreqnote randomh 0.1, 6.3, 2 kTrigger metro kfreqnote if kTrigger == 1 then ; schedulek 10, 0, 0.1 ;call the instrument endif endin instr 10 a1 oscili 0.2, 440, 2 outs a1, a1 endin f 2 0 4096 10 1 0.9 0.8 0.7 0.6 i 1 0 10

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AsterixMusic commented 1 month ago

Now should work, there was a typo error in line 79 or some error during copy & paste the code Thanyou @joachimheintz 


<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-odac      ;;;realtime audio out
-m128      ;;;reduce console output
;-iadc    ;;;uncomment -iadc if realtime audio input is needed too
; For Non-realtime ouput leave only the line below:
; -o schedulek.wav -W ;;; for file output any platform

; by joachim heintz 2024

</CsOptions>
<CsInstruments>

sr = 48000
ksmps   = 64
nchnls = 2
0dbfs   = 1
seed 0

opcode RndHarm,i[],iop
   //generates an array with iLen random numbers
   iLen,iMin,iMax xin //defaults to iMin=0 and iMax=1
   iOut[] init iLen
   indx = 0
   while (indx<iLen) do
     iOut[indx] = random:i(iMin,iMax)
     indx += 1
   od
   xout iOut
endop

instr GenerateSpectrum
   iHarmonics[] = RndHarm(p4)
   giSound = ftgen(0,0,4096,10,iHarmonics)
endin
schedule("GenerateSpectrum",0,0,4)

instr Call
   iStartPitch = 80 //MIDI note number
   kPitch init iStartPitch
   kStep init 3
   kNoteCount init 0
   kTrigMaxFreq init 3
   kTrigFreq init 2
   kPan init 0.9
   kNumHarm init 4
   kCycleCount init 1
   if (metro:k(kTrigFreq) == 1) then
     // call instrument
     schedulek("Play",0,kCycleCount/kTrigMaxFreq,kPitch,kPan)
     // update values
     kTrigFreq = random:k(kTrigMaxFreq/2,kTrigMaxFreq)
     kNoteCount += 1
     kPan -= 0.8/7
     kPitch -= kStep
     // if seven tones have been played, start again differently
     if (kNoteCount == 7) then
       kPitch = iStartPitch
       kPan = 0.9
       kStep /= 1.5
       kTrigMaxFreq /= 1.5
       kNoteCount = 0
       kNumHarm *= 1.5
       kCycleCount += 1
       schedulek("GenerateSpectrum",0,0,int(kNumHarm))
     endif
     // stop after six cycles
     if (kCycleCount == 7) then
       schedulek("Terminate",kCycleCount/kTrigMaxFreq,1)
       turnoff
     endif
   endif
   // print main values
   if (changed(kCycleCount) == 1) then
     printks("Cycle %d:\n",0,kCycleCount)
     printks("   kStep (semitones) and kTrigMaxFreq (Hz) = %.3f\n number of harmonics = %.3f\n",0,kStep,int(kNumHarm))
   endif
endin
schedule("Call",0,-1)

instr Play
   iPitch = p4
   iPan = p5
   aOut = oscili:a(0.2,mtof:i(iPitch),giSound)
   aOut = linen:a(aOut,0,p3,p3/2)
   aL,aR pan2 aOut,iPan
   out(aL,aR)
endin

instr Terminate
   event("e",0,0)
endin

</CsInstruments>
<CsScore>
</CsScore>
</CsoundSynthesizer>
csounder commented 1 month ago

nice! very very nice. inspiring. thanks for fixing and sharing.

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Mon, Jun 10, 2024 at 12:00 PM Stefano Cucchi @.***> wrote:

Now should work, there was a typo error in line 79 or some error during copy & paste the code Thanyou @joachimheintz https://us-west-2.protection.sophos.com?d=github.com&u=aHR0cHM6Ly9naXRodWIuY29tL2pvYWNoaW1oZWludHo=&i=NWYxNzBkMDNiNTVmZGEwZmIyNjczYmRm&t=bklNQnlYZlkxUTl4alBUR3NZZThHRGNacm9zQnpRVTVDdHpIeUtEQWpVTT0=&h=ca93ef3c20e044aab674fe8a0357e967&s=AVNPUEhUT0NFTkNSWVBUSVZ-CzEl059Ym1RlqwKl3ZhNfC-dR2N5IDL9CUAdMA_6tA

; Select audio/midi flags here according to platform -odac ;;;realtime audio out -m128 ;;;reduce console output;-iadc ;;;uncomment -iadc if realtime audio input is needed too; For Non-realtime ouput leave only the line below:; -o schedulek.wav -W ;;; for file output any platform ; by joachim heintz 2024 sr = 48000ksmps = 64nchnls = 20dbfs = 1seed 0opcode RndHarm,i[],iop //generates an array with iLen random numbers iLen,iMin,iMax xin //defaults to iMin=0 and iMax=1 iOut[] init iLen indx = 0 while (indx

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tjingboem commented 1 month ago

and a new musical example is born!

joachimheintz commented 1 month ago

thanks stefano, and also menno and richard - yes this was because of email line break. actually i sent the .csd some hours ago attached, but i think it was rejected by github because .csd attachements are not accepted. i have meanwhile sent it to menno privately because the indentation was ruined, too. but that is important for readability. cheers and thanks for great work on the manual - joachim

On 10/06/2024 17:59, Stefano Cucchi wrote:

Now should work, there was a typo error in line 79 or some error during copy & paste the code Thanyou @joachimheintz https://github.com/joachimheintz

; Select audio/midi flags here according to platform -odac;;;realtime audio out -m128;;;reduce console output ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o schedulek.wav -W ;;; for file output any platform ; by joachim heintz 2024 sr = 48000 ksmps = 64 nchnls = 2 0dbfs = 1 seed 0 opcode RndHarm,i[],iop //generates an array with iLen random numbers iLen,iMin,iMax xin //defaults to iMin=0 and iMax=1 iOut[] init iLen indx = 0 while (indx

— Reply to this email directly, view it on GitHub https://github.com/csound/manual/issues/737#issuecomment-2158750938, or unsubscribe https://github.com/notifications/unsubscribe-auth/AAQYHKVNNECSC3VLC42EHJTZGXEPXAVCNFSM6AAAAABISRU2ESVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDCNJYG42TAOJTHA. You are receiving this because you were mentioned.Message ID: @.***>

AsterixMusic commented 1 month ago

very simple example for "tabw"


<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 tabw.wav -W ;;; for file output any platform

;By Stefano Cucchi 2024

</CsOptions>
<CsInstruments>

sr = 48000 
ksmps = 32 
nchnls = 2 
0dbfs  = 1 

instr 1

tabw p4, 0, 2 ; write content of function number "2"
tabw p5, 1, 2
tabw p6, 2, 2
tabw p7, 3, 2
tabw p8, 4, 2

kamp oscili 1, 1/p3, 2 ;use f2 as envelope
asig poscil kamp, 440, 1        
     outs asig, asig

endin

</CsInstruments>
<CsScore>

f 1 0 8192 10 1 0.6 0 0.4 0.6   
f2 0 5 2 0 0 0 0 0

i1 0 2 0 0.9 0 0.2 0.9 ; every note has different envelope
i1 3 2 1 1 0 0.5 0

e
</CsScore>
</CsoundSynthesizer>
csounder commented 1 month ago

clear.

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Mon, Jun 10, 2024 at 2:30 PM Stefano Cucchi @.***> wrote:

very simple example for "tabw"

; 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 tabw.wav -W ;;; for file output any platform ;By Stefano Cucchi 2024 sr = 48000 ksmps = 32 nchnls = 2 0dbfs = 1 instr 1tabw p4, 0, 2 ; write content of function number "2"tabw p5, 1, 2tabw p6, 2, 2tabw p7, 3, 2tabw p8, 4, 2kamp oscili 1, 1/p3, 2 ;use f2 as envelopeasig poscil kamp, 440, 1 outs asig, asigendin f 1 0 8192 10 1 0.6 0 0.4 0.6 f2 0 5 2 0 0 0 0 0i1 0 2 0 0.9 0 0.2 0.9 ; every note has different envelopei1 3 2 1 1 0 0.5 0e

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tjingboem commented 1 month ago

i added an extra note and the notes now have a slightly longer duration. I can hear better now it envelopes:

i1 0 3 0 0.9 0 0.2 0.9 ; every note has different envelope i1 4 3 1 0.01 1 0.5 0 i1 8 3 1 1 0 0.5 0

csounder commented 1 month ago

good.

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Mon, Jun 10, 2024 at 3:00 PM Menno Knevel @.***> wrote:

i added an extra note and the notes now have a slightly longer duration. I can hear better now it envelopes:

i1 0 3 0 0.9 0 0.2 0.9 ; every note has different envelope i1 4 3 1 0.01 1 0.5 0 i1 8 3 1 1 0 0.5 0

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AsterixMusic commented 1 month ago

simple example for "tabw_i"


<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 tabw_i.wav -W ;;; for file output any platform

; By Stefano Cucchi 2024

</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 64
nchnls = 2
0dbfs = 1

instr 1

ain diskin "fox.wav"

ifn = 1 ; table filled with "0"

isig1 = p4
indx1 = p5
tabw_i isig1, indx1, ifn ; write a value in the table 

isig2 = p6
indx2 = p7
tabw_i isig2, indx2, ifn  ; write a value in the table 

aconv dconv ain, 32768, 1 ; convolution 

outs aconv, aconv

endin

</CsInstruments>
<CsScore>

f1 0 32768 7  0 32768 0

i1 0 10 1 1  1 16384 ; writes 1 at the beginning and 1 in the middle so we hear 2 copyes of the "fox"

e

</CsScore>
</CsoundSynthesizer>
tjingboem commented 1 month ago

on my machine i get a lot of WARNING: Buffer underrun in real-time audio output WARNING: Buffer underrun in real-time audio output but it seems to work

And a quote from Richard: The recent example with tab and fox and convolution produced noise on my M1 MacBookDr. Richard BoulangerProfessorElectronic Production and DesignBerklee College of MusicOn Jun 14, 2024, at 2:21 PM

csounder commented 1 month ago

I just got a lot of noise out. I know what it is supposed to do.

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Fri, Jun 14, 2024 at 11:32 AM Stefano Cucchi @.***> wrote:

simple example for "tabw_i"

; 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 tabw_i.wav -W ;;; for file output any platform ; By Stefano Cucchi 2024 sr = 44100ksmps = 64nchnls = 20dbfs = 1instr 1ain diskin "fox.wav"ifn = 1 ; table filled with "0"isig1 = p4indx1 = p5tabw_i isig1, indx1, ifn ; write a value in the table isig2 = p6indx2 = p7tabw_i isig2, indx2, ifn ; write a value in the table aconv dconv ain, 32768, 1 ; convolution outs aconv, aconvendin f1 0 32768 7 0 32768 0i1 0 10 1 1 1 16384 ; writes 1 at the beginning and 1 in the middle so we hear 2 copyes of the "fox"e

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AsterixMusic commented 1 month ago

Here the audio file of tabw_i https://www.dropbox.com/scl/fi/xv0y1l23o8ij9j31iznjb/tabw_i.wav?rlkey=rjdvvoqdf7gox5dmyis58plge&st=qjvaiqsq&dl=0

csounder commented 1 month ago

thanks for sharing. yes, i think the example is clear and awesome and I 'knew' it should sound exactly like that - but it did not on my MacBook. I will try again with another version of fox.wav

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Fri, Jun 14, 2024 at 4:47 PM Stefano Cucchi @.***> wrote:

Here the audio file of tabw_i

https://www.dropbox.com/scl/fi/xv0y1l23o8ij9j31iznjb/tabw_i.wav?rlkey=rjdvvoqdf7gox5dmyis58plge&st=qjvaiqsq&dl=0 https://us-west-2.protection.sophos.com?d=dropbox.com&u=aHR0cHM6Ly93d3cuZHJvcGJveC5jb20vc2NsL2ZpL3h2MHkxbDIzbzhpajlqMzFpem5qYi90YWJ3X2kud2F2P3Jsa2V5PXJqZHZ2b3FkZjdnb3g1ZG15aXM1OHBsZ2Umc3Q9cWp2YWlxc3EmZGw9MA==&i=NWYxNzBkMDNiNTVmZGEwZmIyNjczYmRm&t=MTJjY3R5N1BGc01JZXRRNG5ac0ZGU1VDTjk4eXdVc3BEdzdMRjU3MTg0ND0=&h=526280533de74cc1bff0e1a874a153ea&s=AVNPUEhUT0NFTkNSWVBUSVZ-CzEl059Ym1RlqwKl3ZhNfC-dR2N5IDL9CUAdMA_6tA

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csounder commented 1 month ago

Works perfectly - I think my fox.wav was garbage! THANKS for another great example.

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Fri, Jun 14, 2024 at 5:28 PM Dr. Richard Boulanger < @.***> wrote:

thanks for sharing. yes, i think the example is clear and awesome and I 'knew' it should sound exactly like that - but it did not on my MacBook. I will try again with another version of fox.wav

- Dr.B

Dr. Richard Boulanger

Professor

Electronic Production and Design

Berklee College of Music

Professional Writing & Technology Division

On Fri, Jun 14, 2024 at 4:47 PM Stefano Cucchi @.***> wrote:

Here the audio file of tabw_i

https://www.dropbox.com/scl/fi/xv0y1l23o8ij9j31iznjb/tabw_i.wav?rlkey=rjdvvoqdf7gox5dmyis58plge&st=qjvaiqsq&dl=0 https://us-west-2.protection.sophos.com?d=dropbox.com&u=aHR0cHM6Ly93d3cuZHJvcGJveC5jb20vc2NsL2ZpL3h2MHkxbDIzbzhpajlqMzFpem5qYi90YWJ3X2kud2F2P3Jsa2V5PXJqZHZ2b3FkZjdnb3g1ZG15aXM1OHBsZ2Umc3Q9cWp2YWlxc3EmZGw9MA==&i=NWYxNzBkMDNiNTVmZGEwZmIyNjczYmRm&t=MTJjY3R5N1BGc01JZXRRNG5ac0ZGU1VDTjk4eXdVc3BEdzdMRjU3MTg0ND0=&h=526280533de74cc1bff0e1a874a153ea&s=AVNPUEhUT0NFTkNSWVBUSVZ-CzEl059Ym1RlqwKl3ZhNfC-dR2N5IDL9CUAdMA_6tA

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tjingboem commented 1 month ago

I got an error trying to access Dropbox. But that is no problem, i heard the audio stumbling through my speakers with buffer underruns.

As this example is clearly CPU demanding, we could get the -odac command out and only let it render to disk?

tjingboem commented 1 month ago

The example from Joachim is now part of the musical examples folder. Thanks!