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    Timestretching/Pitchshifting

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    • J
      johnmike @Christoph Hart
      last edited by

      @Christoph-Hart I've tried them at different values...same results...ive changed all of the numquaters to 0 ive tried 2,4,8 etc etc...if all the samples are in the same sampler and the numquarters are set to 0 everything plays and syncs fine...but when I mix multiple samplers it falls apart...working on a video now

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      • J
        johnmike @Christoph Hart
        last edited by

        @Christoph-Hart here's a vid with time stretching the loops all in 1 sampler...numquarters at 0
        https://www.dropbox.com/scl/fi/55825x1sgxeqm743uvjqm/Timestrectching-1.mov?rlkey=gucjhshwrifahs630dda12zmv&dl=0

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        • J
          johnmike @Christoph Hart
          last edited by johnmike

          @Christoph-Hart and here's a vid with the kicks moved to a different sampler...numQ's at 0,4,8 just playing around with it...but as you can see they slowly drift out of time with the click...

          https://www.dropbox.com/scl/fi/8ximq0ziy4sjo38l974om/timestretch-2.mov?rlkey=4vkpcp7vzmqrqubuvfzflm7uw&dl=0

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          • J
            johnmike @Christoph Hart
            last edited by

            sorry for terrible audio it's coming from the built in mic...but should be loud enough to hear what's going on

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            • B
              BWSounds
              last edited by

              The Timestretching/Pitchshifting is nice, but causes a cpu spike on my set up... is this happening to anyone else?

              Only asking so I can know how to proceed with the project im working on.
              thx

              S 1 Reply Last reply Reply Quote 0
              • S
                Sawer @BWSounds
                last edited by

                @BWSounds Same here... Cpu spikes to 60% sometimes. Only tried on FL studio tho. Have not tried on mac yet.

                Christoph HartC 1 Reply Last reply Reply Quote 0
                • Christoph HartC
                  Christoph Hart @Sawer
                  last edited by

                  @Sawer if you're using the SkipLatency parameter then yes, there will be spikes when you start voices, otherwise the CPU usage is high but not unreasonably high.

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                  • L
                    Lumi283
                    last edited by

                    Hi! I have a problem with the timestretching. I have updated my HISE version(3.6.0) but the functions Sampler.getTimestretchOptions();
                    Sampler0.setTimestretchOptions(obj);
                    Sampler0.setTimestretchRatio(0.7);

                    are throwing this error message:
                    Interface:! Ui_samples.js (13): function not found {SW50ZXJmYWNlfFVpX3NhbXBsZXMuanN8NDM2fDEzfDQ3}
                    Could someone help me to solve this problem? Thank you

                    // Get sampler
                    var Sampler0 = Synth.getChildSynth("Sampler0");
                    
                    // fetch the current state
                    var obj = Sampler0.getTimestretchOptions();
                    
                    // print out all properties
                    Console.print(trace(obj));
                    
                    // Apply your changed
                    obj.SkipLatency = true;
                    obj.Tonality = 2.0;
                    
                    // Update the options
                    Sampler0.setTimestretchOptions(obj);
                    
                    //Set ratio
                    Sampler0.setTimestretchRatio(0.7);
                    
                    d.healeyD 1 Reply Last reply Reply Quote 0
                    • d.healeyD
                      d.healey @Lumi283
                      last edited by d.healey

                      @Lumi283 The time stretch functions are part of the Sampler class, your reference is of the ChildSynth type. You either need to use Synth.getSampler() instead or use Sampler0.asSampler...

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                      • L
                        Lumi283 @d.healey
                        last edited by

                        @d-healey Thank you it's working!
                        Now when i want to channge the tonality nothing happens.... But the tonality was changed in the JSON.
                        Interface: {

                        //Script
                        var SamplerX = Synth.getSampler("Sampler0");
                        var obj = SamplerX.getTimestretchOptions();
                        
                        obj.SkipLatency = false;
                        obj.Tonality = 6.0;
                        
                        SamplerX.setTimestretchOptions(obj);
                        
                        Console.print(trace(obj));
                        
                        //Console
                        Interface: {
                          "Tonality": 6.0,
                          "SkipLatency": 0,
                          "Mode": "VoiceStart",
                          "NumQuarters": 0.0,
                          "PreferredEngine": ""
                        }
                        

                        Any idea ?

                        Christoph HartC 1 Reply Last reply Reply Quote 0
                        • Christoph HartC
                          Christoph Hart @Lumi283
                          last edited by

                          @Lumi283 tonality is between 0 and 1.

                          L J 2 Replies Last reply Reply Quote 0
                          • L
                            Lumi283 @Christoph Hart
                            last edited by

                            @Christoph-Hart
                            Okay, I understand, and what values correspond to semitones?

                            d.healeyD 1 Reply Last reply Reply Quote 0
                            • J
                              johnmike @Christoph Hart
                              last edited by

                              @Christoph-Hart any luck with time stretching across multiple samplers? or is it something im doing wrong?

                              Christoph HartC 1 Reply Last reply Reply Quote 0
                              • Christoph HartC
                                Christoph Hart @johnmike
                                last edited by

                                @johnmike I‘m on vacation at the moment so I can‘t check stuff with actual audio but I‘ll take a look when I get back.

                                ulrikU J 2 Replies Last reply Reply Quote 0
                                • d.healeyD
                                  d.healey @Lumi283
                                  last edited by

                                  @Lumi283 Try dividing 1 by 12 (if it's linear, I haven't tested it).

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                                  • ulrikU
                                    ulrik @Christoph Hart
                                    last edited by

                                    @Christoph-Hart said in Timestretching/Pitchshifting:

                                    @johnmike I‘m on vacation at the moment

                                    What, do you also take time off sometimes, how will we manage?

                                    Hise Develop branch
                                    MacOs 15.3.1, Xcode 16.2
                                    http://musikboden.se

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                                    • J
                                      johnmike @Christoph Hart
                                      last edited by

                                      @Christoph-Hart definitely enjoy your vacay! I can wait lol...was just wondering...sorry to bother! thanks for all you do!

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                                      • d.healeyD
                                        d.healey
                                        last edited by d.healey

                                        @johnmike I just tested and it seems to work fine (I notice that if I set the tempo too high it loops back to a slower tempo which is weird, but that could be a Linux thing).

                                        Here's a video I made
                                        https://e.pcloud.link/publink/show?code=XZlUk2ZWBrmKoz56wb9iQHR1DbWaFkrDBYk

                                        Here's the audio file I'm using in the video
                                        https://e.pcloud.link/publink/show?code=XZtUk2ZePJ9aI3hKympkKub2n0EU8IESwA7

                                        I left numQuarters at 0

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                                        J 1 Reply Last reply Reply Quote 0
                                        • J
                                          johnmike @d.healey
                                          last edited by johnmike

                                          @d-healey seems like you are using the same loop in both samplers correct? I was looking on my phone so everything was small…are the on the same key as well? What about on different keys with different loops that are different lengths/different BPMs? That’s my situation

                                          d.healeyD 1 Reply Last reply Reply Quote 0
                                          • d.healeyD
                                            d.healey @johnmike
                                            last edited by

                                            @johnmike I didn't try that. I'll give it a go now

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