How to use Quantized time in tone.js











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I'm using TONE.JS library to play audio in Javascript. It says that '@1m' should return the time of the next measure. However it is not working for me.



Here is an example.



Tone.Transport.start();
setTimeout(() => {
console.log(Tone.Transport.seconds);
console.log(Tone.Time('1:0').toSeconds());
console.log(Tone.Time('2:0').toSeconds());
console.log(Tone.Time('@1m').toSeconds());
console.log(Tone.Time('@2m').toSeconds());
}, 2500);


The output I expect is




  • ~2.5 = current transport time

  • 2 = time of second measure, which is the current one

  • 4 = time of third measure, which is the next one

  • 4 = time of third measure (the next one after current)

  • 6 = time of fourth measure


Instead I get this



2.304580498866213 
2
4
4.106294642857143
4.106294642857143


Why does '@1m' not return the start of a measure? And why does '@2m' return the same thing as '@1m'?










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    up vote
    0
    down vote

    favorite












    I'm using TONE.JS library to play audio in Javascript. It says that '@1m' should return the time of the next measure. However it is not working for me.



    Here is an example.



    Tone.Transport.start();
    setTimeout(() => {
    console.log(Tone.Transport.seconds);
    console.log(Tone.Time('1:0').toSeconds());
    console.log(Tone.Time('2:0').toSeconds());
    console.log(Tone.Time('@1m').toSeconds());
    console.log(Tone.Time('@2m').toSeconds());
    }, 2500);


    The output I expect is




    • ~2.5 = current transport time

    • 2 = time of second measure, which is the current one

    • 4 = time of third measure, which is the next one

    • 4 = time of third measure (the next one after current)

    • 6 = time of fourth measure


    Instead I get this



    2.304580498866213 
    2
    4
    4.106294642857143
    4.106294642857143


    Why does '@1m' not return the start of a measure? And why does '@2m' return the same thing as '@1m'?










    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I'm using TONE.JS library to play audio in Javascript. It says that '@1m' should return the time of the next measure. However it is not working for me.



      Here is an example.



      Tone.Transport.start();
      setTimeout(() => {
      console.log(Tone.Transport.seconds);
      console.log(Tone.Time('1:0').toSeconds());
      console.log(Tone.Time('2:0').toSeconds());
      console.log(Tone.Time('@1m').toSeconds());
      console.log(Tone.Time('@2m').toSeconds());
      }, 2500);


      The output I expect is




      • ~2.5 = current transport time

      • 2 = time of second measure, which is the current one

      • 4 = time of third measure, which is the next one

      • 4 = time of third measure (the next one after current)

      • 6 = time of fourth measure


      Instead I get this



      2.304580498866213 
      2
      4
      4.106294642857143
      4.106294642857143


      Why does '@1m' not return the start of a measure? And why does '@2m' return the same thing as '@1m'?










      share|improve this question













      I'm using TONE.JS library to play audio in Javascript. It says that '@1m' should return the time of the next measure. However it is not working for me.



      Here is an example.



      Tone.Transport.start();
      setTimeout(() => {
      console.log(Tone.Transport.seconds);
      console.log(Tone.Time('1:0').toSeconds());
      console.log(Tone.Time('2:0').toSeconds());
      console.log(Tone.Time('@1m').toSeconds());
      console.log(Tone.Time('@2m').toSeconds());
      }, 2500);


      The output I expect is




      • ~2.5 = current transport time

      • 2 = time of second measure, which is the current one

      • 4 = time of third measure, which is the next one

      • 4 = time of third measure (the next one after current)

      • 6 = time of fourth measure


      Instead I get this



      2.304580498866213 
      2
      4
      4.106294642857143
      4.106294642857143


      Why does '@1m' not return the start of a measure? And why does '@2m' return the same thing as '@1m'?







      javascript music tone.js






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      asked Nov 10 at 21:12









      John Henckel

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