c# – 音乐的音高检测

概述我正在制作一个基于节奏的音乐游戏,你应该(理论上)能够选择你想要的任何歌曲.这是使用C#在Unity(5.4.1)中创建的. 实时地检测并通过可视化器向用户显示的歌曲的音高. 我遇到的问题是我创建了一个可视化工具,但这几乎没有显示更高音调的音符.我担心这是因为(和大多数音乐一样)一次播放一些音高(为了测试我在等待声音人给我音乐时使用Darude Sandstorm).最后,我希望这种音高检测能够告 我正在制作一个基于节奏的音乐游戏,你应该(理论上)能够选择你想要的任何歌曲.这是使用C#在Unity(5.4.1)中创建的.

实时地检测并通过可视化器向用户显示的歌曲的音高.

我遇到的问题是我创建了一个可视化工具,但这几乎没有显示更高音调的音符.我担心这是因为(和大多数音乐一样)一次播放一些音高(为了测试我在等待声音人给我音乐时使用Darude Sandstorm).最后,我希望这种音高检测能够告诉用户是高音,中音还是低音.

我试过用了
    GetComponent< FFT>()PitchValue.
和
   AudioListener.GetSpectrumData(2048,FFtwindow.Hamming);

我想恐惧的是,它不能在一次播放多个音高的歌曲上完成(即基础覆盖高音高).

我很乐意听到任何建议或知道是否有人克服了类似的问题.

这是我现在正在使用的一个例子,我已经尝试了许多不同的在线解决方案(其中一些信息实际上来自于评论代码中链接的教程),如果我继续,我打算完全参考这条道路(我已经在这段时间工作了几个星期).它是一个非常可视化的,但我似乎无法充分利用它.这可以作为没有if else语句的可视化工具,这正是我正在进行一些试验和错误的地方.我跟随this tutorial

//the class{    using UnityEngine;    using System.Collections;    public class soundspectrume : MonoBehavIoUr {    public GameObject prefab; // the cube prefab    public int numberOfObjects = 25; // number of cubes to make visualizer    public float radius = 5f; // radius of circle    public GameObject[] cubes; //array of the created cubes    public float PitchValue;    public color mycolour;    voID Start()     {        PitchValue = GameObject.Find("Main Camera").GetComponent<FFT>().PitchValue;//this declares the pitch value but it will always be 0 as it is declared before the musics intro on start        for (int i = 0; i < numberOfObjects; i++) //loop to create the cubes         {            float angle = i * Mathf.PI * 2 / numberOfObjects;            Vector3 pos = new Vector3(Mathf.Cos(angle),Mathf.Sin(angle)) * radius; // this code is from unity docs https://docs.unity3d.com/Manual/InstantiatingPrefabs.HTML            Instantiate(prefab,pos,Quaternion.IDentity); //instanciate's cubes         }        cubes = GameObject.FindGameObjectsWithTag("cube");    }// Update is called once per frame    voID Update () {        PitchValue = GameObject.Find("Main Camera").GetComponent<FFT>().PitchValue;        print(PitchValue);         float[] spectrum = AudioListener.GetSpectrumData(2048,FFtwindow.Hamming); // always move sample to power of 2,max will make cubes move without punch lower numbers less control.        for (int i = 0; i < numberOfObjects; i++)        {            if (PitchValue <= 200)            {                Vector3 prevIoUsscale = cubes[i].transform.localScale;                prevIoUsscale.y = spectrum[i] * 500; //take spectrum number and multiply,higher frequency songs will need greater multiplIEr                cubes[i].transform.localScale = prevIoUsscale;            }            else if (PitchValue >= 201)            {                Vector3 prevIoUsscale = cubes[i].transform.localScale;                prevIoUsscale.y = spectrum[i] * 1; //take spectrum number and multiply,higher frequency songs will need greater multiplIEr                cubes[i].transform.localScale = prevIoUsscale;            }            else if (PitchValue >= 500)            {                Vector3 prevIoUsscale = cubes[i].transform.localScale;                prevIoUsscale.y = spectrum[i] * 100; //take spectrum number and multiply,higher frequency songs will need greater multiplIEr                cubes[i].transform.localScale = prevIoUsscale;            }        }    }}

Attached image with some of the pitch output values printed

感谢您的评论到目前为止,抱歉我没有在开始时附上这个

解决方法 如果有人在那里工作类似的东西,我设法分开球场,因为他们使用阵列来访问FFT频谱数据.

欢迎所有反馈.

我通过学习FFT如何工作(认真推荐可汗学院)并找到这个很棒的家伙视频 – https://www.youtube.com/watch?v=V_8JSWVT36k,他在Js中做同样的事情.

using UnityEngine;using System.Collections;public class SPECTRUMANALYZER : MonoBehavIoUr {    voID Update( )    {        float[] spectrum = new float[1024];        AudioListener.GetSpectrumData(spectrum,FFtwindow.Rectangular );        float l1 = spectrum [0] + spectrum [2] + spectrum [4];        float l2 = spectrum [10] + spectrum [11] + spectrum [12];        float l3 = spectrum[20] + spectrum [21] + spectrum [22];        float l4 = spectrum [40] + spectrum [41] + spectrum [42] + spectrum [43];        float l5 = spectrum [80] + spectrum [81] + spectrum [82] + spectrum [83];        float l6 = spectrum [160] + spectrum [161] + spectrum [162] + spectrum [163];        float l7 = spectrum [320] + spectrum [321] + spectrum [322] + spectrum [323];        DeBUG.Log(l7);        GameObject [] cubes = GameObject.FindGameObjectsWithTag("CUBE");    for( int i = 1; i < cubes.Length; i++ )    {        switch (i)        {            case 1:                cubes[i].gameObject.transform.localScale = new Vector3(1,l1 * 100,0.5f); // base drum                break;            case 2:                cubes[i].gameObject.transform.localScale = new Vector3(1,l2 * 200,0.5f); // base guitar                break;            case 3:                cubes[i].gameObject.transform.localScale = new Vector3(1,l3 * 400,0.5f);                break;            case 4:                cubes[i].gameObject.transform.localScale = new Vector3(1,l4 * 800,0.5f);                break;            case 5:                cubes[i].gameObject.transform.localScale = new Vector3(1,l5 * 1600,0.5f);                break;            case 6:                cubes[i].gameObject.transform.localScale = new Vector3(1,l6 * 3200,0.5f);                break;            case 7:                cubes[i].gameObject.transform.localScale = new Vector3(1,l7 * 6400,0.5f); //*tsk tsk tsk                break;        }               }}

}

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