musicnot | experimenting with musical score processing for playback | Graphics library
kandi X-RAY | musicnot Summary
kandi X-RAY | musicnot Summary
experimenting with musical score processing for playback and visualization
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QUESTION
I am working on a snapchat clone where I want to use the image which is cliked on webcam to store in firestore and use it as preview. The code is perfect but it's showing an error related to firebase. I have no idea what to do. This is my code
...ANSWER
Answered 2021-May-31 at 18:44The error said the users does not have access to your Firebase Storage. Add rules for Firebase Storage to give users access. For example:
QUESTION
I need to change the font-family of the text contained in a variable in JavaScript
This is my js code:
...ANSWER
Answered 2020-Oct-29 at 19:24Try this.
QUESTION
I am trying to make an audio player in SwiftUI, Audio player should have these functionality.
- Play/Stop Audio
- Play in loop
- Change volume through slider
- Change audio pitch through slider.
There are two problem currently I am facing
- audio player is not using volume and pitch slider value
- While I stop and play and change volume/pitch slider app crashes with following message.
2020-10-14 17:34:08.957709+0530 SwiftUIAudioPlayer[1369:24886] [avae] AVAEInternal.h:109 [AVAudioFile.mm:484:-[AVAudioFile readIntoBuffer:frameCount:error:]: (ExtAudioFileRead(_imp->_extAudioFile, &ioFrames, buffer.mutableAudioBufferList)): error -50
Here is the link to project. https://github.com/varun-naharia/SwiftUIAudioPlayer
ContentView.swift
...ANSWER
Answered 2020-Oct-21 at 08:39Your first problem is that you're not tracking changes of volume/pitch values. To do so move them to a class:
QUESTION
I am getting a run-time error which tells me that it is unable to cast an object of type PictureBox to type MusicNote (MusicNote inherits from PictureBox.)
...ANSWER
Answered 2019-Jan-06 at 08:13This error occurs when panel2.Controls
contains Controls
not only of the type MusicNote
or PictureBox
. From your data it is not clear what is the type of all panel2.Controls
, should be solely Collection
or List
of PictureBoxes. If panel2.Controls
contains any Control
of a type different from Picturebox
or MusicNote
(e.g. TextBox
, etc.), you get the error. If the types of all panel2.Controls
are correct, then most likely the panel2
is not fully loaded when the error occurs.
You may try:
QUESTION
I am trying to design a piano for an assignment in C#. I have created a MusicKey class which stores music keys (as well as a BlackMusicKey class). I am populating the panel, 'panel1' with music keys like this:
...ANSWER
Answered 2018-Dec-20 at 14:24According to Form1 class code, there is constructor missing. Please add proper constructor with InitializeComponent()
method call. It can be added anywhere in class body.
Code snippet:
QUESTION
I'm having lots of issues trying to build a constructor where the variables already have default values, and then call the new variables which I set up later on in the TestGuitar class. I've had success compiling my program and printing the default values. I haven't had success retaining the new ones I tried to set up in the newGuitar variable in the TestGuitar class. I know all the issues are coming from my constructors. In this situation I need a 0 arg constructor that creates a default guitar and a new constructor that creates a very specific guitar.
I set up some private variables for the default guitar. I want my program to return the default variables if I never pass anything to then newGuitar variable in the TestGuitar class. If I do pass something, i.e. guitarLength 24.75, I want my program to return that. Even further, I want that new variable to be callable by a getter method. I believe I have the 75% solution, but I need help specifically with the constructor issues at hand. I just don't think I'm grasping the concepts of constructors enough to incorporate a 0 arg and a specific constructor at the same time.
...ANSWER
Answered 2018-Sep-17 at 01:33class Guitar {
private static int i = 1;
private static Random rand = new Random();
private int numStrings;
private double guitarLength ;
private String guitarManufacturer;
private Color guitarColor;
//declaring the constructor
public Guitar (){
//all my problems coming from here
numStrings = 6;
guitarLength = 28.2;
guitarManufacturer = "Gibson";
guitarColor = Color.RED;
}
public Guitar (int strings, double length, String manufacturer, Color color){
this.numStrings = Strings;
this.guitarLength = length;
this.guitarManufacturer = manufacturer;
this.guitarColor = color;
System.out.printf("toString: %s \n ", this);
}
public int getNumStrings() {
return numStrings;
}
public double getGuitarLength() {
return guitarLength;
}
public String getGuitarManufacturer() {
return guitarManufacturer;
}
public Color getGuitarColor(){
return this.guitarColor;
}
public static void playGuitar(){
String[] musicNotes = {"A", "B", "C", "D", "E", "F", "G"};
String[] musicDuration = {"(0.25)","(0.5)","(1)", "(2)","(4)"};
System.out.print("playGuitar: ");
for (i = 1; i < 17; i++){
int index1 = rand.nextInt(musicNotes.length);
int index2 = rand.nextInt(musicDuration.length);
System.out.print(musicNotes[index1]);
System.out.print(musicDuration[index2] + ",");
}
}
public String toString(){
return String.format("%d, %f, %s, %s", numStrings, guitarLength, guitarManufacturer, guitarColor);
}
}
QUESTION
I have a bit of code that I am working on. I am stuck on one part of it which involves the Random nextInt() method. This issue I am having is that my code returns the same exact random integer from the index of my arrays. What I am intending to do is iterate through a for loop and, for each of my 16 iterations, I want to have the Random nextInt() method select a string from an array via the index and print that to the screen. At the moment, I am able to generate 1 random string from each index. For the next 15 iterations, my code prints the same random selection instead of randomly selecting a new one.
...ANSWER
Answered 2018-Sep-16 at 10:20You only generate two random numbers (index1
and index2
), and then use them multiple times within the loop.
You should generate new random numbers for each iteration of the loop:
QUESTION
I am working with an AVAudioUnitSampler that is attached to an AVAudioEngine within my app. I've gotten everything to work well except when I segue out of the view controller that the sampler is instantiated in. I get a crash with an error that says:
Terminating app due to uncaught exception 'com.apple.coreaudio.avfaudio', reason: 'required condition is false: outputNode'
I'm guessing that this is because the engine is getting interrupted somehow when I segue back to my previous VC, not sure!
I've tried to stop the engine and also the sequencer inside of viewWillDisappear, but it still crashes.
If I use a UIButton show segue to the previous VC,it sort of works, but I get a crash with an unwind segue and with the current navigation bar segue.
I'm a newbie, so hopefully I've explained this well enough!
I am getting to this VC from a segue triggered from a table view on the previous VC.
Here is the code for the VC in question:
...ANSWER
Answered 2018-May-14 at 22:42This code is similar to yours and doesn't crash when segueing or unwinding:
QUESTION
I have a simple piano keyboard that plays a note each time a key is pressed. I want to store each note in a List and then play all the notes after each other when a button "Play is pressed". I already created the List and am adding each note pressed to the List. But I am having problems traversing the list and playing each sound.
...ANSWER
Answered 2017-Dec-28 at 17:19The reason is probably that you don't wait each sound to finish and the sound gets "overridden". This way you hear only the last one. You need to make sure playing a sound is finished before you continue to the other one on your iteration.
Assuming sp
in your code is an instance of SoundPlayer
class. You can use sp.PlaySync()
to make sure your program pauses before moving to the next sound.
QUESTION
So I want to know for how long the user presses down on a button. I am using the button1_MouseDown method as you can see below. However the count variable is staying 0.
Can someone please help me solve this problem please?
Thanks in advance!
...ANSWER
Answered 2017-Dec-13 at 12:32Your problem is due to the assignment using a post increment.
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