Reading *.wav files in Python

Per the documentation, scipy.io.wavfile.read(somefile) returns a tuple of two items: the first is the sampling rate in samples per second, the second is a numpy array with all the data read from the file: from scipy.io import wavfile samplerate, data = wavfile.read(‘./output/audio.wav’)

Playing .mp3 and .wav in Java?

Java FX has Media and MediaPlayer classes which will play mp3 files. Example code: String bip = “bip.mp3”; Media hit = new Media(new File(bip).toURI().toString()); MediaPlayer mediaPlayer = new MediaPlayer(hit); mediaPlayer.play(); You will need the following import statements: import java.io.File; import javafx.scene.media.Media; import javafx.scene.media.MediaPlayer;

How are VST Plugins made?

Start with this link to the wiki, explains what they are and gives links to the sdk. Here is some information regarding the deve How to compile a plugin – For making VST plugins in C++Builder, first you need the VST sdk by Steinberg. It’s available from the Yvan Grabit’s site (the link is at … Read more

Node.js can’t create Blobs?

The Solution to this problem is to create a function which can convert between Array Buffers and Node Buffers. 🙂 Convert a binary NodeJS Buffer to JavaScript ArrayBuffer In recent node versions it’s just: let buffer = Buffer.from(arraybuffer); let arraybuffer = Uint8Array.from(buffer).buffer;

How to play a notification sound on websites?

2021 solution function playSound(url) { const audio = new Audio(url); audio.play(); } <button onclick=”playSound(‘https://your-file.mp3’);”>Play</button> Browser support Edge 12+, Firefox 20+, Internet Explorer 9+, Opera 15+, Safari 4+, Chrome Codecs Support Just use MP3 Old solution (for legacy browsers) function playSound(filename){ var mp3Source=”<source src=”” + filename + ‘.mp3″ type=”audio/mpeg”>’; var oggSource=”<source src=”” + filename + ‘.ogg” … Read more

Play audio with Python

Your best bet is probably to use pygame/SDL. It’s an external library, but it has great support across platforms. pygame.mixer.init() pygame.mixer.music.load(“file.mp3”) pygame.mixer.music.play() You can find more specific documentation about the audio mixer support in the pygame.mixer.music documentation

How to prevent “The play() request was interrupted by a call to pause()” error?

I have encountered this issue recently as well – this could be a race condition between play() and pause(). It looks like there is a reference to this issue, or something related here. As @Patrick points out, pause does not return a promise (or anything), so the above solution won’t work. While MDN does not … Read more

Play audio file from the assets directory

player.setDataSource(afd.getFileDescriptor(),afd.getStartOffset(),afd.getLength()); Your version would work if you had only one file in the assets directory. The asset directory contents are not actually ‘real files’ on disk. All of them are put together one after another. So, if you do not specify where to start and how many bytes to read, the player will read up … Read more

Python: Making a beep noise

On Windows, if you want to just make the computer make a beep sound: import winsound frequency = 2500 # Set Frequency To 2500 Hertz duration = 1000 # Set Duration To 1000 ms == 1 second winsound.Beep(frequency, duration) The winsound.Beep() can be used wherever you want the beep to occur.

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