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Creating Sound With The Web Audio API And Oscillators ...
https://modernweb.com/creating-sound-web-audio-api-oscillators/#:~:text=In%20simple%20terms%2C%20if%20the%20AudioContext%20is%20your,example%2C%200.5%20would%20play%20at%20a%2050%25%20volume.
Creating Sound With The Web Audio API And Oscillators ...
https://modernweb.com/creating-sound-web-audio-api-oscillators/
As with everything in the Web Audio API, first you need to create an AudioContext. Then you simply need to use an OscillatorNode, choose its type and set its frequency. Finally, you just start the oscillator and connect it to the …
OscillatorNode - Web APIs | MDN
https://developer.mozilla.org/en-US/docs/Web/API/OscillatorNode
The following example shows basic usage of an AudioContext to create an oscillator node and to start playing a tone on it. For an applied example, check out our Violent Theremin demo (see app.js for relevant code). // create web audio api context const audioCtx = new (window.
Web Audio API Oscillators | Website Design, Marquette MI
https://middleearmedia.com/web-audio-api-oscillators/
The OscillatorNode is the interface that represents an audio source generating a periodic waveform. Unless otherwise specified, an oscillator defaults to a sine wave at 200 hertz. Notice we must connect the oscillator to the destination in order to hear it. Also, we specify a start value of zero to play the sound instantly.
javascript - Volume control with Web Audio API - Stack ...
https://stackoverflow.com/questions/33129754/volume-control-with-web-audio-api
If you set the initial volume to 0 directly (via .value) it shouldn't cut out entirely, but the first ramp won't have a start point - so it will remain zero until the linearRamp's time passed, and then it will jump to 1. Try this: var audio = new AudioContext (); var volume = 0; var attack = 1; var release = 1; var carrier = audio ...
Oscillator | Web Audio API
https://webaudioapi.com/samples/oscillator/
Web Audio API. Oscillator. Generating basic tones at various frequencies using the OscillatorNode. Frequency: Detune: Sine Square Sawtooth Triangle.
Advanced techniques: Creating and sequencing audio - …
https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Advanced_techniques
Associated Web Audio API feature "Sweep" Oscillator, periodic wave: OscillatorNode, PeriodicWave "Pulse" Multiple oscillators: OscillatorNode "Noise" Random noise buffer, Biquad filter: AudioBuffer, AudioBufferSourceNode, BiquadFilterNode "Dial up" Loading a …
javascript - Web Audio start and stop oscillator then ...
https://stackoverflow.com/questions/15261030/web-audio-start-and-stop-oscillator-then-start-it-again
It never explicitly calls noteOff on the old oscillator that is disconnected, so it might still be running in the background (not sure how web audio handles this) though it's not audible since it's disconnected from the audio chain. So it could potentially stack oscillators in the background that are running and draining CPU.
Samples | Web Audio API
https://webaudioapi.com/samples/
Audio Tag. Illustrates the use of MediaElementAudioSourceNode to wrap the audio tag. Filter. Apply a simple low pass filter to a sound. Lets you tweak frequency and Q values. Tremolo with timing curves and oscillators. Sets a sinusoidal value timing curve for a tremolo effect. Also does the same thing with an oscillator-based LFO. Volume Control
Audio Synthesis In JavaScript | Modern Web
https://modernweb.com/audio-synthesis-javascript/
Create an AudioContext and an oscillator, get the window dimensions, connect and start the oscillator and listen for mousemove events. In the mousemove handler, e.clientY / h will be a number from 0 to 1. Multiply this by 1000 and add 300 and we’ll have a frequency from 300 to 1300. This gets assigned to the oscillator’s frequency value.
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