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author | elioat <elioat@tilde.institute> | 2024-10-09 17:12:40 -0400 |
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committer | elioat <elioat@tilde.institute> | 2024-10-09 17:12:40 -0400 |
commit | 322e15fd5ca01d3dca485f6b33e59e56bbc84496 (patch) | |
tree | 2ed9525d82a45d8a31e120312a7f3e9cbe9e278b /html/tuner/index.html | |
parent | fef378a7b14e39d0697bee448f5e74798a86103e (diff) | |
download | tour-322e15fd5ca01d3dca485f6b33e59e56bbc84496.tar.gz |
*
Diffstat (limited to 'html/tuner/index.html')
-rw-r--r-- | html/tuner/index.html | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/html/tuner/index.html b/html/tuner/index.html index 4fe848d..20bf125 100644 --- a/html/tuner/index.html +++ b/html/tuner/index.html @@ -65,7 +65,7 @@ const noteDisplay = document.getElementById('note'); let audioContext; - let analyser; + let analyzer; let dataArray; let bufferLength; @@ -89,12 +89,12 @@ audioContext = new (window.AudioContext || window.webkitAudioContext)(); const source = audioContext.createMediaStreamSource(stream); - analyser = audioContext.createAnalyser(); - analyser.fftSize = 2048; - bufferLength = analyser.frequencyBinCount; + analyzer = audioContext.createAnalyser(); + analyzer.fftSize = 2048; + bufferLength = analyzer.frequencyBinCount; dataArray = new Uint8Array(bufferLength); - source.connect(analyser); + source.connect(analyzer); drawWaveform(); setInterval(detectNote, 500); }).catch(err => { @@ -111,7 +111,7 @@ function drawWaveform() { requestAnimationFrame(drawWaveform); - analyser.getByteTimeDomainData(dataArray); + analyzer.getByteTimeDomainData(dataArray); canvasCtx.clearRect(0, 0, canvas.width, canvas.height); canvasCtx.beginPath(); @@ -138,8 +138,8 @@ // Detect the dominant frequency and map it to a musical note function detectNote() { - const freqArray = new Float32Array(analyser.frequencyBinCount); - analyser.getFloatFrequencyData(freqArray); + const freqArray = new Float32Array(analyzer.frequencyBinCount); + analyzer.getFloatFrequencyData(freqArray); let maxAmp = -Infinity; let maxIndex = 0; |