new Signal naming
parent
653b9220f8
commit
5e334d3bfd
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@ -2,6 +2,7 @@
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<div>
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<button @click="startMicrophone">Start Microphone</button>
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<button @click="stopMicrophone">Stop Microphone</button>
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<canvas ref="visualizationCanvas" width="800" height="200"></canvas>
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<div v-if="errorMessage">{{ errorMessage }}</div>
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</div>
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</template>
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@ -6,7 +6,7 @@
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poster="/images/poster.png"
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>
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<div class="container-fluid overflow-auto" >
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<div class="row"> <BandProcessor /> </div>
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<div class="row"> <BandProcessor /> <ChannelStreamer /> </div>
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<div class="row ">
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<div class="col-12 col-lg-4 bg-img d-none d-lg-block" style="background-image: url('/images/login.svg');background-size: cover;height: 100vh;" >
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</div>
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@ -78,6 +78,7 @@ import backgroundImagePath from '~/assets/image/login4.png';
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import {useUserStore} from '@/stores/user';
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import {mapState,mapActions} from "pinia";
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import BandProcessor from "@/components/BandProcessor";
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import ChannelStreamer from "@/pages/ChannelStreamer";
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export default {
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setup() {
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@ -90,7 +91,7 @@ export default {
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}
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},
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//Components BEGIN
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components: {BandProcessor},
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components: {BandProcessor,ChannelStreamer},
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//Components END
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mounted() {
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// if (this.is_login){
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@ -2,11 +2,13 @@ class OctaveBandProcessor extends AudioWorkletProcessor {
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constructor() {
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super()
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// Define center frequencies for 9 octave bands
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this.centerFrequencies = [63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]
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this.filters = []
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this.lastUpdateTimestamp = 0
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this.updateInterval = 0.125 // Update every 0.125 seconds
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this.filteredMicSignal =[]
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// Create an A-weighting filter for specific frequencies
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this.createAWeightingFilter()
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@ -47,22 +49,28 @@ class OctaveBandProcessor extends AudioWorkletProcessor {
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}
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process(inputs, outputs) {
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const numOutputChannels = outputs.length
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for (let i = 0; i < numOutputChannels; i++) {
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const outputChannel = outputs[i][0]
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const inputChannel = inputs[i][0]
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const numOutputoctaves = filters.length
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for (let i = 0; i < numOutputoctaves; i++) {
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// const outputChannel = outputs[i][0]
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// Apply the filter to the input channel
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const filteredSignal = this.filters[i].process(inputChannel)
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const mic = inputs[0]
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const maskingsig = inputs[1]
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const harmonic = inputs[2]
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// Apply the filter to the input channel
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const filteredMicSignal[i] = this.filters[i].process(mic)
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const filteredMaskSignal = this.filters[i].process(maskingsig)
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const filteredHarmoSignal = this.filters[i].process(harmonic)
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// Apply A-weighting only to the microphone signal (channel 0)
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if (i === 0) {
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const aWeightedSignal = this.aWeightingFilter.process(filteredSignal)
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const aWeightedSignal[i] = this.aWeightingFilter.process(filteredMicSignal)
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this.calculateRMSLevel(aWeightedSignal)
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outputChannel.set(aWeightedSignal)
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} else {
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// For other channels, pass the signal without A-weighting
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outputChannel.set(filteredSignal)
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}
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// Check if it's time to update percentiles
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const currentTime = this.currentTime
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@ -86,8 +94,8 @@ class OctaveBandProcessor extends AudioWorkletProcessor {
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updatePercentiles(channelIndex) {
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for (let i = 0; i < this.centerFrequencies.length; i++) {
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const analyzer = this.analyzers[i][channelIndex]
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const levelData = new Float32Array(analyzer.frequencyBinCount)
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//const analyzer = this.analyzers[i][channelIndex]
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//const levelData = new Float32Array(analyzer.frequencyBinCount)
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analyzer.getFloatFrequencyData(levelData)
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// Calculate percentiles for each octave band and each channel
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@ -114,59 +122,59 @@ class OctaveBandProcessor extends AudioWorkletProcessor {
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] //David
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// Create a custom IIR filter node with the A-weighting coefficients
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this.aWeightingFilter = new IIRFilterNode(audioContext, {
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this.aWeightingFilter = new IIRFilterNode(audioContext, { //infinit Impuls Response
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feedforward: aWeightingCoefficients,
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feedback: [1],
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})
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}
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combineAndCalculate() {
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let LAF10_90_total = 0 // Initialize the total LAF10%-90%
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// combineAndCalculate() {
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// let LAF10_90_total = 0 // Initialize the total LAF10%-90%
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for (let i = 0; i < this.centerFrequencies.length; i++) {
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const micAnalyzer = this.analyzers[i][0] // Analyzer for microphone audio (identifier 0)
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const audioFile1Analyzer = this.analyzers[i][3] // Analyzer for audioFile1 (identifier 3)
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const audioFile2Analyzer = this.analyzers[i][4] // Analyzer for audioFile2 (identifier 4)
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// for (let i = 0; i < this.centerFrequencies.length; i++) {
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// const micAnalyzer = this.analyzers[i][0] // Analyzer for microphone audio (identifier 0)
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// const audioFile1Analyzer = this.analyzers[i][3] // Analyzer for audioFile1 (identifier 3)
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// const audioFile2Analyzer = this.analyzers[i][4] // Analyzer for audioFile2 (identifier 4)
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// Calculate percentiles for the microphone audio
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const micPercentile10 = this.calculatePercentile(micAnalyzer, 10)
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const micPercentile90 = this.calculatePercentile(micAnalyzer, 90)
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// // Calculate percentiles for the microphone audio
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// const micPercentile10 = this.calculatePercentile(micAnalyzer, 10)
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// const micPercentile90 = this.calculatePercentile(micAnalyzer, 90)
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// Calculate percentiles for audioFile1
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const audioFile1Percentile10 = this.calculatePercentile(
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audioFile1Analyzer,
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10,
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)
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const audioFile1Percentile90 = this.calculatePercentile(
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audioFile1Analyzer,
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90,
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)
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// // Calculate percentiles for audioFile1
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// const audioFile1Percentile10 = this.calculatePercentile(
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// audioFile1Analyzer,
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// 10,
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// )
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// const audioFile1Percentile90 = this.calculatePercentile(
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// audioFile1Analyzer,
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// 90,
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// )
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// Calculate percentiles for audioFile2
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const audioFile2Percentile10 = this.calculatePercentile(
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audioFile2Analyzer,
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10,
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)
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const audioFile2Percentile90 = this.calculatePercentile(
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audioFile2Analyzer,
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90,
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)
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// // Calculate percentiles for audioFile2
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// const audioFile2Percentile10 = this.calculatePercentile(
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// audioFile2Analyzer,
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// 10,
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// )
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// const audioFile2Percentile90 = this.calculatePercentile(
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// audioFile2Analyzer,
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// 90,
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// )
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// Calculate LAF10%-90% for microphone audio, audioFile1, and audioFile2 separately
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const micLAF10_90 = micPercentile10 - micPercentile90
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const audioFile1LAF10_90 = audioFile1Percentile10 - audioFile1Percentile90
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const audioFile2LAF10_90 = audioFile2Percentile10 - audioFile2Percentile90
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// // Calculate LAF10%-90% for microphone audio, audioFile1, and audioFile2 separately
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// const micLAF10_90 = micPercentile10 - micPercentile90
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// const audioFile1LAF10_90 = audioFile1Percentile10 - audioFile1Percentile90
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// const audioFile2LAF10_90 = audioFile2Percentile10 - audioFile2Percentile90
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// Calculate combined LAF10%-90% for microphone audio, audioFile1, and audioFile2
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const combinedLAF10_90 =
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micLAF10_90 + audioFile1LAF10_90 + audioFile2LAF10_90
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// // Calculate combined LAF10%-90% for microphone audio, audioFile1, and audioFile2
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// const combinedLAF10_90 =
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// micLAF10_90 + audioFile1LAF10_90 + audioFile2LAF10_90
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// Add the combined LAF10%-90% to the total
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LAF10_90_total += combinedLAF10_90
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}
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// // Add the combined LAF10%-90% to the total
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// LAF10_90_total += combinedLAF10_90
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// }
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// return LAF10_90_total;
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}
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// // return LAF10_90_total;
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// }
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}
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registerProcessor("octave", OctaveBandProcessor)
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