feat(audioVisualizer): 增加最大分贝门槛配置并优化频段增强
在音频可视化工具中新增 `maxDecibels` 配置项,用于调整最大分贝门槛。同时优化频段增强逻辑,简化频率范围定义,并更新测试数据以支持六频段模拟。这些改动提升了音频可视化的灵活性和准确性。
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@ -89,9 +89,13 @@ function updateCurrentTime() {
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console.log('[Player] 初始化 audioVisualizer')
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const { barHeights, connectAudio, isAnalyzing, error } = audioVisualizer({
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sensitivity: 1.5,
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barCount: 6,
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debug: true
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sensitivity: 1.5,
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barCount: 6,
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maxDecibels: -10,
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bassBoost: 0.8,
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midBoost: 1.2,
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trebleBoost: 1.4,
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threshold: 0
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})
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console.log('[Player] audioVisualizer 返回值:', { barHeights: barHeights.value, isAnalyzing: isAnalyzing.value })
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@ -11,18 +11,19 @@ interface AudioVisualizerOptions {
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trebleBoost?: number // 高音增强倍数 (默认 1.5)
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threshold?: number // 响度门槛 (0-255,默认 15)
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minHeight?: number // 最小高度百分比 (默认 0)
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maxDecibels?: number // 最大分贝门槛 (默认 -10,越大越难顶满)
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}
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export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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const {
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sensitivity = 0.5,
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sensitivity = 1,
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smoothing = 0.7,
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barCount = 4,
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debug = false,
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bassBoost = 0.7, // 降低低音权重
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midBoost = 1.2, // 提升中音
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trebleBoost = 1.5, // 提升高音
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threshold = 0, // 响度门槛,低于此值不产生波动
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threshold = 15, // 响度门槛,低于此值不产生波动
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minHeight = 0 // 最小高度百分比
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} = options
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@ -90,13 +91,14 @@ export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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analyser.fftSize = 2048 // 增加分辨率
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analyser.smoothingTimeConstant = smoothing
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analyser.minDecibels = -100 // 更低的最小分贝
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analyser.maxDecibels = -10 // 调整最大分贝范围
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analyser.maxDecibels = options.maxDecibels || -10 // 使用配置的最大分贝门槛
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log('分析器配置:', {
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fftSize: analyser.fftSize,
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frequencyBinCount: analyser.frequencyBinCount,
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sampleRate: audioContext.sampleRate,
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frequencyResolution: audioContext.sampleRate / analyser.fftSize
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frequencyResolution: audioContext.sampleRate / analyser.fftSize,
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maxDecibels: analyser.maxDecibels
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})
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// 连接音频节点
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@ -168,12 +170,10 @@ export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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// 定义人耳感知的频率范围 (Hz)
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const frequencyRanges = [
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{ min: 20, max: 150, name: '超低音' }, // 超低音
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{ min: 150, max: 400, name: '低音' }, // 低音
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{ min: 400, max: 1500, name: '中低音' }, // 中低音
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{ min: 1500, max: 4000, name: '中音' }, // 中音
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{ min: 4000, max: 8000, name: '中高音' }, // 中高音
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{ min: 8000, max: 20000, name: '高音' } // 高音
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{ min: 20, max: 250, name: '低音' }, // 低音
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{ min: 250, max: 2000, name: '中低音' }, // 中低音
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{ min: 2000, max: 8000, name: '中高音' }, // 中高音
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{ min: 8000, max: 20000, name: '高音' } // 高音
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]
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for (let i = 0; i < bands; i++) {
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@ -210,7 +210,8 @@ export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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// 应用频段特定的增强和门槛
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function applyFrequencyEnhancement(bands: number[]): number[] {
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const boosts = [bassBoost, midBoost, trebleBoost, trebleBoost]
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// 六个频段的增强倍数
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const boosts = [bassBoost, bassBoost, midBoost, midBoost, trebleBoost, trebleBoost]
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return bands.map((value, index) => {
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// 应用响度门槛
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@ -292,19 +293,21 @@ export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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// 手动测试数据
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function testWithFakeData() {
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log('🧪 开始平衡频谱模拟测试')
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log('🧪 开始六频段模拟测试')
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isAnalyzing.value = true
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let testCount = 0
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const maxTests = 50
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const fakeInterval = setInterval(() => {
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// 模拟更平衡的频谱数据
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// 模拟六个频段的数据
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barHeights.value = [
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Math.random() * 50 + 10, // 超低音:10-60
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Math.random() * 60 + 20, // 低音:20-80
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Math.random() * 80 + 10, // 中低音:10-90
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Math.random() * 90 + 5, // 中高音:5-95
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Math.random() * 70 + 15 // 高音:15-85
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Math.random() * 70 + 15, // 中低音:15-85
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Math.random() * 80 + 10, // 中音:10-90
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Math.random() * 75 + 10, // 中高音:10-85
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Math.random() * 65 + 15 // 高音:15-80
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]
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testCount++
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@ -318,14 +321,22 @@ export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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}
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// 动态调整增强参数和门槛
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function updateEnhancement(bass: number, mid: number, treble: number, newThreshold?: number) {
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function updateEnhancement(bass: number, mid: number, treble: number, newThreshold?: number, newMaxDecibels?: number) {
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options.bassBoost = bass
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options.midBoost = mid
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options.trebleBoost = treble
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if (newThreshold !== undefined) {
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options.threshold = newThreshold
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}
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log('更新频段增强:', { bass, mid, treble, threshold: options.threshold })
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if (newMaxDecibels !== undefined) {
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options.maxDecibels = newMaxDecibels
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// 如果分析器已经初始化,更新其配置
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if (analyser) {
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analyser.maxDecibels = newMaxDecibels
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log('实时更新 maxDecibels:', newMaxDecibels)
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}
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}
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log('更新频段增强:', { bass, mid, treble, threshold: options.threshold, maxDecibels: options.maxDecibels })
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}
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// 设置响度门槛
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@ -334,6 +345,15 @@ export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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log('更新响度门槛:', options.threshold)
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}
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// 设置最大分贝门槛
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function setMaxDecibels(newMaxDecibels: number) {
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options.maxDecibels = Math.max(-100, Math.min(0, newMaxDecibels))
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if (analyser) {
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analyser.maxDecibels = options.maxDecibels
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}
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log('更新最大分贝门槛:', options.maxDecibels)
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}
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// 组件卸载时清理
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onUnmounted(() => {
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disconnectAudio()
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@ -350,6 +370,7 @@ export function audioVisualizer(options: AudioVisualizerOptions = {}) {
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stopAnalysis,
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testWithFakeData,
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updateEnhancement,
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setThreshold
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setThreshold,
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setMaxDecibels
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}
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}
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