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feat: switch track volume to dB scale with Logic Pro-style fader (−∞dB ~ +12dB)

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Xiaohan-Tian
2026-05-01 11:38:35 -07:00
parent 77885c8e2e
commit 95ca3394a8
11 changed files with 265 additions and 59 deletions
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src/core/audio-interface/KGAudioBus.ts
+4 -11
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@@ -283,9 +283,8 @@ export class KGAudioBus {
*/
private updateSamplerVolume(): void {
try {
const effectiveVolume = this.muted ? 0 : this.volume;
const volumeDb = effectiveVolume > 0 ? 20 * Math.log10(effectiveVolume) : -Infinity;
this.sampler.volume.value = volumeDb;
const isSilent = this.muted || this.volume <= AUDIO_INTERFACE_CONSTANTS.MIN_TRACK_VOLUME_DB;
this.sampler.volume.value = isSilent ? -Infinity : this.volume;
} catch (error) {
console.error(`Error updating volume for ${this.instrument}:`, error);
}
@@ -297,14 +296,8 @@ export class KGAudioBus {
*/
public applyEffectiveVolume(hasSoloedTracks: boolean): void {
try {
let effectiveVolume = this.volume;
if (this.muted) {
effectiveVolume = 0;
} else if (hasSoloedTracks && !this.solo) {
effectiveVolume = 0;
}
const volumeDb = effectiveVolume > 0 ? 20 * Math.log10(effectiveVolume) : -Infinity;
this.sampler.volume.value = volumeDb;
const isSilent = this.muted || (hasSoloedTracks && !this.solo) || this.volume <= AUDIO_INTERFACE_CONSTANTS.MIN_TRACK_VOLUME_DB;
this.sampler.volume.value = isSilent ? -Infinity : this.volume;
} catch (error) {
console.error(`Error applying effective volume for ${this.instrument}:`, error);
}