change to fat synth, finetune parameters

src/lib/audio/instruments/noiseSynth.ts

@@ -9,7 +9,7 @@ export function createNoiseSynth(volume: number): Tone.NoiseSynth {
 			attack: 0.005,
 			decay: 0.1,
 			sustain: 0,
-			release: 0.1
+			release: 0.3
 		},
 		volume: volume
 	});

src/lib/audio/instruments/padSynth.ts

@@ -3,14 +3,16 @@ import * as Tone from 'tone';
 export function createPadSynth(isDay: boolean): Tone.PolySynth {
 	return new Tone.PolySynth(Tone.Synth, {
 		oscillator: {
-			type: isDay ? 'triangle' : 'sine'
+			type: 'fatsine', // Fat oscillator creates multiple detuned voices for lush sound
+			count: 3, // Number of detuned oscillators
+			spread: 30 // Amount of detune in cents for width and movement
 		},
 		envelope: {
-			attack: 1.5,
+			attack: isDay ? 2.0 : 3.0, // Longer, smoother attack
-			decay: 1,
+			decay: 1.5,
-			sustain: 0.7,
+			sustain: 0.85, // Higher sustain for consistent pad presence
-			release: 1.0
+			release: isDay ? 2.5 : 4.0 // Longer release for smooth tail-off
 		},
-		volume: -20
+		volume: -24 // Quieter to sit back in the mix and reduce mid heaviness
 	});
 }

src/lib/generators/air-quality/AirQualityGen.svelte

@@ -217,7 +217,7 @@
 			onclick={togglePlayback}
 			disabled={!isInitialized}
 		>
-			{isPlaying ? 'Stop' : 'Start'} Air Quality Monitor
+			{isPlaying ? 'Stop' : 'Start'} Air Quality Noise
 		</button>
 
 		{#if isPlaying}

src/lib/generators/weather/WeatherGen.svelte

@@ -42,7 +42,6 @@
 	let reverb: Tone.Reverb | null = null;
 	let delay: Tone.FeedbackDelay | null = null;
 	let filter: Tone.Filter | null = null;
-	let phaser: Tone.Phaser | null = null;
 	let sequence: Tone.Sequence | null = null;
 	let gain: Tone.Gain | null = null;
 	let analyser: Tone.Analyser | null = null;
@@ -62,11 +61,9 @@
 	// Derived reactive values using runes with safe fallbacks
 	const bpm = $derived.by(() => {
 		const temp = temperature2m ?? 20;
-		// BPM starts at 10 for 0°C and increases with temperature
+		// BPM: 5 at 0°C or below, 30 at 30°C or above
-		// Day: more energetic (2x scaling), Night: calmer (1x scaling)
+		const normalizedTemp = Math.max(0, Math.min(30, temp));
-		const tempAboveZero = Math.max(0, temp);
+		return 5 + (normalizedTemp / 30) * 25;
-		const scaledBpm = isDay ? 10 + tempAboveZero * 2 : 10 + tempAboveZero;
-		return Math.max(10, Math.min(200, scaledBpm));
 	});
 
 	const reverbWet = $derived.by(() => {
@@ -88,11 +85,12 @@
 		return Math.max(0.2, Math.min(0.7, (speed / 20) * 0.5 + 0.2));
 	});
 
-	// Filter cutoff: more clouds = darker/lower frequency
+	// Filter cutoff: colder = darker/lower frequency, warmer = brighter/higher frequency
 	const filterCutoff = $derived.by(() => {
-		const cover = cloudCover ?? 30;
+		const temp = temperature2m ?? 20;
-		// Map cloud cover: 0% clouds = 8000Hz (bright), 100% clouds = 400Hz (dark)
+		// Map temperature: 0°C = 400Hz (dark), 30°C = 8000Hz (bright)
-		return Math.max(400, Math.min(8000, 8000 - (cover / 100) * 7600));
+		const normalizedTemp = Math.max(0, Math.min(30, temp));
+		return 400 + (normalizedTemp / 30) * 7600;
 	});
 
 	// Filter resonance: more wind = more resonant
@@ -167,9 +165,11 @@
 			analyser = createAnalyser();
 
 			// Connect audio chain using .chain() for clarity
+			// Synth gets filtered based on temperature
 			synth.chain(filter, delay, reverb, gain, analyser, Tone.Destination);
-			arpSynth.chain(filter, delay, reverb, gain);
+			// Arpeggios bypass filter - only delay and reverb
-			pingSynth.chain(filter, delay, reverb, gain);
+			arpSynth.chain(delay, reverb, gain);
+			pingSynth.chain(delay, reverb, gain);
 			bassSynth.chain(delay, reverb, gain);
 
 			// Generate reverb impulse
@@ -432,10 +432,10 @@
 	});
 </script>
 
-<div class="grid grid-cols-1 md:grid-cols-[300px_1fr] gap-8 p-4 max-w-6xl mx-auto">
+<div class="mx-auto grid max-w-6xl grid-cols-1 gap-8 p-4 md:grid-cols-[300px_1fr]">
 	<div class="flex flex-col gap-4">
 		<button
-			class="px-6 py-3 text-base cursor-crosshair transition-all duration-300 rounded-md border border-white/20 hover:border-white/40 disabled:opacity-50 disabled:cursor-not-allowed {isPlaying
+			class="cursor-crosshair rounded-md border border-white/20 px-6 py-3 text-base transition-all duration-300 hover:border-white/40 disabled:cursor-not-allowed disabled:opacity-50 {isPlaying
 				? 'bg-white text-black'
 				: 'bg-transparent text-white'}"
 			onclick={togglePlayback}
@@ -450,8 +450,8 @@
 				<p class="m-0">Humidity: {relativeHumidity2m}%</p>
 				<p class="m-0">Cloud Cover: {cloudCover}%</p>
 				<p class="m-0">Wind Speed: {windSpeed10m.toFixed(1)} m/s</p>
-				<p class="opacity-40 my-1">---</p>
+				<p class="my-1 opacity-40">---</p>
-				<p class="m-0">BPM: {bpm}</p>
+				<p class="m-0">BPM: {bpm.toFixed(2)}</p>
 				<p class="m-0">Weather Extremity: {(weatherExtremity * 100).toFixed(0)}%</p>
 				<p class="m-0">Reverb: {reverbWet.toFixed(2)}</p>
 				<p class="m-0">Delay: {delayTime} @ {delayFeedback.toFixed(2)} feedback</p>