diff --git a/Cargo.lock b/Cargo.lock
index 45a3bc8..2975a45 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,9 +28,9 @@ dependencies = [
  "accesskit",
  "accesskit_consumer",
  "hashbrown",
- "objc2",
+ "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -438,8 +438,8 @@ dependencies = [
  "bevy_math",
  "bevy_reflect",
  "bevy_transform",
- "cpal",
- "rodio",
+ "cpal 0.15.3",
+ "rodio 0.20.1",
  "tracing",
 ]
 
@@ -1139,6 +1139,9 @@ name = "bevy_test"
 version = "0.1.0"
 dependencies = [
  "bevy",
+ "cpal 0.16.0",
+ "crossbeam-channel",
+ "rodio 0.21.1",
 ]
 
 [[package]]
@@ -1412,7 +1415,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2c132eebf10f5cad5289222520a4a058514204aed6d791f1cf4fe8088b82d15f"
 dependencies = [
- "objc2",
+ "objc2 0.5.2",
 ]
 
 [[package]]
@@ -1672,6 +1675,20 @@ dependencies = [
  "coreaudio-sys",
 ]
 
+[[package]]
+name = "coreaudio-rs"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aae284fbaf7d27aa0e292f7677dfbe26503b0d555026f702940805a630eac17"
+dependencies = [
+ "bitflags 1.3.2",
+ "libc",
+ "objc2-audio-toolbox",
+ "objc2-core-audio",
+ "objc2-core-audio-types",
+ "objc2-core-foundation",
+]
+
 [[package]]
 name = "coreaudio-sys"
 version = "0.2.17"
@@ -1712,7 +1729,7 @@ checksum = "873dab07c8f743075e57f524c583985fbaf745602acbe916a01539364369a779"
 dependencies = [
  "alsa",
  "core-foundation-sys",
- "coreaudio-rs",
+ "coreaudio-rs 0.11.3",
  "dasp_sample",
  "jni",
  "js-sys",
@@ -1727,6 +1744,32 @@ dependencies = [
  "windows 0.54.0",
 ]
 
+[[package]]
+name = "cpal"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbd307f43cc2a697e2d1f8bc7a1d824b5269e052209e28883e5bc04d095aaa3f"
+dependencies = [
+ "alsa",
+ "coreaudio-rs 0.13.0",
+ "dasp_sample",
+ "jni",
+ "js-sys",
+ "libc",
+ "mach2",
+ "ndk 0.9.0",
+ "ndk-context",
+ "num-derive",
+ "num-traits",
+ "objc2-audio-toolbox",
+ "objc2-core-audio",
+ "objc2-core-audio-types",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows 0.54.0",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -1827,6 +1870,16 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd0c93bb4b0c6d9b77f4435b0ae98c24d17f1c45b2ff844c6151a07256ca923b"
 
+[[package]]
+name = "dispatch2"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89a09f22a6c6069a18470eb92d2298acf25463f14256d24778e1230d789a2aec"
+dependencies = [
+ "bitflags 2.9.3",
+ "objc2 0.6.2",
+]
+
 [[package]]
 name = "disqualified"
 version = "1.0.0"
@@ -1901,6 +1954,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "encoding_rs"
+version = "0.8.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -1957,6 +2019,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "extended"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af9673d8203fcb076b19dfd17e38b3d4ae9f44959416ea532ce72415a6020365"
+
 [[package]]
 name = "fastrand"
 version = "2.3.0"
@@ -2953,6 +3021,16 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
+dependencies = [
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-derive"
 version = "0.4.2"
@@ -2964,6 +3042,26 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f83d14da390562dca69fc84082e73e548e1ad308d24accdedd2720017cb37824"
+dependencies = [
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -3021,6 +3119,15 @@ dependencies = [
  "objc2-encode",
 ]
 
+[[package]]
+name = "objc2"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "561f357ba7f3a2a61563a186a163d0a3a5247e1089524a3981d49adb775078bc"
+dependencies = [
+ "objc2-encode",
+]
+
 [[package]]
 name = "objc2-app-kit"
 version = "0.2.2"
@@ -3030,13 +3137,28 @@ dependencies = [
  "bitflags 2.9.3",
  "block2",
  "libc",
- "objc2",
+ "objc2 0.5.2",
  "objc2-core-data",
  "objc2-core-image",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-quartz-core",
 ]
 
+[[package]]
+name = "objc2-audio-toolbox"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10cbe18d879e20a4aea544f8befe38bcf52255eb63d3f23eca2842f3319e4c07"
+dependencies = [
+ "bitflags 2.9.3",
+ "libc",
+ "objc2 0.6.2",
+ "objc2-core-audio",
+ "objc2-core-audio-types",
+ "objc2-core-foundation",
+ "objc2-foundation 0.3.1",
+]
+
 [[package]]
 name = "objc2-cloud-kit"
 version = "0.2.2"
@@ -3045,9 +3167,9 @@ checksum = "74dd3b56391c7a0596a295029734d3c1c5e7e510a4cb30245f8221ccea96b009"
 dependencies = [
  "bitflags 2.9.3",
  "block2",
- "objc2",
+ "objc2 0.5.2",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3057,8 +3179,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5ff520e9c33812fd374d8deecef01d4a840e7b41862d849513de77e44aa4889"
 dependencies = [
  "block2",
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
+]
+
+[[package]]
+name = "objc2-core-audio"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca44961e888e19313b808f23497073e3f6b3c22bb485056674c8b49f3b025c82"
+dependencies = [
+ "dispatch2",
+ "objc2 0.6.2",
+ "objc2-core-audio-types",
+ "objc2-core-foundation",
+]
+
+[[package]]
+name = "objc2-core-audio-types"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0f1cc99bb07ad2ddb6527ddf83db6a15271bb036b3eb94b801cd44fdc666ee1"
+dependencies = [
+ "bitflags 2.9.3",
+ "objc2 0.6.2",
 ]
 
 [[package]]
@@ -3069,8 +3213,8 @@ checksum = "617fbf49e071c178c0b24c080767db52958f716d9eabdf0890523aeae54773ef"
 dependencies = [
  "bitflags 2.9.3",
  "block2",
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3080,6 +3224,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c10c2894a6fed806ade6027bcd50662746363a9589d3ec9d9bef30a4e4bc166"
 dependencies = [
  "bitflags 2.9.3",
+ "dispatch2",
+ "objc2 0.6.2",
 ]
 
 [[package]]
@@ -3089,8 +3235,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55260963a527c99f1819c4f8e3b47fe04f9650694ef348ffd2227e8196d34c80"
 dependencies = [
  "block2",
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
  "objc2-metal",
 ]
 
@@ -3101,9 +3247,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "000cfee34e683244f284252ee206a27953279d370e309649dc3ee317b37e5781"
 dependencies = [
  "block2",
- "objc2",
+ "objc2 0.5.2",
  "objc2-contacts",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3122,7 +3268,16 @@ dependencies = [
  "block2",
  "dispatch",
  "libc",
- "objc2",
+ "objc2 0.5.2",
+]
+
+[[package]]
+name = "objc2-foundation"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "900831247d2fe1a09a683278e5384cfb8c80c79fe6b166f9d14bfdde0ea1b03c"
+dependencies = [
+ "objc2 0.6.2",
 ]
 
 [[package]]
@@ -3132,9 +3287,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1a1ae721c5e35be65f01a03b6d2ac13a54cb4fa70d8a5da293d7b0020261398"
 dependencies = [
  "block2",
- "objc2",
+ "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3145,8 +3300,8 @@ checksum = "dd0cba1276f6023976a406a14ffa85e1fdd19df6b0f737b063b95f6c8c7aadd6"
 dependencies = [
  "bitflags 2.9.3",
  "block2",
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3157,8 +3312,8 @@ checksum = "e42bee7bff906b14b167da2bac5efe6b6a07e6f7c0a21a7308d40c960242dc7a"
 dependencies = [
  "bitflags 2.9.3",
  "block2",
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
  "objc2-metal",
 ]
 
@@ -3168,8 +3323,8 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a684efe3dec1b305badae1a28f6555f6ddd3bb2c2267896782858d5a78404dc"
 dependencies = [
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3180,12 +3335,12 @@ checksum = "b8bb46798b20cd6b91cbd113524c490f1686f4c4e8f49502431415f3512e2b6f"
 dependencies = [
  "bitflags 2.9.3",
  "block2",
- "objc2",
+ "objc2 0.5.2",
  "objc2-cloud-kit",
  "objc2-core-data",
  "objc2-core-image",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-link-presentation",
  "objc2-quartz-core",
  "objc2-symbols",
@@ -3200,8 +3355,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "44fa5f9748dbfe1ca6c0b79ad20725a11eca7c2218bceb4b005cb1be26273bfe"
 dependencies = [
  "block2",
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3212,9 +3367,9 @@ checksum = "76cfcbf642358e8689af64cee815d139339f3ed8ad05103ed5eaf73db8d84cb3"
 dependencies = [
  "bitflags 2.9.3",
  "block2",
- "objc2",
+ "objc2 0.5.2",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -3633,10 +3788,22 @@ version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7ceb6607dd738c99bc8cb28eff249b7cd5c8ec88b9db96c0608c1480d140fb1"
 dependencies = [
- "cpal",
+ "cpal 0.15.3",
  "lewton",
 ]
 
+[[package]]
+name = "rodio"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e40ecf59e742e03336be6a3d53755e789fd05a059fa22dfa0ed624722319e183"
+dependencies = [
+ "cpal 0.16.0",
+ "dasp_sample",
+ "num-rational",
+ "symphonia",
+]
+
 [[package]]
 name = "ron"
 version = "0.8.1"
@@ -3926,6 +4093,153 @@ dependencies = [
  "zeno",
 ]
 
+[[package]]
+name = "symphonia"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "815c942ae7ee74737bb00f965fa5b5a2ac2ce7b6c01c0cc169bbeaf7abd5f5a9"
+dependencies = [
+ "lazy_static",
+ "symphonia-bundle-flac",
+ "symphonia-bundle-mp3",
+ "symphonia-codec-aac",
+ "symphonia-codec-pcm",
+ "symphonia-codec-vorbis",
+ "symphonia-core",
+ "symphonia-format-isomp4",
+ "symphonia-format-ogg",
+ "symphonia-format-riff",
+ "symphonia-metadata",
+]
+
+[[package]]
+name = "symphonia-bundle-flac"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72e34f34298a7308d4397a6c7fbf5b84c5d491231ce3dd379707ba673ab3bd97"
+dependencies = [
+ "log",
+ "symphonia-core",
+ "symphonia-metadata",
+ "symphonia-utils-xiph",
+]
+
+[[package]]
+name = "symphonia-bundle-mp3"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c01c2aae70f0f1fb096b6f0ff112a930b1fb3626178fba3ae68b09dce71706d4"
+dependencies = [
+ "lazy_static",
+ "log",
+ "symphonia-core",
+ "symphonia-metadata",
+]
+
+[[package]]
+name = "symphonia-codec-aac"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdbf25b545ad0d3ee3e891ea643ad115aff4ca92f6aec472086b957a58522f70"
+dependencies = [
+ "lazy_static",
+ "log",
+ "symphonia-core",
+]
+
+[[package]]
+name = "symphonia-codec-pcm"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f395a67057c2ebc5e84d7bb1be71cce1a7ba99f64e0f0f0e303a03f79116f89b"
+dependencies = [
+ "log",
+ "symphonia-core",
+]
+
+[[package]]
+name = "symphonia-codec-vorbis"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a98765fb46a0a6732b007f7e2870c2129b6f78d87db7987e6533c8f164a9f30"
+dependencies = [
+ "log",
+ "symphonia-core",
+ "symphonia-utils-xiph",
+]
+
+[[package]]
+name = "symphonia-core"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "798306779e3dc7d5231bd5691f5a813496dc79d3f56bf82e25789f2094e022c3"
+dependencies = [
+ "arrayvec",
+ "bitflags 1.3.2",
+ "bytemuck",
+ "lazy_static",
+ "log",
+]
+
+[[package]]
+name = "symphonia-format-isomp4"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abfdf178d697e50ce1e5d9b982ba1b94c47218e03ec35022d9f0e071a16dc844"
+dependencies = [
+ "encoding_rs",
+ "log",
+ "symphonia-core",
+ "symphonia-metadata",
+ "symphonia-utils-xiph",
+]
+
+[[package]]
+name = "symphonia-format-ogg"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ada3505789516bcf00fc1157c67729eded428b455c27ca370e41f4d785bfa931"
+dependencies = [
+ "log",
+ "symphonia-core",
+ "symphonia-metadata",
+ "symphonia-utils-xiph",
+]
+
+[[package]]
+name = "symphonia-format-riff"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f7be232f962f937f4b7115cbe62c330929345434c834359425e043bfd15f50"
+dependencies = [
+ "extended",
+ "log",
+ "symphonia-core",
+ "symphonia-metadata",
+]
+
+[[package]]
+name = "symphonia-metadata"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc622b9841a10089c5b18e99eb904f4341615d5aa55bbf4eedde1be721a4023c"
+dependencies = [
+ "encoding_rs",
+ "lazy_static",
+ "log",
+ "symphonia-core",
+]
+
+[[package]]
+name = "symphonia-utils-xiph"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "484472580fa49991afda5f6550ece662237b00c6f562c7d9638d1b086ed010fe"
+dependencies = [
+ "symphonia-core",
+ "symphonia-metadata",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.106"
@@ -5027,9 +5341,9 @@ dependencies = [
  "js-sys",
  "libc",
  "ndk 0.9.0",
- "objc2",
+ "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-ui-kit",
  "orbclient",
  "percent-encoding",
diff --git a/Cargo.toml b/Cargo.toml
index 04f14a7..ca1bc1c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,9 @@
 
 [dependencies]
 	bevy = { version = "0.16", features = ["file_watcher"] }
+	cpal = "0.16"
+	crossbeam-channel = "0.5"
+	rodio = "0.21"
 
 # Enable a small amount of optimization in the dev profile.
 [profile.dev]
diff --git a/assets/shaders/default.wgsl b/assets/shaders/default.wgsl
index 75962f9..2a5e7f5 100644
--- a/assets/shaders/default.wgsl
+++ b/assets/shaders/default.wgsl
@@ -1,19 +1,48 @@
 #import bevy_sprite::mesh2d_vertex_output::VertexOutput
 
 @group(2) @binding(0) var<uniform> u_time: f32;
-@group(2) @binding(1) var<uniform> u_resolution: vec2<f32>;
-@group(2) @binding(2) var<uniform> u_mouse_position: vec2<f32>;
+@group(2) @binding(1) var<uniform> u_resolution: vec2f;
+@group(2) @binding(2) var<uniform> u_mouse_position: vec2f;
+
+fn lerp(v0: f32, v1: f32, t: f32) -> f32 {
+  return v0 + t * (v1 - v0);
+}
 
 @fragment
-fn fragment(mesh: VertexOutput) -> @location(0) vec4<f32> {
-    var uv = mesh.uv * 2 - 1;
-    uv.x = uv.x * (u_resolution.x / u_resolution.y);
+fn fragment(mesh: VertexOutput) -> @location(0) vec4f {
+    var uv = vec2f(lerp(-2, 0.47, mesh.uv.x), lerp(-1.12, 1.12, mesh.uv.y));
 
-    let red = vec3<f32>(1, 0, 0);
-    let blue = vec3<f32>(0, 0, 1.0);
+    // Progressive time-based zoom toward the known interesting point
+    // c = -0.743643887037151 + 0.13182590420533i
+    let center = vec2f(-0.743643887037151, 0.13182590420533);
+    let zoomSpeed: f32 = 0.2; // tune this to control how fast we zoom
+    let zoom = exp(u_time * zoomSpeed); // zoom factor grows with time
+    let c = center + (uv - center) / zoom; // move coordinates toward center as zoom increases
 
-    let t = step(0.2 + u_mouse_position.x / u_resolution.x, length(uv));
+    var zx = 0.0;
+    var zy = 0.0;
+    let maxIter: i32 = 100 + i32(u_time);
+    var it: i32 = 0;
 
-    let color = mix(red, blue, t);
-    return vec4<f32>(color, 1);
+    for (var i: i32 = 0; i < maxIter; i = i + 1) {
+        let x = zx * zx - zy * zy + c.x;
+        let y = 2.0 * zx * zy + c.y;
+        zx = x;
+        zy = y;
+        if (zx * zx + zy * zy > 4.0) {
+            it = i;
+            break;
+        }
+    }
+
+    let t = f32(it) / f32(maxIter);
+
+    let palette = vec3f(0.5) + 0.5 * cos(6.2831853 * (vec3f(0.0, 0.33, 0.66) + t * 1.5) + u_time * 0.2);
+
+    var color = vec3f(0, 0, 0);
+    if (t < 0.999999) {
+        color = palette;
+    }
+    
+    return vec4f(color, 1);
 }
diff --git a/src/audio_input.rs b/src/audio_input.rs
new file mode 100644
index 0000000..45931e7
--- /dev/null
+++ b/src/audio_input.rs
@@ -0,0 +1,130 @@
+use {
+    bevy::prelude::*,
+    cpal::{
+        FromSample, Sample, SizedSample,
+        traits::{DeviceTrait, HostTrait, StreamTrait},
+    },
+    crossbeam_channel::{Receiver, Sender},
+};
+
+/// Event carrying interleaved mic samples as f32 in the device's native
+/// sample rate and channel layout.
+#[derive(Event, Debug, Clone)]
+pub struct MicData {
+    pub samples: Vec<f32>,
+    pub sample_rate: u32,
+    pub channels: u16,
+}
+
+pub fn handle_mic_events(mut reader: EventReader<MicData>) {
+    for event in reader.read() {
+        // Process mic data here.
+        // For example, print the number of samples received.
+        println!(
+            "Received mic data: {} samples at {} Hz, {} channels",
+            event.samples.len(),
+            event.sample_rate,
+            event.channels
+        );
+    }
+}
+
+/// Holds the CPAL stream alive and a channel for transferring audio to Bevy world.
+#[derive(Resource)]
+struct MicStream {
+    rx: Receiver<Vec<f32>>,
+    #[allow(dead_code)]
+    stream: cpal::Stream, // kept to prevent drop
+    sample_rate: u32,
+    channels: u16,
+}
+
+pub struct AudioInputPlugin;
+
+impl Plugin for AudioInputPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_event::<MicData>()
+            .add_systems(Startup, init_audio_input_stream)
+            .add_systems(Update, pump_mic_events);
+    }
+}
+
+fn init_audio_input_stream(mut commands: Commands) {
+    let default_host = cpal::default_host();
+
+    let default_device = default_host
+        .default_input_device()
+        .expect("Failed to get default input device");
+
+    let default_input_config = default_device
+        .default_input_config()
+        .expect("Failed to get default input config");
+
+    let sample_rate = default_input_config.sample_rate().0;
+    let channels = default_input_config.channels();
+
+    let config = default_input_config.config();
+    let (tx, rx) = crossbeam_channel::unbounded::<Vec<f32>>();
+
+    let stream = match default_input_config.sample_format() {
+        cpal::SampleFormat::F32 => build_input_stream::<f32>(&default_device, &config, tx),
+        cpal::SampleFormat::I16 => build_input_stream::<i16>(&default_device, &config, tx),
+        cpal::SampleFormat::U16 => build_input_stream::<u16>(&default_device, &config, tx),
+        other => panic!("Unsupported sample format: {other:?}"),
+    }
+    .expect("Failed to build input stream");
+
+    stream.play().expect("Failed to play input stream");
+
+    info!(
+        "Mic stream started: {} ch @ {} Hz (default OS input)",
+        channels, sample_rate
+    );
+
+    commands.insert_resource(MicStream {
+        rx,
+        stream,
+        sample_rate,
+        channels,
+    });
+}
+
+/// Helper to build a typed CPAL input stream and forward f32 samples via channel.
+fn build_input_stream<T>(
+    device: &cpal::Device,
+    config: &cpal::StreamConfig,
+    tx: Sender<Vec<f32>>,
+) -> Result<cpal::Stream, cpal::BuildStreamError>
+where
+    T: SizedSample + Sample,
+    f32: FromSample<T>,
+{
+    device.build_input_stream(
+        config,
+        move |data: &[T], _| {
+            // Convert to f32 and ship to the main thread.
+            // NOTE: allocate-per-callback is simple; use a ring buffer for lower GC/latency if needed.
+            let mut out = Vec::with_capacity(data.len());
+            for &s in data {
+                out.push(f32::from_sample(s));
+            }
+            // Ignore send errors if receiver was dropped.
+            let _ = tx.send(out);
+        },
+        move |err| {
+            eprintln!("CPAL input stream error: {err}");
+        },
+        Some(std::time::Duration::from_millis(10)), // latency
+    )
+}
+
+fn pump_mic_events(mic: Res<MicStream>, mut writer: EventWriter<MicData>) {
+    // Drain any available audio buffers without blocking the frame.
+    while let Ok(samples) = mic.rx.try_recv() {
+        writer.write(MicData {
+            samples,
+            sample_rate: mic.sample_rate,
+            channels: mic.channels,
+        });
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index bf00114..7517bd7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 //! A shader that uses the WGSL shading language.
+mod audio_input;
 mod material;
 mod systems;
 
@@ -11,12 +12,14 @@ fn main() {
         .add_plugins((
             DefaultPlugins,
             Material2dPlugin::<CustomMaterial>::default(),
+            audio_input::AudioInputPlugin,
         ))
         .add_systems(Startup, systems::setup)
         .add_systems(
             Update,
             (
                 material::update_material_time,
+                audio_input::handle_mic_events,
                 systems::screen_resized,
                 systems::mouse_moved,
                 systems::exit_app.run_if(input_just_pressed(KeyCode::Escape)),