diff --git a/src/lib.rs b/src/lib.rs
index 08af373..caac1e1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,2 +1,6 @@
 #![no_std]
+mod synthesizer;
 mod wavetable;
+
+//TODO:
+// * patch mod w/ trait Input and trait Output(?)
diff --git a/src/synthesizer.rs b/src/synthesizer.rs
new file mode 100644
index 0000000..9979397
--- /dev/null
+++ b/src/synthesizer.rs
@@ -0,0 +1,21 @@
+use crate::wavetable::Wavetable;
+
+pub trait Synthesizer {}
+
+pub struct SimpleWavetableSynthesizer<W: Wavetable> {
+    wavetable: W,
+    clock_freq_hz: usize,
+    output_freq_hz: usize,
+    enable: bool,
+}
+
+impl<W: Wavetable> SimpleWavetableSynthesizer<W> {
+    pub fn new(wavetable: W, clock_freq_hz: usize) -> Self {
+        Self {
+            wavetable,
+            clock_freq_hz,
+            output_freq_hz: 0,
+            enable: false,
+        }
+    }
+}