Feat: audio input channel selection

crates/forth/src/words/effects.rs

@@ -454,6 +454,36 @@ pub(super) const WORDS: &[Word] = &[
         compile: Param,
         varargs: true,
     },
+    Word {
+        name: "eqlofreq",
+        aliases: &[],
+        category: "Filter",
+        stack: "(v.. --)",
+        desc: "Set low shelf frequency (Hz)",
+        example: "400 eqlofreq",
+        compile: Param,
+        varargs: true,
+    },
+    Word {
+        name: "eqmidfreq",
+        aliases: &[],
+        category: "Filter",
+        stack: "(v.. --)",
+        desc: "Set mid peak frequency (Hz)",
+        example: "2000 eqmidfreq",
+        compile: Param,
+        varargs: true,
+    },
+    Word {
+        name: "eqhifreq",
+        aliases: &[],
+        category: "Filter",
+        stack: "(v.. --)",
+        desc: "Set high shelf frequency (Hz)",
+        example: "8000 eqhifreq",
+        compile: Param,
+        varargs: true,
+    },
     Word {
         name: "tilt",
         aliases: &[],

crates/forth/src/words/sound.rs

@@ -246,6 +246,16 @@ pub(super) const WORDS: &[Word] = &[
         compile: Param,
         varargs: true,
     },
+    Word {
+        name: "inchan",
+        aliases: &[],
+        category: "Sample",
+        stack: "(v.. --)",
+        desc: "Select input channel for live input (0-indexed)",
+        example: "0 inchan",
+        compile: Param,
+        varargs: true,
+    },
     Word {
         name: "cut",
         aliases: &[],