Update README.md

README.md

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-# vocal-range-detector
-Determines vocal range from user audio input
+# Vocal Range Detector
+Determines vocal range from user audio input.
+
+**Step 1: Base Note**
+The user sings a comfortable note in the middle of their voice range.
+
+**Step 2: Sing Higher**
+The user sings from their base note up to the top of their vocal range in half step increments.
+
+**Step 3: Sing Lower**
+The user sings from their base note down to the bottom of their vocal range in half step increments.
+
+Each note must be maintained for two seconds to be accepted. The correct pitch can be played for reference before recording. Once the user fails to maintain a note, the lowest/highest note of their vocal range will be registered.
+
+On the results page, the user can compare their vocal range to those of various female and male voice types.