From 2252c8e944383c19e97b2c7c91ead56a26bb523f Mon Sep 17 00:00:00 2001
From: Jordan Eldredge <jordan@jordaneldredge.com>
Date: Sun, 6 Jan 2019 14:34:58 -0800
Subject: [PATCH] Improve preamp handling

Setting the preamp to the mid point should have no effect.
---
 js/media/index.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/js/media/index.ts b/js/media/index.ts
index 4c4f5680..0704f2c4 100644
--- a/js/media/index.ts
+++ b/js/media/index.ts
@@ -194,9 +194,12 @@ export default class Media {
     this._gainNode.gain.value = volume / 100;
   }
 
-  // From 0-1
+  // From 0 to 100
+  // The input value here is 0-100 which is kinda wrong, since it represents -12db to 12db.
+  // For now, 50 is 0db (no change).
+  // For now we map the values 0-100 to 0.5-1.5
   setPreamp(value: number) {
-    this._preamp.gain.value = value / 100;
+    this._preamp.gain.value = 1 + (value - 50) / 100;
   }
 
   // From -100 to 100