1---
2title: Set Initial Value Before Ramp
3impact: MEDIUM
4tags: envelope, initial, glitch
5---
6 
7## Set Initial Value Before Ramp
8 
9Set initial value before ramping to avoid glitches.
10 
11**Incorrect (no initial value):**
12 
13```ts
14gain.gain.exponentialRampToValueAtTime(0.001, t + 0.05);
15```
16 
17**Correct (initial value set):**
18 
19```ts
20gain.gain.setValueAtTime(0.3, t);
21gain.gain.exponentialRampToValueAtTime(0.001, t + 0.05);
22```
23