> ## Documentation Index
> Fetch the complete documentation index at: https://ele1.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Audio Filters and Effects

> Apply  DSP effects with 11 presets

## Available Filter Presets

### Bassboost

Heavy low-frequency emphasis for bass-heavy genres.

**Technical Settings:**

* Equalizer bands 0-4: +0.85 to +0.25 gain
* Mid-range reduction: bands 6-9 at -0.15 to -0.05
* Upper frequencies: neutral

### Nightcore

Higher pitch and faster tempo for energetic, anime-style sound.

**Technical Settings:**

* All equalizer bands: +0.15 to +0.85 gain (progressive boost)
* Timescale: 1.25x speed, 1.25x pitch
* Creates signature nightcore effect

### Vaporwave

Slower, dreamy sound with lo-fi aesthetic.

**Technical Settings:**

* Low-end boost: bands 0-3 at +0.5 to +0.2
* Mid reduction: bands 5-7 at -0.2 to -0.1
* Timescale: 0.8x speed, 0.8x pitch
* Creates classic vaporwave slowed effect

### Pop

Optimized for vocal clarity and presence.

**Technical Settings:**

* Low cut: band 0 at -0.15
* Mid boost: bands 1-4 at +0.5 to +0.6
* Upper mid presence: band 5 at +0.3
* Slight high rolloff

### Rock

Enhanced mids and highs for guitar and drums.

**Technical Settings:**

* Strong low-end: bands 0-1 at +0.6 to +0.5
* Mid punch: bands 4-7 at +0.5 to +0.75
* Upper presence: bands 8-13 maintained
* Emphasizes guitar frequencies

### Electronic

Full-spectrum enhancement for synthetic sounds.

**Technical Settings:**

* Heavy bass: bands 0-1 at +0.75 to +0.65
* Mid presence: bands 4-6 at +0.3 to +0.65
* Treble emphasis: bands 7-10 at +0.65 to +0.85
* Bright, punchy sound

### Lofi

Warm, mellow sound with rolled-off highs.

**Technical Settings:**

* Warm low-end: bands 0-4 at +0.5 to +0.15
* Progressive rolloff: bands 5-13 at 0 to -0.5
* Low-pass filter: 20Hz smoothing
* Creates vintage, tape-like quality

### Trap

Massive sub-bass with crisp highs.

**Technical Settings:**

* Extreme bass: bands 0-2 at +0.8 to +0.55
* Mid scoop: bands 3-5 at +0.35 to 0
* Upper presence: bands 6-10 at +0.15 to +0.8
* Signature trap sound

### 8D Audio

Spatial audio effect with rotating sound.

**Technical Settings:**

* Balanced EQ: all bands +0.25 to +0.55
* Rotation: 0.2Hz frequency
* Creates circular panning effect
* Simulates surround sound

### Soft

Gentle, easy-listening profile.

**Technical Settings:**

* Mild low boost: bands 0-4 at +0.2 to +0.4
* Smooth mid presence: band 5 at +0.35
* Gradual rolloff: bands 6-13 from +0.25 to 0
* Reduces harshness

### Treble

Emphasis on high frequencies for clarity.

**Technical Settings:**

* Low cut: bands 0-2 at -0.2 to -0.1
* Progressive boost: bands 3-10 from 0 to +0.85
* Bright, detailed sound
* Excellent vocal intelligibility

## Using Filters

**Access via `/filter` command:**

```text theme={null}
/filter
```

**Interface:**

* Current filter highlighted as "Active"
* Apply button for each inactive filter
* Clear All button to remove filters

### Applying Filters

**Select from Menu:**

1. Run `/filter` to open menu
2. Click Apply on desired preset
3. Filter applies immediately
4. Current track continues without interruption

**Removing Filters:**

* Click "Clear All" button in filter menu
* Resets to neutral audio profile

## Filter Limitations

**Fairplay Mode:**

* Filters are fully disabled when Fairplay is active
* Prevents audio manipulation during fair rotation
* Re-enable by disabling Fairplay mode

**Voice Channel Bitrate:**

* Filters sound best at 128 kbps or higher
* Lower bitrates may introduce artifacts
* Recommend 96 kbps minimum for filtered audio


## Related topics

- [Get Started with Eleven in 3 Easy Steps](/getting-started.md)
- [Eleven Features: Complete Overview](/features/overview.md)
- [Eleven: Feature-Rich Music Streaming for Discord](/introduction.md)
- [Terms of Service](/legal/terms.md)
- [Copyright & Attribution](/legal/copyright.md)