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● Knowledge Base · Panels

AI Generator F4

Generate sound effects and speech inside basehead, and spin AI variations of your own sounds. SFX and Speech run on ElevenLabs… the Variator (and SFX on the Stability provider) run on Stability AI (Stable Audio). Available on all Premium editions.

AI Generator icon

Three modes — SFX, Speech, and Variator. Open the panel via the View menu or F4.

SFX

Generate sound effects from a text prompt with control over duration, seed, and prompt influence.

Speech

Generate speech using a selected voice model with stability, similarity, and expression controls.

Variator Stability AI

Make AI variations of a sound you already have — select it in Results or the Taglist and the Variator re-generates it through Stability Stable Audio (audio-to-audio).

SFX generator panel
SFX
Speech generator panel
Speech
Variator generator panel
Variator

API key

  • API Key Input — paste your ElevenLabs API key to enable generation.
  • Get API Key button — opens a free signup link (affiliate link, supports basehead).
  • Subscription Info button — shows your ElevenLabs subscription tier, usage, and available features.
  • Stability AI (Stable Audio) — required for the Variator and for SFX on the Stability provider. Add your key in Options → AI (get a key). A missing key shows an orange banner naming the provider… clicking it opens Options → AI.
  • Get credits… — when your ElevenLabs or Stability credits run out, Generate is disabled and this button appears beside it, opening the provider’s billing page. Generate comes back on its own once you top up.

Generation options

Add to Taglist

Sends generated files to the active Taglist for quick previewing. If off, the output folder opens in Finder / Explorer when generation completes.

Use Custom Path

Specifies a custom output folder for generated files. If blank, files go to the global Transfer Path.

Share to Community Library (SFX only)

Uploads a copy of the generated file to our server for possible inclusion in a future free basehead community library. Adds a few seconds of upload time per file.

Settings

SFX

Provider

ElevenLabs or Stability (Stable Audio). On Stability the Duration becomes whole seconds (1–30 s) with a Model and Seed… the ElevenLabs-only controls (sub-second Duration, Prompt Influence) hide.

Duration

0.1 to 22 seconds.

Seed value

Set a seed for consistent results, or leave at 0 for random.

Prompt Influence

How closely the result follows your prompt text.

Variations

Number of variations to generate per prompt.

Speech

Voice Selection

Pick from voices available in your ElevenLabs account.

Voice Stability

Higher values = more consistent results.

Voice Similarity

How closely the output matches the source voice character.

Voice Expression

Adjusts emotional range and expressiveness.

Speaker Boost

Toggle to enhance audio output.

Model Selection

Choose between ElevenLabs’ speech models.

Variator Stability AI

Select a sound in Results or the Taglist and make AI variations of it through Stability Stable Audio. The source audio is the anchor… you just steer how the takes differ.

How it works

  • Source — follows whatever is selected in Results / Taglist while the panel is in Variator mode. Takes it just made are skipped, so the source stays on the original. Cloud sounds (CloudPacks, PSE, AudioRiver) work too and are fetched when you Generate.
  • Base prompt — the AI is always told what the sound is, from a base prompt built automatically from the source. Base prompt from: Description | File Name picks which.
  • Input Text is optional — it only adds how the takes should differ (e.g. “more gritty and hissy, in your face”).
  • Similarity to source — 0.2 (Close) to 0.8 (Loose). Auto (on by default) goes closer with no extra text and looser the more you add. With several takes, each runs at a slightly different similarity around your setting, so the set varies in how far it strays, not just in seed.

Takes & output

  • Number of Variations — 1 to 10 (default 4). Each take is its own file with its own seed: <source>_var01.wav, _var02.wav… They all run at once, and if one fails the others still land.
  • Model — stable-audio-3. Newer Stability models show up in the dropdown automatically.
  • Save beside the source file (not available for cloud sources) and Match source sample rate / bit depth / channels.
  • Each take inherits the source’s metadata (category, keywords, library, designer and the rest). Its description becomes <source description> AI variation, and its notes record the source, model, similarity and seed used.

Cost & credits. 26 credits per take — the cost line shows the total (4 takes = 104 credits). The credits label shows your Stability balance and refreshes after each run.