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+---
+name: audiocraft-audio-generation
+description: "AudioCraft: MusicGen text-to-music, AudioGen text-to-sound."
+version: 1.0.0
+author: Orchestra Research
+license: MIT
+dependencies: [audiocraft, torch>=2.0.0, transformers>=4.30.0]
+platforms: [linux, macos]
+metadata:
+  hermes:
+    tags: [Multimodal, Audio Generation, Text-to-Music, Text-to-Audio, MusicGen]
+
+---
+
+# AudioCraft: Audio Generation
+
+Comprehensive guide to using Meta's AudioCraft for text-to-music and text-to-audio generation with MusicGen, AudioGen, and EnCodec.
+
+## When to use AudioCraft
+
+**Use AudioCraft when:**
+- Need to generate music from text descriptions
+- Creating sound effects and environmental audio
+- Building music generation applications
+- Need melody-conditioned music generation
+- Want stereo audio output
+- Require controllable music generation with style transfer
+
+**Key features:**
+- **MusicGen**: Text-to-music generation with melody conditioning
+- **AudioGen**: Text-to-sound effects generation
+- **EnCodec**: High-fidelity neural audio codec
+- **Multiple model sizes**: Small (300M) to Large (3.3B)
+- **Stereo support**: Full stereo audio generation
+- **Style conditioning**: MusicGen-Style for reference-based generation
+
+**Use alternatives instead:**
+- **Stable Audio**: For longer commercial music generation
+- **Bark**: For text-to-speech with music/sound effects
+- **Riffusion**: For spectogram-based music generation
+- **OpenAI Jukebox**: For raw audio generation with lyrics
+
+## Quick start
+
+### Installation
+
+```bash
+# From PyPI
+pip install audiocraft
+
+# From GitHub (latest)
+pip install git+https://github.com/facebookresearch/audiocraft.git
+
+# Or use HuggingFace Transformers
+pip install transformers torch torchaudio
+```
+
+### Basic text-to-music (AudioCraft)
+
+```python
+import torchaudio
+from audiocraft.models import MusicGen
+
+# Load model
+model = MusicGen.get_pretrained('facebook/musicgen-small')
+
+# Set generation parameters
+model.set_generation_params(
+    duration=8,  # seconds
+    top_k=250,
+    temperature=1.0
+)
+
+# Generate from text
+descriptions = ["happy upbeat electronic dance music with synths"]
+wav = model.generate(descriptions)
+
+# Save audio
+torchaudio.save("output.wav", wav[0].cpu(), sample_rate=32000)
+```
+
+### Using HuggingFace Transformers
+
+```python
+from transformers import AutoProcessor, MusicgenForConditionalGeneration
+import scipy
+
+# Load model and processor
+processor = AutoProcessor.from_pretrained("facebook/musicgen-small")
+model = MusicgenForConditionalGeneration.from_pretrained("facebook/musicgen-small")
+model.to("cuda")
+
+# Generate music
+inputs = processor(
+    text=["80s pop track with bassy drums and synth"],
+    padding=True,
+    return_tensors="pt"
+).to("cuda")
+
+audio_values = model.generate(
+    **inputs,
+    do_sample=True,
+    guidance_scale=3,
+    max_new_tokens=256
+)
+
+# Save
+sampling_rate = model.config.audio_encoder.sampling_rate
+scipy.io.wavfile.write("output.wav", rate=sampling_rate, data=audio_values[0, 0].cpu().numpy())
+```
+
+### Text-to-sound with AudioGen
+
+```python
+from audiocraft.models import AudioGen
+
+# Load AudioGen
+model = AudioGen.get_pretrained('facebook/audiogen-medium')
+
+model.set_generation_params(duration=5)
+
+# Generate sound effects
+descriptions = ["dog barking in a park with birds chirping"]
+wav = model.generate(descriptions)
+
+torchaudio.save("sound.wav", wav[0].cpu(), sample_rate=16000)
+```
+
+## Core concepts
+
+### Architecture overview
+
+```
+AudioCraft Architecture:
+┌──────────────────────────────────────────────────────────────┐
+│                    Text Encoder (T5)                          │
+│                         │                                     │
+│                    Text Embeddings                            │
+└────────────────────────┬─────────────────────────────────────┘
+                         │
+┌────────────────────────▼─────────────────────────────────────┐
+│              Transformer Decoder (LM)                         │
+│     Auto-regressively generates audio tokens                  │
+│     Using efficient token interleaving patterns               │
+└────────────────────────┬─────────────────────────────────────┘
+                         │
+┌────────────────────────▼─────────────────────────────────────┐
+│                EnCodec Audio Decoder                          │
+│        Converts tokens back to audio waveform                 │
+└──────────────────────────────────────────────────────────────┘
+```
+
+### Model variants
+
+| Model | Size | Description | Use Case |
+|-------|------|-------------|----------|
+| `musicgen-small` | 300M | Text-to-music | Quick generation |
+| `musicgen-medium` | 1.5B | Text-to-music | Balanced |
+| `musicgen-large` | 3.3B | Text-to-music | Best quality |
+| `musicgen-melody` | 1.5B | Text + melody | Melody conditioning |
+| `musicgen-melody-large` | 3.3B | Text + melody | Best melody |
+| `musicgen-stereo-*` | Varies | Stereo output | Stereo generation |
+| `musicgen-style` | 1.5B | Style transfer | Reference-based |
+| `audiogen-medium` | 1.5B | Text-to-sound | Sound effects |
+
+### Generation parameters
+
+| Parameter | Default | Description |
+|-----------|---------|-------------|
+| `duration` | 8.0 | Length in seconds (1-120) |
+| `top_k` | 250 | Top-k sampling |
+| `top_p` | 0.0 | Nucleus sampling (0 = disabled) |
+| `temperature` | 1.0 | Sampling temperature |
+| `cfg_coef` | 3.0 | Classifier-free guidance |
+
+## MusicGen usage
+
+### Text-to-music generation
+
+```python
+from audiocraft.models import MusicGen
+import torchaudio
+
+model = MusicGen.get_pretrained('facebook/musicgen-medium')
+
+# Configure generation
+model.set_generation_params(
+    duration=30,          # Up to 30 seconds
+    top_k=250,            # Sampling diversity
+    top_p=0.0,            # 0 = use top_k only
+    temperature=1.0,      # Creativity (higher = more varied)
+    cfg_coef=3.0          # Text adherence (higher = stricter)
+)
+
+# Generate multiple samples
+descriptions = [
+    "epic orchestral soundtrack with strings and brass",
+    "chill lo-fi hip hop beat with jazzy piano",
+    "energetic rock song with electric guitar"
+]
+
+# Generate (returns [batch, channels, samples])
+wav = model.generate(descriptions)
+
+# Save each
+for i, audio in enumerate(wav):
+    torchaudio.save(f"music_{i}.wav", audio.cpu(), sample_rate=32000)
+```
+
+### Melody-conditioned generation
+
+```python
+from audiocraft.models import MusicGen
+import torchaudio
+
+# Load melody model
+model = MusicGen.get_pretrained('facebook/musicgen-melody')
+model.set_generation_params(duration=30)
+
+# Load melody audio
+melody, sr = torchaudio.load("melody.wav")
+
+# Generate with melody conditioning
+descriptions = ["acoustic guitar folk song"]
+wav = model.generate_with_chroma(descriptions, melody, sr)
+
+torchaudio.save("melody_conditioned.wav", wav[0].cpu(), sample_rate=32000)
+```
+
+### Stereo generation
+
+```python
+from audiocraft.models import MusicGen
+
+# Load stereo model
+model = MusicGen.get_pretrained('facebook/musicgen-stereo-medium')
+model.set_generation_params(duration=15)
+
+descriptions = ["ambient electronic music with wide stereo panning"]
+wav = model.generate(descriptions)
+
+# wav shape: [batch, 2, samples] for stereo
+print(f"Stereo shape: {wav.shape}")  # [1, 2, 480000]
+torchaudio.save("stereo.wav", wav[0].cpu(), sample_rate=32000)
+```
+
+### Audio continuation
+
+```python
+from transformers import AutoProcessor, MusicgenForConditionalGeneration
+
+processor = AutoProcessor.from_pretrained("facebook/musicgen-medium")
+model = MusicgenForConditionalGeneration.from_pretrained("facebook/musicgen-medium")
+
+# Load audio to continue
+import torchaudio
+audio, sr = torchaudio.load("intro.wav")
+
+# Process with text and audio
+inputs = processor(
+    audio=audio.squeeze().numpy(),
+    sampling_rate=sr,
+    text=["continue with a epic chorus"],
+    padding=True,
+    return_tensors="pt"
+)
+
+# Generate continuation
+audio_values = model.generate(**inputs, do_sample=True, guidance_scale=3, max_new_tokens=512)
+```
+
+## MusicGen-Style usage
+
+### Style-conditioned generation
+
+```python
+from audiocraft.models import MusicGen
+
+# Load style model
+model = MusicGen.get_pretrained('facebook/musicgen-style')
+
+# Configure generation with style
+model.set_generation_params(
+    duration=30,
+    cfg_coef=3.0,
+    cfg_coef_beta=5.0  # Style influence
+)
+
+# Configure style conditioner
+model.set_style_conditioner_params(
+    eval_q=3,          # RVQ quantizers (1-6)
+    excerpt_length=3.0  # Style excerpt length
+)
+
+# Load style reference
+style_audio, sr = torchaudio.load("reference_style.wav")
+
+# Generate with text + style
+descriptions = ["upbeat dance track"]
+wav = model.generate_with_style(descriptions, style_audio, sr)
+```
+
+### Style-only generation (no text)
+
+```python
+# Generate matching style without text prompt
+model.set_generation_params(
+    duration=30,
+    cfg_coef=3.0,
+    cfg_coef_beta=None  # Disable double CFG for style-only
+)
+
+wav = model.generate_with_style([None], style_audio, sr)
+```
+
+## AudioGen usage
+
+### Sound effect generation
+
+```python
+from audiocraft.models import AudioGen
+import torchaudio
+
+model = AudioGen.get_pretrained('facebook/audiogen-medium')
+model.set_generation_params(duration=10)
+
+# Generate various sounds
+descriptions = [
+    "thunderstorm with heavy rain and lightning",
+    "busy city traffic with car horns",
+    "ocean waves crashing on rocks",
+    "crackling campfire in forest"
+]
+
+wav = model.generate(descriptions)
+
+for i, audio in enumerate(wav):
+    torchaudio.save(f"sound_{i}.wav", audio.cpu(), sample_rate=16000)
+```
+
+## EnCodec usage
+
+### Audio compression
+
+```python
+from audiocraft.models import CompressionModel
+import torch
+import torchaudio
+
+# Load EnCodec
+model = CompressionModel.get_pretrained('facebook/encodec_32khz')
+
+# Load audio
+wav, sr = torchaudio.load("audio.wav")
+
+# Ensure correct sample rate
+if sr != 32000:
+    resampler = torchaudio.transforms.Resample(sr, 32000)
+    wav = resampler(wav)
+
+# Encode to tokens
+with torch.no_grad():
+    encoded = model.encode(wav.unsqueeze(0))
+    codes = encoded[0]  # Audio codes
+
+# Decode back to audio
+with torch.no_grad():
+    decoded = model.decode(codes)
+
+torchaudio.save("reconstructed.wav", decoded[0].cpu(), sample_rate=32000)
+```
+
+## Common workflows
+
+### Workflow 1: Music generation pipeline
+
+```python
+import torch
+import torchaudio
+from audiocraft.models import MusicGen
+
+class MusicGenerator:
+    def __init__(self, model_name="facebook/musicgen-medium"):
+        self.model = MusicGen.get_pretrained(model_name)
+        self.sample_rate = 32000
+
+    def generate(self, prompt, duration=30, temperature=1.0, cfg=3.0):
+        self.model.set_generation_params(
+            duration=duration,
+            top_k=250,
+            temperature=temperature,
+            cfg_coef=cfg
+        )
+
+        with torch.no_grad():
+            wav = self.model.generate([prompt])
+
+        return wav[0].cpu()
+
+    def generate_batch(self, prompts, duration=30):
+        self.model.set_generation_params(duration=duration)
+
+        with torch.no_grad():
+            wav = self.model.generate(prompts)
+
+        return wav.cpu()
+
+    def save(self, audio, path):
+        torchaudio.save(path, audio, sample_rate=self.sample_rate)
+
+# Usage
+generator = MusicGenerator()
+audio = generator.generate(
+    "epic cinematic orchestral music",
+    duration=30,
+    temperature=1.0
+)
+generator.save(audio, "epic_music.wav")
+```
+
+### Workflow 2: Sound design batch processing
+
+```python
+import json
+from pathlib import Path
+from audiocraft.models import AudioGen
+import torchaudio
+
+def batch_generate_sounds(sound_specs, output_dir):
+    """
+    Generate multiple sounds from specifications.
+
+    Args:
+        sound_specs: list of {"name": str, "description": str, "duration": float}
+        output_dir: output directory path
+    """
+    model = AudioGen.get_pretrained('facebook/audiogen-medium')
+    output_dir = Path(output_dir)
+    output_dir.mkdir(exist_ok=True)
+
+    results = []
+
+    for spec in sound_specs:
+        model.set_generation_params(duration=spec.get("duration", 5))
+
+        wav = model.generate([spec["description"]])
+
+        output_path = output_dir / f"{spec['name']}.wav"
+        torchaudio.save(str(output_path), wav[0].cpu(), sample_rate=16000)
+
+        results.append({
+            "name": spec["name"],
+            "path": str(output_path),
+            "description": spec["description"]
+        })
+
+    return results
+
+# Usage
+sounds = [
+    {"name": "explosion", "description": "massive explosion with debris", "duration": 3},
+    {"name": "footsteps", "description": "footsteps on wooden floor", "duration": 5},
+    {"name": "door", "description": "wooden door creaking and closing", "duration": 2}
+]
+
+results = batch_generate_sounds(sounds, "sound_effects/")
+```
+
+### Workflow 3: Gradio demo
+
+```python
+import gradio as gr
+import torch
+import torchaudio
+from audiocraft.models import MusicGen
+
+model = MusicGen.get_pretrained('facebook/musicgen-small')
+
+def generate_music(prompt, duration, temperature, cfg_coef):
+    model.set_generation_params(
+        duration=duration,
+        temperature=temperature,
+        cfg_coef=cfg_coef
+    )
+
+    with torch.no_grad():
+        wav = model.generate([prompt])
+
+    # Save to temp file
+    path = "temp_output.wav"
+    torchaudio.save(path, wav[0].cpu(), sample_rate=32000)
+    return path
+
+demo = gr.Interface(
+    fn=generate_music,
+    inputs=[
+        gr.Textbox(label="Music Description", placeholder="upbeat electronic dance music"),
+        gr.Slider(1, 30, value=8, label="Duration (seconds)"),
+        gr.Slider(0.5, 2.0, value=1.0, label="Temperature"),
+        gr.Slider(1.0, 10.0, value=3.0, label="CFG Coefficient")
+    ],
+    outputs=gr.Audio(label="Generated Music"),
+    title="MusicGen Demo"
+)
+
+demo.launch()
+```
+
+## Performance optimization
+
+### Memory optimization
+
+```python
+# Use smaller model
+model = MusicGen.get_pretrained('facebook/musicgen-small')
+
+# Clear cache between generations
+torch.cuda.empty_cache()
+
+# Generate shorter durations
+model.set_generation_params(duration=10)  # Instead of 30
+
+# Use half precision
+model = model.half()
+```
+
+### Batch processing efficiency
+
+```python
+# Process multiple prompts at once (more efficient)
+descriptions = ["prompt1", "prompt2", "prompt3", "prompt4"]
+wav = model.generate(descriptions)  # Single batch
+
+# Instead of
+for desc in descriptions:
+    wav = model.generate([desc])  # Multiple batches (slower)
+```
+
+### GPU memory requirements
+
+| Model | FP32 VRAM | FP16 VRAM |
+|-------|-----------|-----------|
+| musicgen-small | ~4GB | ~2GB |
+| musicgen-medium | ~8GB | ~4GB |
+| musicgen-large | ~16GB | ~8GB |
+
+## Common issues
+
+| Issue | Solution |
+|-------|----------|
+| CUDA OOM | Use smaller model, reduce duration |
+| Poor quality | Increase cfg_coef, better prompts |
+| Generation too short | Check max duration setting |
+| Audio artifacts | Try different temperature |
+| Stereo not working | Use stereo model variant |
+
+## References
+
+- **[Advanced Usage](references/advanced-usage.md)** - Training, fine-tuning, deployment
+- **[Troubleshooting](references/troubleshooting.md)** - Common issues and solutions
+
+## Resources
+
+- **GitHub**: https://github.com/facebookresearch/audiocraft
+- **Paper (MusicGen)**: https://arxiv.org/abs/2306.05284
+- **Paper (AudioGen)**: https://arxiv.org/abs/2209.15352
+- **HuggingFace**: https://huggingface.co/facebook/musicgen-small
+- **Demo**: https://huggingface.co/spaces/facebook/MusicGen