Decoder. plain-English AI glossary

Audio Generation

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Automatically creating sound or audio content from scratch or from a description.

Think of it like

A composer writing a melody - the model generates the notes and tones.

Example

Text prompt: "Dog barking at distance" -> generated audio of a dog bark. Or: "Electronic lo-fi hip-hop beat" - the model produces the music.

How it actually works

Raw waveform generation (difficult, high-dimensional) vs. spectrogram generation (compact, then vocoded back). Autoregressive (SampleRNN, WaveNet) vs. non-autoregressive (FastSpeech, diffusion). Text-to-speech, music generation, and sound effect synthesis use different architectures. Transformer-based models and diffusion models show promise. Challenge: long-range coherence, realistic timbre, and diversity.

For product teams

Enables text-to-speech, generative music, game sound design, accessibility, content creation.

For engineers

Architectures: Diffusion models (Riffusion, MusicGen), autoregressive transformers. Datasets: AudioSet, FSD50K. Metrics: mel-cepstral distortion (MCD), log-magnitude RMSE.

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