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Search by Sound: Zero-Shot Audio Retrieval Using Natural Language

The Challenge: Audio Libraries Are Hard to Navigate

Organizations collect massive amounts of audio—calls, field recordings, machine sounds, wildlife clips—but:

  • Files aren’t consistently tagged
  • Metadata is often missing or inaccurate
  • Users don’t know what filenames to search for
  • Playback requires manual effort

What if your teams could simply ask, “What does a Tiger Chuff sound like?”—and get the exact audio clip, instantly?

The Solution: FoundationaLLM Delivers Natural Language Audio Retrieval

FoundationaLLM is a platform, not a SaaS product. It runs inside your environment and allows you to build LLM-agnostic agents that connect to custom models, vector stores, and tools. These agents can interpret natural language, interact with audio encoders and embedding indexes, and return contextually relevant results—all orchestrated automatically. Whether you’re using OpenAI, open-source models, or proprietary systems, FoundationaLLM flexibly integrates and operates with your data and infrastructure.

FoundationaLLM allows users to retrieve audio files from natural language queries, with zero pre-labeling or training. Just describe what you’re looking for—the system handles the rest. Because there’s no tagging, no labeling, and no model training involved, organizations can deploy rapidly, maximize return on existing assets, and realize faster time to value without incurring heavy data ops costs.

Audio Retrieval Agent

How It Works

Text Input – A user submits a description like “This is the sound of a Tiger Chuff.”

Text Encoding – FoundationaLLM forwards the text to a pre-trained encoder to produce a vector embedding.

Audio Index Search – A prebuilt audio index contains vector embeddings of available audio clips.

Similarity Matching – The system compares the query embedding to the index using cosine similarity.

Audio File Returned – The best match is played inline for the user—no manual search required.

FoundationaLLM Audio Retrieval Example

The Technical Hurdles
and How We Solve Them

Traditional search requires tagging and metadata.

FoundationaLLM compares audio and text directly in a shared embedding space—no tags needed.

Audio-to-text search is a complex cross-modal problem.

We use pre-trained models to encode both modalities and compute similarity automatically.

Searching large audio libraries in real-time is slow.

Our platform uses pre-indexed audio embeddings for sub-second retrieval performance.

The Business Impact: Turn Audio into an Instant Answer

Rapid Audio Access – Find the exact sound you’re looking for with a sentence—reducing time spent manually navigating files and boosting team productivity.


Semantic Precision – Natural language queries work better than filenames or static tags—improving search accuracy and reducing missed content.


No Setup Required – Just load your files and ask—FoundationaLLM handles the rest, delivering instant deployment and lower operational overhead.


Secure and Scalable – Pre-indexed audio lives securely in your environment—ensuring compliance while supporting enterprise-scale media retrieval.

Why FoundationaLLM?

Zero-shot retrieval with natural language queries

No labeling, tagging, or training required

Works across audio libraries of any size

Seamless integration with your LLM-powered agents

Enterprise-secure and deployed in your cloud

Ready to Search Audio by Description?

Let FoundationaLLM turn your audio library into a searchable knowledge asset—retrievable in plain English, embedded in every experience.

No metadata. No tags. Just the right sound—every time.

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