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# AssemblyAI
>[AssemblyAI](https://www.assemblyai.com/) builds `Speech AI` models for tasks like
speech-to-text, speaker diarization, speech summarization, and more.
> `AssemblyAI’s` Speech AI models include accurate speech-to-text for voice data
> (such as calls, virtual meetings, and podcasts), speaker detection, sentiment analysis,
> chapter detection, PII redaction.
## Installation and Setup
Get your [API key](https://www.assemblyai.com/dashboard/signup).
Install the `assemblyai` package.
```bash
pip install -U assemblyai
```
## Document Loader
### AssemblyAI Audio Transcript
The `AssemblyAIAudioTranscriptLoader` transcribes audio files with the `AssemblyAI API`
and loads the transcribed text into documents.
See a [usage example](/docs/integrations/document_loaders/assemblyai).
```python
from langchain_community.document_loaders import AssemblyAIAudioTranscriptLoader
```
### AssemblyAI Audio Loader By Id
The `AssemblyAIAudioLoaderById` uses the AssemblyAI API to get an existing
transcription and loads the transcribed text into one or more Documents,
depending on the specified format.
```python
from langchain_community.document_loaders import AssemblyAIAudioLoaderById
```
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