# Leopard Speech-to-Text Demos
Made in Vancouver, Canada by [Picovoice](https://picovoice.ai)
## Leopard
Leopard is an on-device speech-to-text engine. Leopard is:
- Private; All voice processing runs locally.
- [Accurate](https://picovoice.ai/docs/benchmark/stt/)
- [Compact and Computationally-Efficient](https://github.com/Picovoice/speech-to-text-benchmark#rtf)
- Cross-Platform:
- Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64)
- Android and iOS
- Chrome, Safari, Firefox, and Edge
- Raspberry Pi (3, 4, 5)
## Compatibility
- Python 3.8+
- Runs on Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64), and Raspberry Pi (3, 4, 5).
## Installation
```console
pip3 install pvleoparddemo
```
## AccessKey
Leopard requires a valid Picovoice `AccessKey` at initialization. `AccessKey` acts as your credentials when using Leopard SDKs.
You can get your `AccessKey` for free. Make sure to keep your `AccessKey` secret.
Signup or Login to [Picovoice Console](https://console.picovoice.ai/) to get your `AccessKey`.
## Usage
### File Demo
Run the following in the terminal:
```console
leopard_demo_file --access_key ${ACCESS_KEY} --wav_paths ${AUDIO_FILE_PATH}
```
Replace `${ACCESS_KEY}` with yours obtained from Picovoice Console and `${AUDIO_FILE_PATH}` with a path to an audio file you
wish to transcribe.
### Microphone Demo
You need a working microphone connected to your machine for this demo. Run the following in the terminal:
```console
leopard_demo_mic --access_key ${ACCESS_KEY}
```
Replace `${ACCESS_KEY}` with yours obtained from Picovoice Console. Once running, the demo prints:
```console
>>> Press `ENTER` to start:
```
Press `ENTER` key and wait for the following message in the terminal:
```console
>>> Recording ... Press `ENTER` to stop:
```
Now start recording and when done press `ENTER` key to get the transcription.
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