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Appendix
Call Center Village Training Reference
Quick reference commands, cheat sheets, and recipes for common tasks you'll encounter in the lab. Everything below is configured on the Call Center Village laptops.
The Call Center Village laptop environment is Pop!_OS 24.04 LTS from System76.
CLI Tools
| Tool | Location | Purpose |
|---|---|---|
| whisper.cpp | /opt/whisper.cpp | Speech-to-text transcription |
| Faster Whisper | /opt/faster-whisper | Accelerated speech-to-text |
| llama.cpp | /opt/llama.cpp | Local language model inference |
| Piper | /opt/piper | Lightweight local TTS |
| Kokoro | /opt/kokoro | ONNX-based TTS |
| Coqui TTS | /opt/coqui-tts | XTTS voice cloning |
| Spark TTS | /opt/spark-tts | Zero-shot voice cloning |
HTTP Services
| Tool | Location | URL | Purpose |
|---|---|---|---|
| llama.cpp | /opt/llama.cpp | http://localhost:8080 | LLM API server |
| Kokoro-FastAPI | /opt/kokoro-fastapi | http://localhost:8880 | Fast TTS API |
| Qwen3-TTS | /opt/qwen3-tts | http://localhost:8000 | Voice cloning + design web UI |
| OpenVoice | /opt/openvoice | http://localhost:7866 | Tone color conversion |
| RVC | /opt/rvc | http://localhost:7865 | Voice conversion training |
Laptop Accounts
callcentervillage
Standard user account. If you need help with anything that requires elevated access, find a supervisor.
supervisor
Admin account with sudo privileges. Only used by Call Center Village staff.
This training is designed for 1920×1080 resolution on a desktop browser with a headset and microphone. We recommend LibreWolf.