Environment Variables

Hibou environment variables allow you to edit your server setup configuration and customize it.

Updating your Appwrite environment variables requires you to edit your Hibou .env file.

Audio

Name	Description	Default
AUDIO_ANGLE_COVERAGE	Angle in degree covered by the mics.	60
AUDIO_STREAM_LATENCY	Audio latency between the source and sink pads in ms.	50
AUDIO_CHUNK_DURATION	Duration in ms of one audio chunk.	500
AUDIO_VOLUME	Based software volume.	9
AUDIO_REC_HZ	sampling frequency for recorded audio	16000

Recordings

Name	Description	Default
REC_AUDIO_ENABLE	When true, enables audio recording by channels in the output directory.	true
REC_VIDEO_ENABLE	When true, enables video recording by channels in the output directory	false
REC_VIDEO_ON_DETECTION	When true, videos are saved by channels in the output directory upon detection.	false
REC_SAVE_FP	Directory where video are recorded.	./recs

ADC devices

Name	Description	Default
DEVICES_CONFIG_PATH	File path to where device should be loaded from a file.	./controllers_devices.json

Sound Processing

Name	Description	Default
STATIONARY	When the noise reduction stationary is used.	true

Logs

Name	Description	Default
LOG_PATH	Directory where logs are saved.	./logs/app.log
LOG_CONF_PATH	Logging configuration for Python.	logging.conf
LOG_LEVEL	Logging debug level. Possible values: DEBUG, INFO, WARNING, ERROR, CRITICAL, NOTSET.	INFO

PTZ

Name	Description	Default
PTZ_USERNAME	PTZ username. Leave empty to skip initialization	None
PTZ_PASSWORD	PTZ password. Leave empty to skip initialization	None
PTZ_HOST	PTZ host name address. Leave empty to skip initialization	None
PTZ_VIDEO_CHANNEL	Can be either: 1, 2, 3	1
PTZ_RTSP_PORT	RTSP port for video stream.	554
PTZ_START_AZIMUTH	initial azimuth angle of the camera.	1770
PTZ_END_AZIMUTH	final azimuth angle of a predefined movement.	2793

AI

Name	Description	Default
AI_DEVICE	AI's models can either run on CPU (cpu) or GPU (cuda).	cpu
AI_NUM_PROC	Number of processors used by AI.	4
AI_CV_ENABLE	When computer vision detection is enable.	false
AI_CV_MODEL	Directory where model of computer vision is saved.	yolo11n_drone.pt
AI_CV_MODEL_TYPE	The computer vision model used	yolo
AI_MODELS_FOLDER	Directory where AI models are saved.	/assets/audio_models/

IPC

Name	Description	Default
IPC_PROXY_XSUB_PORT	ZMQ proxy XSUB socket port	5556
IPC_PROXY_XPUB_PORT	ZMQ proxy XPUB socket port	5557
IPC_ACOUSTIC_ANGLE_TOPIC	IPC topic for angles detected by the acoustic module	"acoustic_angle"
IPC_ACOUSTIC_DETECTION_TOPIC	IPC topic for detections from the acoustic module	"acoustic_detection"
IPC_DECISION_ANGLE_TOPIC	IPC topic for angles output by the decision module	"decision_angle"
IPC_DECISION_DETECTION_TOPIC	IPC topic for detections output by the decision module	"decision_detection"
IPC_VISION_DECISION_TOPIC	IPC topic for decisions output by the vision module	"vision_decision"
IPC_VISION_DETECTION_TOPIC	IPC topic for detections output by the vision module	"vision_detection"
IPC_VISION_ANGLE_TOPIC	IPC topic for angles output by the vision module	"vision_angle"
IPC_VIDEO_STREAMING_ANNOTATED_PORT	Port for the annotated video stream	5560
IPC_SYSTEM_STATUS_TOPIC	IPC topic for the overall system status	"system_status"