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Alexandre
2024-10-06 15:13:39 +02:00
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@@ -27,7 +27,7 @@ My recommendation :
- Minimum confidence : 0,7
- Sigmoid sensitivity : 1,25 _(I've tried 1,00 but it gave much more false positives ; as decreasing this value increases sensitivity)_
# Set RTSP server
# Set RTSP server (https://github.com/mcguirepr89/BirdNET-Pi/discussions/1006#discussioncomment-6747450)
### On your desktop
Download imager
Install raspbian lite 64
@@ -53,8 +53,8 @@ hdmi_blanking=1 # Disable HDMI (save power and reduce interference)
```
# Update
sudo apt-get update
sudo apt-get apt-get dist-upgrade
sudo apt-get update -y
sudo apt-get dist-upgrade -y
# Disable useless services
sudo systemctl disable hciuart
@@ -64,6 +64,12 @@ sudo systemctl disable avahi-daemon
sudo systemctl disable dphys-swapfile
```
### Install RTSP server
```
sudo apt-get install -y micro ffmpeg lsof
sudo -s cd /root && wget -c https://github.com/bluenviron/mediamtx/releases/download/v1.9.1/mediamtx_v1.9.1_linux_arm64v8.tar.gz -O - | sudo tar -xz
```
### Optional : install Focusrite driver
```
apt-get install make linux-headers-$(uname -r)`)
@@ -79,13 +85,6 @@ sudo reboot
dmesg | grep -A 5 -B 5 -i focusrite
```
### Install RTSP server
```
wget https://github.com/geoffreybennett/scarlett-gen2/releases/download/v6.9-v1.3/snd-usb-audio-kmod-6.6-v1.3.tar.gz
sudo apt-get install -y micro ffmpeg lsof
sudo -s cd /root && wget -c https://github.com/bluenviron/mediamtx/releases/download/v1.8.3/mediamtx_v1.8.3_linux_arm64v8.tar.gz -O - | sudo tar -xz
```
### List audio devices
```
arecord -l
@@ -108,11 +107,17 @@ sudo ethtool -s eth0 speed 100 duplex full autoneg on
# Create rtsp feed
sleep 5
# Using hw
ffmpeg -nostdin -f alsa -acodec pcm_s24le -ac 2 -ar 48000 -i hw:1,0 -f rtsp -acodec pcm_s16le rtsp://localhost:8554/birdmic -rtsp_transport tcp || true & true
ffmpeg -nostdin -f alsa -acodec pcm_s16le -ac 2 -ar 48000 -i hw:0,0 -f rtsp -acodec pcm_s16le rtsp://localhost:8554/birdmic -rtsp_transport tcp || true & true
# Using plughw
ffmpeg -nostdin -f alsa -acodec pcm_s24le -ac 2 -ar 48000 -i plughw:1,0 -f rtsp -acodec pcm_s16le rtsp://localhost:8554/birdmic -rtsp_transport tcp || true & true
# ffmpeg -nostdin -f alsa -acodec pcm_s24le -ac 2 -ar 48000 -i plughw:1,0 -f rtsp -acodec pcm_s16le rtsp://localhost:8554/birdmic -rtsp_transport tcp || true & true
# Set microphone volume
sleep 5
amixer -c 1 sset Mic 90%
```
### Startup automatically
Make the file executable chmod +x startmic.sh
Execute the crontab command crontab -e and select nano as your editor.
Paste in @reboot /home/linuxconfig/startmic.sh then save and exit nano.
Reboot the Pi and test again with VLC to make sure the RTSP stream is live.