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Alexandre
2024-10-07 15:04:48 +02:00
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birdnet-pi/DOCS.md
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@@ -106,16 +106,16 @@ sudo ethtool -s eth0 speed 100 duplex full autoneg on
# Create rtsp feed
sleep 5
# Using hw
# 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
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_s32le -ac 2 -ar 48000 -i plughw:0,0 -f rtsp -acodec pcm_s16be rtsp://localhost:8554/birdmic -rtsp_transport tcp -buffer_size 512k || ffmpeg -nostdin -f alsa -acodec pcm_s32le -ac 2 -ar 48000 -i plughw:1,0 -f rtsp -acodec pcm_s16be rtsp://localhost:8554/birdmic -rtsp_transport tcp -buffer_size 512k || true & true
#ffmpeg -nostdin -f alsa -acodec pcm_s32le -ac 2 -ar 48000 -i plughw:1,0 -f rtsp -acodec pcm_s16be rtsp://localhost:8554/birdmic -rtsp_transport tcp -buffer_size 512k || true & true
# Using plughw with high, lowpass, and limit to avoid clipping
ffmpeg -nostdin -f alsa -acodec pcm_s32le -ac 2 -ar 48000 -i plughw:0,0 -af "highpass=f=100, lowpass=f=15000, alimiter=limit=1.0:attack=5:release=50" -f rtsp -acodec pcm_s16be rtsp://localhost:8554/birdmic -rtsp_transport tcp -buffer_size 512k || true & true
#ffmpeg -nostdin -f alsa -acodec pcm_s32le -ac 2 -ar 48000 -i plughw:0,0 -af "highpass=f=100, lowpass=f=15000, alimiter=limit=1.0:attack=5:release=50" -f rtsp -acodec pcm_s16be rtsp://localhost:8554/birdmic -rtsp_transport tcp -buffer_size 512k || true & true
# Set microphone volume
sleep 5
MICROPHONE_NAME="Line In 1 Gain" # for Focusrite Scarlett 2i2
amixer -c 0 sset "$MICROPHONE_NAME" 30%
amixer -c 0 sset "$MICROPHONE_NAME" 60%
```