sudo /sbin/sysctl fs.pipe-max-size=1048576
rm -f /tmp/temp_audio.nut
rm -f /tmp/temp_video.h264
mkfifo /tmp/temp_audio.nut
mkfifo /tmp/temp_video.h264
/home/pi/special/ffmpeg/ffmpeg -re -f alsa -acodec pcm_s32le -i mic_sv -acodec aac -y -f nut /tmp/temp_audio.nut &
/usr/bin/raspivid -w 640 -h 480 -v -fps 10 -b 1000000 -o /tmp/temp_video.h264 -t 0 &
/home/pi/special/ffmpeg/ffmpeg -loglevel debug \
    -framerate 10 \
    -thread_queue_size 1024 \
    -i /tmp/temp_video.h264 \
    -thread_queue_size 1024 \
    -i /tmp/temp_audio.nut \
    -ab 24k \
    -c:v copy \
    -c:a copy \
    -max_interleave_delta 2000000 \
    -report \
    -f flv rtmp://209.85.230.23/live2/KEY