#COMMAND

sudo rm temp.wav
mkfifo temp.wav
arecord -Dmic_sv -c2 -r48000 -fS32_LE -twav temp.wav & \
raspivid -o - -t 0 -vf -hf -fps 20 -b 6000000 | \
ffmpeg \
    -i temp.wav \
    -i - \
    -ab 32k \
    -ac 2 \
    -strict -2 \
    -c:v copy \
    -c:a aac \
    -report \
    -vsync 2 \
    -async 1 \
    -f flv rtmp://209.85.230.23/live2/xbjs-a3gp-0yvk-ftdg