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diff --git a/doc/sound_node.md b/doc/sound_node.md new file mode 100644 index 0000000..03e84e4 --- /dev/null +++ b/doc/sound_node.md @@ -0,0 +1,72 @@ +# Sound Node + +## Requirements + +``` +apt install -y python3-aiohttp python3-requests python3-toml +``` + +## Configuration + +Orange Pi Lite config (`/etc/sound_node.toml`): + +```toml +[node] +listen = "0.0.0.0:8313" +process_wait_timeout = 10 +name = "nodename" + +record_max_time = 1800 +storage = "/var/recordings" + +[arecord] +bin = "/usr/bin/arecord" + +[lame] +bin = "/usr/bin/lame" +bitrate = 192 + +[amixer] +bin = "/usr/bin/amixer" +controls = [ + { + name = "Line In", + caps = ["mute", "cap", "volume"] + }, + { + name = "Mic1", + caps = ["mute", "cap", "volume"] + }, + { + name = "Mic1 Boost", + caps = ["volume"] + } +] + +[logging] +verbose = false +default_fmt = true +``` + +## Audio recording + +Install `lame`. + +Command to record audio: `arecord -v -f S16 -r 44100 -t raw 2>/dev/null | lame -r -s 44.1 -b 192 -m m - output.mp3 >/dev/null 2>/dev/null` + +## Uploading audios to remote server + +- Generate ssh keys for root on each sound node: + ``` + cd /root/.ssh + ssh-keygen -t ed25519 + ``` +- Add public keys on the remote server +- Copy `tools/sync-recordings-to-remote.sh` script to `/usr/local/bin` on all sound nodes, don't forget to `chmod +x` it. +- Add following lines to the root crontab (on all sound nodes): + ``` + TG_TOKEN="your telegram bot token" + TG_CHAT_ID="your telegram chat id" + + 30 * * * * /usr/local/bin/sync-recordings-to-remote.sh + ```
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