.remoteAudio.toml

# The parameters are applicable both for remoteAudio client and server instances
# if not otherwise noted. In principle, the default parameters should get your 
# started. Propably you want to fine tune them to your local circumstances.

# parameters for connecting to your NATS server 
[nats]
broker-url = "localhost"
broker-port = 4222
username = ""
password = ""

# parameters to configure remoteAudio server instances
[server] 
name = "ft950" # server: name of this remoteAudio server 
               # client: the name of the remoteAudio server from which the 
               #         audio should be streamed on startup if the parameter
               #         'audio.stream-on-startup' = true
index = 1 # in case you have several remoteAudio servers, this value lets you set the
          # position in which the servers will be displayed in the WebUI of the 
          # clients

# parameters for the capturing audio device (typically a microphone)
# check `./remoteAudio enumerate` for available devices and hostAPIs on your system
# copy the exact parameters of the desired device
[input-device] 
device-name = "default"
samplerate = 48000
latency = "5ms"
channels = 1
hostapi = "default"

# parameters for the playback audio device (typically a headset / speaker)
# check `./remoteAudio enumerate` for available devices and hostAPIs on your system
# copy the exact parameters of the desired device
[output-device] 
device-name = "default"
samplerate = 48000
latency = "5ms"
channels = 2
hostapi = "default"

# parameters for the OPUS audio codec. 
# check https://pkg.go.dev/gopkg.in/hraban/opus.v2 and https://opus-codec.org/docs/
# for more detailed expanation of the parameters
[opus] 
application = "restricted_lowdelay" # 'voip', 'audio' or 'restricted_lowdelay'
bitrate = 24000 # 6000...510000 bits/s
complexity = 5 # 0...10 
max-bandwidth = "wideband" # 'narrowband', 'mediumband', 'wideband', 'superwideband' or 'fullband'


# audio related parameters
[audio]
rx-buffer-length = 10 # 10x10ms (@framesize=480 & samplerate=48kHz)
# opus only accepts frames with a length of 2.5ms, 5ms, 10ms, 20ms, 40ms or 60ms! 
frame-length = 960  #20ms @ 48kHz (should work for most cases)
tx-volume = 70
rx-volume = 70
stream-on-startup = false # client: start the audio stream (rx) from the remoteAudio server specified
                          #         in 'server.name'. This parameter will also start streaming
                          #         audio (tx) from this client to the server. If the server is
                          #         is not available, remoteAudio will exit. 
vox = false             # client: enable / disable vox
vox-threshold = 0.1     # client: vox threshold level (float from 0....1)
vox-holdtime = "500ms"  # client: vox holdtime before turning TX off

# embedded web server on the remoteAudio for accessing the WebUI
[http]
host = "localhost" # use '0.0.0.0' to access the webUI also from other computers on your 
                   # local network.
port = 9090