AMBE vocoder device notes - jketterl/openwebrx GitHub Wiki

*tbd - setup guide for using hw AMBE dongle *

Using AMBE vocoder USB stick to decode D*, YSF, DMR, NXDN. openwebrx RasPi image contains all required packages besides codecserver.

Install codecserver via openwebrx package repo:

sudo apt install codecserver

sample config for NWDR ThumbDV DV3000U, edit Codecserver configuration via

sudo nano /etc/codecserver/codecserver.conf

# unix domain socket server for local use
[server:unixdomainsockets]
socket=/tmp/codecserver.sock

# tcp server for use over network
[server:tcp]
port=1073
bind=::

# example config for an USB-3000 or similar device
[device:dv3k]
driver=ambe3k
tty=/dev/ttyUSB0
baudrate=460800

systemctl status output of codecserver in sane state:

image

finding right USB device path

image

working sample for AMBE3003 USB Board:

# unix domain socket server for local use
[server:unixdomainsockets]
socket=/tmp/codecserver.sock

# tcp server for use over network
[server:tcp]
port=1073
bind=::

# example config for an USB-3000 or similar device
[device:dv3k]
driver=ambe3k
tty=/dev/ttyUSB1
baudrate=921600

systemctl status output of codecserver with AMBE3003 USB: image