Install the software packages needed
sudo apt-get install libmp3lame0 libtwolame0
sudo apt-get install darkice
sudo apt-get install icecast2
During the installation you will be asked to set the icecast password which you’ll need enter into the configuration file below
Check your recording device is present
pi@raspberrypi:~ $ arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: AK5371 [AK5371], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice #0: subdevice #0
Try to make a recording:
arecord -D plughw:1,0 temp.wav
If the volume is too quiet, you can adjust it with alsamixer -c 1 where 1 is your audio device. Note that 0 is the Raspberry PI default output device.
Create a configuration file for darkice
# this section describes general aspects of the live streaming session
[general]
duration = 0 # duration of encoding, in seconds. 0 means forever
bufferSecs = 5 # size of internal slip buffer, in seconds
reconnect = yes # reconnect to the server(s) if disconnected
# this section describes the audio input that will be streamed
[input]
# device = /dev/dsp # OSS DSP soundcard device for the audio input
device = plughw:1,0 # OSS DSP soundcard device for the audio input
sampleRate = 22050 # sample rate in Hz. try 11025, 22050 or 44100
bitsPerSample = 16 # bits per sample. try 16
channel = 2 # channels. 1 = mono, 2 = stereo
# this section describes a streaming connection to an IceCast2 server
# there may be up to 8 of these sections, named [icecast2-0] ... [icecast2-7]
# these can be mixed with [icecast-x] and [shoutcast-x] sections
[icecast2-0]
bitrateMode = abr # average bit rate
format = mp3 # format of the stream: ogg vorbis
bitrate = 96 # bitrate of the stream sent to the server
server = localhost # host name of the server
port = 8000 # port of the IceCast2 server, usually 8000
password = password # source password to the IceCast2 server
mountPoint = mic # mount point of this stream on the IceCast2 server
name = Microphone Raspberry Pi # name of the stream
description = Broadcast from 2nd room # description of the stream
url = http://example.com/ # URL related to the stream
genre = my own # genre of the stream
public = no # advertise this stream?
Invoke the server by running darkice at the prompt.
Set darkice to run at boot up
update-rc.d darkice defaults
Open a web browser to http://<pi-ip-address>:8000 to view the installation. Add the url source to your Internet radio appliance via http://<pi-ip-address>:8000/mic