RadioReference on Facebook   RadioReference on Twitter   RadioReference Blog
Wiki Home
View source

Personal Tools

Search the Wiki


Raspberry Pi Broadcastify Build

Raspberry Pi Broadcastify Feed Appliance

These instructions show you how to purchase and setup a completely self contained Raspberry Pi to broadcast a live audio feed to

These instructions have been verified and tested as working on a Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU. Also installed and working on a Raspberry Pi 3 Model B (1 GB RAM - 1.2GHz 64 bit Quad-Core CPU - built in 802.11n wireless).

If you want to skip the build process, you can download our preconfigured Raspberry Pi image here Raspberry_Pi_Broadcastify_Image


Purchase Equipment

Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU

-or- Raspberry Pi 3 Model B Project Board - 1GB RAM - 1.2 Ghz Quad-Core CPU - 802.11n

Power Supply for Raspberry Pi

Memory Card for Raspberry Pi

Case for Raspberry Pi (optional)

Inexpensive USB sound card ($1.70)

1/8 inch audio cable to connect scanner to USB sound card

Install Raspbian OS

All testing and configuration was done using Raspbian

Install pre-reqs and update raspberry pi to latest version

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install git cmake build-essential lame 
sudo apt-get install libmp3lame-dev libvorbis-dev libshout-dev libtwolame0 libtwolame-dev libjack-jackd2-dev 
sudo reboot

Configure the Sound Card

  • Plug your scanner's headphone jack into the mic jack on the USB sound card dongle
  • Start alsamixer
pi@raspberrypi:~# alsamixer
  • press F6, choose the "USB Headphone Set" entry
  • press your tab key to select the "Capture" device volume control
  • use your "up arrow" key to adjust the level to it's lowest level possible (6)
  • press escape to exist alsamixer
  • run the following command to save the volume settings
sudo alsactl store

Two Choices of Software to Broadcast

We recommend the darkice install and configuration method

Method 1: Darkice Install and Configuration (Recommended)

  • download the precompiled version of darkice
  • uncompress the files
tar zxvf darkice_bcfy_v01.tar.gz
  • move the files to the proper places and make sure they are executable
sudo mv darkice /usr/bin
sudo mv darkice1 /etc/init.d
sudo mv darkice.cfg /etc/darkice1.cfg     <--- note the "1" in the /etc/darkice1.cfg you are copying to
  • Edit the /etc/darkice1.cfg file to match your settings, including the sound card you are using, your feed server, mount, password, and description, then exit and save the file
sudo nano /etc/darkice1.cfg
  • Enable the feed to start broadcasting at boot
sudo update-rc.d darkice1 defaults
  • Start your feed
sudo service darkice1 start

Method 2: Ezstream Install and Configuration

sudo apt-get install ezstream

Create the following configuration file at /etc/ezstream_bcfy.xml and replace with your mount, password, and stream name. If you plan on having multiple streams make sure and create a separate named configuration file (i.e.'/etc/ezstream_bcfy2.xml) for each stream and reference accordingly in your command script below.

    <svrinfoname>Stream Name</svrinfoname>
  • Run this command to start the sound card broadcast
arecord -f dat -c 1 -D hw:1,0 | \
/usr/bin/lame -r -s 48 --resample 22.05 -m m -b 16 --cbr --lowpass 4 - - | \
/usr/bin/ezstream -q -c /etc/ezstream_bcfy1.xml > /var/log/bcfy1.log 2>&1 &

Note: very little volume will be needed from your scanner - adjust the levels as appropriate for a good sounding feed.

Optional Scripts

Copyright 2019 by LLC Privacy Policy  |  Terms and Conditions