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July 05, 2013

Making the Raspberry Pi Speak

This is a short post on getting audio setup on my Raspberry Pi and then making it speak.

For the audio setup, I followed instructions on this website:

http://cagewebdev.com/index.php/raspberry-pi-getting-audio-working/

After the above steps, the first time I plugged in a pair of powered speakers to the Pi, I got a whole bunch of "journal" errors from the kernel. Luckily, they went away after a reboot. I have to live with the fact that installing stuff on Linux will always be a "transcendental" experience for me. ;-)

To test audio, you can try:

aplay /usr/share/sounds/alsa/*

Once you are happy with this, the next step is to install pyttsx, which is a Python text-to-speech library. You can install it as follows:

wget https://pypi.python.org/packages/source/p/pyttsx/pyttsx-1.1.tar.gz
gunzip pyttsx-1.1.tar.gz
tar -xf pyttsx-1.1.tar
cd pyttsx-1.1/
sudo python setup.py install

In addition to the above, I also needed to install espeak, which I did as follows:

sudo apt-get install espeak

Now, to get some quality speech out of our Pi. Try the Python code below: