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I hope this guide has given you some ideas of how you can make use of speech output in your own project. You can also pipe the output by creating a symlink with the extension. Pico2wave -w lookdave.wav 'Look Dave, I can see you're really upset about this.' & aplay lookdave.wav An up-to-date version of the script is available here (also archived): Pico Text to Speech UPDATE: Dan Fountain's script is outdated.

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This link will direct you to an archive of Dan Fountain's tutorial due to his website currently being under construction. His excellent easy-to-read webpage describes this at

speech.sh Look Dave, I can see you're really upset about this.ĮXTRA: Dan Fountain improved on the above script to speak any length of text (Google limits you to 100 bytes normally). Say() Īdd execute permissions to your script with: I used used ax206geek’s bash script to access the Google Text to Speech engine (this is an updated version of that script):Īdd these lines to the file and save it (in nano editor use CTRL-O writeOut) This means you will need an internet connection for it to work, but the speech quality is superb. Your text is sent to Google’s servers to generate the speech file which is then returned to your Pi and played using mplayer. Google’s Text to Speech engine is a little different to Festival and Espeak. If you are making an alien or a RPi witch then it’s the one for you! Seriously it is a good allrounder with great customisation options.Įnglish female voice, emphasis on capitals (-k), speaking slowly (-s) using direct text:-Įspeak -ven+f3 -k5 -s150 'I've just picked up a fault in the AE35 unit' It sounds clearer but does wail a little. This may be just what you need if you are adding speech to your RPi robot project.Įcho “Just what do you think you're doing, Dave?” | festival -ttsĮspeak is a more modern speech synthesis package than Festival.

It worked fine and produces a voice like a rough sounding robot. The first speech package I tried was Festival. More information is available is their website: The voices are higher quality than open source solutions and pricing is dependent on the use case. To sort out the mplayer error message, edit file /etc/mplayer/nf using:Ĭepstral is a commercial Text to Speech engine that is installed on the Pi and does not require an Internet connection.

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Install the mplayer audio/movie player with: If this line is already there then leave the file as is! If you do not already have sound on your RPi then you will need the alsa sound utilities: This may take 30 - 60 minutes depending on your connection speed etc. Speech did not work for me until I did this. The instructions below are based on the Raspbian distribution (August 2012).įirstly I recommend updating your Raspbian distribution if you have not recently already done so. The installer will let you know if the package is already present on your RPi. They may be already there but it does no harm to try to install these listed below anyway.

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Speech output requires a few audio software packages to be installed on your RPi. tell the time and read the weather forecast on your RPi alarm clock. speak the mode selected or station name with button presses on an RPi internet radio internet connection made or IP address on a headless RPi

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You don’t need an expensive/complicated LCD or monitor for your project - just use any old mp3 player loudspeaker or PC loudspeaker which you have probably got lying around - or even an earphone works well for debugging purposes too. It’s very easy add to your program - just output a string to the speech function instead of the screen.

Text to speech recorder pcm