Use the below command to install PYTTSX3: pip install pyttsx3 The sound in PYTTSX is not clear and does wail a little. It works offline and is compatible with both Python 2 and 3. Pyttsx3 is a text-to-speech conversion library in Python. Pico2wave -l it-IT -w lookdave.wav "Hi, Welcome to Circuit Digest Tutorial" & aplay lookdave.wav The command for speaking the above text in Italian is given below: The language codes are en-GB, en-US, es-ES, de-DE, fr-FR, and it-IT. Pico TTS currently supports British English, American English, Spanish, Dutch, French, and Italian. Pico2wave -w lookdave.wav "Hi, Welcome to Circuit Digest Tutorial" & aplay lookdave.wav On Debian Buster, the package is missing, but you can download and install the packages manually using the below commands: On Debian, just do sudo apt-get install libttspico-utils. This requires installing the pico TTS library on the system. The Pico Text-to-Speech (TTS) service uses the TTS binary from SVOX for producing spoken text. speech.sh “Hi, Welcome to Circuit Digest Tutorial” Then set permissions to your script using the below command: chmod u+x speech.sh Google Text-to-Speech has the best quality sound among all other TTS tools but the only drawback is that it requires an active internet connection.Ĭreate a file speech.sh using the below command: nano speech.shĪdd these lines to the file and save it using CTRL+X > Y. It first sends the text to Google’s servers to generate the speech file which is then returned to your Pi and played using MPlayer. Google Text to Speech engine doesn’t work offline unlike Festival and eSpeak. Use the below command to install Festival: sudo apt-get install festivalĮcho “Hi, Welcome to Circuit Digest Tutorial” | festival -tts It produces a voice like a rough-sounding robot but still, the sound quality is better than eSpeak. The Festival currently supports British English, American English, and Spanish. It's developed by The Centre for Speech Technology Research in the UK, it offers a framework for building speech synthesis systems. Festival Text-to-Speechįestival is another open-source Text-to-Speech tool. g10: Indicates the pause between words the “g” stands for “word gap”. a 200: Indicates the volume to use of the sound. You can choose between a few different male and female voices :+m1,+m2,+m3,+m4,+m5,+m6,+m7, and +f1,+f2,+f3,+f4. ‘en’ indicates the English language and f2 is the female voice 2. Test eSpeak with: English female voice, emphasis on capitals (-k), speaking slowly (-s) in low volume (-a) using direct text:-Įspeak -ven+f2 -k5 -s150 -a 100 -g10 "Hi, Welcome to Circuit Digest Tutorial" You can modify it by changing the voice, volume, speed, accent, and delay between words. Use the below command to install eSpeak: sudo apt-get install espeakĪbove was a simple example for using eSpeak. Overall, it is a good all-rounder with great customization options. It sounds clearer but does wail a little. It is a modern and easy-to-use TTS package compared to other open-source packages available. Open Source Text-to-Speech ApplicationsĮSpeak is a compact open-source software speech synthesizer for English and other languages like Linux and Windows. Note: Don’t forget to select a 3.5 mm jack as audio output. To do this, issue the ‘ sudo raspi-config’ command, then go to "System Options", "Audio", "Force 3.5mm ('headphone') jack" and finally "Finish". Then use the command given below to install the MPlayer audio/movie player: sudo apt-get install mplayer This package contains various tools to configure audio devices via ALSA (Advanced Linux Sound Architecture). So, start with updating your Raspbian distribution using the commands given below: sudo apt-get update sudo apt-get upgrade
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