Category: Speech

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Use a USB keyboard for text entry

23/10/2018 By Jean-Luc Off

Use a standard USB keyboard to enter some text and have it spoken live on VAX (soon on Kaiwa and Emy). The keyboard is connected to a USB gender changer (provided with the last edition of Emy ) which also powers the keyboard. The speech can…

How to add new vocabulary to Talko, the easy way

26/03/2017 By Jean-Luc Off

Previously, I had described here: how to do compress sound using a venerable Windows 3.1 tool: Qbox Pro. The process what quite long to set up and does not always produce good results. Today I discovered BlueWizard from this post. BlueWizard runs on Mac and allows to…

New Talko firmware : VCO mode can play semi-tones

25/02/2017 By Jean-Luc Off

The rev 2 of Talko’s firmware can now play notes over 2 octaves. It may seem obvious to have a 1V/octave CV to note in a VCO mode but this was quite challenging to achieve.  (I may explain the process in another post as it  could…

3 new sounds banks for Talko

27/08/2016 By Jean-Luc Off

Talko’s code has been updated with 3 new sounds banks : Bank 15 : French Vowels Male (5) View this post on Instagram A post shared by Jean-Luc Deladrière (@polaxis)   Bank 16 : English voiced allophones (72) Bank 17 : VCO friendly voiced allophones…

Talko 1.2 now available

01/06/2016 By Jean-Luc Off

Talko 1.2 are now in stock, both as kits and as assembled modules. What’s new in version 1.2 Rotary encoder for smoother Bank change Encoder’s button can be pressed to simulate the gate signal going HIGH and make the module speak. Mode selection via a…

Talko 1.2 is coming soon

16/03/2016 By Jean-Luc Off

Talko is an open source Arduino based LPC speech synthesizer. It’s firmware can be updated via the onboard USB port, using the standard Arduino IDE. In Speech mode, the speech starts with a gate signal and complete before waiting for a new gate signal. The…

LPC encoding for the Arduino’s Talkie library

28/12/2015 By Jean-Luc Off

Adding new sounds or vocabulary for the Talkie library is not straightforward and I needed a checklist to smoothen the process. Here are the main steps : Recording audio with Audacity The recording has to be made at 8 kHz with 16-bit depth Export to…