My profile photo

Hi! I'm Cristian Tejedor-García.

Computer Science Ph.D. candidate and associate member of the research group ECA-SIMM in Computer Science Department (LSI area) at EII - University of Valladolid.
I received both Bachelors and Masters (with honours) degree in Computer Engineering.
I am really into Human-Computer interaction, serious games and speech technology applied to education.

Learn about what I do

Currently researching new ways to help people to improve their learning of foreign language with speech technology. University of Valladolid teaching an reasearch staff (I).

Degree Final Projects (click to show)
Teaching load course 2016/2017: PDI. 4.8 ECTS (C2: 4 hours/week). Programming Paradigms*: 🐍 L3 and L6.
Teaching load course 2017/2018: PDI. 4.8 ECTS (C2: 4 hours/week). Programming Paradigms*: 🐍 L4 and L8.
Teaching load course 2018/2019: PDI. 5.4 ECTS (C1: 2 hours/week and C2: 2 hours/week). Computing**: 💻 L2 and Programming Paradigms*: 🐍 L8.

*Degree in Computer Engineering, Degree in Statistics and INdat and **Degree in Design Engineering and Product Development at Univesity of Valladolid.

You can also download my applications from some markets or read latest updates at my twitter account.

Publications (July 2018)

  1. Japañol, a Computer Assisted Pronunciation Tool for Japanese Students of Spanish Based on Minimal Pairs. Takuya Kimura, Cristian Tejedor-García, María J. Machuca, Antonio Ríos y David Escudero-Mancebo. Proceedings of 2nd International Symposium on Applied Phonetics 2018, Aizu, Japón. September 2018.

  2. Evaluating the Efficiency of Synthetic Voice for Providing Corrective Feedback in a Pronunciation Training Tool Based on Minimal Pairs. Cristian Tejedor-García, David Escudero-Mancebo, César González-Ferreras, Enrique Cámara-Arenas and Valentín Cardeñoso-Payo. Proceedings of SLaTE 2017, p. 26-30, Stockholm, Sweden. August 2017.

  3. Uso De Pares Mínimos En Herramientas Para La Práctica De La Pronunciación Del Español Como Lengua Extranjera. Cristian Tejedor-García and David Escudero-Mancebo. Revista de la Asociación Europea de Profesores de Español. El español por el mundo. p. 355-363, num. 1, 2018.

  4. TipTopTalk! Mobile application for speech training using minimal pairs and gamification. Cristian Tejedor-García, David Escudero-Mancebo, César González-Ferreras, Enrique Cámara-Arenas and Valentín Cardeñoso-Payo. Proceedings of IberSPEECH 2016, p. 425-432, Lisbon, Portugal. November 2016. 🏆Best demo award.

  5. Improving L2 Production with a Gamified Computer-Assisted Pronunciation Training Tool, TipTopTalk! Cristian Tejedor-García, David Escudero-Mancebo, César González-Ferreras, Enrique Cámara-Arenas and Valentín Cardeñoso-Payo. Proceedings of IberSPEECH 2016, p. 177-185, Lisbon, Portugal. November 2016.

  6. Measuring pronunciation improvement in users of CAPT Tool TipTopTalk! Cristian Tejedor-García, David Escudero-Mancebo, Enrique Cámara-Arenas, David González-Ferreras, and Valentín Cardeñoso-Payo. Proceedings of Interspeech 2016, p. 1178-1179. San Francisco, USA. September 2016.

  7. TipTopTalk!: A game to improve the perception and production of l2 sounds. Andreia Rauber, Cristian Tejedor-García, Valentín Cardeñoso Payo, Enrique Cámara-Arenas, César González-Ferreras, David Escudero-Mancebo, and Anabela Rato. Abstracts of New Sounds Aarhus, 8th International Conference on Second Language Speech, p. 160, Aarhus, Denmark. June 2016.

  8. Playing around Minimal Pairs to improve pronunciation training. Cristian Tejedor-García, Valentín Cardeñoso-Payo, Enrique Cámara-Arenas, César González-Ferreras and David Escudero-Mancebo. IFCASL Project 2015. Individualized Feedback for Computer-Assisted Spoken Language Learning. Workshop on "Feedback in Pronunciation Training". Saarland, Germany. November 2015.

  9. Implementation and Test of a Serious Game Based on Minimal Pairs for Pronunciation Training. David Escudero-Mancebo, Enrique Cámara-Arenas, Cristian Tejedor-García, César González-Ferreras and Valentín Cardeñoso-Payo. Proceedings of SLaTE 2015, p. 125-130, Leipzig, Germany. September 2015.

Conference attendances

  1. International conference: SLaTE 2017. Speech and Language Technology in Education. Djuronaset, Stockholm, Sweden. August 25-26, 2017 On-line: [Accessed 13 August 2017].

  2. International conference: LII International conference AEPE - Universidad De Las Palmas De Gran Canaria. Las Palmas de Gran Canaria, Las Palmas, Spain. July 24-28, 2017. On-line: [Accessed 13 August 2017].

  3. International conference: IberSPEECH 2016. IX Jornadas en Tecnologías del Habla and the V Iberian SLTech Workshop events. INESC-ID Lisbon, RTTH and SIG-IL. Lisbon, Portugal. November 23-25, 2016. On-line: [Accessed 13 August 2017].

  4. International conference: The "LASI Spain 2016" International workshop - University of Deusto (UD) and SNOLA (Spanish Network of Learning Analytics). Deusto Campus, Bilbao, Spain. June 27-28. On-line: [Accessed 13 August 2017].

  5. National conference: II Jornada de Investigación en Tecnologías de la Información y de las Comunicaciones. Universidad de Valladolid, Valladolid, Spain. April 28. On-line: [Accessed 13 August 2017]. 🏆Best poster of the session award.

  6. International conference: IFCASL Project 2015. Workshop on "Feedback in Pronunciation Training". Saarbrücken, Germany. November 5-6, 2015. On-line: [Accessed 13 August 2017].

Degree Final Projects

  1. [Project direction] Desarrollo de la modalidad multijugador para la aplicación Clash of Pronunciation - Degree in Computer Engineering - 2017 - Rafael Sillero Navajas - [Accessed 13 July 2018].

  2. [Collaboration] Una solución para las dificultades de acceso al léxico: diseño de la aplicación +NOMIA - Degree in Speech Therapy - 2018 - María del Mar Valderrábano Yudego - [Accessed 13 July 2018].

  3. [Collaboration]  Programación de aplicaciones Android para aprendizaje de Idiomas - Degree in Design Engineering and Product Development - 2018 - Andrea Colina Fernández

  4. [Collaboration] Videojuego serio para la promoción de Valladolid como ciudad para el aprendizaje del español como segunda lengua - Degree in Design Engineering and Product Development - 2017 - Violeta Yolanda Portero López - [Accessed 13 July 2018].

  5. [Collaboration] Los GIF como recurso para la comunicación alternativa y aumentativa. Diseño de un SAAC - Degree in Speech Therapy - 2017 - Alberto Martín Román - [Accessed 13 July 2018].

  6. [Collaboration] Movilidad urbana sostenible en el municipio de Valladolid - Degree in Geography and Territory Planning - 2015 - Nuria Prieto Vega - [Accessed 13 July 2018].

List of my projects and collaborations

5 stars image
Japañol link


Japañol is a pedagogical application for Android that aims to improve the Spanish pronunciation of Japanese natives. Developed at ECA-SIMM laboratory group.

TipTopTalk! link


TipTopTalk!® is a serious game for foreign language (L2) pronunciation training with minimal pairs.
Languages: Spanish (ES), American and British English, Simplified Chinese, Brazilian and European Portuguese and German.

🏆Award: Best IberSPEECH'2016 software demo
🏆Award: Prometheus program 2015 of innovation products
🏆Award: Best poster of II Jornadas de Investigación en tecnologías de la información y Comunicaciones (University of Valladolid).
® Intellectual Property Register

Bus Pucela link

Bus Pucelalogologo

This is my first Android application.
Its primary goal is to see Valladolid urban buses times in real time.
It has been downloaded more than 50k times.
Valladolid urban buses real-time news and incidences web.
Valladolid urban buses time-lines web.
Appeareance in a Final Degree Assignment of University of Valladolid: web.

  • Pucela Project: Web.
  • Fiestas Pucela 2015: Web.
  • Fiestas Pucela 2014: Web.
  • Aptiva: Web.
  • El día de Valladolid: Web.
  • Europa Press: Web.


Bus Pucela Prologologo

The most complete Valladolid urban buses times searcher application. It traces all map routes and it has unlimited time stops desktop widgets.


Bus Pucela Minilogo

The fastest Valladolid urban buses times searcher application. It has only the basics of an application of this type: favourite stops and a stop searcher.

Get in touch

cristian [at] infor ․ uva • es