Long Qin

 

Office


GHC 6225

Carnegie Mellon University

5000 Forbes Avenue

Pittsburgh, PA 15213


Email


lqin (at) cs (dot) cmu (dot) edu

long.qin (at) mmodal (dot) com

 

I’m currently working at M*Modal as a Research Scientist. Before that, I received my PhD and MS degrees from the Language Technologies Institute of Carnegie Mellon University. My advisor was Prof. Alex Rudnicky. I also received a MS and a BS degree from University of Science and Technology of China.


CV [pdf]

Thesis Document [pdf]

Thesis Presentation [pdf]


Research

  1. Deep learning (DNN) in speech recognition

  2. Voice Activity Detection (VAD)

  3. Out-of-vocabulary (OOV) word learning

  4. Discriminative acoustic modeling

  5. Speaker adaptive training (SAT)

  6. Unsupervised / semi-supervised lexicon learning

  7. Statistical parametric speech synthesis


Selected PublicationS

  1. Learning better lexical properties for recurrent OOV words, ASRU-2013. [pdf]

  2. Using web text to improve keyword spotting in speech, ASRU-2013. [pdf]

  3. Finding recurrent OOV words, Interspeech-2013. [pdf]

  4. OOV word detection using hybrid models with mixed types of fragments, Interspeech-2012. [pdf]

  5. System combination for out-of-vocabulary word detection, ICASSP-2012. [pdf]

  6. OOV detection and recovery using hybrid models with different fragments, Interspeech-2011. [pdf]

  7. The effect of lattice pruning on MMIE training, ICASSP-2010. [pdf]

  8. Implementing and improving MMIE training in SphinxTrain, CMU Sphinx Workshop 2010. [pdf]


Courses

  1. 10-701 Machine Learning

  2. 11-711 Algorithm for NLP

  3. 11-721 Grammars and Lexicons

  4. 11-733 Multilingual Speech to Speech Translation

  5. 11-741 Information Retrieval

  6. 11-751 Speech Recognition and Understanding

  7. 11-752 Speech II

  8. 11-754 Dialog System

  9. 11-756 Design and Implementation of ASR Systems

  10. 11-761 Language and Statistics

  11. 11-791 Software Engineering


Interests

Football, Soccer, Movie, Ski, Skate

CMU Sphinx


Benchmark Testing Results [pdf]

Discriminative Training Equations [pdf]


Links


CMUSphinx

Speech at CMU

Sphinx Inner Web

Online LM tool

CMU-CAM LM toolkit

Sphinx Tutorial