Qiujia Li

Title: Innovations by Qiujia Li in Speech Recognition Technology

Introduction

Qiujia Li is a prominent inventor based in Mountain View, CA, known for his contributions to the field of speech recognition technology. He has been instrumental in developing innovative methods that enhance the accuracy and efficiency of automated speech recognition systems. With a total of 2 patents, his work continues to influence advancements in this area.

Latest Patents

Qiujia Li's latest patents focus on multi-task learning for end-to-end automated speech recognition confidence and deletion estimation. This method involves receiving a speech recognition result corresponding to a transcription of an utterance spoken by a user. For each sub-word unit in a sequence of hypothesized sub-word units, the method utilizes a confidence estimation module to obtain a respective confidence embedding, generate a confidence feature vector, and produce a confidence output score for each sub-word unit. Additionally, it determines an utterance-level confidence score for the transcription based on these scores.

Another significant patent by Qiujia Li is centered on learning word-level confidence for subword end-to-end automatic speech recognition. This method also employs a confidence estimation module to process each sub-word unit in a sequence, generating confidence embeddings and output scores. It aggregates word-level confidence scores to determine an overall utterance-level confidence score, thereby improving the reliability of speech recognition systems.

Career Highlights

Qiujia Li is currently employed at Google Inc., where he applies his expertise in speech recognition technology. His innovative approaches have contributed to the development of more reliable and efficient speech recognition systems, making significant strides in the field.

Collaborations

Throughout his career, Qiujia Li has collaborated with notable colleagues, including David Qiu and Yu Zhang. These collaborations have fostered an environment of innovation and have led to the successful development of advanced speech recognition technologies.

Conclusion

Qiujia Li's work in speech recognition technology exemplifies the impact of innovative thinking in enhancing automated systems. His patents reflect a commitment to improving the accuracy and efficiency of speech recognition, paving the way for future advancements in the field.