Athanasios Mouchtaris

Title: Athanasios Mouchtaris: Innovator in Automatic Speech Recognition

Introduction

Athanasios Mouchtaris is a notable inventor based in Pittsburgh, PA, who has made significant contributions to the field of automatic speech recognition (ASR). With two patents to his name, he has developed innovative techniques that enhance the capabilities of ASR systems.

Latest Patents

Mouchtaris' latest patents focus on advanced methods for performing automatic speech recognition. One of his patents describes an ASR component that integrates contextual information from user profile data into audio encoding data. This integration allows the system to predict tokens corresponding to spoken input, utilizing personalized words such as contact names and device names. The ASR component is designed to apply attention to audio frames relevant to these personalized words, improving the accuracy of recognition.

Another patent involves a multi-channel transformer acoustic model that processes multiple audio signals from a microphone array. This model outputs probabilities for acoustic units of an utterance represented in the audio signals. It employs self-attention on embeddings of the audio signals and cross-channel attention to model relationships across channels and time frames. This innovative approach enhances the processing of audio signals, making ASR systems more effective.

Career Highlights

Athanasios Mouchtaris is currently employed at Amazon Technologies, Inc., where he continues to push the boundaries of speech recognition technology. His work has been instrumental in developing systems that are more responsive and accurate in understanding human speech.

Collaborations

Mouchtaris has collaborated with notable colleagues in his field, including Feng-Ju Chang and Siegfried Kunzmann. These collaborations have contributed to the advancement of ASR technologies and have fostered a productive research environment.

Conclusion

Athanasios Mouchtaris is a prominent figure in the realm of automatic speech recognition, with innovative patents that enhance the functionality of ASR systems. His contributions at Amazon Technologies, Inc. and collaborations with esteemed colleagues underscore his impact on the field.