DEEPIKA RAJANNA

DEEPIKA RAJANNA

Audio Engineer
Germany
German, English, Kannada, Hindi

نبذة عني

I am writing to express my sincere interest in the Audio and Speech signals. With a strong educational background, hands-on experience, and a genuine passion for audio signal processing and deep learning, I am excited ab…

الخبرة

Research Student

IAV GmbH, Frankfurter Ring 162, 80807 München-Germany
Jan 1970 - حتى الآن · 56 سنوات 6 أشهر

Research on re-tuning algorithms to adapt to the current “situation adapt sound” set-up for the car.
Part of the team which develops software module for restoring sound quality with movements of driver in the car.
Research on replacing the current FIR filter with IIR filter, including pros and cons.
Research on averaging and smoothing of the speaker’s outputs.
Documentation of the comparison of classical methods, optimization of the filter, adaptive filters, or machine learning approaches.
Worked with MAX/MSP tool.

Research Student

IAV GmbH
حتى الآن

Research on Re-tuning algorithms to adapt to the current “situation adapt sound” set-up for the car, Research on replacing the current FIR filter with IIR filter, methods- pros and cons, Documentation of the comparison of classical methods- optimization of the filter, adaptive filers or Machine learning approaches

Research Student

Dolby Germany GmbH, Deutschherrnstraße 15-19, 90429 Nürnberg - Germany
Jan 1970 - Jan 1970

Research in the field of car cabin measurements based on microphone arrays.
Evaluation and comparison of different measurement approaches.
Documentation of the results.
Attended workshops on car tuning.

Experimental Research and Development

Harman Becker Automotive Systems GmbH, Karlsbad
Jan 1970 - Jan 1970

Analyzing impulse responses and frequency responses.
Conducting subjective evaluations with trained listeners.
Gathering comments and associated scores from listeners to establish correlations between objective measurements and human perception.
Feature engineering on objective data and subjective comments with the test tracks played in the speakers in the car domain.

Research Assistant

Fraunhofer Institute for Integrated Circuits IIS, Erlan-gen
Jan 1970 - Jan 1970

Research on audio event detection and classification algorithms - DCASE 2013.
Developed an algorithm to detect a rare audio event present in the environment along with its onset and offset time.
Worked with multi-class classification and noise reduction algorithms for speech signals.

Research Assistant

Fraunhofer IDMT, Division Hearing, Speech and Audio Technology, Oldenburg
Jan 1970 - Jan 1970

Support in extending data augmentation stage in acoustic event detection framework.
Implementation of algorithms to slightly alter audio channels to extend training data sets for machine learning applications.

Intern

Atos Pvt. Ltd, Bangalore, India
Jan 1970 - Jan 1970

Intensive training in the field of signal processing (MATLAB).

Research Assistant

Fraunhofer IDMT, Division Hearing, Speech and Audio Technology, Oldenburg

Support in extending data augmentation stage in acoustic event detection framework, Implementation of algorithms to slightly alter audio channels to extend training data sets for Machine Learning applications

Research Student

Dolby Germany GmbH

Research in the field of car cabin measurements based on microphone arrays, Documentation of the results and attended workshops on car tuning

Experimental Research and Development

Harman Becker Automotive Systems GmbH

Analyzing impulse responses and frequency responses, Conducting subjective evaluations with trained listeners, Gathering valuable comments and associated scores from the listeners

Research Assistant

Fraunhofer Institute for Integrated Circuits IIS

Research on Audio event detection and classification algorithms- DCASE 2013, Developed an algorithm to detect a rare audio event present in the environment, Worked with multi-class classification and Noise Reduction algorithms for speech signals

Intern

Atos Pvt. Ltd, Bangalore, India

Intensive training in the field of signal processing (MATLAB)

المهارات

بايثون (لغة برمجة) أوبن سي في باي تورش Matlab Tensorflow Numpy Sckit-learn Matplotlib Librosa Pandas Scipy AWS cloud (S3 bucket) Delta lake Databricks Git C++ PyTorch TensorFlow NumPy scikit-learn SciPy Delta Lake Linux Confluence signal processing audio signal processing machine learning deep learning data augmentation feature engineering multi-class classification noise reduction adaptive filters federated training recommender systems RNN GRU Variational Autoencoder NVIDIA Autoencoder framework MAX/MSP
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