Signal processing technique is used in many different fields involving financial signal processing, video processing, image processing, genomics, audio signal processing, speech signal processing, process control feature extraction, and array processing. The audio signal processing is used particularly for the electrical signals like music and speech. We at E2matrix provide Signal Processing Thesis Help to M.Tech and PhD students. Students who are looking for Signal Processing Thesis Help at nearby location just call us at: 9041262727. Because we provide online thesis help service for those students who are unable to visit our office. Speech Signal Processing. Since you are in India, it would not be a bad idea to look at speech applications for Indian languages. These include speech-to-text applications, text-to-speech applications, language/dialect identification and other similar applications.