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Building a Dedicated GSM GPS Module Tracking System for Fleet Management Hardware and Software

Building a Dedicated GSM GPS Module Tracking System for Fleet Management Hardware and Software

This book shows how to build a INFelecPHY GPS Unit (IEP-GPS) tracking system for fleet management that is based on 3G and GPRS modules. This model should provide reliability since it deals with several protocols: 1) HTTP and HTTPS to navigate download and upload in real time the information to a web server 2) FTTP and FTTPS to handle in a non-real time the files to the web application and 3) SMTP and POP3 to send and receive email directly from the unit in case of any alert. Similar to a mobile device but without screen for display it is multifunctional because it links to a GPRS module a camera a speaker headphone a keypad and screen. | Building a Dedicated GSM GPS Module Tracking System for Fleet Management Hardware and Software

GBP 44.99
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Audio and Speech Processing with MATLAB

Audio and Speech Processing with MATLAB

Speech and audio processing has undergone a revolution in preceding decades that has accelerated in the last few years generating game-changing technologies such as truly successful speech recognition systems; a goal that had remained out of reach until very recently. This book gives the reader a comprehensive overview of such contemporary speech and audio processing techniques with an emphasis on practical implementations and illustrations using MATLAB code. Core concepts are firstly covered giving an introduction to the physics of audio and vibration together with their representations using complex numbers Z transforms and frequency analysis transforms such as the FFT. Later chapters give a description of the human auditory system and the fundamentals of psychoacoustics. Insights results and analyses given in these chapters are subsequently used as the basis of understanding of the middle section of the book covering: wideband audio compression (MP3 audio etc. ) speech recognition and speech coding. The final chapter covers musical synthesis and applications describing methods such as (and giving MATLAB examples of) AM FM and ring modulation techniques. This chapter gives a final example of the use of time-frequency modification to implement a so-called phase vocoder for time stretching (in MATLAB). FeaturesA comprehensive overview of contemporary speech and audio processing techniques from perceptual and physical acoustic models to a thorough background in relevant digital signal processing techniques together with an exploration of speech and audio applications. A carefully paced progression of complexity of the described methods; building in many cases from first principles. Speech and wideband audio coding together with a description of associated standardised codecs (e. g. MP3 AAC and GSM). Speech recognition: Feature extraction (e. g. MFCC features) Hidden Markov Models (HMMs) and deep learning techniques such as Long Short-Time Memory (LSTM) methods. Book and computer-based problems at the end of each chapter. Contains numerous real-world examples backed up by many MATLAB functions and code. | Audio and Speech Processing with MATLAB

GBP 51.99
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