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Zero- crossing rate

PERFORMANCE OF VOICE ACTIVITY DETECTION METHOD BASED ON ZERO CROSSING RATE AND ENERGY LEVEL IN ARABIC LANGUAGE

PERFORMANCE OF VOICE ACTIVITY DETECTION METHOD BASED ON ZERO CROSSING RATE AND ENERGY LEVEL IN ARABIC LANGUAGE

... This work investigates the detection of voice activity of /CVCVCV/ word for /b, d, k/ introducing vowel /a, u, i/ in Modern Standard Arabic (MSA) using the Zero Crossing Rate (ZCR) and Energy Level ...

9

Project BIG

Project BIG

... Tijdens het onderzoek blijkt dat de support vector machine met de short term energy en de zero crossing rate het beste resultaat heeft. Deze combinatie is in staat om de doodskreet te detecteren, ...

54

A Fuzzy C Means based GMM for Classifying Speech and Music Signals

A Fuzzy C Means based GMM for Classifying Speech and Music Signals

... a zero crossing is said to occur if there is a sign difference between successive ...The zero crossing rates (ZCR) are a simple measure of the frequency content of a ...average zero ...

7

Separating Voiced Segments from Music File using MFCC, ZCR and GMM

Separating Voiced Segments from Music File using MFCC, ZCR and GMM

... Zero-crossing rate is one of the temporal feature which is used to identify voice contained frames in the process of singing voice ...the zero amplitude line by transition from a positive to ...

5

Emotion recognition using Speech Signal: A Review

Emotion recognition using Speech Signal: A Review

... A zero crossing is said to occur if successive samples have different algebraic ...the zero amplitude line by passage from a positive to negative or vice ...and zero crossing ...

7

Voiced/Unvoiced Classification by Hybrid Method Based On Cepstrum and EMD

Voiced/Unvoiced Classification by Hybrid Method Based On Cepstrum and EMD

... peak, zero crossing rate and energy of short time segment of speech ...uses zero frequency filtered speech signal is used to extract the ...peak, zero crossing rate, and ...

6

Automatic Continuous Speech Segmentation to Improve Tamil Text to Speech Synthesis

Automatic Continuous Speech Segmentation to Improve Tamil Text to Speech Synthesis

... average zero crossing rate of a speech signal can be used in conjunction with the short time average energy (or magnitude) to discriminate between voiced speech, unvoiced speech and ...average ...

6

Acoustic object modeling for content based retrieval from multimedia databases

Acoustic object modeling for content based retrieval from multimedia databases

... a zero pitch ...the zero crossing rate and the volume curves, it is concluded that the segments with zero pitch correspond either to silence or unvoiced ...the zero pitch ...

34

A New Current Conveyor Full Wave Rectifier for Low Frequency/Small Signal Medical Applications

A New Current Conveyor Full Wave Rectifier for Low Frequency/Small Signal Medical Applications

... < ⇒ = −  (3) Because of the two out-of-phase currents at the outputs of two CCIIs, the rec- tifier cores (CM1 and CM2) are driven in the push-pull mode; hence, the zero crossing error can be canceled. ...

8

Switching at Zero Voltage Level

Switching at Zero Voltage Level

... The MOC302 is used in the circuit of the TRIAC. The MOC302 is nothing but the opto- isolator. the working of the opto-isolator is as mentioned above. The input to the Opto- Isolator is given by Arduino Nano Controller. ...

5

Linearized Phase Detector Zero Crossing DPLL  Performance Evaluation in Faded Mobile Channels

Linearized Phase Detector Zero Crossing DPLL Performance Evaluation in Faded Mobile Channels

... Phase Lock Loops (PLLs) are used in a wider range of communication applications such as carrier recovery synchronization, and demodulation [1]. A PLL is a clo- sed loop system in which the phase output tracks the phase ...

6

Temporal dynamics of musical emotions examined through intersubject synchrony of brain activity.

Temporal dynamics of musical emotions examined through intersubject synchrony of brain activity.

... dissonance, zero-crossing, spectral entropy, spectral centroid, ...signal. Zero-crossing and entropy are measures indicating the noisiness of the acoustic signal, whereas centroid describes ...

43

A permanent zero interest rate would maximise GDP

A permanent zero interest rate would maximise GDP

... borrowing should fund public investments have been set out: 1, the education anomaly in the golden rule, 2, the idea that investment justifies borrowing was shown to be invalid, 3, the future generations idea was shown ...

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Modulation Classification Algorithm for Software Radio Multiple Phase Shift Keying Signals, Using Zero Crossing Techniques

Modulation Classification Algorithm for Software Radio Multiple Phase Shift Keying Signals, Using Zero Crossing Techniques

... The original signal d(t) is contaminated with white Gaussian noise n(t) to give the received signal r(t), which is sampled to give sample sequence, {s(i)}. Suppose we choose N consecutive samples from {s(i)} (see Figure ...

7

Bridgeless Buck PFC Rectifier with Improved Power Factor

Bridgeless Buck PFC Rectifier with Improved Power Factor

... increase the conduction losses and reduce the efficiency. In this paper, a bridgeless unity PF buck rectifier is proposed. Two auxiliary flyback converters are used in a bridgeless buck topology to omit the zero ...

8

Digital Testing Kit For Three Phase Distribution Transformer

Digital Testing Kit For Three Phase Distribution Transformer

... 36V supply is given to op-am LM358 through the transformer, this 36V supply will step down at next op-am IC741 which acts as zero crossing detector. Property of IC 741 is to convert the sinusoidal wave into ...

5

Modelling Of Brushless DC Motor Drive Using Sensored And Sensorless Control(back EMF zero crossing etection)

Modelling Of Brushless DC Motor Drive Using Sensored And Sensorless Control(back EMF zero crossing etection)

... hardware implementation of brushless DC motor drive based on sensored and sensorless control (back Emf zero crossing detection) algorithm. The dynamic equations of the motor are modelled in MATLAB/SIMULINK. ...

10

Development Of Grid Frequency And Analyse The Data In Real Time

Development Of Grid Frequency And Analyse The Data In Real Time

... many zero crossing detection method for 50/60 Hz. The component of zero crossing circuit consist 5 diodes, 2 resisters, a capacitors and a ...for zero crossing detection as shown ...

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Interpreting the forced responses of a two-degree-of-freedom nonlinear oscillator using backbone curves

Interpreting the forced responses of a two-degree-of-freedom nonlinear oscillator using backbone curves

... be zero. Hence, if a predicted resonant crossing point represents a response where, due to the forcing and damping, the internal energy transfer for any mode is non-zero then it cannot represent a ...

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METHOD DEVELOPMENT AND VALIDATION FOR SIMULTANEOUS ESTIMATION OF ASPIRIN AND LANSOPRAZOLE IN BULK AND LABORATORY SAMPLE BY DIFFERENT UV SPECTROPHOTOMETRIC TECHNIQUES

METHOD DEVELOPMENT AND VALIDATION FOR SIMULTANEOUS ESTIMATION OF ASPIRIN AND LANSOPRAZOLE IN BULK AND LABORATORY SAMPLE BY DIFFERENT UV SPECTROPHOTOMETRIC TECHNIQUES

... in zero order ...on zero crossing first Derivative (D 1 ) spectrophotometry where Aspirin showed zero crossing point at 303nm and Lansoprazole showed zero crossing point ...

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