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1)Nonuniform probability distribution of speech amplitude.
2)Nonzero autocorrelation between successive speech samples.
3)Nonflat nature of the speech spectra.
4)The most basic:speech is band limited.
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∙ 12y ago
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Why sinusoidal signal is called basic signal?
The sinusoidal signal is called a basic signal because, by Fourier Analysis, you can not further reduce it. It is one sine wave of one frequency of one amplitude of one phase. It has no harmonics. If you converted it from time domain to frequency domain you would only get one line, at the fundamental frequency.
How is voice communications converted to digital signals?
The human voice is an analogue signal because the frequency of the sound varies in the sound waves as well as their amplitude that gives the power. Analog signal is defined as a signal that has a continuously varying amplitude or frequency. Human speech, and everything else a human hear, is in analog form.
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FM or frequency modulation is a means to vary the frequency withing a set basic frequency and transmit it. FM radio demodulate the frequency extracting the signal that made the frequency shift at the source.
What is the latest research in vlsi signal processing?
Earlier, signal processing was mainly dealt with MATLAB and Simulink. DSP processors were used to process those signals. But now, VLSI platform such as FPGA and CPLD are used for the same purpose. Design and implementation of signal processing on FPGAs and CPLDs is the latest research in VLSI signal processing. Even in this domain, speech processing is mainly researched now.
Which modulation can reduce the noice of signal?
Signals of different frequencies cannot interfere with each other. For example can audio waves (speech) interfere with AM or FM signals?? So when we perform modulation we just transfer the message to another amplitude/frequency/phase. Hence they will never interfere with signals which are not in the same range as them. Regards Arvind
Data communication for signal characteristics?
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Phonetic engine is the signal to symbol transform action module which uses the acoustic phonetic information present in the speech signal to convert the speech signal into symbolic form. It is used to convert the speech signal into subwords.
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Speech involves the production of sounds through the coordination of the vocal cords, mouth, and tongue. It allows for the expression of language through the articulation of sounds and words. Speech can convey information, emotions, and intentions through the use of vocabulary, intonation, and pacing.
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What are the Basic types of speech?
The basic types of speech are informative, persuasive, entertaining, and special occasion speeches. Informative speeches aim to educate the audience on a specific topic, persuasive speeches seek to convince the audience to adopt a particular viewpoint, entertaining speeches are meant to amuse and engage the listeners, and special occasion speeches are delivered at specific events or ceremonies.
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Air masses are described by two basic characteristics. Temperature and moisture, or humidity, are the main characteristics that define an air mass.
What are the three basic characteristics associated with motivation?
Activation, persistence, and intensity are the three basic characteristics associated with motivation.
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The word characteristics is a plural noun. The singular is characteristic.
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carrier signal- use for the purpose of conveying information. modulating signal- causes variations in some characteristics of carrier signal. modulated signal - carrier signal after altration in its characteristics is called modulated signal. example- if you want to see an object (suppose it is an modulating signal),you need light(light is carrier signal) and when light will reflect on object you will be able to see if (that is modulated signal)
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Reflection of a transmitted signal is the basic premise of radar and sonar.
