Related InterviewSolutions

• Which of the following LPC uses code book?(a) Multiple excited LPC(b) Residual excited LPC(c) LPC Vocoders(d) Code excited LPCI had been asked this question in unit test.This intriguing question comes from Linear Predictive Coders topic in section Speech Coding of Wireless/Mobile
• The type of frequency domain coding that divides the speech signal into sub bands is _____(a) Waveform coding(b) Vocoders(c) Block transform coding(d) Sub-band codingI have been asked this question by my college professor while I was bunking the class.My query is from Frequency Domain Coding of Speech topic in division Speech Coding of Wireless/Mobile
• Auto correlation function measures______ between samples of a speech signal as a function of _______(a) Similarity, frequency(b) Dissimilarity, time(c) Similarity, time(d) Dissimilarity, frequencyThe question was posed to me in an international level competition.My question is taken from Characteristics of Speech Signals topic in section Speech Coding of Wireless/Mobile
• Which of the following is not a property that is utilized in coder design?(a) Non zero autocorrelation between successive speech signals(b) Non flat nature of speech signal(c) Quasiperiodicity of voiced speech signals(d) Uniform probability distribution of speech amplitudeI got this question in a national level competition.My question is based upon Characteristics of Speech Signals in division Speech Coding of Wireless/Mobile
• Which of the following pronunciations lead to voiced sound?(a) ‘f’(b) ‘s’(c) ‘sh’(d) ‘m’I have been asked this question in a national level competition.My doubt is from Vocoders in division Speech Coding of Wireless/Mobile
• Which of the following is the name of original speech coder used in the pan European digital cellular standard GSM?(a) Multipulse excited codec(b) Residual excited codec(c) Regular pulse excited long term prediction(d) Code excited codecI have been asked this question in class test.This interesting question is from Speech Codecs topic in division Speech Coding of Wireless/Mobile
• RPE-LTP codec combines the advantage of RELP codec and CELP codec.(a) True(b) FalseThis question was addressed to me during an interview.This is a very interesting question from Speech Codecs topic in portion Speech Coding of Wireless/Mobile
• The problem of buzzy twang in synthesized speech is mitigated by multipulse excited LPC or code excited LPC.(a) True(b) FalseThis question was posed to me in examination.This question is from Linear Predictive Coders topic in division Speech Coding of Wireless/Mobile
• Speech coders are categorized on the basis of __________(a) Signal compression techniques(b) Frequency of signal(c) Bandwidth of the signal(d) Phase of the signalThe question was asked during a job interview.My enquiry is from Frequency Domain Coding of Speech topic in portion Speech Coding of Wireless/Mobile
• Signal to quantization noise ratio of a PCM encoder is given by _________(a) 6.02n + α(b) 3n + 6.02α(c) n + 6.02α(d) 6.02n + αI got this question by my college director while I was bunking the class.Origin of the question is Quantization Techniques in chapter Speech Coding of Wireless/Mobile