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  2. Content analysis - Wikipedia

    en.wikipedia.org/wiki/Content_analysis

    Quantitative content analysis highlights frequency counts and statistical analysis of these coded frequencies. [7] Additionally, quantitative content analysis begins with a framed hypothesis with coding decided on before the analysis begins. These coding categories are strictly relevant to the researcher's hypothesis.

  3. Audio forensics - Wikipedia

    en.wikipedia.org/wiki/Audio_forensics

    The content analysis is the central part of the digital forensic analysis process and it is based on the content of the audio file to find traces of manipulation and anti-forensic processing operations. The content-based audio forensic techniques can be split in the following categories: Electrical Network Frequency (ENF)

  4. Online content analysis - Wikipedia

    en.wikipedia.org/wiki/Online_content_analysis

    While content analysis is often quantitative, researchers conceptualize the technique as inherently mixed methods because textual coding requires a high degree of qualitative interpretation. [3] Social scientists have used this technique to investigate research questions concerning mass media , [ 1 ] media effects [ 4 ] and agenda setting .

  5. Frequency analysis - Wikipedia

    en.wikipedia.org/wiki/Frequency_analysis

    In cryptanalysis, frequency analysis (also known as counting letters) is the study of the frequency of letters or groups of letters in a ciphertext. The method is used as an aid to breaking classical ciphers .

  6. Bartlett's method - Wikipedia

    en.wikipedia.org/wiki/Bartlett's_method

    [2] [3] A final estimate of the spectrum at a given frequency is obtained by averaging the estimates from the periodograms (at the same frequency) derived from non-overlapping portions of the original series. The method is used in physics, engineering, and applied mathematics. Common applications of Bartlett's method are frequency response ...

  7. Data analysis - Wikipedia

    en.wikipedia.org/wiki/Data_analysis

    Nonlinear analysis is often necessary when the data is recorded from a nonlinear system. Nonlinear systems can exhibit complex dynamic effects including bifurcations, chaos, harmonics and subharmonics that cannot be analyzed using simple linear methods. Nonlinear data analysis is closely related to nonlinear system identification. [133]

  8. These 89 Appetizers Might Just Be The Best Part Of ... - AOL

    www.aol.com/89-appetizers-might-just-best...

    Turkey Cheese Ball. Even if you're not serving turkey this Thanksgiving doesn't mean you can't get in on the theme. Enter: this adorable cheeseball.We used carrots, pecans, pretzels, and bell ...

  9. Pitch detection algorithm - Wikipedia

    en.wikipedia.org/wiki/Pitch_detection_algorithm

    The fundamental frequency of speech can vary from 40 Hz for low-pitched voices to 600 Hz for high-pitched voices. [12] Autocorrelation methods need at least two pitch periods to detect pitch. This means that in order to detect a fundamental frequency of 40 Hz, at least 50 milliseconds (ms) of the speech signal must be analyzed.

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