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Trent Limited (portmanteau of Tata Retail Enterprise) is an Indian retail company, which is part of the Tata Group and based in Mumbai.Started in 1998, Trent owns and operates fashion and lifestyle retail formats such as Westside, Zudio and Utsa.
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Design variables can be continuous (such as a wing span), discrete (such as the number of ribs in a wing), or Boolean (such as whether to build a monoplane or a biplane). Design problems with continuous variables are normally solved more easily. Design variables are often bounded, that is, they often have maximum and minimum values.
They are derived from a type of cepstral representation of the audio clip (a nonlinear "spectrum-of-a-spectrum"). The difference between the cepstrum and the mel-frequency cepstrum is that in the MFC, the frequency bands are equally spaced on the mel scale, which approximates the human auditory system's response more closely than the linearly ...
This is the perceptual model of the encoding system. The spectral components are quantized and coded, keeping the quantization noise below the masked threshold. Finally, the bitstream is formed. The analysis of the results are based on the Subjective Difference Grade. It compares the signal under test with the original reference signal.
Ratio settings ranged from 1:1 to 20:1 and there were controls for threshold and release time. The inclusion of an expander/gate provided attenuation of the gain during pauses in the audio signal to reduce noise caused by compression; the expander/gate could also be used for special 'punchy' effects, favoured on drum and percussive sounds.
Speech Transmission Index (STI) is a measure of speech transmission quality. The absolute measurement of speech intelligibility is a complex science. The STI measures some physical characteristics of a transmission channel (a room, electro-acoustic equipment, telephone line, etc.), and expresses the ability of the channel to carry across the characteristics of a speech signal.
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