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Log area ratios (LAR) can be used to repre … Log area ratios (LAR) can be used to represent reflection coefficients (another form for linear prediction coefficients) for transmission over a channel. While not as efficient as line spectral pairs (LSPs), log area ratios are much simpler to compute. Let be the kth reflection coefficient of a filter, the kth LAR is: Use of Log Area Ratios have now been mostly replaced by Line Spectral Pairs, but older codecs, such as GSM-FR use LARs.but older codecs, such as GSM-FR use LARs.
, Log Area Ratio（LAR、ログ面積比）は線形予測係数と等価なパラメータで、音声符号化などで使われる。同様の目的でよく使われている線スペクトル対ほど効率的ではないが、単純に計算できるため GSM の最初の音声コーデックである GSM-FR などで使用されていた。
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| rdfs:comment |
Log area ratios (LAR) can be used to repre … Log area ratios (LAR) can be used to represent reflection coefficients (another form for linear prediction coefficients) for transmission over a channel. While not as efficient as line spectral pairs (LSPs), log area ratios are much simpler to compute. Let be the kth reflection coefficient of a filter, the kth LAR is: Use of Log Area Ratios have now been mostly replaced by Line Spectral Pairs, but older codecs, such as GSM-FR use LARs.but older codecs, such as GSM-FR use LARs.
, Log Area Ratio（LAR、ログ面積比）は線形予測係数と等価なパラメータで、音声符号化などで使われる。同様の目的でよく使われている線スペクトル対ほど効率的ではないが、単純に計算できるため GSM の最初の音声コーデックである GSM-FR などで使用されていた。
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| rdfs:label |
Log area ratio
, Log Area Ratio
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