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Gain shape estimation for improved tracking of high-band temporal characteristics
Gain shape estimation for improved tracking of high-band temporal characteristics
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机译:增益形状估计可改善对高频带时间特性的跟踪
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摘要
A method includes determining, at a speech encoder, first gain shape parameters based on a harmonically extended signal and/or based on a high-band residual signal associated with a high-band portion of an audio signal. The method also includes determining second gain shape parameters based on a synthesized high-band signal and based on the high-band portion of the audio signal. The method further includes inserting the first gain parameters and the second gain shape parameters into an encoded version of the audio signal to enable gain adjustment during reproduction of the audio signal from the encoded version of the audio signal.
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