公开(公告)号：US20150180436A1

公开(公告)日：2015-06-25

申请号：US14346806

申请日：2012-09-24

Applicant: ST -Ericsson SA

Inventor： Stéphan Tassart

IPC: H03G5/16 ,  H03G3/20

CPC classification number: H03G5/165 ,  H03G3/20 ,  H03G5/005

Abstract: A method for configuring an electronic device having an equalizer suited for processing a numeric audio signal according to an objective equalization improves the equalization of the numeric audio signal. The equalizer has a transfer function that implements a set of band-pass filters having a constant band-pass and a configurable weight in the transfer function. The method provides a set of objective gains representing the objective equalization, with each objective gain corresponding to a respective frequency. The method also determines values of the weights of the band-pass filters that minimize an error evaluated by comparing the set of objective gains to the transfer function. The set of band-pass filters includes at least one pair of band-pass filters having a common central frequency and distinct band-passes. The method also sets the weights of the band-pass filters to the determined values.

Abstract translation: 用于配置具有适于根据客观均衡处理数字音频信号的均衡器的电子设备的方法改善了数字音频信号的均衡。 均衡器具有传递函数，该传递函数在传递函数中实现具有恒定带通和可配置权重的一组带通滤波器。 该方法提供表示目标均衡的一组客观增益，每个目标增益对应于相应的频率。 该方法还确定通过将目标增益集合与传递函数进行比较来最小化评估误差的带通滤波器的权重值。 该组带通滤波器包括具有共同的中心频率和不同带通的至少一对带通滤波器。 该方法还将带通滤波器的权重设置为确定的值。

公开(公告)号：US09172346B2

公开(公告)日：2015-10-27

申请号：US14346806

申请日：2012-09-24

Applicant: ST-Ericsson SA

Inventor： Stéphan Tassart

IPC: H03G5/16 ,  H03G5/00 ,  H03G3/20

CPC classification number: H03G5/165 ,  H03G3/20 ,  H03G5/005

Abstract: A method for configuring an electronic device having an equalizer suited for processing a numeric audio signal according to an objective equalization improves the equalization of the numeric audio signal. The equalizer has a transfer function that implements a set of band-pass filters having a constant band-pass and a configurable weight in the transfer function. The method provides a set of objective gains representing the objective equalization, with each objective gain corresponding to a respective frequency. The method also determines values of the weights of the band-pass filters that minimize an error evaluated by comparing the set of objective gains to the transfer function. The set of band-pass filters includes at least one pair of band-pass filters having a common central frequency and distinct band-passes. The method also sets the weights of the band-pass filters to the determined values.

Abstract translation: 用于配置具有适于根据客观均衡处理数字音频信号的均衡器的电子设备的方法改善了数字音频信号的均衡。 均衡器具有传递函数，该传递函数在传递函数中实现具有恒定带通和可配置权重的一组带通滤波器。 该方法提供表示目标均衡的一组客观增益，每个目标增益对应于相应的频率。 该方法还确定通过将目标增益集合与传递函数进行比较来最小化评估误差的带通滤波器的权重值。 该组带通滤波器包括具有共同的中心频率和不同带通的至少一对带通滤波器。 该方法还将带通滤波器的权重设置为确定的值。