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1. 发明授权

US08406431B2 Adaptive gain control for digital audio samples in a media stream 有权
标题翻译：媒体流中数字音频样本的自适应增益控制
公开(公告)号：US08406431B2
公开(公告)日：2013-03-26
申请号：US12507971
申请日：2009-07-23
申请人： Venkata Kishore Nandury
发明人： Venkata Kishore Nandury
IPC分类号： A61F11/06
CPC分类号： H04R3/00 , G10L21/0364 , H03G7/007 , H04S2400/13
摘要： An adaptive gain control system and related operating method for digital audio samples is provided. The method is suitable for use with a digital media encoding system that transmits encoded media streams to a remotely-located presentation device such as a media player. The method begins by initializing the processing of a media stream. Then, the method adjusts the gain of a first set of digital audio samples in the media stream using a fast gain adaptation scheme, resulting in a first group of gain-adjusted digital audio samples having normalized volume during presentation. The method continues by adjusting the gain of a second set of digital audio samples in the media stream using a steady state gain adaptation scheme that is different than the fast gain adaptation scheme, resulting in a second group of gain-adjusted digital audio samples having normalized volume during presentation.
摘要翻译：提供了一种数字音频样本的自适应增益控制系统和相关操作方法。该方法适用于将编码的媒体流传输到诸如媒体播放器的远程呈现设备的数字媒体编码系统。该方法开始于初始化媒体流的处理。然后，该方法使用快速增益适配方案来调整媒体流中的第一组数字音频样本的增益，从而产生在呈现期间具有归一化音量的第一组增益调整数字音频样本。该方法通过使用不同于快速增益自适应方案的稳态增益适配方案来调节媒体流中第二组数字音频样本的增益，导致第二组经增益调整的数字音频样本具有归一化演示期间的音量。

2. 发明申请

US20110019839A1 ADAPTIVE GAIN CONTROL FOR DIGITAL AUDIO SAMPLES IN A MEDIA STREAM 有权
标题翻译：媒体流中数字音频样本的自适应增益控制
公开(公告)号：US20110019839A1
公开(公告)日：2011-01-27
申请号：US12507971
申请日：2009-07-23
申请人： Venkata Kishore Nandury
发明人： Venkata Kishore Nandury
IPC分类号： H03G3/00
CPC分类号： H04R3/00 , G10L21/0364 , H03G7/007 , H04S2400/13
摘要： An adaptive gain control system and related operating method for digital audio samples is provided. The method is suitable for use with a digital media encoding system that transmits encoded media streams to a remotely-located presentation device such as a media player. The method begins by initializing the processing of a media stream. Then, the method adjusts the gain of a first set of digital audio samples in the media stream using a fast gain adaptation scheme, resulting in a first group of gain-adjusted digital audio samples having normalized volume during presentation. The method continues by adjusting the gain of a second set of digital audio samples in the media stream using a steady state gain adaptation scheme that is different than the fast gain adaptation scheme, resulting in a second group of gain-adjusted digital audio samples having normalized volume during presentation.
摘要翻译：提供了一种数字音频样本的自适应增益控制系统和相关操作方法。该方法适用于将编码的媒体流传输到诸如媒体播放器的远程呈现设备的数字媒体编码系统。该方法开始于初始化媒体流的处理。然后，该方法使用快速增益适配方案来调整媒体流中的第一组数字音频样本的增益，从而产生在呈现期间具有归一化音量的第一组增益调整数字音频样本。该方法通过使用不同于快速增益自适应方案的稳态增益适配方案来调节媒体流中第二组数字音频样本的增益，导致第二组经增益调整的数字音频样本具有归一化演示期间的音量。

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