公开(公告)号：US09350895B1

公开(公告)日：2016-05-24

申请号：US14548146

申请日：2014-11-19

Applicant: GoPro, Inc.

Inventor： Paul Beckmann ,  Erich Tisch ,  Eric Jing

IPC: H04N5/228 ,  H04N1/21

CPC classification number: H04N9/802 ,  G10L21/0216 ,  G10L21/0264 ,  G10L2021/02166 ,  H04N1/2125 ,  H04N9/7908 ,  H04R3/005 ,  H04R2499/11

Abstract: A camera system includes a first microphone, a second microphone, and a microphone controller. The first microphone and the second microphone are configured to capture audio over a time interval to produce a first captured audio signal and a second captured audio signal, respectively. The second captured audio signal is dampened relative to the first captured audio signal by a dampening factor. The microphone controller is configured to store the first captured audio signal in response to a determination that the first captured audio signal does not clip. In response to a determination that the first captured audio signal clips, the microphone controller is configured to identify a gain between the first captured audio signal and the second captured audio signal representative of the dampening factor, amplify the second captured audio signal based on the identified gain, and store the amplified second captured audio signal.

Abstract translation: 相机系统包括第一麦克风，第二麦克风和麦克风控制器。 第一麦克风和第二麦克风被配置为在一段时间间隔内捕获音频以分别产生第一捕获音频信号和第二捕获音频信号。 第二捕获的音频信号相对于第一捕获的音频信号被阻尼因子衰减。 麦克风控制器被配置为响应于确定第一捕获的音频信号不被剪切而存储第一捕获的音频信号。 响应于确定第一捕获的音频信号剪辑，麦克风控制器被配置为识别代表衰减因子的第一捕获音频信号和第二捕获音频信号之间的增益，基于所识别的音频信号放大第二捕获音频信号 增益并存储放大的第二捕获音频信号。

公开(公告)号：US20160142579A1

公开(公告)日：2016-05-19

申请号：US14548146

申请日：2014-11-19

Applicant: GoPro, Inc.

Inventor： Paul Beckmann ,  Erich Tisch ,  Eric Jing

IPC: H04N1/21

CPC classification number: H04N9/802 ,  G10L21/0216 ,  G10L21/0264 ,  G10L2021/02166 ,  H04N1/2125 ,  H04N9/7908 ,  H04R3/005 ,  H04R2499/11

Abstract: A camera system includes a first microphone, a second microphone, and a microphone controller. The first microphone and the second microphone are configured to capture audio over a time interval to produce a first captured audio signal and a second captured audio signal, respectively. The second captured audio signal is dampened relative to the first captured audio signal by a dampening factor. The microphone controller is configured to store the first captured audio signal in response to a determination that the first captured audio signal does not clip. In response to a determination that the first captured audio signal clips, the microphone controller is configured to identify a gain between the first captured audio signal and the second captured audio signal representative of the dampening factor, amplify the second captured audio signal based on the identified gain, and store the amplified second captured audio signal.

Abstract translation: 相机系统包括第一麦克风，第二麦克风和麦克风控制器。 第一麦克风和第二麦克风被配置为在一段时间间隔内捕获音频以分别产生第一捕获音频信号和第二捕获音频信号。 第二捕获的音频信号相对于第一捕获的音频信号被阻尼因子衰减。 麦克风控制器被配置为响应于确定第一捕获的音频信号不被剪切而存储第一捕获的音频信号。 响应于确定第一捕获的音频信号剪辑，麦克风控制器被配置为识别代表衰减因子的第一捕获音频信号和第二捕获音频信号之间的增益，基于所识别的音频信号放大第二捕获音频信号 增益并存储放大的第二捕获音频信号。