公开(公告)号：US09497544B2

公开(公告)日：2016-11-15

申请号：US13933005

申请日：2013-07-01

Applicant: QUALCOMM Incorporated

Inventor： Asif I. Mohammad ,  Lae-Hoon Kim ,  Erik Visser

IPC: H04B3/20 ,  H04R3/00 ,  H04B15/00 ,  G10L21/0208

CPC classification number: H04R3/005 ,  G10L2021/02082 ,  H04B3/20 ,  H04R2430/23

Abstract: A method for echo reduction by an electronic device is described. The method includes nulling at least one speaker. The method also includes mixing a set of runtime audio signals based on a set of acoustic paths to determine a reference signal. The method also includes receiving at least one composite audio signal that is based on the set of runtime audio signals. The method further includes reducing echo in the at least one composite audio signal based on the reference signal.

Abstract translation: 描述了一种通过电子设备进行回波减少的方法。 该方法包括使至少一个扬声器归零。 该方法还包括基于一组声学路径混合一组运行时音频信号以确定参考信号。 该方法还包括接收至少一个基于该组运行时音频信号的复合音频信号。 该方法还包括基于参考信号减少至少一个复合音频信号中的回波。

公开(公告)号：US20160309279A1

公开(公告)日：2016-10-20

申请号：US15195780

申请日：2016-06-28

Applicant: QUALCOMM Incorporated

Inventor： Lae-Hoon Kim ,  Pei Xiang ,  Erik Visser

IPC: H04S7/00 ,  H04R29/00 ,  H04R3/12

CPC classification number: H04S7/303 ,  G01S3/808 ,  H04R1/323 ,  H04R3/12 ,  H04R29/002 ,  H04R2430/20 ,  H04R2499/13 ,  H04S7/301 ,  H04S7/302

Abstract: A wireless device is described. The wireless device includes at least two microphones on the wireless device. The microphones are configured to capture sound from a target user. The wireless device also includes processing circuitry. The processing circuitry is coupled to the microphones. The processing circuitry is configured to locate the target user. The wireless device further includes a communication interface. The communication interface is coupled to the processing circuitry. The communication interface is configured to receive external device microphone audio from at least one external device microphone to assist the processing circuitry in the wireless device to locate the target user.

Abstract translation: 描述无线设备。 无线设备在无线设备上包括至少两个麦克风。 麦克风被配置为捕获来自目标用户的声音。 无线设备还包括处理电路。 处理电路耦合到麦克风。 处理电路被配置为定位目标用户。 无线设备还包括通信接口。 通信接口耦合到处理电路。 通信接口被配置为从至少一个外部设备麦克风接收外部设备麦克风音频，以帮助无线设备中的处理电路定位目标用户。

公开(公告)号：US20160254007A1

公开(公告)日：2016-09-01

申请号：US14634637

申请日：2015-02-27

Applicant: QUALCOMM Incorporated

Inventor： Yinyi Guo ,  Shuhua Zhang ,  Erik Visser ,  Lae-Hoon Kim ,  Sanghyun Chi

IPC: G10L21/0208 ,  G10L21/034 ,  H03G5/00 ,  H03G5/16

CPC classification number: G10L21/0208 ,  G10L21/0232 ,  G10L21/034 ,  H03G5/005 ,  H03G5/165

Abstract: A method for speech restoration by an electronic device is described. The method includes obtaining a noisy speech signal. The method also includes suppressing noise in the noisy speech signal to produce a noise-suppressed speech signal. The noise-suppressed speech signal has a bandwidth that includes at least three subbands. The method further includes iteratively restoring each of the at least three subbands. Each of the at least three subbands is restored based on all previously restored subbands of the at least three subbands.

Abstract translation: 描述了一种通过电子设备进行语音恢复的方法。 该方法包括获得噪声语音信号。 该方法还包括抑制噪声语音信号中的噪声以产生噪声抑制语音信号。 噪声抑制语音信号具有包括至少三个子带的带宽。 该方法还包括迭代地恢复至少三个子带中的每一个。 所述至少三个子带中的每一个基于所述至少三个子带的所有先前恢复的子带被恢复。

公开(公告)号：US09305567B2

公开(公告)日：2016-04-05

申请号：US13827894

申请日：2013-03-14

Applicant: QUALCOMM Incorporated

Inventor： Erik Visser ,  Lae-Hoon Kim ,  Jongwon Shin ,  Yinyi Guo ,  Sang-Uk Ryu ,  Andre Gustavo P. Schevciw

IPC: G10L21/0208 ,  G10L15/20 ,  G10L21/0316 ,  G10L25/93 ,  G10L21/0216

CPC classification number: G10L21/0208 ,  G10L15/20 ,  G10L21/0316 ,  G10L25/93 ,  G10L2021/02165

Abstract: A method for signal level matching by an electronic device is described. The method includes capturing a plurality of audio signals from a plurality of microphones. The method also includes determining a difference signal based on an inter-microphone subtraction. The difference signal includes multiple harmonics. The method also includes determining whether a harmonicity of the difference signal exceeds a harmonicity threshold. The method also includes preserving the harmonics to determine an envelope. The method further applies the envelope to a noise-suppressed signal.

Abstract translation: 描述了一种由电子设备进行信号电平匹配的方法。 该方法包括从多个麦克风中捕获多个音频信号。 该方法还包括基于麦克风间减法确定差分信号。 差分信号包括多个谐波。 该方法还包括确定差分信号的谐波是否超过谐波阈值。 该方法还包括保存谐波以确定信封。 该方法进一步将包络应用于噪声抑制信号。

公开(公告)号：US20160004405A1

公开(公告)日：2016-01-07

申请号：US14789736

申请日：2015-07-01

Applicant: QUALCOMM Incorporated

Inventor： Lae-Hoon Kim ,  Erik Visser ,  Raghuveer Peri ,  Phuong Lam Ton ,  Jeremy Patrick Toman ,  Troy Schultz ,  Jimeng Zheng

IPC: G06F3/0487 ,  G06F3/0484

CPC classification number: H04R3/005 ,  G06F3/0484 ,  G06F3/04847 ,  G06F3/0487 ,  G06F3/165 ,  G06F3/167 ,  G10H2210/305 ,  G10H2220/096 ,  G10H2220/106 ,  G10H2220/211 ,  G10H2220/355 ,  G10H2230/015 ,  G10L21/0208 ,  H04R29/008 ,  H04R2430/01 ,  H04S7/30 ,  H04S7/40

Abstract: A method of processing audio may include receiving, by a computing device, a plurality of real-time audio signals outputted by a plurality of microphones communicatively coupled to the computing device. The computing device may output to a display a graphical user interface (GUI) that presents audio information associated with the received audio signals. The one or more received audio signals may be processed based on a user input associated with the audio information presented via the GUI to generate one or more processed audio signals. The one or more processed audio signals may be output to, for example, one or more output devices such as speakers, headsets, and the like.

Abstract translation: 一种处理音频的方法可以包括由计算设备接收由通信地耦合到所述计算设备的多个麦克风输出的多个实时音频信号。 计算设备可以向显示器输出呈现与所接收的音频信号相关联的音频信息的图形用户界面（GUI）。 可以基于与经由GUI呈现的音频信息相关联的用户输入来处理一个或多个接收的音频信号，以生成一个或多个处理的音频信号。 一个或多个经处理的音频信号可以输出到例如一个或多个输出设备，例如扬声器，耳机等。

公开(公告)号：US20150301796A1

公开(公告)日：2015-10-22

申请号：US14688974

申请日：2015-04-16

Applicant: QUALCOMM Incorporated

Inventor： Erik Visser ,  Lae-Hoon Kim ,  Minho Jin ,  Yinyi Guo

IPC: G06F3/16 ,  G10L15/22

CPC classification number: G06F3/167 ,  G10L15/22 ,  G10L17/04 ,  G10L17/08 ,  G10L17/22

Abstract: A device includes a memory, a receiver, a processor, and a display. The memory is configured to store a speaker model. The receiver is configured to receive an input audio signal. The processor is configured to determine a first confidence level associated with a first portion of the input audio signal based on the speaker model. The processor is also configured to determine a second confidence level associated with a second portion of the input audio signal based on the speaker model. The display is configured to present a graphical user interface associated with the first confidence level or associated with the second confidence level.

Abstract translation: 设备包括存储器，接收器，处理器和显示器。 存储器被配置为存储扬声器模型。 接收器被配置为接收输入音频信号。 处理器被配置为基于说话者模型来确定与输入音频信号的第一部分相关联的第一置信水平。 处理器还被配置为基于说话者模型来确定与输入音频信号的第二部分相关联的第二置信度。 显示器被配置为呈现与第一置信水平相关联或与第二置信水平相关联的图形用户界面。

公开(公告)号：US20150220715A1

公开(公告)日：2015-08-06

申请号：US14172619

申请日：2014-02-04

Applicant: QUALCOMM Incorporated

Inventor： Lae-Hoon Kim ,  Juhan Nam ,  Erik Visser

IPC: G06F21/32 ,  G06F3/16

CPC classification number: G06F21/32 ,  G06F3/16 ,  G06F21/46 ,  G10L15/18

Abstract: A method for evaluating strength of an audio password by an electronic device is described. The method includes obtaining an audio signal captured by one or more microphones. The audio signal includes an audio password. The method also includes evaluating the strength of the audio password based on measuring one or more unique characteristics of the audio signal. The method further includes informing a user that the audio password is weak based on the evaluation of the strength of the audio password.

Abstract translation: 描述用于通过电子设备评估音频密码的强度的方法。 该方法包括获得由一个或多个麦克风捕获的音频信号。 音频信号包括音频密码。 该方法还包括基于测量音频信号的一个或多个独特特征来评估音频密码的强度。 该方法还包括基于对音频密码的强度的评估来通知用户音频密码较弱。

公开(公告)号：US20150162014A1

公开(公告)日：2015-06-11

申请号：US14258973

申请日：2014-04-22

Applicant: QUALCOMM Incorporated

Inventor： Shuhua Zhang ,  Juhan Nam ,  Erik Visser ,  Lae-Hoon Kim ,  Yinyi Guo

IPC: G10L19/02

CPC classification number: G10L19/02 ,  G10L21/0232 ,  G10L25/15 ,  G10L25/72 ,  G10L25/90 ,  G10L25/93

Abstract: A method for enhancing an audio signal by an electronic device is described. The method includes determining formant peaks based on an audio signal. The method also includes generating formant peak models. Generating formant peak models includes individually modeling each formant peak. The method further includes generating a global envelope based on the formant peak models.

Abstract translation: 描述了一种通过电子设备增强音频信号的方法。 该方法包括基于音频信号确定共振峰。 该方法还包括产生共振峰峰值模型。 产生共振峰峰值模型包括对每个共振峰进行单独建模。 该方法还包括基于共振峰峰值模型生成全局包络。

公开(公告)号：US20140337021A1

公开(公告)日：2014-11-13

申请号：US14083183

申请日：2013-11-18

Applicant: QUALCOMM Incorporated

Inventor： Lae-Hoon Kim ,  Juhan Nam ,  Erik Visser

IPC: G10L21/0208

CPC classification number: G10L21/0208 ,  G10L25/81 ,  G10L25/84

Abstract: A method for noise characteristic dependent speech enhancement by an electronic device is described. The method includes determining a noise characteristic of input audio. Determining a noise characteristic of input audio includes determining whether noise is stationary noise and determining whether the noise is music noise. The method also includes determining a noise reference based on the noise characteristic. Determining the noise reference includes excluding a spatial noise reference from the noise reference when the noise is stationary noise and including the spatial noise reference in the noise reference when the noise is not music noise and is not stationary noise. The method further includes performing noise suppression based on the noise characteristic.

Abstract translation: 描述了一种通过电子设备进行噪声特性相关语音增强的方法。 该方法包括确定输入音频的噪声特性。 确定输入音频的噪声特性包括确定噪声是否是静止噪声，以及确定噪声是否是音乐噪声。 该方法还包括基于噪声特性来确定噪声参考。 确定噪声参考包括当噪声是静止噪声时，从噪声参考中排除空间噪声参考，并且当噪声不是音乐噪声并且不是静止噪声时，包括噪声参考中的空间噪声参考。 该方法还包括基于噪声特性执行噪声抑制。

公开(公告)号：US20130339011A1

公开(公告)日：2013-12-19

申请号：US13840863

申请日：2013-03-15

Applicant: QUALCOMM INCORPORATED

Inventor： Erik Visser ,  Yinyi Guo ,  Lae-Hoon Kim ,  Pei Xiang

IPC: G10L25/90

CPC classification number: G10L25/90 ,  G10H1/0008 ,  G10H1/361 ,  G10H2210/056 ,  G10H2210/066 ,  G10H2210/211 ,  G10H2250/131 ,  G10H2250/215 ,  G10H2250/225 ,  G10H2250/251

Abstract: Systems, methods, and apparatus for pitch trajectory analysis are described. Such techniques may be used to remove vocals and/or vibrato from an audio mixture signal. For example, such a technique may be used to pre-process the signal before an operation to decompose the mixture signal into individual instrument components.

Abstract translation: 描述了用于俯仰轨迹分析的系统，方法和装置。 这样的技术可以用于从音频混合信号中去除声音和/或颤音。 例如，这样的技术可以用于在将混合信号分解成单独的仪器部件的操作之前预处理信号。