mwirth-epo/epo-nmt-datasets huggingface dataset:
在示例18中，示例17的方法还可包括相对于所述压紧仪器的轴部旋转压紧螺母，以使所述轴部抵靠所述第二固定构件纵向移动。
In Example 18, the method of Example 17 can further comprise rotating a compression nut relative to the shaft of the compression instrument to move the shaft longitudinally against the second fixation member.
在示例19中，示例18的方法还可包括将所述压紧仪器的轴部插入所述髓内植入物的内孔中并使所述轴部抵靠所述第二固定构件移动。
In Example 19, the method of Example 18 can further comprise inserting the shaft of the compression instrument into the internal bore of the intramedullary implant and moving the shaft against the second fixation member.
通过参考以下结合附图给出的示例的描述，本公开的上述和其他特征和优点以及实现它们的方式将变得更加明显并且将更好地理解本公开本身，其中：
The above-mentioned and other features and advantages of this disclosure, and the manner of attaining them, will become more apparent and the disclosure itself will be better understood by reference to the following description of examples taken in conjunction with the accompanying drawings, wherein:
图1是髓内植入物和可与髓内植入物一起使用的压紧仪器的分解图。
FIG. 1 is an exploded view of an intramedullary implant and a compression instrument usable with the intramedullary implant.
图2A-C是图1中所示的压紧仪器的夹具凸头的若干立体图(图2A-B)和俯视图(图2C)。
FIGS. 2A-C are several perspective views (FIGS. 2A-B ) and a top view (FIG. 2C ) of a jig nose of the compression instrument shown in FIG. 1.
图3是图1中所示的压紧仪器的压紧螺母的侧立体图。
FIG. 3 is a side perspective view of a compression nut of the compression instrument shown in FIG. 1.
图4是图1中所示的压紧仪器的压紧柱的侧立体图。
FIG. 4 is a side perspective view of a compression post of the compression instrument shown in FIG. 1.
图5A-B是图1的压紧仪器的防旋转框架的侧视图(图5A)和仰视图(图5B)。
FIGS. 5A-B are side (FIG. 5A ) and bottom (FIG. 5B ) views of an anti-rotation frame of the compression instrument of FIG. 1.
图5C是图5A-B的防旋转框架的俯视图，其中图4的压紧柱的一部分延伸穿过所述框架。
FIG. 5C is a top view of the anti-rotation frame of FIGS. 5A-B with a portion of the compression post of FIG. 4 extending through the frame.
图6A-B是可与图1的压紧仪器一起使用的马蹄形件的俯视图(图6A)和剖视图(图6B)。
FIGS. 6A-B are top (FIG. 6A ) and cross-sectional (FIG. 6B ) views of a horseshoe usable with the compression instrument of FIG. 1.
图7是附接至图1的髓内植入物的图1的压紧仪器的部分透明视图。
FIG. 7 is a partially-transparent view of the compression instrument of FIG. 1 attached to the intramedullary implant of FIG. 1.
图8是图7的剖视图。
FIG. 8 is a cross-sectional view of FIG. 7.
图9A-C是使用多个骨螺钉穿过踝部插入患者胫骨中的图1的髓内植入物的各种解剖学视图。
FIGS. 9A-C are various anatomical views of the intramedullary implant of FIG. 1 inserted through the ankle and into the tibia of a patient using a number of bone screws.
图10A是图1中所示的髓内植入物的侧视图。
FIG. 10A is a side view of the intramedullary implant shown in FIG. 1.
图10B是图10A的髓内植入物的近侧部分的特写视图，图10C是图10B的剖视图。
FIG. 10B is a close-up view of a proximal section of the intramedullary implant of FIG. 10A, and
图10D是图10A-C的髓内植入物的剖视图。
FIG. 10D is a cross-sectional view of the intramedullary implant of FIGS. 10A-C.
相应的附图标记在若干视图中指示相应的部件。
Corresponding reference characters indicate corresponding parts throughout the several views.
本文中阐述的示例说明了本公开的示例，并且这些示例不应被解释为以任何方式限制本公开的范围。
The exemplifications set out herein illustrate examples of the disclosure, and such exemplifications are not to be construed as limiting the scope of the disclosure in any manner.
在描述所示出的并且将参考附图描述的本发明的示例时，为了清楚起见将使用特定术语。
In describing the examples of the invention(s) illustrated and to be described with respect to the drawings, specific terminology will be used for the sake of clarity.
图6示意性地示出了根据本文第三示例方面的示例实施例的光学相干断层扫描装置。
Fig. 6 schematically illustrates an optical coherence tomography apparatus according to an example embodiment of the third example aspect herein.
现在将参考附图详细描述本文的示例性实施例。
Exemplary embodiments herein will now be described in detail with reference to the accompanying drawings.
图3a是根据本文第一示例方面的第一示例实施例的光学系统100’-1的示意图，其表示对传统光学系统100的改进。
Figure 3a is a schematic illustration of an optical system 100'-1 according to a first example embodiment of the first example aspect herein, which represents an improvement of the conventional optical system 100.
光学系统100’-1可以替代形成如图1所示的传统OCT装置10的一部分的传统光学系统100，导致改进的OCT装置10’，如下面参考图6进一步所述的。
The optical system 100'-1 may replace the conventional optical system 100 forming part of a conventional OCT apparatus 10 as illustrated in Fig. 1, resulting in an improved OCT apparatus 10', as described further below with reference to Fig. 6.
在光学系统100’-1中，由光源(图3a中未示出)提供的光束200入射到具有反射表面280的反射器210a上。
In the optical system 100'-1, a light beam 200 provided by a light source (not shown in Fig. 3a ) is incident on a reflector 210a having reflective surfaces 280.
反射器210a被配置成反射光束200，使得光束200入射到反射器210a上的部分和光束200被反射器210a反射的部分彼此平行。
The reflector 210a is configured to reflect the light beam 200 such that the portion of the light beam 200 incident on the reflector 210a and the portion of the light beam 200 reflected by the reflector 210a are parallel to each other.
还如图3a所示，光学系统100’-1还包括第二反射器210b。
The optical system 100'-1 further comprises a second reflector 210b, as also illustrated in Fig. 3a.
注意，在入射到反射器(210a或210b)上的状态和从反射器反射的状态之间，可能发生光束200在反射器内部或在反射器上的一次或更多次附加反射。
It is noted that, between the state of being incident on a reflector (210a or 210b) and the state of being reflected from a reflector, one or more additional reflections of the light beam 200 inside or on the reflector may occur.
光束入射到反射器上，然后可选地在反射器内部被反射一次或更多次，接着从反射器反射，使得光束入射到反射器上的部分和光束从反射器反射的部分彼此平行，这可以被称为光束通过一个反射器(或一次“光束通过”)。
A light beam being incident on a reflector, then optionally being reflected one or more times inside of the reflector, followed by being reflected from the reflector such that the portion of the light beam incident on the reflector and the portion of the light beam reflected from the reflector are parallel to each other may be referred to as a light beam passing one reflector (or a "light beam pass").
每个反射器可以被配置成使得光束200入射到反射器上的部分的光路和光束200被反射器反射的部分的光路具有不等于零的最小间隔。
Each reflector may be configured such that the optical path of the portion of the light beam 200 that is incident on the reflector and the optical path of the portion of the light beam 200 that is reflected by the reflector have a minimum separation that does not equal zero.
在图3a所描绘的第一示例实施例中，从反射器210a反射的光束入射到反射器210b上，反射器210b还被配置成反射入射光束200，使得光束200的入射部分和光束200的反射部分彼此平行。
In the first example embodiment depicted in Fig. 3a, the light beam reflected from the reflector 210a is incident on the reflector 210b, which is also configured to reflect an incident light beam 200 such that the incident portion of the light beam 200 and the reflected portion of the light beam 200 are parallel to each other.
因此，在入射到反射器210b上并被其反射之后，光束200行进回到反射器210a。
Hence, after being incident on and reflected by the reflector 210b, the light beam 200 travels back to the reflector 210a.
然后，光束200再次通过反射器210a，使得它行进回到反射器210b。
The light beam 200 then, again, passes the reflector 210a such that it travels back to the reflector 210b.
然而，在再次通过反射器210b之后，光束200行进超过反射器210a，如图3a所示。
However, after again passing the reflector 210b, the light beam 200 travels beyond the reflector 210a, as illustrated in Fig. 3a.
换句话说，在第二次从反射器210b反射之后，光束200不入射到反射器210a上，而是在反射器210a旁边(alongside)行进。
In other words, after being reflected from the reflector 210b for the second time, the light beam 200 is not incident on, but travels alongside, the reflector 210a.
在图3a所示的第一示例实施例中，光束通过的累积次数是四次。
In the first example embodiment shown in Fig 3a, the cumulated number of light beam passes is four.
注意，图3a中描绘的通过次数仅作为示例给出，而不应理解为限制。
It is noted that the number of passes depicted in Fig 3a is given by way of example only, and should not be understood as limiting.
以相同的方式，可以利用10次、100次、1000次或任何其他的通过次数。
In the same way, 10, 100, 1000 or any other number of passes may be utilized.
如果仅提供两个反射器，则与两个反射器中的一个反射器相关联的通过次数和与两个反射器中的另一个反射器相关联的通过次数可以相同或相差1次。
If only two reflectors are provided, the number of passes associated with one of the two reflectors, and the number of passes associated with the other of the two reflectors, may be the same or may differ by 1.
在图3a的配置中，光束200将在离开光学系统100’-1之前进行偶数次通过。
In the configuration of Fig. 3a, the light beam 200 will make an even number of passes before exiting the optical system 100'-1.
在这种配置中，光束200可以以与它进入光学系统100’-1相同的方向(正向)离开光学系统100’-1。
In such a configuration, the light beam 200 may exit the optical system 100'-1 in the same direction (forward direction) in which it entered the optical system 100'-1.
在其他配置中，光束可以在离开光学系统之前进行奇数次通过。
In other configurations, the light beam may make an odd number of passes before exiting the optical system.
在这种配置中，光束可以以与它进入光学系统的方向相反的方向离开光学系统。
In such configurations, the light beam may exit the optical system in a reverse direction to the direction in which it entered the optical system.
在根据第一示例实施例的光学系统100’-1中，反射器210a可以被视为第一反射器，其中由光源(图3a中未示出)提供的光束200在入射到反射器210b上之前首先入射到反射器210a上。
In the optical system 100'-1 according to the first example embodiment, the reflector 210a, on which the light beam 200 provided by the light source (not shown in Fig. 3a ) is incident first before being incident on the reflectors 210b, may be regarded as the first reflector.
进一步，反射器210b可以被视为最后的反射器，光束200从反射器210b被最后反射，使得在从反射器210b反射之后，光束200不入射到任何其他反射器上。
Further, the reflector 210b, from which the light beam 200 is reflected last, such that after reflection from reflector 210b, the light beam 200 is not incident on any other reflector, may be regarded as the last reflector.
在图3a的配置中，第一反射器210a和最后的反射器210b是不同的反射器，但是在其他配置中，第一反射器和最后的反射器可以是相同的反射器。
In the configuration of Fig. 3a, the first reflector 210a and the last reflector 210b are different reflectors, but in other configurations, the first reflector and the last reflector may be the same reflector.
例如，图3b示出了根据第一示例实施例的变型的光学系统100’-1*(在图3b中示意性示出)，其中反射器210c既用作第一反射器又用作最后的反射器。
For example, Fig. 3b illustrates an optical system 100'-1* according to a variant of the first example embodiment is illustrated schematically in Fig. 3b, in which the reflector 210c functions both as the first reflector and the last reflector.
也就是说，反射器210c是光束200要通过的第一反射器，且也是光束200要通过的最后的反射器。
That is, the reflector 210c is the first reflector to be passed by the light beam 200 and also the last reflector to be passed by the light beam 200.
可选地，光束200首先入射到第一反射器210a或210c上的部分可以从光输入设备230(如输入光纤准直器)出射。
Optionally, the portion of the light beam 200 first incident on the first reflector, 210a or 210c, may emerge from a light input device 230, such as an input fibre collimator.
进一步，可选地，光束200从最后的反射器210b或210c最后反射的部分可以入射到光输出设备240(如输出光纤准直器)上。
Further, optionally, the portion of the light beam 200 last reflected from the last reflector, 210b or 210c, may be incident on a light output device 240, such as an output fibre collimator.
如图3a和图3b所描绘的，反射器210a、210b、210c、210d(下文在不需要区分它们的地方用数字210表示)中的每个具有相应的中心轴250a、250b、250c和250d，中心轴250a、250b、250c和250d位于光束200的入射部分和光束200的反射部分之间的中心。
As depicted in Fig. 3a and Fig. 3b, each of the reflectors 210a, 210b, 210c, 210d (hereafter referred to by the numeral 210, where it is unnecessary to distinguish between them) has a respective center axis, 250a, 250b, 250c and 250d, positioned centrally between the incident portion of the light beam 200 and the reflected portion of the light beam 200.
中心轴(下文在不需要区分不同反射器的中心轴的地方用数字250表示)可以是反射器210的旋转对称轴，或者可以是反射器210的反射对称平面中的轴，可选地是反射器210的反射对称平面的相交轴。
The centre axis (hereafter referred to by the numeral 250, where it is unnecessary to distinguish between the centre axes of different reflectors) may be an axis of rotational symmetry of the reflector 210, or may be an axis in a plane of reflection symmetry of the reflector 210, optionally an axis of intersection of planes of reflection symmetry of the reflector 210.
两个反射器210a和210b的中心轴250a和250b以及两个反射器210c和210d的中心轴250c和250d不重叠。
The centre axes 250a and 250b of the two reflectors 210a and 210b, and the centre axes 250c and 250d of the two reflectors 210c and 210d, do not overlap.
注意，将反射器布置成使得相应中心轴不重叠可以避免光束200陷入反射器之间的无限循环中。
It is noted that arranging reflectors such that the respective centre axes do not overlap may avoid the light beam 200 being trapped in an infinite loop between the reflectors.
在根据第一实施例的光学系统100’-1或其变型100’-1*中，如图3b所示，每个反射器210可以是仅包括两个彼此正交的反射镜(例如，如图4a中的211a和211b所示)的反射镜布置210-1。
In the optical system 100'-1 according to the first embodiment or in the variant thereof, 100'-1*, which is illustrated in Fig. 3b, each reflector 210 may be a mirror arrangement 210-1 comprising only two mirrors that are orthogonal to each other, for example as shown at 211a and 211b in Fig. 4a.
每个反射器210可替代地可以是包括三个反射镜(例如，如图4b中的211a、211b和211c所示)的隅角立方镜(corner cube)210-2。
Each reflector 210 may alternatively be a corner cube 210-2 comprising three mirrors, for example as shown at 211a, 211b and 211c in Fig. 4b.
在这样的隅角立方镜210-2中，三个反射镜211a、211b、211c中的每一个都与三个反射镜中的另外两个正交。
In such a corner cube 210-2, each of the three mirrors 211a, 211b, 211c is orthogonal to the other two of the three mirrors.
作为另一种替代，如图4c所描绘的，每个反射器210可以采用隅角立方棱镜(corner cube prism)210-3的形式。
As a further alternative, each reflector 210 may take the form of a corner cube prism 210-3, as depicted in Fig. 4c.
隅角立方棱镜210-3可以包括三个反射表面280a、280b、280c，反射表面280a、280b、280c中的每个反射表面与另外两个反射表面正交。
The corner cube prism 210-3 may comprise three reflective surfaces 280a, 280b, 280c, each of which is orthogonal to the other two reflective surfaces.
作为又一种替代，每个反射器210可以采用Luneburg透镜的形式。
As a yet further alternative, each reflector 210 may take the form of a Luneburg lenses.
如图4d所描绘的，Luneburg透镜210-4可以包括球形体212和反射表面280。
A Luneburg lens 210-4 may, as depicted in Fig. 4d, comprise a spherical body 212 and a reflective surface 280.
Luneburg透镜可被视为球形对称梯度折射率(spherically symmetric gradient-index)透镜，其折射率从中心到外表面径向减小。
A Luneburg lens may be regarded as a spherically symmetric gradient-index lens, the refractive index of which decreases radially from the center to the outer surface.
此外，Luneburg透镜的表面的部分(例如，图4d中描绘的反射表面280)可以被配置成反射从相应球体的内部入射的光束200。
Moreover, portions of the surface of a Luneburg lens (e.g. the reflective surface 280 depicted in Fig. 4d ) may be configured to reflect a light beam 200 incident from the inside of the respective sphere.
替代地或附加地，逆反射膜可以用作反射器210。
Alternatively, or additionally, a retroreflective film may be utilized as reflector 210.
例如，逆反射膜可以包括多个微型Luneburg透镜、隅角立方镜或隅角立方棱镜。
A retroreflective film may, for example, comprise multiple miniature-sized Luneburg lenses, corner cubes or corner cube prims.
而且，根据本文第一实施例的光学系统100’-1，或者根据第一实施例的变型的光学系统100’-1*可以包括上述两种或更多种反射器类型(例如，Luneburg透镜、隅角立方棱镜等)的组合。
Also, the optical system 100'-1 according to the first embodiment herein, or the optical system 100'-1* according to a variant of the first embodiment, may comprise a combination of two or more of the reflector types mentioned above, e.g. Luneburg lenses, corner cube prisms, etc.
仅包括两个正交反射镜的反射镜布置由于其简单性和相关的容易制造性可能是有利的。
Mirror arrangements comprising only two orthogonal mirrors may be advantageous due to their simplicity and associated ease of manufacture.
然而，为了实现光束200的入射部分和光束200的反射部分平行的效果，光束200的入射部分可以与和两个正交反射镜都正交的假想平面重叠。
However, to achieve the effect wherein the incident portion of the light beam 200 and the reflected portion of the light beam 200 are parallel, the incident portion of the light beam 200 may overlap a hypothetical plane which is orthogonal to both of the two orthogonal mirrors.
几乎可以独立于入射光束200的取向(orientation)来使用包括三个正交反射镜的反射镜布置、隅角立方棱镜、Luneburg透镜或逆反射膜。
Mirror arrangements comprising three orthogonal mirrors, corner cube prisms, Luneburg lenses or retroreflective films may be utilized almost independently of the orientation of the incident light beam 200.
在根据本文第一示例方面的第一示例实施例的光学系统100’-1(或所描述的其变型)中，每个反射器210具有投影区域(例如，如图4c中的290所示)，投影区域被定义为相应的反射器在相应反射中心轴250的方向上的二维投影。
In the optical system 100'-1 according to the first example embodiment of the first example aspect herein (or the described variant thereof), each of the reflectors 210 has a projected area (as shown at 290 in Fig. 4c, for example), which is defined as the two-dimensional projection of the respective reflector in the direction of the respective reflection center axis 250.
本发明涉及具有主动降噪的耳机(earphone)和具有这种耳机的耳麦(headset)。
The present invention relates to an earphone with active noise cancellation and to a headset with such an earphone.
本发明例如可以用于降低用户在通过主动降噪耳机透听语音或音乐时感觉到的噪声和/或改善用户在低噪声环境中使用主动降噪耳麦时感觉到的舒适度。
The invention may e.g. be used to reduce noise perceived by a user while listening to speech or music through an active noise cancellation earphone and/or to improve the comfort perceived by the user when using an active noise cancellation headset in low-noise environments.
在现有技术中，具有主动降噪(ANC，active noise cancellation)(有时称为主动降噪(ANR，active noise reduction))的耳机和耳麦是已知的，其提供抵消环境声音的声输出信号，使得到达用户耳朵的环境声音的水平降低。
In the prior art, earphones and headsets with active noise cancellation (ANC) - sometimes called active noise reduction (ANR) - are known that provide acoustic output signals that counteract ambient sound, such that the level of ambient sound arriving at the ear of the user is reduced.
国际专利申请WO 2014070836A2公开了一种ANR耳机(headphone)，该ANR耳机包括：耳杯，该耳杯被配置为联接到佩戴者的耳朵上以限定声学空间，该声学空间包括佩戴者耳道内的空气空间和耳杯内的空间；前馈麦克风，其声学地耦合到外部环境并且电耦合到前馈主动降噪信号路径；反馈麦克风，其声学地耦合到声学空间并且电耦合到反馈主动降噪信号路径；输出换能器，该输出换能器经由该耳杯内的空间被声学耦合到该声学空间并且被电耦合到该前馈主动降噪信号路径和该反馈主动降噪信号路径两者，以及信号处理器，该信号处理器被配置为应用滤波器和控制前馈和反馈主动降噪信号路径两者的增益。
International Patent Application WO 2014070836 A2 discloses an ANR headphone that includes an ear cup configured to couple to a wearer's ear to define an acoustic volume including the volume of air within the wearer's ear canal and a volume within the ear cup, a feed-forward microphone acoustically coupled to an external environment and electrically coupled to a feed-forward active noise cancellation signal path, a feed-backward microphone acoustically coupled to the acoustic volume and electrically coupled to a feed-backward active noise cancellation signal path, an output transducer acoustically coupled to the acoustic volume via the volume within the ear cup and electrically coupled to both the feed-forward and feed-backward active noise cancellation signal paths, and a signal processor configured to apply filters and control gains of both the feed-forward and feed-backward active noise cancellation signal paths.
信号处理器被配置为在提供环境声音的有效消除的第一操作模式期间将第一前馈滤波器应用于前馈信号路径并且将第一反馈滤波器应用于反馈信号路径，并且在提供具有环境自然的环境声音的主动透听(hear-through)的第二操作模式期间将第二前馈滤波器应用于前馈信号路径。
The signal processor is configured to apply first feed-forward filters to the feed-forward signal path and apply first feed-backward filters to the feed-backward signal path during a first operating mode providing effective cancellation of ambient sound, and to apply second feed-forward filters to the feed-forward signal path during a second operating mode providing active hear-through of ambient sounds with ambient naturalness.
信号处理器可进一步经配置以在第二操作模式期间将不同于第一反馈滤波器的第二反馈滤波器应用于反馈信号路径。
The signal processor may be further configured to apply second feed-backward filters different from the first feed-backward filters to the feed-backward signal path during the second operating mode.
信号处理器可进一步经配置以在第三操作模式期间将第三前馈滤波器应用于前馈信号路径，该第三操作模式提供具有与可在第二操作模式中提供的总响应不同的总响应的环境声音的主动透听。
The signal processor may be further configured to apply third feedforward filters to the feed-forward signal path during a third operating mode providing active hear-through of ambient sounds with a different total response than may be provided in the second operating mode.
可以提供用户输入，信号处理器被配置为基于用户输入在第一、第二或第三前馈滤波器之间进行选择。
A user input may be provided, with the signal processor configured to select between the first, second, or third feed-forward filters based on the user input.
用户输入可以包括音量控制。
The user input may include a volume control.
信号处理器可以被配置为自动地在第二和第三前馈滤波器之间进行选择。
The signal processor may be configured to select between the second and third feed-forward filters automatically.
信号处理器可以被配置为基于环境噪声水平的时间平均测量在第二和第三前馈滤波器之间进行选择。
The signal processor may be configured to select between the second and third feed-forward filters based on a time-average measurement of the level of the ambient noise.
当反馈系统检测到用户开始讲话以提供用户语音的自逼真度时，该反馈系统可用于自动开启主动透听。
The feed-backward system may be used to automatically turn on active hear-through when it detects that the user starts speaking to provide self-naturalness of the user's voice.
ANC耳机和耳麦经常遇到的问题是ANC系统本身可能产生噪声，用户可能在安静环境中感觉到该噪声令人烦恼。
A problem often encountered with ANC earphone and headsets, is that the ANC system itself may produce noise that the users may perceive as annoying in quiet environments.
上述现有技术没有解决这个问题，因此仍然需要解决。
The above-mentioned prior art document does not address this problem, which thus still needs to be solved.
此外，一些用户可能在没有环境声音的情况下感觉与他们的环境隔离。
Furthermore, some users may feel isolated from their environment in the absence of ambient sound.
上述现有技术文献建议在收听音乐的同时保持实现主动透听以克服这个问题。
The above-mentioned prior art document suggests keeping active hear-through enabled while listening to music to overcome this problem.
这仍然为其它解决方案留出空间。
This still leaves room for other solutions.
国际专利申请WO 2010/129219A1公开了一种使用滤波器的ANR电路，该滤波器的传递函数由用于实时分析信号的算法动态地和连续地修改。
International Patent Application WO 2010/129219 A1 discloses an ANR circuit using filters whose transfer function is dynamically and continuously modified by an algorithm for analyzing the signal in real time.
放置在耳麦耳机的外壳上的外部麦克风收集环境噪声，分析环境噪声的水平以调节反馈滤波器的传递函数。
An external microphone placed on the casing of the headset earphones collects the ambient noises, whose level is analyzed to adjust the transfer function of the feed-backward filter.
所公开的解决方案的缺点在于，反馈ANC不适于用户真正感觉到的噪声，而是适于耳麦外部环境中存在的噪声，这最终可能导致用户感觉到的噪声增加。
A drawback of the disclosed solution lies in that the feed-backward ANC does not adapt to the noise really perceived by the user, but to the noise existing in the external environment of the headset, which eventually may cause an increase of the noise perceived by the user.
该申请还公开了ANR电路可以响应于接收到手动操作控制的操作的指示而降低其提供的基于前馈的ANR的程度。
The application further discloses that the ANR circuit may reduce the degree of feedforward-based ANR that it provides in response to receiving an indication of the operation of a manually-operable control.
基于前馈的ANR的程度的降低可以通过关闭或以其他方式停用基于前馈的ANR的提供来实现，降低由基于前馈的ANR衰减的环境噪声声音的频率范围，以提供由前馈麦克风检测到的处于被认为是人类语音的频率范围内的较少声音衰减，和/或在由基于前馈的ANR衰减的环境噪声声音的频率范围中创建陷波，以提供由前馈麦克风检测到的处于被认为是人类语音的频率范围内的较少声音衰减。
The reduction of degree of feedforward-based ANR may be effected by turning off or otherwise deactivating the provision of feedforward-based ANR, reducing a range of frequencies of environmental noise sounds attenuated by the feedforward-based ANR to provide less attenuation of sounds detected by a feedforward microphone that are in a range of frequencies deemed to be those of human speech, and/or creating a notch in the range of frequencies of environmental noise sounds attenuated by the feedforward-based ANR to provide less attenuation of sounds detected by the feedforward microphone that are in a range of frequencies deemed to be those of human speech.
该申请没有解决隔离问题，所公开的措施也没有解决隔离问题。
The application does not address the isolation problem, neither do the disclosed measures solve it.
专利申请US 2015 296297 A1公开了一种ANC耳麦，其具有带反馈ANC滤波器的闭环反馈支路，该反馈ANC滤波器可基于对来自内部ANC麦克风的信号的分析而在多个预配置的反馈ANC滤波器之间切换。
Patent Application US 2015 296297 A1 discloses an ANC headset with a closed-loop feed-backward branch with a feed-backward ANC filter that is switchable among a plurality of preconfigured feed-backward ANC filters, based on analysis of a signal from an internal ANC microphone.
虽然所公开的解决方案可以降低由ANC系统本身产生的噪声，但是它也相对复杂并且例如需要提供可切换均衡器。
While the solution disclosed may reduce noise produced by the ANC system itself, it is, however, also relatively complex and e.g. requires the provision of a switchable equalizer.
该申请没有解决隔离问题。
The application does not address the isolation problem.
本发明的目的是提供一种改进的耳机，其具有主动降噪并且没有现有技术装置的一些缺点。
It is an object of the present invention to provide an improved earphone with active noise cancellation and without some disadvantages of prior art apparatuses.
本发明的另一个目的是提供一种具有这种耳机并具有类似优点的耳麦。
It is a further object of the present invention to provide a headset with such an earphone and with similar advantages.
本发明的这些和其它目的通过在独立权利要求中限定并在以下描述中进一步解释的本发明来实现。
These and other objects of the invention are achieved by the invention defined in the independent claims and further explained in the following description.
本发明的其它目的通过在从属权利要求和本发明的详细描述中限定的实施例来实现。
Further objects of the invention are achieved by embodiments defined in the dependent claims and in the detailed description of the invention.