公开(公告)号：EP1319323A2

公开(公告)日：2003-06-18

申请号：EP01965423.5

申请日：2001-09-10

Applicant: CENTRAL RESEARCH LABORATORIES LIMITED ,  Sibbald, Alastair

Inventor： SIBBALD, Alastair

IPC: H04S1/00

CPC classification number: H04S7/305 ,  H04S1/005 ,  H04S2420/01

Abstract: A method of audio signal processing for a loudspeaker located close to an ear in use, the method consisting of or including: creating one or more derived signal from an original monophonic input signal, the derived signals being representative of the original signal being scattered by one or more bodies remote from said ear (excluding room boundary reflection or reverberation), combining the derived signal or signals with said input signal to form a combined signal, and feeding the combined signal to said loudspeaker, thereby providing cues for enabling the listener to perceive the source of the sound of the original monophonic input signal to be located remote from said ear.

公开(公告)号：GB2096824A

公开(公告)日：1982-10-20

申请号：GB8111198

申请日：1981-04-09

Applicant: SIBBALD ALASTAIR ,  COVINGTON ARTHUR KENNETH

IPC: G01N27/414 ,  H01L21/60 ,  H01L23/525 ,  H01L29/423 ,  H01L29/78

Abstract: A selective chemosensitive microelectronic transducer is provided for the detection and measurement of chemical properties, by engineering a field-effect transistor such that source 6 and drain 7 regions are connected to bonding pads 2 and 4, and the semiconductor bulk connected to pad 1. The metal gate 8 is extended laterally to a remote area 9, and also to bonding pad 3 via a narrow metallization track 5 designed to support only a limited, predetermined electrical current in the manner of a fusible link. External electrical access to the device is achieved with wirebonding 14, and the device is selectively sealed with an inert, impervious encapsulation material 10 such that only gate area 9 remains exposed. Electroactive materials are deposited over the offset-gate area 9, or electrodeposited using connection through 8, 5 and 3. Subsequently, link 5 is open-circuited by pulsed electrical overload, creating a floating chemosensitive gate.

公开(公告)号：GB2096825A

公开(公告)日：1982-10-20

申请号：GB8111199

申请日：1981-04-09

Applicant: SIBBALD ALASTAIR ,  COVINGTON ARTHUR KENNETH

IPC: A61B5/00 ,  G01N27/414 ,  G11C13/02 ,  H01L21/56 ,  H01L23/29 ,  H01L23/31 ,  H01L29/51 ,  H01L29/78 ,  H01L23/30 ,  H01L49/00

Abstract: The invention provides a chemical-responsive field-effect transducer operating in depletion-mode, or enhancement/depletion-mode, comprising: a semiconductor material having a pair of adjacent diffusion regions (1,2) of a certain doping polarity located at the surface and separated by a channel (3) of the same doping polarity, said channel being created by diffusion, ion-implantation, epitaxial growth, or creation or a surface inversion layer by controlled processing techniques or other means. The diffusion regions and channel region are supported by an insulating substrate (4) or semiconductor substrate of opposite polarity. Electrical insulator (6) and/or ion-barrier material (7) overlies the aforementioned channel region. An electroactive material (10) overlies said insulator and/or ion-barrier, such that the electroactive material will interact with substances to which it is exposed and control the charge-carrier density in the aforementioned channel. Such devices form the basis of a variety of assemblies, including flow-injection-analysis sensors, and flow-through cuvettes suitable for the continuous or intermittent on-line monitoring of blood, ex-vivo, in the clinical environment.

公开(公告)号：WO2011061483A3

公开(公告)日：2011-08-11

申请号：PCT/GB2010002108

申请日：2010-11-17

Applicant: INCUS LAB LTD ,  SIBBALD ALASTAIR

Inventor： SIBBALD ALASTAIR

IPC: H04R1/10 ,  G10K11/178

CPC classification number: H04R1/1075 ,  H04R1/1016 ,  H04R2460/01 ,  Y10T29/4957

Abstract: The invention is intended to facilitate the production of ambient noise- cancelling earphones and, to that end, provides a module (30) comprising a microspeaker (34) and an electret microphone (38) both carried on a common substrate (32) which is also configured to incorporate an acoustic resistor (33, 35). The module (30) is incorporated into an earpiece having electrical connections to noise-cancelling electronic circuitry that is provided separately from the earpiece and is housed, for example, in a separate pod (82, 102) or incorporated within the body of a cellular telephone. The performances of the microspeaker (34) and microphone (38) are classified against one or more predetermined operational criteria, enabling the noise-cancelling circuitry to be configured to allow for departures from such criteria. In some embodiments, the module (30) further comprises an information storage device (40) capable of recording data concerning departures from the aforementioned criteria and of providing, upon interrogation, information over the electrical connection to automatically compensate for such departures. The invention also comprises a method of producing ambient noise-cancelling earphones in which the components on the module (30) are classified inter alia by feeding known signals to the microphone (38) and noting the response of the speaker (34) thereto.

Abstract translation: 本发明旨在促进环境噪音消除耳机的生产，并且为此目的，提供一种模块（30），其包括均承载在公共基板（32）上的微型扬声器（34）和驻极体麦克风（38） 还配置成包含声学电阻器（33,35）。 模块（30）被结合到耳机中，该耳机具有与噪音消除电子电路的电连接，所述电子电路独立于耳机提供并且被容纳在例如单独的容器（82,102）中或者被并入蜂窝体 电话。 微型扬声器（34）和麦克风（38）的性能根据一个或多个预定操作标准分类，使得噪声消除电路能够被配置为允许偏离这些标准。 在一些实施例中，模块（30）还包括信息存储装置（40），其能够记录关于偏离前述标准的数据并且在询问时提供关于电连接的信息以自动补偿这种偏离。 本发明还包括一种制造环境噪音消除耳机的方法，其中模块（30）上的部件尤其通过将已知信号馈送到麦克风（38）并注意扬声器（34）对其的响应来分类。

公开(公告)号：WO2008090342A3

公开(公告)日：2008-10-30

申请号：PCT/GB2008000237

申请日：2008-01-23

Applicant: WOLFSON MICROELECTRONICS PLC ,  SIBBALD ALASTAIR ,  HOWLE MARTIN

Inventor： SIBBALD ALASTAIR ,  HOWLE MARTIN

IPC: H04R3/00 ,  G10K11/178

CPC classification number: H04R3/00 ,  G10K11/178 ,  G10K2210/1081 ,  H04R1/1083

Abstract: The invention provides improved ambient noise reduction for ear-worn devices, such as earphones and headphones and for other devices worn upon or used in close proximity to the ear, such as cellular telephone handsets, and it provides, in particular, improvements to "feed-forward" ambient noise-reduction systems. Most feed-forward noise-reduction systems available hitherto purport to operate only below about 1 kHz and, even then, provide only relatively modest amounts of noise reduction. In accordance with this invention, predetermined filter parameters, such as the gain and cut-off frequency of a selected filter stage used in the noise-reduction processing, are mathematically modelled and the model is adjusted in real-time, in response to user-interpretation of a graphical display of a predicted residual noise amplitude spectrum. This allows the user to inspect the predicted residual noise level amplitude spectrum and to iteratively adjust the filter parameters to minimise residual noise in a chosen environment. Instead of being made manually by a user, the iterative adjustments may be automated and implemented under computer control, using known data-fitting methods and/or neural networks.

Abstract translation: 本发明为诸如耳机和头戴式耳机之类的耳戴式设备以及佩戴在耳朵上或靠近耳朵使用的其他设备（诸如蜂窝式电话手持设备）提供了改善的环境噪声降低，并且特别地提供了对“馈送 前向“环境降噪系统。 迄今为止，大多数可用的前馈降噪系统只能在约1kHz以下工作，即使这样，也只能提供相对适中的降噪量。 根据本发明，响应于用户定义的参数，在数学上建模预定的滤波器参数（例如在降噪处理中使用的选定滤波器级的增益和截止频率）并且实时调节模型， 解释预测的残余噪声振幅谱的图形显示。 这允许用户检查预测的残余噪声电平幅度谱并且迭代地调整滤波器参数以最小化所选环境中的残余噪声。 使用已知的数据拟合方法和/或神经网络，代替由用户手动进行，迭代调整可以被自动化并且在计算机控制下实现。

公开(公告)号：WO2007113487A1

公开(公告)日：2007-10-11

申请号：PCT/GB2007/001099

申请日：2007-03-28

Applicant: SONAPTIC LIMITED ,  SIBBALD, Alastair

Inventor： SIBBALD, Alastair

IPC: H04R3/00

CPC classification number: H04R3/00 ,  G10K11/178 ,  G10K2210/1081 ,  G10K2210/3056 ,  H04R1/1083

Abstract: The invention provides a noise reduction control system for an ear-worn speaker-carrying device (“ESD”). The system is configured to sense ambient noise and to develop electrical signals which can be used to reduce the amount of said ambient noise audible to a wearer of the ESD. The system sets a plurality of predetermined and discrete noise reduction levels and automatically responds to at least one controlling event, outside the control of the wearer, to set the degree of noise reduction to one of those discrete levels. Typically, the system inverts and filters the electrical signals relating to ambient noise and feeds the inverted and filtered signals to the speaker of the ESD in time for the speaker to generate sounds capable of interfering destructively with the ambient noise.

Abstract translation: 本发明提供一种用于耳戴式扬声器承载装置（“ESD”）的降噪控制系统。 该系统被配置为感测环境噪声并且开发可用于减少ESD的佩戴者听到的所述环境噪声的量的电信号。 系统设置多个预定和离散的降噪水平，并且自动地响应于在佩戴者的控制之外的至少一个控制事件，以将噪声降低程度设置为那些离散水平之一。 通常，该系统对与环境噪声相关的电信号进行反相和滤波，并将反相和滤波的信号及时馈送到ESD的扬声器，以使扬声器产生能够与环境噪声相抵消的声音。

公开(公告)号：WO2006125953A1

公开(公告)日：2006-11-30

申请号：PCT/GB2006/001796

申请日：2006-05-16

Applicant: SONAPTIC LIMITED ,  SIBBALD, Alastair

Inventor： SIBBALD, Alastair

IPC: H04R1/22 ,  H04R1/28 ,  H04R29/00

CPC classification number: H04R1/227 ,  H04R1/2842 ,  H04R2499/11

Abstract: A miniature acoustic network comprises a substantially planar member (5) having an acoustic device (9; 10, 11) indented into a major surface thereof and configured to co-operate with another acoustic device (3, 6) formed, at least in part, within the planar member to form the acoustic network. Another member (7) is juxtaposed with the surface of the planar member (5) and forms a closure for the network. In one embodiment, the other acoustic device comprises a flared conduit (3, 6) having a relatively narrow inner end disposed to overlie the diaphragm (2) of a microspeaker (1) and a relatively wide outer end opening at an acoustic outlet, and the acoustic device comprises a resonator (9) made up of a channel (10), which communicates directly with the smaller end of the conduit (3), and a circular rebate (11) communicating with the channel (10). Whereas the conduit (3) completely perforates the planar member (5), the components (10, 11) forming the resonator (9) are merely impressed or otherwise indented into the surface of the planar member (5) and are thus wholly contained within its thickness.

Abstract translation: 小型声学网络包括基本上平面的构件（5），其具有凹入其主表面的声学装置（9; 10,11），并被配置为与至少部分形成的另一个声学装置（3,6）配合 在平面构件内形成声学网络。 另一个构件（7）与平面构件（5）的表面并置并且形成用于网络的闭合件。 在一个实施例中，另一个声学装置包括扩口导管（3,6），其具有设置成覆盖在扬声器（1）的隔膜（2）上的相对较窄的内端和在声音出口处的相对宽的外端开口， 声学装置包括由通道（10）构成的谐振器（9），其直接与导管（3）的较小端连通，以及与通道（10）连通的圆形回扣（11）。 而导管（3）完全穿透平面构件（5），形成谐振器（9）的构件（10,11）仅被压入或以其它方式缩进到平面构件（5）的表面中，因此完全包含在 其厚度。

公开(公告)号：WO0178486A3

公开(公告)日：2002-06-06

申请号：PCT/GB0101597

申请日：2001-04-10

Applicant: CENTRAL RESEARCH LAB LTD ,  SIBBALD ALASTAIR

Inventor： SIBBALD ALASTAIR

IPC: G10K15/08 ,  H04M1/19 ,  H04M1/60 ,  H04S5/00 ,  H04S7/00 ,  H04R5/033 ,  H04R3/00

CPC classification number: H04M1/19 ,  G10K15/08 ,  H04M1/6016 ,  H04R2499/11 ,  H04S5/00 ,  H04S7/305

Abstract: A method of audio signal processing for loudspeaker (1) located close to an ear (2), the method consisting of or including creating a reverberant signal from an original monophonic signal, modifying the spectral characteristics of the original signal using a first pinna transfer function, modifying the spectral characteristics of the reverberant signal using a further pinna transfer function, combining the modified reverberant signal and the modified original signal to form a combined signal, and feeding the combined signal to said loudspeaker, thereby providing cues for enabling the listener to perceive the source of the sound of the original audio signal to be located remote from said ear. The method is particularly advantageous for use in communications apparatus such as telephones or radio transceivers.

Abstract translation: 一种用于靠近耳朵（2）定位的扬声器（1）的音频信号处理方法，该方法包括或包括从原始单声道信号产生混响信号，使用第一针刺传递函数修改原始信号的频谱特性 ，使用另外的针刺传递函数来修改混响信号的频谱特性，组合改进的混响信号和修改的原始信号以形成组合信号，并将组合信号馈送到所述扬声器，由此提供线索以使听众能够察觉 原始音频信号的声音源将位于远离所述耳朵的位置。 该方法特别有利于在诸如电话或无线电收发机的通信设备中使用。

公开(公告)号：GB0920403D0

公开(公告)日：2010-01-06

申请号：GB0920403

申请日：2009-11-23

Applicant: SIBBALD ALASTAIR

公开(公告)号：CA2097786A1

公开(公告)日：1993-12-07

申请号：CA2097786

申请日：1993-06-04

Applicant: SIBBALD ALASTAIR ,  JACKSON MICHAEL A ,  JACKSON ELAINE A ,  DEAN TERENCE F

Inventor： SIBBALD ALASTAIR ,  JACKSON MICHAEL A ,  JACKSON ELAINE A ,  DEAN TERENCE F

IPC: A61B5/117

Abstract: FINGER GUIDE A finger guide (2) comprises first and second orthogonally-oriented portions (4,12) each comprising a pair of opposed converging surfaces (6,8;14,16) into which the end and the shank, respectively, of a finger for examination fit. Because of the relative orientation of the surfaces, movement of the finger relative to an examination surface (22) is reproducibly constrained.