公开(公告)号：WO0247435A3

公开(公告)日：2004-01-08

申请号：PCT/US0146476

申请日：2001-12-05

Applicant: STARKEY LAB INC ,  KINDRED JON SCHMIDT ,  SORENSEN BRYANT ,  WAHL JERRY ,  RICHARDSON GARY

Inventor： KINDRED JON SCHMIDT ,  SORENSEN BRYANT ,  WAHL JERRY ,  RICHARDSON GARY

IPC: H04R25/00 ,  H03G3/20

CPC classification number: H03G3/3005 ,  H03G1/04 ,  H03G3/301 ,  H03G7/08 ,  H04R25/356 ,  H04R25/505

Abstract: Systems, devices, and methods are provided to inhibit apparent amplitude modulation in non-linear processing that causes distortion in a processed signal. One aspect of the invention includes a hearing aid. The hearing aid includes a microphone to receive an input signal, a speaker to reproduce the input signal, and a processor. The processor processes the input signal using a gain. The processor includes an inhibitor, which inhibits distortions, and an adjuster, which adjusts the gain. The inhibitor acts to smooth en envelope of the input signal to inhibit undesired modulation. The adjuster adjusts the gain if the envelope is either above or below a threshold. The hearing aid further includes a compression recapture system to supply the compressed portion of the input signal to more closely reproduce the actual input signal.

Abstract translation: 提供了系统，装置和方法来抑制导致处理信号失真的非线性处理中的视在幅度调制。 本发明的一个方面包括助听器。 助听器包括用于接收输入信号的麦克风，再现输入信号的扬声器和处理器。 处理器使用增益处理输入信号。 处理器包括抑制失真的抑制剂和调整增益的调节器。 抑制剂用于平滑输入信号的包络以抑制不期望的调制。 如果信封高于或低于阈值，调节器将调整增益。 助听器还包括压缩再捕获系统，以将输入信号的压缩部分提供给更接近地再现实际的输入信号。

公开(公告)号：AU3248502A

公开(公告)日：2002-06-18

申请号：AU3248502

申请日：2001-12-05

Applicant: STARKEY LAB INC ,  KINDRED JON SCHMIDT ,  SORENSEN BRYANT ,  WAHL JERRY ,  RICHARDSON GARY

Inventor： KINDRED JON SCHMIDT ,  SORENSEN BRYANT ,  WAHL JERRY ,  RICHARDSON GARY

IPC: H04R25/00

公开(公告)号：CA2547050A1

公开(公告)日：2006-11-19

申请号：CA2547050

申请日：2006-05-15

Applicant: STARKEY LAB INC

Inventor： RICHARDSON GARRY ,  FAROOQI NEAZ ,  WAHL JERRY

IPC: H03M1/12 ,  H03H17/02 ,  H03M1/06 ,  H03M3/02

Abstract: A low power analog-to-digital channel includes a decimation filter coupled t o a sigma-delta modulator. Various embodiments include a decimation filter including an output and a sigma-delta modulator coupled to the output of the decimation filter, where a clock frequency applied to the decimation filter is approximately a integral multiple of a sampling frequency of the sigma delta modulator. In an embodiment, the sigma-delta modulator includes one or more successive approximation converters. In an embodiment, the sigma delta modulator includes one or more area efficient integrators.

公开(公告)号：CA2547050C

公开(公告)日：2009-12-22

申请号：CA2547050

申请日：2006-05-15

Applicant: STARKEY LAB INC

Inventor： WAHL JERRY ,  FAROOQI NEAZ ,  RICHARDSON GARRY

IPC: H03M1/12 ,  H03H17/02 ,  H03M1/06 ,  H03M3/02

Abstract: A low power analog-to-digital channel includes a decimation filter coupled t o a sigma-delta modulator. Various embodiments include a decimation filter including an output and a sigma-delta modulator coupled to the output of the decimation filter, where a clock frequency applied to the decimation filter is approximately a integral multiple of a sampling frequency of the sigma delta modulator. In an embodiment, the sigma-delta modulator includes one or more successive approximation converters. In an embodiment, the sigma delta modulator includes one or more area efficient integrators.

公开(公告)号：CA2430777A1

公开(公告)日：2002-06-13

申请号：CA2430777

申请日：2001-12-05

Applicant: STARKEY LAB INC

Inventor： KINDRED JON SCHMIDT ,  WAHL JERRY ,  RICHARDSON GARRY ,  SORENSEN BRYANT

IPC: H04R25/00

Abstract: Systems, devices, and methods are provided to inhibit apparent amplitude modulation in non-linear processing that causes distortion in a processed signal. One aspect of the invention includes a hearing aid. The hearing aid includes a microphone to receive an input signal, a speaker to reproduce the input signal, and a processor. The processor processes the input signal usin g a gain. The processor includes an inhibitor, which inhibits distortions, and an adjuster, which adjusts the gain. The inhibitor acts to smooth en envelop e of the input signal to inhibit undesired modulation. The adjuster adjusts th e gain if the envelope is either above or below a threshold. The hearing aid further includes a compression recapture system to supply the compressed portion of the input signal to more closely reproduce the actual input signa l.