Audiology DSP Systems | RHYTHM SB3231
预配置 DSP 系统，用于助听器，最多 4 个 WDRC 沟道
Obsolete
概览
Rhythm™SB3231 是一款基于四沟道压缩电路的可微调配置的 DSP 系统，具有自适应声反馈消除、自适应降噪和定向处理功能。 Rhythm SB3231 基于相位抵消方法，其自适应反馈减少算法可提供增加的稳定增益，以实现额外增益和用户舒适度。它具有针对动态反馈情况的快速调整功能和抗音调输入功能。该定向处理系统利用一对麦克风来创建完全可自定义的静态极性图案，例如双向、心形和超心形。 除这些自适应算法外，Rhythm SB3231 还支持以下功能：多达四沟道 WDRC、低失真压缩限制、音频路径之间的交叉渐变（用于无点击内存更改）、八频段图形均衡器、八个可配置通用双二阶滤波器、编程速度增强，在静音环境中衰减麦克风和电路噪声的沟道内静噪，可选峰值削波、灵活压缩调整、音量控制、翘板开关、用于耳鸣治疗的噪声产生以及行业领先防止克隆和软件盗版的安全功能。 SupportARK 软件是一组软件构造块，有助于缩短开发助听器安装软件所需的时间。ARKonline 是一款基于 Web 的高效工具，用于创建产品库和保持它们的有序组织形式。要访问 ARKonline，请转至 www.onsemi.com/arkonline.
- Digital Audio Processing
- Hearing Aids
- Directional Processing
- Adaptive noise reduction
- Adaptive feedback cancellation
- WDRC compression with choice of 1, 2 or 4 channels of compression
- Auto telecoil with programmable delay
- EVOKE acoustic indicators
- Noise generator for tinnitus treatment or in-situ audiometry
- Frequency response shaping with graphic EQ
- Trimmer compatibility - four three-terminal trimmers with configurable assignments of control parameters
- I²C and SDA programming
- Rocker switch support for memory change and/or volume control adjustment
- Analog or digital volume control with programmable range
- High quality 20-bit audio processing
- High power/high gain capability
- SOUNDFIT fitting software
- Configurable low battery indicator
- 8 biquadratic filters
- 16 kHz or 8 kHz bandwidth
- 4 fully configurable memories with audible memory change indicator
- 96 dB input dynamic range with Headroom Extension
- 128-bit fingerprint security system and other security features to protect against device cloning and software piracy
- High fidelity audio CODEC
- Soft acoustic fade between memory changes
- Drives zero-bias two-terminal receivers
- E1 RoHS compliant hybrid
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Obsolete
Pb
A
H
P
SIP-25
3
260
BTRAY
25
N
4
8
4
Adaptive Feedback Cancellation
Adaptive Noise Reduction
FrontWave Directional Microphone
EVOKE
Digital Volume Control
Software Configurable
Trimmer Support
-
Price N/A
More Details
Obsolete
Pb
A
H
P
SIP-25
3
260
REEL
250
N
4
8
4
Adaptive Feedback Cancellation
Adaptive Noise Reduction
FrontWave Directional Microphone
EVOKE
Digital Volume Control
Software Configurable
Trimmer Support
-
Price N/A
More Details
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