方案
按技术分类
Audiology DSP Systems | RHYTHM SA3229
概览
安森美半导体的 Rhythm™ SA3229 混合是一款微调器可配置 DSP 系统，基于四沟道压缩电路，具有反馈抑制算法。 Rhythm SA3229 的自适应反馈抑制算法基于相位抑制方法，提供了更大稳定增益，可实现更大增益和用户舒适度。它具有针对动态反馈情况的快速调节，以及针对声调输入的电阻。 除了这些自适应算法之外，Rhythm SA3229 还支持以下特性：最多四个沟道 WDRC、低失真压缩限制、用于无杂音内存更改的音频路径之间的交叉衰减、八基带图形均衡器、八个可配置通用双四路滤波器、编程速度增强、抑制安静环境中麦克风和电路噪声的沟道内压、可选的峰值剪切、灵活压缩调节、音量控制、摇摆开关、耳鸣处理中的噪声产生，以及避免克隆和软件隐私的行业领先的安全特性。 微调器接口支持手动电路配置。它持续监控微调器位置，并将其转换为选择的助听器参数。串行数据或 I²C 接口提供出厂和现场可编程能力。 RHYTHM SA3229 是一款单芯片混合，带一次性编程 (OTP) 内存，适用于需要高增益的低成本应用。软件 SupportARK 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.
应用
- Digital Audio Processing
终端产品
- Hearing Aids
特性
- 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
- Support for Active High or Active Low Switching
- Analog or Digital Volume Control with Programmable Range
- High Quality 20-bit Audio Processing
- High Power/High Gain Capability
- Configurable Low Battery Indicator
产品列表
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产品:
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可订购器件:
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产品
SA3229-E1
Obsolete
Pb
A
H
P
SIP-25
3
260
BTRAY
25
N
1,2,4
8
4
Adaptive Feedback Cancellation
EVOKE
Trimmer Support
-
Price N/A
More Details
SA3229-E1-T
Obsolete
Pb
A
H
P
SIP-25
3
260
REEL
250
N
1,2,4
8
4
Adaptive Feedback Cancellation
EVOKE
Trimmer Support
-
Price N/A
More Details
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