... CVSD Continuous Variable Slope Delta Modulation 连接可变斜率增量调制 HV High quality Voice 高保真语音 ACK Acknowledge 确认 ...
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ISD1420是一种录音数据永久保存、高保真、耗电小、适用于同单片机接口的新一代语音器件。
ISD1420 is a fresh generation speech chip which can make recorded speech data reserve permanently, and is high fidelity, low power consumption, fit for interfacing with microcomputer.
语音信息采用模拟量存储方式，修改方便，具有高保真效。
The phonic information memorized in analogue has high fidelity effect and is very easy to modify.
介绍一种高保真的音频信号处理系统，给出了前端音频信号调理电路设计，实现了DSP芯片TMS320VC5410与语音转换芯片TLC320AD50C的硬件接口设计，并通过FIR算法实现了对音频信号的处理。
The design gives the signal conditioning circuit, accomplishes the hardware interface design of DSP chip TMS320VC5410 and chip -to-speech TLC320AD50C, and processes audio signal by FIR arithmetic.
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