ISD1750EYIR

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ISD1750EYIR is an easy-to-use, integrated voice record and playback device introduced by Winbond. The device supports multiple applications and is designed to meet the voice recording and playback needs of a variety of products and applications. This article will discuss the applications fields of ISD1750EYIR and its working principle.

This device is primarily used for interface devices such as DLP TV, remote control, laptop computers, digital cameras, and more. The main advantages of this device are its long operation time (up to 8 seconds in case of low power applications), low power consumption (<1mA>, low recorded data rate (<100KB/s), and large capacity (about 2Kb). Other features of the device include fast data rate (>96kHz) and stability.

The applications of ISD1750EYIR include voice prompting, voice alarms, voice menu, voice switch, voice memo, voice recognition, and automatic answering. This device is well suited for portable, fixed, and embedded applications. It can be used for portable audio recording and playback, for example, providing a hands-free operation for home security systems, video surveillance, and home automation systems. It can also be used as a voice controller for navigation, navigation directions, and voice information systems such as voice emails and voice password protection.

The working principle of ISD1750EYIR consists of two stages: the recording stage and playback stage. In the recording stage, the ISD1750EYIR detects the incoming sound signals and stores them in memory. The incoming audio streams can be in either analog or digital format; however, the device works best with analog signals. The recorded audio is then digitized and stored in memory.

In the playback stage, the recorded audio is played back. The ISD1750EYIR can be used to provide playback control options by setting the direction, speed and duration of the playback. If a button or switch is connected to the control pin, the playback can be manually triggered. The device supports both continuous and single-shot playback with the help of the control pins.

In summary, the ISD1750EYIR is an ideal voice record and playback device for a variety of applications. It offers low power consumption, long operation time, high data rate, and large memory capacity. It is well suited for portable, fixed, and embedded applications and can be used for various voice applications. Its two-stage working principle allows for both recording and playback control.

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