ISD4002-240EI

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Interface - Voice Record and Playback

ISD4002-240EI is a digital voice recorder and playback module that finds applications in various industrial and commercial applications. The module is capable of up to 8 kHz record rate, up to 8 kHz playback rate, up to 16 kHz playback time, and up to 4-bit ADPCM compression. It offers large on-chip memory space, flexible playback and recording, and longer battery life than its analogue counterparts.

Application Field

The ISD4002-240EI module is ideal for use in a wide range of voice and audio applications. It can be used for recording user-specified audio messages, musical pieces, voice messages or instructions for daily products, voice recognition or voice verification systems, voice message response systems, embedded audio playback for promotional purposes, real-time audio playback in robotic applications, and gaming applications.

The module can also be used in educational experiments and laboratory studies. Universities can use this module to create embedded audio recorders and playback systems. Its large on-chip memory space makes it an ideal choice for high-definition audio applications. It is also useful for displays that require synchronized audio broadcasts.

Working Principle

The ISD4002-240EI module is equipped with a digital signal processor (DSP) which is responsible for recording, decoding and playback of audio signals. Its advanced internal data converter transforms the received audio signals into digital data. This data is then stored on the module\'s on-chip memory and can be uploaded into a host microcontroller or computer for further processing. The module also contains a powerful voice recognition and voice verification processor for recording and decoding audio signals.

The ISD4002-240EI module is also equipped with an input and output device for recording and playback of audio signals. It has two analog-to-digital converters (ADCs) with one for the input signal and the other for the output signal. The module also includes a stereo headphone amplifier which allows for the playback of audio signals through stereo headphones or speakers.

The ISD4002-240EI module can be used for recording and playback of up to 8 kHz raw, 8 kHz ADPCM compressed, and 16 kHz ADPCM compressed audio signals. For longer voice recordings, the module allows for multi-track recording, loop recording, and clip recording, and can store more than 1 hour of audio. For improved battery life, the module includes an auto-standby mode which reduces the power consumption when no audio is detected.

Conclusion

The ISD4002-240EI is a powerful voice recording and playback module for industrial applications. It offers up to 8 kHz record and playback rates, up to 16 kHz playback time, and up to 4-bit ADPCM compression. Its on-chip memory allows for multi-track recording and playback, loop recording, and clip recording. Additionally, its auto-standby mode prolongs battery life. The ISD4002-240EI module is an ideal choice for voice and audio applications in both commercial and industrial environments.

The specific data is subject to PDF, and the above content is for reference