ISD4002-120SI

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ISD4002-120SI Application Field and Working Principle

The ISD4002-120SI is an integrated voice record and playback chip system developed by ISD Technologies Ltd., a leader in non-contact and non-volatile integrated circuit devices. The device offers very high quality and reliable performance in the most demanding applications. It is one of the few devices in the industry that supports both digital and analog input and output interfaces.

The ISD4002-120SI is primarily used in a wide variety of consumer, commercial and industrial applications. It can be used to record spoken messages, music or any type of audio signal, with or without compression. It can also be used to replay these messages, music or audio signals in a variety of formats. The device supports both linear and logarithmic frequency response, as well as independent mic level amplification. The voice record and playback feature is compatible with the ISD4002 series chipsets, which provide a baseline for the design and testing of voice products.

The chip system is based on a powerful signal processor with dedicated logic which can discover, capture and store audio signals with a sampling rate of up to 38.4 kHz. It also features an onboard digital signal processor (DSP) which allows the device to perform various audio calculations and signal processing tasks. The signal processor also includes an SPI interface which can be used to update the firmware and manage the on-chip memory.

The ISD4002-120SI integrates an on-chip memory which can store up to 60 seconds of audio data. Up to eight mono or four stereo audio channels can be recorded or replayed with the device. The audio can also be stored on other memory devices such as RAM, SD cards or eMMC devices. The incoming and outgoing audio signals can be mixed and filtered using a simple, yet powerful, audio mixing software.

The device includes a variety of features to ensure the highest sound quality and reliability, such as integrated level control, anti-pop protection and automatic gain control. It also features an advanced spatial audio feature to enable enhanced audio experiences in stereo audio environments. Another useful feature is the Silence Detection capability which allows the device to automatically stop recording when the input level drops below a user pre-programmed threshold.

The ISD4002-120SI chip system is ideally suited for voice-enabled applications such as voice messaging, voice tagging and voice loggers. It is used for a variety of applications requiring voice recording or playback capabilities such as security systems, healthcare devices, interactive toys, GPS devices, and more. It is also used in automotive applications such as hands-free systems, car audio systems and voice automation systems.

The ISD4002-120SI is a powerful, highly integrated voice record and playback device that offers excellent audio performance and reliability. It is designed for easy integration into a variety of applications and is backed by a wide range of support and development tools. The device is easy to use and enables the development of powerful and cost-effective voice-enabled applications both quickly and reliably.

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