ISD2590P

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ISD2590P is a high-performance CMOS single-chip 8-bit digital alarm recorder with on-chip controller. It is the ideal choice for applications such as interactive voice prompts, instructions and recorded speech. ISD2590P\'s operating frequency range is wide, and its maximum operating frequency can reach 2.16MHz (1024kHz). It is suitable for any sampling rate signal (including human voices in audible band signals, etc.).

ISD2590P application field is mainly used in recording instruction, voice prompt, customer service interactive response recorder and customer service hotline, customer service interactive broadcasting playback, automated annotation note playback, telephone help desk and other fields. For example, in the medical industry, the recorded voice can classify medical items; in the security industry, voice alarms can be used to issue warnings; in the military field, personnel can issue various commands or instructions; in the industry automation field, voice can transfer various production related parameters, etc.

ISD2590P works on a highly secure single-chip system. It can record up to 37.75s of multiple-voice data using up to 32 different sampling rate parameters and continue recording different encoded waveforms. There is a built-in microphone pre-amp and adjustable gain control, which can provide excellent quality recordings, while finally a built-in low-power comparator can detect the voice input of microphone, then start and stop recording. Additionally, there is a power-down mode that can be activated within <10uS. In that way, background noise and interference can be minimized.

Apart from record and playback features, ISD2590P also offers other features such as waveform equalization, low-power voltage controlled oscillator (VCO), auto gain control (AGC), automatic bit rate conversion and Soft mute. Waveform equalization enables ISD2590P to to more accurately capture and playback audio over a wide frequency. Low-power VCO provides an adjustable frequency for background sound effects. AGC feature helps to maintain an ideal level of voice recording and playback without further adjustments or processing. The automatic bit rate conversion feature allows ISD2590P devices to automatically adjust the bit rate of a speech playback according to the requirements of the application. Finally the Soft Mute feature provides the desirable low level noise reduction while maintaining gain adjustment while playback.

In summary, ISD2590P is an ideal choice for interactive voice prompts, instructions and recorded speech applications. With its various features and high performance, it is an ideal platform for applications such as medical item classification, security warning, military command or instruction issuing and industrial parameter transferring.

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