ISD17180PY

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ISD17180PY is an integrated voice record and playback interface which is switched on by a strobe pin. ISD17180PY has great usability and excellent performance in providing a cost-effective solution for both clients and users alike. Generally, ISD17180PY is utilized in various applications that involves record and playback audio in either a single-tone or multi-tone format.

In terms of the application field, ISD17180PY can be widely applied whenever voice recording or playback is applicable. For example, digital voice recorders, answering machines, embedded prompt logging systems, dictation devices, amateur radio systems and so on. The ISD17180PY stores the audio data in a Flash memory. The memory is capable of storing up to 32 minutes of audio data and is suitable for providing single or multiplemonophonic or dual-tone recordings.

ISD17180PY’s working principle is pretty simple. The ISD17180PY enables recording, playback, fast-forward, and rewind. On one end, microphone is connected to the ISD17180PY by an ADC converter which converts the analog signal into a digital signal that can be stored in the Flash memory. On the other end, a DAC converter is connected to the ISD17180PY in order to convert the digital signal from the Flash memory back to analog signal for playback. The ISD17180PY also utilizes a control signal for controlling the signal processing.

To achieve recording, the audio signal is mixed with a control signal, then fed to the ADC for digitizing and stored in the Flash memory. To achieve playback, the stored audio is read from the Flash memory and converted to analog signal by the DAC. Recording and playback can be done in any order. To achieve fast-forward and rewind, the audio signal is read from the Flash memory at different speeds and converted to analog signal by the Digital-to-Analog Converter (DAC), thus enabling fast-forward and rewind.

In conclusion, ISD17180PY is an excellent choice for clients and users who need a voice record and playback interface. With a wide application field and a simple working principle, ISD17180PY provides a cost-effective solution that meets all the criteria of record and playback audio.

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