ISD1420SI

Series:	ChipCorder®
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Interface:	Pushbutton
Moisture Sensitivity Level (MSL):	--
Input Signal:	Analog - Single Ended, Microphone
Output Signal:	PWM Speaker Output
Sampling Frequency:	6.4kHz
Duration:	20 Sec
Filter Pass Band:	2.6kHz
Messaging:	Multiple
Oscillator Type:	Internal
Features:	Automatic Gain Control
Operating Temperature:	-40°C ~ 85°C (TA)
Voltage - Supply:	4.5V ~ 5.5V
Mounting Type:	Surface Mount
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SOIC

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Interface - Voice Record and Playback

The ISD1420SI application field and working principle is a technology which allows for the recording and playback of voice or audio. ISD1420SI is a voice recording and playback component that integrates voice processing functions into a small system and offers great convenience to users.The ISD1420SI technology provides a two-way audio recording and playback device and can be used in a variety of applications. The device can record up to 8kHz of audio using a microphone and provides output jack for connecting speakers. It also features playback mode and offers a 3.5mm input jack for connecting an additional microphone.The ISD1420SI is highly energy efficient and low cost. It is well-suited to many applications like telephony, video conferencing, and video streaming. Additionally, it can be used for language learning, educational, business and entertainment applications.The ISD1420SI technology operates on a multibit D-A conversion and utilizes a digital signal processing unit (DSP). It can be used for voice recognition, voice control and voice sentiment analysis. It also has an on-chip analog-to-digital converter (ADC). The device is capable of directly interfacing with digital signal processing chip sets, enabling low-cost deserialization and digital signal processing algorithms.ISD1420SI is composed of a custom interfacing chip, an ADC, a microchip, two loudspeakers and two microphones. It is a perfect system for multimedia applications and its main components include DACs and ADC converters, a microcontroller, microphone circuit, audio amplifier and some additional features.To enable the recording and playback of voice, the ISD1420SI technology produces two MP3 files containing the audio recorded by the two microphones. Then, these two MP3 files are stored on the device\'s internal memory. This process is known as “Voice Retrieval”. After that, these files can be played back using a speaker connected to the device. Furthermore, other applications such as voice recognition or voice command can be enabled on the device.For voice recognition, the ISD1420SI technology uses a speech recognition processor and a speech analysis processor. Then, the signal is sent to the processor, which is programmed to analyzing the audio signal to perform the necessary function. This processor can then take the input from the microphone and output a signal which is decoded by the processor and further analyzed to generate the desired voice command.The ISD1420SI technology is a great solution for voice and audio recording and playback. It also provides a low-power consumption, cost-effective technology, which can be useful in many applications. Additionally, its voice recognition capabilities, voice command and voice sentiment analysis makes it an extremely powerful tool. Thus, it is suitable for various applications and can be used in language learning, entertainment, educational and business applications.

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