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Voice/Audio Recorder Playback Circuits - Homemade …
https://www.homemade-circuits.com/make-single-chip-programmable/
The incorporated IC APR9600 is a programmable voice recorder chip which facilitates infinite number of recording/erase of audio files in it as per …
Voice, Sound Recorder Circuit - ElectroSchematics.com
https://www.electroschematics.com/voice-sound-recorder-circuit-schematic/
The circuit contains a microphone amplifier and a speaker amplifier. We can say it’s a digital voice recorder. S1 switch is for recording / play-back ( …
Audio Applications of Linear Integrated Circuits
https://www.ti.com/lit/an/snva530/snva530.pdf
Audio Applications of Linear Integrated Circuits Although operational amplifiers and other linear ICs have been applied as audio amplifiers, relatively little documenta-tion has appeared for other audio applications. In fact, a wide variety of studio and industrial audio areas can be served by existing linear devices. The stringent demands of audio re-
Integrated Circuits (ICs) | Audio Special Purpose | DigiKey
https://www.digikey.com/en/products/filter/audio-special-purpose/741
Voice recorder/playback circuit - Electronic Circuits and ...
https://www.circuitstoday.com/voice-recorderplayback-circuit
This circuit is based on the IC ISD1020A from ISD. The ISD1020A is a CMOS single chip record/playback device. The chip can record voice for 20seconds and has many features like automatic gain control, anti aliasing filter, built in audio amplifier and smoothing filter.
A list of Simple audio circuits and amplifiers for DIY(Do ...
https://www.circuitstoday.com/simple-audio-circuits
More about the ICs in Snap Circuits Music IC Alarm IC
https://www.elenco.com/wp-content/uploads/2017/10/ic_info.pdf
The Sound &Recording ICmodule (only in SCROV-50 Deluxe Snap Rover) contains an inte-grated recording circuit, a dual timer integrated circuit for making audio tones, microphone, speaker, filtering circuitry, and other supporting components including 24 resistors (2 are adjustable), 13 capacitors, 3 transistors and 4 diodes. Its schematic looks like this:
Buy Recordable Voice Module MP3 Music Sound Recording ...
https://fw.cicig.co/product/1005003765104545/recordable-voice-module-mp3-music-sound-recording-playback-module-button-light-control-4m-capacity-8ohm-1w-diy-greeting-card
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