Content for Microphone

Microphone

A microphone, colloquially named mic or mike (/maɪk/), is a device – a transducer – that converts sound into an electrical signal. Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and public events, motion picture production, live and recorded audio engineering, sound recording, two-way radios, megaphones, radio and television broadcasting, and in computers for recording voice, speech recognition, VoIP, and for non-acoustic purposes such as ultrasonic sensors or knock sensors.

Simple DIY FM Transmitter

“Ever wondered how come you can just simply tune in to your favorite FM Radio Channel. Moreover, ever had the curiosity of making your own FM Station on a specific frequency? Well if the answer is Yes to any of …

Automatic Volume Adjuster for LOUD MOVIE MUSIC

“In this project I will solve one of the biggest problems I have with modern movies. The problem is that the conversation volume is way too low in comparison to the music volume. That is why I combined an Arduino …

Ambi-Alice a First Order Ambisonic Microphone

“An Ambisonic Microphone records audio in multiple directions allowing you to change the direction of where you are listening after recording, sometimes while you are listening. There are several of these on the market but we are going to build …

Low Voltage Microphone Preamplifier with Variable Compression and Noise-Canceling

“This is a complete microphone signal conditioning project. Designed primarily for voice-band applications, this project provides amplification, limiting, variable compression, and noise gate. User-adjustable compression ratio, noise gate threshold, and two different fixed gains optimize circuit operation for a variety …

Microphone Amplifier NE5532

“Good afternoon, dear viewers and readers. In todays article, I will show you the universal microphone amplifier based on the microcircuit NE5532. The microphone amplifier schematic diagram and printed circuit board (PCB) were developed in Easy EDA online environment. The …

Simple AM Radio Transmitter & Receiver

“In this project we will keep it simple when it comes to wireless audio communication. Instead of trying to use an nRF24 or RF modules, we will go back to the old days in which they used AM radios. I …

Create a USB Microphone with the Raspberry Pi Pico

“This guide will walk you through creating a USB microphone on the Raspberry Pi Pico using the RP2040’s PIO, DMA, and USB capabilities. Introduction This guide will walk through how to create your own USB microphone device using a …

Voice Loudness Monitor

“This product alerts the user when they are speaking too loudly via two LEDs. Louder voices spread more viral particles, so quieter is safer. In this pandemic it is important to take reasonable measures to reduce spreading viruses. A paper …

Pico Wake Word

“The TinyML Wake Word demo on the Raspberry Pi Pico. A less than $10 wake word! TinyML Wake-Word Detection on Raspberry Pi Pico This application implements the wake word example from Tensorflow Lite for Microcontrollers on the Raspberry Pi Pico …

Speech Recognition With an Arduino Nano

“I was desperate for something to read during lockdown and found in my bookcase an IEEE report on Speech Recognition from the late 1970s. Could an Arduino Nano do the same as a computer from that era? How does a …