Member Blog Posts: audio
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Water Pump Designed Audio Spectrum Analyzer
Posted Feb 09, 2012 By Circuit ProjectsThe project utilizes water pumps to create a spectrum analyzer that will be interfaced with real-time audio.
The project features…
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Arduino-Based Wave Shield Kit
Posted Feb 09, 2012 By Circuit ProjectsThe project involves the addition of quality audio with the use of shield for Arduino which can play up to 22KHz of 12-bit uncompressed…
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Audio Power Indicator with 6 LED Bars
Posted Feb 09, 2012 By Circuit ProjectsThe circuit has been designed for loudspeakers to provide a monitoring scheme of audio power being supplied which will determine that any…
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8-Pin Microcontroller Based SD Audio Player
Posted Feb 08, 2012 By Circuit ProjectsThe audio player was built using an SD memory card and the ATtinyX5 series 8-pin AVR microcontroller.
The SD audio player is able to…
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Remote Audio Detection And Security Monitoring
Posted Feb 08, 2012 By Circuit ProjectsThe circuit is designed to detect audio signals on a remote area for security purposes.
Preamplifier (preamp) – a device normally used…
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AVR Based Real-Time Video Signal with Audio
Posted Feb 08, 2012 By Circuit ProjectsThe project, known as Craft, was developed in order to generate sound and VGA video signal on a single AVR chip.
The Craft is considered…
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FFT Algorithm Based Audio Spectrum Analyzer
Posted Feb 08, 2012 By Circuit ProjectsThis audio spectrum analyzer utilizes an ARM7 LPC2138 microcontroller to create an FFT algorithm while performing digital signal processing…
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Class A-Designed Symmetrical Audio Preamplifier
Posted Feb 08, 2012 By Circuit ProjectsThe circuit was designed to produce a preamplifier with symmetrical audio input while the output operates in Class A type.
*…
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Audio Preamplifier / Line Driver
Posted Feb 08, 2012 By Circuit ProjectsThe primary concept of designing this line driver / preamplifier circuit is to be able to perceive music from a remote location by running…
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Elimination of Common Signal from Stereo Audio
Posted Feb 07, 2012 By Circuit ProjectsThe circuit was designed to create a method by which the common signal can be removed from a musical song.
*Common Signal – used to…Comments(0) -
An Alternative Pixie Known as The AP-80
Posted Feb 07, 2012 By Circuit ProjectsThe project is an improved design of the Pixie which originally consists of an LM386 audio amp and just two transistors.
The design of the…
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Mbed Platform Used for Audio Echo Effect
Posted Feb 07, 2012 By Circuit ProjectsThe project utilizes a LPC1768 based microcontroller to produce an audio echo/delay effect pedal since the microcontroller has a great…
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Connecting Audio Spectrogram to VGA Display
Posted Feb 06, 2012 By Circuit ProjectsThis real-time audio spectrogram utilizes a standard VGA monitor to compute and display the frequency spectrum of an audio signal.
An…
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Two-Transistor Spy Transmitter
Posted Feb 06, 2012 By Circuit ProjectsAny sound can be sent to any FM radio from any room by this simple 2-transistor audio transmitter.
During the usage, the radio and the…
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Generating Audio VGA Visuals Using Arduino
Posted Feb 03, 2012 By Circuit ProjectsThe project illustrates the use of Arduino for generating audio VGA visuals which is related to the dual monitor VGA hacking project.
In…
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Monitoring Audio Spectrum Using Graphical LCD
Posted Feb 02, 2012 By Circuit ProjectsThe AVR project utilizes a small graphics LCD to display the monitored spectrum and waveform of audio signal.
The full graphics type LCD…
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Audio Level Meter For Maximum Rating
Posted Feb 02, 2012 By Circuit ProjectsThe circuit shows the peak level of the audio input using MOSFET Op-Amp.
Audio level meters are designed to allow the optimum setting of…
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Audio Amplifier with Ultra Linear SIPP and SRPP Tubes
Posted Feb 02, 2012 By Circuit ProjectsThe tube audio amplififer was designed using SRPP 12SL7 tubes as the driver stage and SIPP KT88 tubes as the output stage to produce a…
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Multi Channel Audio Mixer by 2N3819 JFET
Posted Feb 02, 2012 By Circuit ProjectsHere is a multi channel audio mixer circuit based on 2N3819 n-channel JFET. It mixes as many as inputs into one channel. The design seen in…
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Digital to Analog Converter from USB Audio
Posted Jan 31, 2012 By Circuit ProjectsThe device was made in a one-sided PCB with the use of USB to create a high quality preamplifier with built-in DAC.
The USB connector was…
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