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How to filter audio with dsPIC? | Microchip
https://www.microchip.com/forums/m97525.aspx
How to filter audio with dsPIC? Hello, I want to do some DSP type filter, like a low pass filter. I have a signal from an Microphone, and I want to filter some frequencies, and then hear on a headset (like an intercom), is it possible to do with some dsPIC?
Filter Design for dsPIC DSC Digital Filter Design and ...
https://ww1.microchip.com/downloads/en/DeviceDoc/SW300001%20manual.pdf
Page 1 - 2 dsPIC Filter Design Reference Guide 1.1 Design Capabilities Infinite Impulse Response Filter Design: • Lowpass, Highpass, Bandpass, and Bandstop Filters • Filter orders up to 10 for Lowpass and Highpass Filters (4 for dsPICFdlite) • Filter orders up to 20 for Bandpass and Bandstop Filters (8 for dsPICFdlite) • Five Analog Prototype Filters are available:
DSP Audio Filter - Free download and software reviews ...
https://download.cnet.com/DSP-Audio-Filter/3000-2170_4-75717125.html
By WD6CNF. DSP Audio Filter is a program designed to enable you to filter the audio input (microphone) with one of several filters and then output it to the computer speakers. It has different ...
dsPIC33F FRM Section 33. Audio Digital-to-Analog Converter ...
https://ww1.microchip.com/downloads/en/DeviceDoc/70211B.pdf
The output of the interpolation filter drives the Sigma-Delta modulator, which converts the word output from the interpolation filter into a serial bit stream. The bit stream from the modulator is processed by the reconstruction filter to convert the bit stream to an analog signal. It then performs a low-pass filter to yield the desired voltage ...
dsPIC audio equalizer | All About Circuits
https://forum.allaboutcircuits.com/threads/dspic-audio-equalizer.30285/
Help please! How to connect 9 IGBTs to a single PWM output pin of a DSPIC controller: Power Electronics: 1: Dec 25, 2017: S: Help with ideas about how to connect 9 IGBTs to a PWM output pin of a DSPIC: Power Electronics: 3: Dec 25, 2017: S: Connecting a single DSPIC PWM output pin to control 9 IGBT bricks simultaneously: Power Electronics: 0 ...
The Complete FIR Filter Guide for Loudspeakers & Audio ...
https://eclipseaudio.com/fir-filter-guide/
Audio FIR Filtering A Guide to Fundamental FIR Filter Concepts & Applications in Loudspeakers. DOWNLOAD AS PDF . Although not a new technology, manufacturers are increasingly including FIR (finite impulse response) filtering in loudspeaker processors and DSP based amplifiers due to the significant increase in performance-versus-cost of microprocessors and DSP hardware.
FIR Filter tools - miniDSP
https://www.minidsp.com/applications/advanced-tools/fir-filter-tools
Eclipse Audio provides a suite of software tools for creating FIR filters & mixed IIR/FIR filter presets for loudspeakers, including FIR Designer M, FIR Designer, FIR Creator EX & FIR Creator. FIR Designer M is the most comprehensive, providing integrated design for up to 6-way loudspeakers. Both FIR Designer products have unlimited IIR filters ...
VOR software receiver and decoder with dsPIC
http://www.ultman.com/KnowledgeBase/dsPIC_sw_receiver_Rev1.1.pdf
The audio portion of the signal including the Morse code identifier of the station is separated by 300-3000Hz band pass filter. The output of the filter is passed to DA ... Filter X ADC ADE-1 ADE-1 Figure 4. dsPIC based VOR receiver Input RF signal passed through LC Band pass filter and mixed with the quadrature
pic - Microchip dsPIC33 audio DAC: has anyone succeded ...
https://electronics.stackexchange.com/questions/372898/microchip-dspic33-audio-dac-has-anyone-succeded-using-it-without-noise
Here there is the waveform, the spectrogram and the FFT of the background noise with and without the audio passing through the MCU. This was recorded using a cellphone recording the line input electrically connected to the output of my circuit. EDIT 3: Here is an audio sample of what I am getting. The first half is with the signal passing ...
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