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Audio and Speech | Microchip Technology
https://www.microchip.com/en-us/solutions/consumer/audio-and-speech
USB Audio Headset Demo: PIC32MM MCU: Record and Playback, Streaming Audio: Library: dsPIC33E Sample Rate Conversion: dsPIC33E: Record: Application Note and Source Code: AN1152-Achieving Higher ADC Resolution Using Oversampling: dsPIC33E, dsPIC33F: Record and Playback, Voice Communications: Library: SW300026 dsPIC®/PIC24 G.711 Speech …
dsPIC® DSC Speech and Audio Fast Forward (SAFF) Tool ...
https://www.microchip.com/en-us/software-library/speech-and-audio-fast-forward
The dsPIC® DSC Speech and Audio Fast Forward (SAFF) tool provides users with real-time control of Microchip’s Speech and Audio Processing Algorithms as they are running in an embedded system application. This PC GUI tool facilitates easy tuning of Microchip’s Noise Suppression, Acoustic Echo Cancellation, Line Echo Cancellation and ...
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 ...
VOR software receiver and decoder with dsPIC
http://www.ultman.com/KnowledgeBase/dsPIC_sw_receiver_Rev1.1.pdf
After dsPIC receives the data it does the signal processing. The audio signal is output back to codec to DAC. With the headphone amplifier built in we can connect headphones directly to codec output. The bearing to the VOR station is calculated by the dsPIC and displayed on the LCD display connected to the SPI port of the dsPIC.
pic - Simple playback audio with FFT not working (dsPic33F ...
https://electronics.stackexchange.com/questions/106179/simple-playback-audio-with-fft-not-working-dspic33f
Show activity on this post. Perhaps it's an outdated answer. Anyway, the issue with your code is that FFTComplexIP store the result in the bitreversed order. You must add the. BitReverseComplex (7, &Frame [0]); between the FFT and the iFFT function calls. The following is written in the dsPIC Language Tools Library:
introduction to dspic microcontrollers and features - DSP
https://microcontrollerslab.com/dspic-microcontrollers-introduction/
INTRODUCTION OF dsPIC DIGITAL SIGNAL CONTROLLER This article contains an introductory note at dsPIC as well as learn more about the features of this proficient digital signal controller.In 2001, Microchip introduced the dsPIC series of chips, which penetrated mass production later.They are Microchip’s first innately 16-bit microcontrollers. It is supported by embedded …
comp.dsp | dsPic adc for audio signals
https://www.dsprelated.com/showthread/comp.dsp/56398-1.php
Hi. With a dsPic (ie dsPic30F4013) I need to process two voice band channels (for telephony, fs=8kHz). Can there be problems to use the embedded adc, oversampling 8 times and then filtering? Do you think this may waste more than one half of dsp bandwidth? Why is not usual to use the embedded adc for audio signals? Thank you. pp
dsPIC Language Tools Getting Started
https://ww1.microchip.com/downloads/en/devicedoc/70094a.pdf
dsPIC™ Language Tools Getting Started Chapter 1. Installation and Overview 1.1 INTRODUCTION This document is intended to help use dsPIC30F software tools by providing a step-by-step guide using of MPLAB® C30 with the MPLAB Integrated Development Environment (IDE) v6.30 or later. MPLAB IDE should already be installed on the PC.
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