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(PDF) High-Fidelity PWM Inverter for Digital Audio ...
https://www.academia.edu/70070513/High_Fidelity_PWM_Inverter_for_Digital_Audio_Amplification_Spectral_Analysis_Real_Time_DSP_Implementation_and_Results
The process makes use of digital pwm Complete UPWM waveform. pwm signal processing and a switching power stage to provide both high fidelity and high efficiency, beginning with a digital audio Complete NPWM waveform. data stream.
High-Fidelity PWM Inverter for Audio Amplification Based On ...
http://ifp.illinois.edu/~sarwate/pubs/PWM_PEL.pdf
High-Fidelity PWM Inverter for Audio Amplification Based On Real-Time DSP C´esar Pascual, Zukui Song, Philip T. Krein, Dilip V. Sarwate ... makes use of digital signal processing and a switching power stage to provide both high fidelity and ... Pulse-width modulation, uniform and natural sampling, digital audio amplifier, noise shaping.
Generate Advanced PWM Signals Using DSP | Electronic …
https://www.electronicdesign.com/technologies/dsps/article/21774170/generate-advanced-pwm-signals-using-dsp
It has been observed that symmetric space-vector PWM technique generates less audible noise, especially when the dc bus voltage goes above 100 V. Depicted is the structure of a typical three-phase...
Audio Solutions Guide - TI.com
https://www.ti.com/download/vf/audio/audiosolutionsguide1.pdf
Stereo Digital Audio PWM Processor 15 Stereo Digital Audio Power Amplifier 15 Internet Audio Players 16 Programmable DSP with On-Board USB, ADC 18 Low-voltage, Low-power Stereo DACs 19 Low-power Stereo Audio Codec 19
Suggestions audio processing (Input ADC, buffer, DSP ...
https://devzone.nordicsemi.com/f/nordic-q-a/53215/suggestions-audio-processing-input-adc-buffer-dsp-output-pwm
If you're going to have any BLE activity concurrently with PWM you will need to use sequencing or else you'll drop some of the PWM samples. With buffer size of 24 you'll get 10ms latency at a sample rate of 2.4kHz, add a few ms of DSP per buffer and you should still be under 20ms, who I believe is deemed good enough for most audio application.
Application Overview - TI.com
https://www.ti.com/lit/ml/sprp623/sprp623.pdf
PWM H-bridge DSP SPDIF USB 1394 MOST DIGITAL DOMAIN ... audio and EMI performance. • PWM tracks must go as directly as possible from TAS5086/TAS5508 to TAS5142 and other power stages. The tracks must not interleave the PCB. • MCLK track must be as short as possible and must always be
D2-45157 - Intelligent Digital Amplifier PWM Controller ...
https://www.renesas.com/us/en/products/analog-products/audio-video/audio-ics/sound-processing-amplifiers/d2-45157-intelligent-digital-amplifier-pwm-controller-and-audio-processor
D2-45057 - Intelligent Digital Amplifier PWM Controller ...
https://www.renesas.com/us/en/products/analog-products/audio-video/audio-ics/sound-processing-amplifiers/d2-45057-intelligent-digital-amplifier-pwm-controller-and-audio-processor
comp.dsp | Choosing a DSP for audio processing
https://www.dsprelated.com/showthread/comp.dsp/97882-1.php
> Hello all, > > My group is designing a small, inexpensive audio device (basically a PWM > amp with variable/custom EQ processing), and we're looking to select a DSP. > I've perused datasheets from the majors, and could use some general > advice.
Teensy Audio Library, high quality sound processing in ...
https://www.pjrc.com/teensy/td_libs_Audio.html
Teensy 3.6, Teensy 3.5, Teensy 3.2 & 3.1 & 3.0 PWM, for approx 9-10 bit mono output. USB Audio, for bi-directional stereo streaming to/from a PC. Library Development & Technical Details. Development Roadmap; Creating New Audio Objects; Naming Conventions for Audio Library Objects; Timing and Scheduling Details Optimizations with Cortex-M4 DSP ...
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