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Comp.DSP | Analog Devices DSPs | Audio Signal Processing | TMS320C28x | TMS320C3x | TMS320C54x | TMS320C55x | TMS320C6x | Code-Composer | Echo Cancellation | TMS320C24x | DSP & FPGA | Image Signal Processing | Matlab DSP | Freescale DSPs | Speech Recognition | Speech Coding | TI Sitara, OMAP, Stellaris, etc. |
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Schmitt trigger in software [29 Articles]
Posted by tom00 in Comp.DSP on Mar 29 2013
Hello all!
I have to implement a Schmitt trigger in software on a DSP. I was thinking
a while about a good implantation, but I just came to the simple solution
with has nested i... 
Sample aplication [7 Articles]
Posted by Mac Decman in Comp.DSP on Mar 28 2013
A while ago I posted a sample application for impulse response
analysis on soundforums.net. There are some pretty strict
requirements for the stimulus, but otherwise, it is just... Total power of PSD [4 Articles]
Posted by sedab in Comp.DSP on Mar 27 2013
Hi,
I have a Power spectral density of an EMG signal. I want to calculate total
power for different frequency ranges. (For 5-12, 15-30 and 30-60) How can I
do this using matla... Sine Lookup Table with Linear Interpolation [123 Articles]
Posted by rickman in Comp.DSP on Mar 27 2013
I've been studying an approach to implementing a lookup table (LUT) to
implement a sine function. The two msbs of the phase define the
quadrant. I have decided that an 8 bit ... spectrogram-frequency range [6 Articles]
Posted by sedab in Comp.DSP on Mar 27 2013
Hi,
Is there anyway of getting a spectrogram with a certain range of frequency?
I want to have a higher resolution between 15-30 Hz. So is it possible to
calculate it between t... Band filtering a complex baseband signal [8 Articles]
Posted by Arie in Comp.DSP on Mar 26 2013
I'm setting my first steps in the DSP area.
So I have worked myself a number of times through the fine DSP book of W.
Smith. But now I do have a (maybe very trivial) question.
... stft and median frequency [3 Articles]
Posted by sedab in Comp.DSP on Mar 26 2013
Hi,
I have a 10 seconds long non stationary EMG signal and I divided this into
5 section. Now I want to calculate median, mean and peak frequencies for
each of these 5 phases ... Estimating the Spectrum of a Non-Stationary Process [13 Articles]
Posted by Randy Yates in Comp.DSP on Mar 26 2013
I'm working with some folks who are trying to estimate the spectrum of a
signal that has continuous noise and a deterministic signal of
relatively small temporal extent. Their cu... How to calculate the time constant of a filter [19 Articles]
Posted by Stan in Comp.DSP on Mar 25 2013
Hi,
I have a low-pass fillter in the following form:
x_k = alpha * x_{k-1} + (1-alpha) * y_k
where x_k is the average value I try to update, and y_k is the new
value that... Generate Pink Noise Efficiently [42 Articles]
Posted by Robert Scott in Comp.DSP on Mar 25 2013
I am looking for a compute-efficient algorithm to generate pink noise.
The application must run on a smartphone (iPhone or Android w/NDK) and
take up a small fraction of the avai...