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Wav File
Hi I reading a Wav file in C++. I need to convert the PCM values to float values for further DSP manipulation (Filtering etc ...). Do I need to do this through a conversion from Hex to binary unsigned 2 complement values then to integers ? Thus anyone know of any available function in C/C++ ? Am I missing somet... 15 Nov 2009 22:12
IIR and FIR filters
Hello Forum, what is the main difference between infinite impulse response and finite impulse response filters? Clearly, in real life, all filters should have a finite response: after a while the response must die off. In digital processing, a FIR is also necessary since we deal with finite amounts of data...... 13 Nov 2009 13:16
Want to learn DSP
I have keen interest in Digital audio signal processing using C/C++ (Windows) but don’t know from where to start with. Can any one please tell me what to do? Guys I need a real world advice and assistance. I really need your help. Thanks in advance, Durgesh ... 24 Nov 2009 14:28
FPGA Camp is tomorrow - 11/11 - silicon valley - Dinner provided
To register visit & yes DINNER will be provided so bring a friend !! There are two distinct phases in bringing an FPGA system to market: the design phase and the debug and verification phase. The primary tasks in the design phase are entry, simulation, and implementation. The ... 10 Nov 2009 16:19
Looking for an FEC coding scheme with variable coding bits
Background: I am currently writing a lossy LPC source coder for real time transmission over a wireless channel. This coder produces a stream with a fixed AVERAGE bit rate (that means it varies around that rate). To keep the MOMENTARY bit rate within certain limits, I reduce quality when the bit rate gets too high ... 10 Nov 2009 10:39
How to compensate gravity if I only have 1 accelerometer and 1 magnetometer(magnetic field sensor)?
Hi, I'm working on location sensing by using 1 accelerometer and 1 magnetometer only (so called "dead reckoning") but now I realize that when I move my device, it is always possible to tilt the device a little bit, such that the gravity is decomposed onto 3 axes, which causes that the real motion acceleration and the g... 12 Nov 2009 02:53
Practical differences between BCH and Reed-Solomon codes?
>dvsarwate(a) <dvsarwate(a)> wrote: On Jul 31, 1:44�am, spop...(a) (Steve Pope) wrote: Actually, it takes only k clock cycles to compute this remainder. If the bits are entering the decoder serially, it takes n clock cycles to get them all into the decoder. So I am n... 9 Nov 2009 09:56
c2c vs r2c fft
I'm not entirely shure if this is the right place to ask, so if my post does not fit please ignore or suggest a better place. I want to do a FFT on real data using the FFTW3 library. The code i'm working on is based on hermitian matrices, therefore i need to use the r2c transform. As far as i understand it, t... 9 Nov 2009 17:43
Suggestion for DS-CDMA simulation issue (just have a look)
I'm simulating DS-CDMA using Matlab and I have some observations and have thought of a method to simulate it. I am caught by an issue, which I aim to resolve with your help For CDMA, is following "datagen-spread-modulate" procedure equivalent to "datagen-modulate-spread"? I am using 'multiplication over [1,-1... 8 Nov 2009 14:03
STUPIDENT::Re: Measuring SNR using output of ADC
Why stupidents always post their homeworks from gmail and it is always about MatLab and FFT ? prashan wrote: I am trying to estimate the SNR of a radio + ADC, basically my receive chain in a communications system, which comprises of the analog front end that feeds the IF signal into an ADC. I appl... 5 Nov 2009 14:30
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