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DSP halts after sometime

Started by nishank pathak in TMS320c6x15 years ago 2 replies

Hi All, I am coding a speech enhancement system on TI 6713. The sampling rate is 8K= hz. After running for around 12 seconds the dsp halts by...

Hi All, I am coding a speech enhancement system on TI 6713. The sampling rate is 8K= hz. After running for around 12 seconds the dsp halts by itself. It does no= t give any error. Can anyone help? =A0 Thanks Nishank _____________________________________


smallest DSP package

Started by Jeff Brower in TMS320c6x13 years ago 5 replies

All- Does anyone know the smallest DSP or microcontroller package that TI has? The algorithm complexity is not high, some 22 kHz sampling...

All- Does anyone know the smallest DSP or microcontroller package that TI has? The algorithm complexity is not high, some 22 kHz sampling rate, some averaging, and some FFTs. -Jeff _____________________________________


2 single input simultaneous sampling

Started by Eric Cheng in TMS320c6x20 years ago

Hi, Using the THS12082, how does this work? I have signals being sampled from AINP and AINM. Register is set to auto read ...

Hi, Using the THS12082, how does this work? I have signals being sampled from AINP and AINM. Register is set to auto read from the 2 channels. I have tried plotting my buffer contents and it corresponds with the 2 signals that are coming in. However, I wish


asking for RTDX example

Started by piopioi in TMS320c6x21 years ago

Hi, Does anyone have RTDX example for audio signal sampling? I want to use c6711 DSK to sample the input audio from Microphone...

Hi, Does anyone have RTDX example for audio signal sampling? I want to use c6711 DSK to sample the input audio from Microphone and save the sampled data to host PC. Are there such examples or similar stuff? Thank you very much. pio


Verifying FFT Result

Started by B S in TMS320c6x14 years ago 19 replies

Hi Guys, I have computed FFT of 1 KHz sine wave with 1 Vp_p using C6713 DSK, to be sure that FFT algorithm is working fine, I want to verify my...

Hi Guys, I have computed FFT of 1 KHz sine wave with 1 Vp_p using C6713 DSK, to be sure that FFT algorithm is working fine, I want to verify my result. Can you please tell me how can I do this. Sampling frequency used is 8KHz and no. of FFT points are 256. Waiting for your quick response. BR, BS


Frequency measurement

Started by SVS in TMS320c6x18 years ago 3 replies

Dear Members I want to measure frequency of power line. I am using 16-bit ADC (sampling frequency is 12.8KHz). My question is how to measure...

Dear Members I want to measure frequency of power line. I am using 16-bit ADC (sampling frequency is 12.8KHz). My question is how to measure frequency with high accuracy (+/ - 8mHz) in presence of Harmonics ( I think it can be done by Appling FFT) . Can any one through some light on this? Thanks in Advance. Regards, SVS --------------------------------- Do you Yahoo!? Get on boar...


70 Mhz PM modulated IF signal sampling and recording for research

Started by murs...@yahoo.com in TMS320c6x18 years ago

I want to sample and record 70 Mhz PM modulated IF signal. Do you have any suggestions how I can do? I have C6713 DSK. Is there any suggestions...

I want to sample and record 70 Mhz PM modulated IF signal. Do you have any suggestions how I can do? I have C6713 DSK. Is there any suggestions about suitable daughter card to realize this aim?


interrupt programming in c6713

Started by nikita iyer in TMS320c6x12 years ago 1 reply

Hi all, Is it possible to declare multiple interrupts in 6713. I have been reading about interrupts from Chassings book and according to their...

Hi all, Is it possible to declare multiple interrupts in 6713. I have been reading about interrupts from Chassings book and according to their example of int11 this interrupt will occur at every sampling period. I do not wish these interrupts to occur infinitely. How can I do that. Also I wish to have three different types of interrupts for taking in and out data from mic and line. Any sugge...


Default sampling rate PCM3003

Started by Matt in TMS320c6x17 years ago

Hi... I was just wandering if the default sample rate of the PCM3003 is 44khz, or do you have to setup an interrupt to ensure that it really is...

Hi... I was just wandering if the default sample rate of the PCM3003 is 44khz, or do you have to setup an interrupt to ensure that it really is a fixed 44khz? thanks!


Playing PCM audio samples

Started by melaniesaayman in TMS320c6x21 years ago 2 replies

Hello all, I am using the 6711 DSK to do mp3 decoding. I want to know how to play the PCM samples. Can I use the ...

Hello all, I am using the 6711 DSK to do mp3 decoding. I want to know how to play the PCM samples. Can I use the TLC320AD535 on the board? I see it has a 8kHz sampling frequency, will this be a problem to play music? Will the sound quality be bad? Or


How to use another DAC with DSP kit

Started by Sia Lih Huoy in TMS320c6x18 years ago

Hello all, I'm working with TMS320C6713DSK now and I'd like to have other sampling frequencies as provided by AIC23. I'd like to direct the...

Hello all, I'm working with TMS320C6713DSK now and I'd like to have other sampling frequencies as provided by AIC23. I'd like to direct the digital data to the new DAC, not AIC23.How am I going to use another DAC with the DSP kit? Thanks for advice. Rdgs lhsia


Pb with PCM3003

Started by nadbret in TMS320c6x21 years ago 2 replies

Hello, I use the C6711DSK and the PCM3003 audiocard. I want to do a FIR filter with a sampling frequency=48 Khz. I use an...

Hello, I use the C6711DSK and the PCM3003 audiocard. I want to do a FIR filter with a sampling frequency=48 Khz. I use an hardware interrupt each time the serial port Mcbsp1 receives a data. Between 2 samples, I do my process (read data from the codec, FIR & wr


how we can access the analog data in DSK320c6713

Started by pradeep in TMS320c6x19 years ago

hi all.. i m pradeep. I m new to the dsp environment..As part of my thesis work i have to implement some part on TMS320C6713. I have to...

hi all.. i m pradeep. I m new to the dsp environment..As part of my thesis work i have to implement some part on TMS320C6713. I have to sample the current signal and i have to apply my algorithm on the current samples.I want the samples at the 1khz sampling rate. How i can do this...In examples there is a program for the audio.will it work for my requir


ADC and DAC daughter card for DSK6713

Started by asourice in TMS320c6x17 years ago

I am looking for a daughter card for the 6713DSK with DAC and ADC. Both sampling frequency reached must be higher than 1 Msps. Does anyone...

I am looking for a daughter card for the 6713DSK with DAC and ADC. Both sampling frequency reached must be higher than 1 Msps. Does anyone found and used such a card ? Thank you for your help, Anthony


About CCS V2.0 error message!

Started by fjulink in TMS320c6x21 years ago 1 reply

Hi all: In my program, I use C call assembly . The function of assembly is control my Analog/Digtal circuit by EMIF. ...

Hi all: In my program, I use C call assembly . The function of assembly is control my Analog/Digtal circuit by EMIF. Those sampling data will be saved at 0x0000 4000~ 0x0000 5000, then the program back to C. Sometimes the program is ok, but so


Re:Unable to perform adaptive filtering in C6713

Started by sham...@yahoo.co.uk in TMS320c6x14 years ago

The most common cause is that your sampling frequency is too high and the > DSP isn't fast enough to keep up. Specially if you use NLMS,...

The most common cause is that your sampling frequency is too high and the > DSP isn't fast enough to keep up. Specially if you use NLMS, which involoves > division by a variable, DSP just hasn't enough computation power. Estimate > the MIPS required by your algorithm first or do LMS first. > > Wei Hi, do you still have your program code for the nlms algorithm. I am trying to modify the syst


Filter implementation on DSK6416

Started by bhar...@gmail.com in TMS320c6x16 years ago 1 reply

Hello All, I am new to DSP programming and am experiencing some difficulties implementing filters on a fixed point DSP (TMS320C6416). To...

Hello All, I am new to DSP programming and am experiencing some difficulties implementing filters on a fixed point DSP (TMS320C6416). To keep it simple, I started trying to implement a single pole low pass filter with a corner frequency of 500 Hz while sampling at 96kHz. I have obtained the quantized filter coefficients using Matlab's fdatool. I have then written down type 1 direct fo...


RTDX_read symbol referencing error

Started by Chee Hoe in TMS320c6x16 years ago 1 reply

Hi, sorry for the repost i forgot to paste the error message. I'm usng ccs 2.2. Can anyone help me please. Thank you. #include...

Hi, sorry for the repost i forgot to paste the error message. I'm usng ccs 2.2. Can anyone help me please. Thank you. #include "rtdx_vbloopcfg.h" #include "dsk6416_aic23.h" //codec-DSK support file #include #include "target.h" Uint32 fs=DSK6416_AIC23_FREQ_48KHZ; //set sampling rate int gain = 1; RTDX_CreateInputChannel(control_channel); interrupt void c_int11()


FFT Spurs

Started by Vetter, Kurt in TMS320c6x21 years ago 1 reply

I have a system where I am sampling at 2.5MHz, and in order to achieve a spectral resolution of 100Hz I am accumulating 25,000...

I have a system where I am sampling at 2.5MHz, and in order to achieve a spectral resolution of 100Hz I am accumulating 25,000 samples. I am transferring the samples via a FIFO in lengths of 1024. After accumulating frames in real time "continuous" I then filter, dec


warning: typedef name has already been declared (with same type)

Started by krishna_h_aries in TMS320c6x15 years ago 1 reply

Hi everyone.. my name is Krishna.. from ITB (Indonesia..) I make ANC, and confuse bout the warning of my program... //FXLMS control #include...

Hi everyone.. my name is Krishna.. from ITB (Indonesia..) I make ANC, and confuse bout the warning of my program... //FXLMS control #include #include #include #include "DSK6713_AIC23.h" //codec-DSK support file #include "second.h" //float S[128] #include "FXLMS_ctrlcfg.h" Uint32 fs=DSK6713_AIC23_FREQ_8KHZ; //set sampling rate #define