Audio Converters

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Audio Converters

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  • Forum Post: TAS5508B and I2C problem

    Ruben V
    Hi all. I am working with the TAS5508B processor, and I am having some troubles with the communciation with it via the I2C. I am able to init it by sending a master volume value of 1, and once this is done, I can send to it some biquad filters. The filters are also executed, so I can be pretty sure...
    on Nov 24, 2009

  • Forum Post: How can I use TUSB3200CPAH in place of TUSB3200ACPAH?

    JimDz
    TUSB3200ACPAH is not in stock. What do I have to do to use TUSB3200CPAH to replace it in an existing design?
    on Feb 11, 2010

  • Forum Post: TAS3108 Dynamic Sample Rate Change

    Attila
    Hy, I use the TAS3108EVM2 and Input-Usb (A759) board, and I want to use the digital input with different sample rates. My questions is: How the dynamic sample rate change works in TAS3108? How I can change the sample rate dynamic with I2C command? Where i can found table of sample rate dependent...
    on Mar 16, 2010

  • Forum Post: TLV320AIC23B output problem

    Javier Gr
    Hello, I'm working with the stereo codec TLV320AIC23B and I can´t manage to get an audio signal at the output. What I get is a DC level. I have configured the device in DAC mode using I2C. It's working as slave. The MCLK frequency is 12.288 MHz, the BCLK frequency is 1.536 MHz and...
    on Mar 23, 2010

  • Forum Post: Re: How to handle TLV320AIC24K unused inputs/outputs?

    Chris Nielsen (formerly OctalRules)
    Does the AC-couple to ground guidance also apply to the ADC3101 device's unused analog inputs? thanks
    on May 7, 2010

  • Forum Post: Looking for Linux Driver (2.6.28) for PCM1774 Device

    Rory Filer
    Hi Everyone, I've inherited a piece of hardware with a PCM1774 DAC on it and I'm looking for a Linux driver for it. I've been trying to find the source code for _any_ driver starting from the http://focus.ti.com/docs/prod/folders/print/pcm1774.html URL, but I just end up going...
    on Aug 26, 2010

  • Forum Post: TLV320AIC32 audio src MIC2/LINE2L/R and MIC3/LINE3L/R always mix

    Scott51881
    Hi all, I'm working at TLV320AIC32 and processing data in DM6467. Thre board designed is as MIC3 connected with MIC and LINE1 / LINE2 connected to Line In signal. 1. Line In signal and MIC data is alway mix even I set MIC3 is off from PGA path. 2. If set MIC3 off and the Line In signal received...
    on Sep 9, 2010

  • Forum Post: DAS DCT 2.0

    Mehmet GUL
    Hi everbody, How to download the DAS DCT 2.0 for TAS3103. I don't have TAS3103EVM and CD, I will design new board. Thanks for help... Mehmet
    on Oct 13, 2010

  • Forum Post: Audio processing using Tms320C55xx processor

    velappan ramasamy
    Hi All I have decided to work on Audio processing for my dissertation in college. I am using Tms320c55xx processor and CCS . So as the first step i took the example provided in CCS, loaded the .out file into the DSK sent the audio input and when Dip 3 is pressed FIR filtering was done.Then i designed...
    on Oct 28, 2010

  • Forum Post: PCM4220 VREF & VCOM settling time?

    MKARGER
    Regarding the PCM4220 24-bit ADC, is there a minimum time that needs to be enforced between the time that power is applied to the ADCs and the time that RESET is deasserted and the 1024 MCKI initialization period begins, in order to allow the VCOM and VREF outputs to stabilize? We have an application...
    on Nov 11, 2010

  • Forum Post: TAS1020B with basic surround circuit doesn't run up

    cylinc
    Hello, my small USB recorder using TAS1020B+CS5343 can't be recognized by Windows XP. Windows pops up "unkown device" after the recorder is inserted to it. The power is 3.26V, and the reset signal, clock seem all right. I tried to remove the surround elements(24C64,CS5343),the result...
    on Nov 23, 2010

  • Forum Post: Re: Problems with Hand Set Echo cancellation in AEC3254.

    BAK
    Javier: Sorry you are having issues with this process flow. Can you provide detailed information regarding the process flow you are using, the version of PPS and also provide a sample of the output signal when it is choppy and distorted? Here are some questions that may help direct us to the source...
    on Dec 15, 2010

  • Forum Post: Initializing and debugging TAS3204

    Christopher K.
    Hello TI community, I'am new to the world of the TAS Audio DSPs and just finished my first board with the TAS3204. Now like almost always the problem is to get the chip running. The hardware is completed and from my understanding ready to be used. I'am using the analog in- and outputs of...
    on Jan 21, 2011

  • Forum Post: Echo-Cancelation System using (2) TLV320AIC3254EVM-K

    Dennis Bennett
    Hi, I would like to connect (2) headsets together to communicate to each other (one using echo-cancellation). I have (2) TLV320AIC3254EVM-K eval kits. Would I connect them together as shown below? Comments...ideas? Thank you, -Dennis Hi,
    on Jan 25, 2011

  • Forum Post: TLV320AIC26 Filter design software

    ronnym
    I am currently working with the AIC26 and need to create a notch filter. Is there software for the task using the audio effects filter in the chip? Thanks, Ron
    on Jan 28, 2011

  • Forum Post: TLV320AIC23B thermal pad connection

    Andreas Geisreiter
    Hello, we will use the QFN 28 package of the AIC23B. I don't understand the description of the thermal pad connection in the datasheet on page A-3 ( http://www.ti.com/lit/gpn/tlv320aic23b ). Is it possible to connect the thermal pad to GND or not? Best regards, Andreas
    on Feb 1, 2011

  • Forum Post: Use Headphone out of TLV320AIC23B in DC coupled mode

    Andreas Geisreiter
    Hello, I will use the headphone output of the AIC23B without capacitors in pseudo-differential mode with virtual ground . Is it possible with the ACI23B? And is it possible to use the VMID pin for the virtual ground? And which GND do I have to connect to the HPGND pin, GND or the virtual GND? ...
    on Feb 2, 2011

  • Forum Post: I2S to USB for recoder on TAS1020B.

    Jeff Jeon
    Hi, The main application of TAS1020B is digital speaker. It means "usb to C-Port". But, is it possible to use TAS1020B for recoder (I2S to usb)? I saw the application demo at TAS1020BEVM user's guide. However, in I2S case, the EVM shows me just speaker application demo not recoder...
    on Feb 14, 2011

  • Forum Post: PCM1774 and IIS input

    Martin Sauer
    Hello, I want to use the PCM1774 in our design for analog and digital audio muxing. I get the digital audio data from CS8416 (digital audio interface receiver) in I2S format. I set the configuration registers descripted in the datasheet but don't get an audio signal at the ouput if I have a...
    on Feb 16, 2011

  • Forum Post: XLR microphone input to audio codec

    Amir Kamzel
    Hello, I'm working on camcorder application and we intend to implement an on-board microphone + a pro XLR micropohne input (for both dynamic and condenser microphones) The on-board microphone is quite standard and it will provide me a single ended line which will go directly to the audio codec...
    on Feb 20, 2011

  • Forum Post: AIC3254 - Master I2S DOut output

    Dennis Bennett
    Hi, I am having troubles getting I2S Dout output from the AIC3254. I am using (2) of the TLV320AIC3254EVM-K eval boards; one configured as I2S master (driving BClk and WClk and Dout) to the other AIC3254 as I2S slave, (as shown in figure below). The master uses MCK from the TAS1020, SW2-5 is...
    on Feb 22, 2011

  • Forum Post: Re: puzzles about ultrasonic sampling ,filtering and listening with eZdsp5505 development

    Kieran Yu
    hi Peter Chung i found that from the time sequence, the left line-in and right line-in are sampled in the high level and low level of square wave respectively. so "mix up left and right input as mono input" i mean i want to connect the left and the right line-in as just one input termininal...
    on Mar 1, 2011

  • Forum Post: DSD1791A: Dynamically varying the sampling freq to change the freq of the output...

    Matt Hosler
    I am interested in using the DSD1792A DAC for an unconventional application. We need to produce a 20-40 kHz sine wave with 120 dB of dynamic range as a feedback signal to a sensor. We want to output the same values of a sine wave (min,max,and zero), but dynamically vary the sampling frequency to change...
    on Mar 7, 2011

  • Forum Post: TLV320aic3104 Control Question

    Brian Beversdorf
    Hello, I'm new to the forums and to the TLV320aic3104 chip. I had just a few questions about controlling this chip..... I want to take an analog audio signal, use the chips equalizer and volume control and send it out to an amplifier. Am I able to use strictly I2C or I2S to control the chip...
    on Mar 15, 2011

  • Forum Post: TLV320ADC3101 ADC reolution

    Ali Imtiaz
    Hi I am using the TLV320ADC3101EVM-K and have configured it in 24 bit mode however the last 8 LSB bits only seem to change from 0x00 to 0xFF, is the ADC not capable of operating with true 24 bit resolution ? here is an example of some of the data I obtained from the ADC f624ff00 f65f0000 f6e5ff00...
    on Apr 26, 2012
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