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  • TLV320AIC3256: AMIC gain setting

    Other Parts Discussed in Thread: TLV320AIC3256 art Number: TLV320AIC3256 Dear TI teams, For our customer's application: We use the MCU (STM32) and codec IC (TLV320AIC3256). We found the confuse about extra gain here. We use the label mic, and its spec…

  • TLV320AIC3256: How to tune TLV320AIC3256’s Analog mic SW gain or EQ?

    TI Thinks Resolved
    Part Number: TLV320AIC3256 hi TI How to tune TLV320AIC3256’s Analog mic SW gain or EQ? This is our testing result, the low frequency is too low. That low then 1KHZ.
    • Answered

  • TLV320AIC3256: miniDSP's not running?

    Resolved
    Part Number: TLV320AIC3256 Hi, We're trying to get the AIC3256 running in a new design and have an issue where it seems like the miniDSP's are not running. Reading/writing over I2C to load the codec seems to be working fine. VSYS, IOVDD = 3.01v…
    • Resolved
    • Answered

  • TLV320AIC3256: Wind Noise Suppression Algorithm?

    Resolved
    Part Number: TLV320AIC3256 Other than a simple HPF, is there an algorithm available from TI (either in PurePath Studio or elsewhere) that can be implemented in the miniDSP to remove microphone wind noise from a 2-mic input configuration? For example,…
    • Resolved
    • Answered

  • TLV320AIC3256: Unipolar Configuration and MICBIAS of 2.5V

    Resolved
    Part Number: TLV320AIC3256 We are having difficulties in achieving unipolar configuration for headset connection and associated MICBIAS of 2.5V Below are the configurations we have done to set the MICBIAS: Intended operation Register/s Updated …
    • Resolved

  • RE: TLV320AIC3256: Filter coefficients calculation

    2shine, The coefficients can be calculated on the fly, the coefficient calculator isn't doing anything special, it uses the calculations that are described in the document I linked to. can you explain where your calculations are going wrong? best…

  • TLV320AIC3256: Filter design equations

    TI Thinks Resolved
    Part Number: TLV320AIC3256 Hi, I am using the Biquad Filter Design Tool in the PurePath Studio. I choosed the Equalizer(Q factor) filter. Then I set the Fc, Gain, Q as shown in Fig.1 Applying the equations in section 1.2 of Biquad Filters Application…

  • TLV320AIC3256: AIC3256 AEC

    TI Thinks Resolved
    Part Number: TLV320AIC3256 Dear TI, This is Derek from Arrow Asia. My customer application need below: 1.Double-mic input, d ouble-horn output, and mic need match horn one by one. 2.Need AEC function 3.Small package. I have recommended AIC3256 to my customer…

  • RE: TLV320AIC3256: purepath studio

    No problem Ben. Im sorry it took so long to fix! I'm glad you're up and running now. best regards, -Steve Wilson

  • TLV320AIC3256: DSBGA / YFZ ball-out

    TI Thinks Resolved
    Part Number: TLV320AIC3256 Dear Sir/Madam In the datasheet http://www.ti.com/lit/ds/symlink/tlv320aic3256.pdf the ball D5 is not mentioned. Can you recomend a connection for this ball - e.g. "connect to gnd" or "leave floating" ? B…

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