SPRACN7 September   2019 TMS320C5517 , TMS320C5517

 

  1.   C55x CSL Audio Pre-Processing
    1.     Trademarks
    2. 1 Introduction
    3. 2 Requirements
    4. 3 Software Design
      1. 3.1 C5517 Audio Preprocessing TI Design Patch Files
      2. 3.2 More About Processing Algorithms
      3. 3.3 Framework for Audio Pre-Processing
    5. 4 Circular Microphone Board Demo
      1. 4.1 How to Build the Demo
        1. 4.1.1 C5517 EVM
      2. 4.2 How to Run the Demo
        1. 4.2.1 C5517 EVM
    6. 5 How to Evaluate the Demo
      1. 5.1 Use Headphone
      2. 5.2 Record Audio Data Using Adobe Audition
    7. 6 C55x Benchmark
    8. 7 References

2 Requirements

The following materials are required to run this demonstration:

  • Hardware:
    • Ensure that the correct dip switch settings are set for SW4 as illustrated below 1-ON, 2 to 4-OFF.
      • Sw4.gifFigure 2. SW4
    • TMDSEVM5517
    • CMB
  • Circular Mic Board (CMB) to C5517 EVM Connections
    • Optional: Circular Mic Board (CMB) 3D print file for stand-off (http://software-dl.ti.com/public/download/CMB_Enclosure.zip)

      • Table 1. Power

      CMB C5517 EVM
      CMB_3.3V J10_Pin9 3.3 V
      CMB_GND J10_Pin5 Ground

      Table 2. Signal for Mic1 and Mic2

      CMB C5517 EVM
      CMB_SCL J14_Pin16 I2C SCL
      CMB_SDA J14_Pin20 I2C SDA
      CMB_BCLK J27_Pin3 (no jumper) Bit Clock
      CMB_LRCLK J27_Pin4 (no jumper) Frame Clock
      CMB_DATA1 J30_Pin2 (no jumper) Data 1
      J29_Pin1_Pin3 (jumpber on)
      J29_Pin2_Pin4 (jumpber on)
      J30_Pin1_Pin3 (jumper on)

      Table 3. Signal for Mic5 and Mic6

      CMB C5517 EVM
      I2X_USB_BCLK J27_Pin1 Bit Clock
      I2X_USB_LRCLK J27_Pin2 Frame Clock
      CMB_DATA2 J28_Pin2 Data 2
      J28_Pin1_Pin (no jumper)
      J28_Pin2_Pin4 (no jumper)
    • Cmb_standoff.gifFigure 3. CMB Standoff
  • Software

    • NOTE

    In order to make the following build procedure to work, all above mentioned components have to be installed at the same location (ti/c55_lp by default).