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

6 C55x Benchmark

Table 4. C55x Benchmark

C5535 eZdsp C5545 BSP C5517 EVM C5517 EVM C5517 EVM
MIPS 100 Mhz 120 Mhz 200 Mhz 200 Mhz 200 Mhz
Number of physical mics 4 (2 I2Ss) 4 (2 I2Ss) 2 (I2S) 4 (I2Ss) 6 (3 I2Ss)
Mic array type LMB or CMB LMB or CMB LMB or CMB LMB or CMB LMB or CMB
Number of virtual mics 4 4 2 4 6
Measured MIPS 33+27+1 = 61 MIPS 33+27+1 = 61 MIPS 10+13+1 = 24 MIPS 33+27+1 = 61 MIPS 68+39+1 = 107 MIPS
Memory usage (SARAM+DARAM) 168KB
152KB left		 168KB
152KB left		 144KB
176B left		 166KB
152KB left		 196KB
124KB left

NOTE

C5535/45/17 have 320KB total on chip memory. Measured MIPS includes BF+ASNR+MSS.