| Output Signal | Sound Input | Index | Product Model | Size(mm) | Sensitivity(dB) | SNR(dB) | Main Features | Applications |
|---|---|---|---|---|---|---|---|---|
| Analog | Frontport | 1 | GTM3729AT-A0C0-N01-1A0 | 3.76*2.95*1.10 | -42 | 57 | ⋅Adjustable Sensitivity
⋅Ni Shell |
⋅Cell phone |
| 2 | GTM3722AT-A0C0-N01-1A0 | 3.76*2.24*1.10 | -42 | 57 | ⋅Adjustable Sensitivity
⋅Ni Shell |
⋅Earphone | ||
| 3 | GTM3729AT-B0C0-N01-1A0 | 3.76*2.95*1.10 | -42 | 61 | ⋅High SNR Frontport
⋅Adjustable Sensitivity |
⋅Cell phone | ||
| 4 | GTM3722AT-C0C0-N01-1A0 | 3.76*2.24*1.10 | -42 | 52 | ⋅Low cost | ⋅Earphone | ||
| Backport | 5 | GTM3730AB-A0C0-N01-3A0 | 3.76*3.0*1.10 | -38 | 63 | ⋅Adjustable Sensitivity
⋅Ni Shell |
⋅Cell phone | |
| 6 | GTM3730AB-B0C0-P02-3A0 | 3.76*3.0*1.10 | -38 | 66 | ⋅High SNR
⋅Adjustable Sensitivity |
⋅Cell phone
⋅Smart speaker |
||
| 7 | GTM3526AB-B0C0-P01-3A0 | 3.5*2.65*1.0 | -38 | 66 | ⋅High SNR
⋅Adjustable Sensitivity |
⋅Cell phone
⋅Smart speaker |
||
| 8 | GTM2718AB-A0C0-P02-3A0 | 2.75*1.85*0.90 | -38 | 63 | ⋅Standard product | ⋅Earphone | ||
| 9 | GTM2718AB-C0C0-N02-3A0 | 2.75*1.85*0.90 | -38 | 61 | ⋅Low cost
⋅Ni Shell |
⋅Earphone | ||
| Digital | Frontport | 10 | GTM4737DT-B0P0-P01-3A0 | 4.72*3.76*1.25 | -26 | 61 | ⋅High SNR Frontport | ⋅Laptop |
| 11 | GTM4030DT-A0P0-F01-3A0 | 4.0*3.0*1.0 | -26 | 63 | ⋅Triple layer PCB | ⋅Laptop
⋅Smart speaker |
||
| 12 | GTM4030DT-B0P0-F01-3A0 | 4.0*3.0*1.0 | -26 | 66 | ⋅High SNR
⋅Triple layer PCB |
⋅Laptop
⋅Cell phone ⋅Smart speaker |
||
| Backport | 13 | GTM4030DB-A0P0-P02-3A0 | 4.0*3.0*1.0 | -26 | 63 | ⋅Standard product | ⋅Laptop
⋅Smart speaker |
|
| 14 | GTM4030DB-B0P0-P02-3A0 | 4.0*3.0*1.0 | -26 | 66 | ⋅High SNR | ⋅Laptop
⋅Cell phone ⋅Smart speaker |
Allwinner SoC-Only 3-Mic Far Field Dev Kit for Amazon AVS (Alexa Voice Service) delivers fully integrated, high-performance far-field reference designs. The Dev Kit makes the job easier to build and launch products with AVS. The underlying voice processing algorithms from GMEMS Tech provides a state-of-the-art noise suppression and echo cancellation processes on voice input end. (http://www.allwinnertech.com/index.php?c=market&a=index&id=59)
