I. Bayani
Yawancin lokaci a cikin yanayi, amo koyaushe yana fitowa daga kowane gefe, kuma yana haɗuwa da siginar murya, tare da tasirin sauti da sauti, yana da wuya a yi amfani da makirofon daban-daban don karɓar murya mai tsabta. Microphone Array Module (HP-DK70M) Guangzhou Sicheng Electronics Co., Ltd. ne tushe da 4 silicon corn (MEMS) microphone zagaye array fasahar zane da R & D guda nuna microphone module, wannan samfurin ya yi amfani da 4 microphone array, hadedde amo hana, echo hana, echo kawar, da kuma sauran algorithms, a cikin m filin sauti yanayi iya tasiri cire magana murya, rage kewaye da muhalli amo tsangwama. A halin yanzu ana amfani da shi sosai a cikin yanayin fasaha na kudi, sabis na fasaha, mota mai fasaha, gida mai fasaha, mutummutumi da sauransu, don samar da mafita mai dacewa.

Hoto 1

II. Tsarin Tsarin
HP-DK70M ya yi amfani da wani zobe huɗu grain array zane, goyon bayan UAC2.0 audio yarjejeniyar; Yana goyon bayan tsarin Windows, Linux, Android da sauransu

3. module girma
1. Dukkanin girman 80.5mm * 49mm * 1.6mm.

Yarjejeniyar canja wurin bayanai: USB 2.0.

IV. Audio da lantarki sigogi

Tebur 1 Sauti sigogi

Tebur 2 lantarki sigogi

5. Pick shugabanci da kuma kewayon kusurwa
Gano pickup rami: HP-DK70M ya yi amfani da baya tuning microphone, don haka pickup farfajiyar ya kamata ya zama wani gefen da babu kayan aiki, pickup rami kamar yadda aka nuna a Figure 3 a ƙasa

Figure 3 Pick rami

Shugabancin karɓar sauti: Maikarafo na uku M3 yana karɓar sauti, kamar yadda aka nuna a Figure 4.

Pick kewayon: daidaitawa da tsakiyar layi na makirofon, da ± 45 ° na sama, da kuma kusurwar inclination 25 °.

Hanka polarity: a 1KHz mita auna polarity zane kamar yadda aka nuna a ƙasa Figure 6, labarin ya shafi picking kewayon a matsayin tunani kewayon, ainihin picking yana da wani raguwa sauyawa sashi.

VI. Interface ma'anar
HP-DK70M module dubawa haɗi ta hanyar Type C, PCBA kamar haka:

Hoto 7 PCBA jiki Chart

7. Hardware Saituna da jerin
Ka'idar ƙirar ƙirar ƙirar kayan aiki, mai sauƙi don amfani. Motherboard goyon bayan da yawa na'urori dubawa, fitarwa audio dubawa da USB Audio da kuma serial tashar jiragen ruwa, free drive amfani, iya goyon bayan Windows, Linux, Android da sauran tsarin. Jerin kayan aiki na kayan aiki yana cikin Tebur 5-1, kuma jerin kayan aiki na kayan aiki yana cikin Tebur 5-2.

Tebur 5-1 Jerin kayan aiki

Table 5-2 Jerin kayan aiki

8. Lura
1, lokacin da aka shigar da samfurin da aka gama, ana buƙatar isasshen sarari a kan sautin sauti, wanda aka ba da shawarar cewa ba tare da murya ba;
2, na waje tsarin bude ramin D bukatar mafi girma fiye da MEMS mic pick ramin d, wato: D> d;
3, lokacin da aka tara, PCBA allon shiga murya rami surface bukatar m da na waje tsarin sassa ciki bango, bukatun da mafi tsanani mafi kyau, don kauce wa samar da murya cavity, aƙalla bukatun: 2D> h.