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- 23 May 2019, 20:05
- Forum: Nuvoton Reference Design
- Topic: Integrating SARA-U270 together with NAU8814 audio codec
- Replies: 0
- Views: 5516
Hi, everybody! I have troubles with microphone audio quality with NAU8814 audio codes integrated with UBLOX SARA-U270 3G modem. Simple said, talking to microphone gets very poor sound quality. Probably in is not PCB trace problem, because I can get very good sound quality on speaker activating audio...