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QAudio

Quectel modules’ audio interface has main and auxiliary channels.

Quectel modules’ audio interface has main and auxiliary channels. Audio interface can be designed for the applications of handset, headset, loud speaker and etc. Quectel can provide customers with the reference design of the prepherial circuit and ways of decreasing TTD noise, suppressing Echo and sidetone. Quectel also can offer customers special Echo suppression and AGC algorithm to improve the audio performance.

The Quectel module for hands-free applications can be opened at the same time echo cancellation algorithm, the maximum extent weakened echo, while maintaining good communication effect. In addition, the automatic gain controller on the MIC transmission path can effectively suppress the broken sound, and the noise cancellation controller on the SPK receiving path can effectively reduce the environmental noise and bring comfort. The utility model can be widely used on the vehicle equipment.

Success Case VIEW ALL
  • Parklio, When IoT Saves Your Precious Time
  • Evreka Offers the Next Generation of Waste Management & Cleaning, Accelerated by Quectel Modules
  • When IoT Cares, Connected-Smart Pill Dispenser
  • Cheers to IoT!
  • COBBLESTONE, a GPS Tracker for All Seasons
  • Sensoneo, Where IoT Changes Waste to Treasure
  • Quectel BG96 Helps Municipalities to Realize Smart Waste Management
  • Accent Systems Develops NB-IoT Tracker Based on Quectel BC95
  • RDCCO Adopts Quectel BG96 in Latest Gateway
  • Quectel EC25 Module Supports iWave's OBD II Device
  • Trio Mobil Chooses Quectel M66 and L70 Modules for Its Flagship Vehicle Tracking Device
  • BULTECH Uses Quectel GSM/GPRS Module M95 for its MilkAnalyzer
  • WIMB Tracks Every Move of Your Bike Thanks to Quectel GSM/GPRS M95 and GPS L70-R
  • NAM System Chooses Quectel GSM/GPRS M95 and GPS L70 Modules for its ONI System

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