The PCM1864 circular microphone board (CMB) is a low-cost easy-to-use reference design for applications that require clear-spoken audio, such as voice triggering and speech recognition. This TI Design uses a microphone array to capture a voice signal, and converts it to a digital stream that can be used by DSP systems to extract clear audio from noisy environments.
Blockdiagram
| Devices | Class | introduce | Datasheet |
|---|---|---|---|
| PCM1864 | semiconductor;Analog mixed-signal IC | PCM1864 103dB 4-Channel Software-Controlled Audio ADC With Universal Front End | Download |
| SN74LVC1G125 | semiconductor;logic | SN74LVC1G125 Single Bus Buffer Gate With 3-State Outputs | Download |
| SN74LVC1G126 | semiconductor;logic | SN74LVC1G126 Single Bus Buffer Gate With 3-State Outputs | Download |
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