WCD9340

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Qualcomm Aqstic™ Audio Codec

The Qualcomm Aqstic audio codec (WCD9340) supports popular voice UIs is designed to allow devices to have always-on and always-listening capabilities at very low power and high-res....

The Qualcomm Aqstic audio codec (WCD9340) supports popular voice UIs is designed to allow devices to have always-on and always-listening capabilities at very low power and high-resolution playback standards. It has an integrated audio codec DSP to support two voice UI wake-up words simultaneously and has an integrated DAC (digital-to-analog converter) that supports up to 384kHz/32bit Hi-Fi audio playback. The DAC on the Qualcomm Aqstic codec has ultra-low Total Harmonic Distortion plus Noise (THD+N), which means no additional noise or....

WCD9340 and Qualcomm Aqstic are products of Qualcomm Technologies, Inc. and/or its subsidiaries.

Specifications

Voice Services

Voice Services Ecosystems: Amazon Alexa Voice Service, Baidu DuerOS, Microsoft Cortana, Google Assistant

Power Consumption

Audio playback: 34mW for high performance mode, 6mW low power mode

Low power voice activation: 0.65 mA

Audio Playback Interfaces

Playback Dynamic Range: 130 dB

Total Harmonic Distortion + Noise (THD+N), Playback: -109 dB

Playback Sampling Frequency: 44.1kHz, 48kHz

Audio Recording Interfaces

Total Harmonic Distortion + Noise (THD+N), Record: -103dB

Recording Sampling: Up to 192kHz/24bit

Recording Dynamic range: 109 dB

Pulse Code Modulation (PCM)

Playback Sampling: Up to 384kHz/32bit

Development tools and purchase options.

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