WCD9341中文资料Qualcomm Aqstic™ Audio Codec数据手册Qualcomm规格书

描述 Description

The Qualcomm Aqstic audio codec (WCD9341) supports popular voice UIs is designed to allow devices to have always-on and always-listening capabilities at both very low power and high-resolution playback standards. WCD9341 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 native Direct-Stream Digital (DSD) Hi-Fi audio playback. The DAC on the Qualcomm Aqstic codec has ultra-low Total Harmonic Distortion plus Noise (THD+N), wh....

特性 Features

General Audio
Voice Services
• Amazon Alexa Voice Service
• Microsoft Cortana
• Baidu DuerOS
• Google Assistant
Audio Playback
Playback Dynamic Range
• 130dB
Total Harmonic Distortion + Noise (THD+N), Playback
• -109dB
Dual Oscillator Support, Playback
• 44.1kHz
• 48kHz
PCM, Playback
• Up to 384kHz/32bit
Native DSD support
• DSD64
• DSD128
Additional Playback Features
• DoP Support (DSD over PCM)
• DXD support
Audio Recording
Recording Dynamic range
• 109dB
Sampling, Record
• Up to 192kHz/24bit
Total Harmonic Distortion + Noise (THD+N), Record
• -103dB
Power Consumption
Audio playback
• 34mW for high performance mode
• 6mW low power mode
Low power voice activation
• 0.65mA