spectrum-envelope of voice的意思|示意

语音频谱包络 ... spectrum utilization characteristic 频谱利用特性 spectrum-envelope of voice 语音频谱包络 spectrum-selectivity characteristic 频谱 -选择性特性曲线 ...

话音频谱包络 ... 话音节信道 {电} voice-grade channel 话音频谱包络 spectrum-envelope of voice 话音识别 speech recognition ...