audioaid助听器audioadj.声音的；成音频率的n.音频；音响设备audio extraction音频采集audiovisual aids视听教具Audio / Video视听/音像audio controller音频控制器audio-fidelityn.声频保真度audio tone level可听音平audiovisual room视听室audio conference电话会议audio cue channel声频插入通道,第二伴音通道audio frequencies音频