湖南大学一个小型程控交换机的设计 关键词:交换机 信号音 DTMF 铃流检测 [gap=378]Keyword: PABX; signal tone; DTMF; bell detection
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...形象地说它支撑起或勾勒出整个音响背景的基本轮廓,如《雨霖铃》中的主调音为人物耳畔挥之不去的蝉声;二是信号音(signal sound),它在整幅音景中因个性鲜明而特别容易引起注意,如口哨、警笛和铃声等,《雨霖铃》中的舟人催促声(“兰舟催发”)应属此类;三是...
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... three-tone method 三音法 audible signal tone 信号音 busy tone signal 忙音信号; 占线信号 ...
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By modifying tone resource in media gateway, I advanced that under H. 248protocol the signal tone customer heard can be changed.
并提出了在H.248协议下,通过修改媒体网关音资源数据,从而改变用户信号音的新思路。
参考来源 - H.248协议在通信网络中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
秒表,这倒计数,预设时间后,会发出一个信号音都过去了。
The stopwatch, which counts backwards, emits a signal tone after a preset time has elapsed.
并提出了在H . 248协议下,通过修改媒体网关音资源数据,从而改变用户信号音的新思路。
By modifying tone resource in media gateway, I advanced that under H. 248protocol the signal tone customer heard can be changed.
同时本文还提出了一种平滑音调系数的插值后处理算法,该算法解决了瞬时突变噪声引起信号音调检测误判的问题。
This paper also deals with the problem of temporal energy surge of noise component in narrow band influencing the tonality detection with post-smoothing.
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