CN1909625A - 一种自动调整音量的电视装置及控制方法 - Google Patents

一种自动调整音量的电视装置及控制方法 Download PDF

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CN1909625A
CN1909625A CNA2005100364085A CN200510036408A CN1909625A CN 1909625 A CN1909625 A CN 1909625A CN A2005100364085 A CNA2005100364085 A CN A2005100364085A CN 200510036408 A CN200510036408 A CN 200510036408A CN 1909625 A CN1909625 A CN 1909625A
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television equipment
communication interface
level
telephone
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李晓光
谢冠宏
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CNA2005100364085A priority Critical patent/CN1909625A/zh
Priority to US11/309,361 priority patent/US20070076131A1/en
Publication of CN1909625A publication Critical patent/CN1909625A/zh
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439Processing of audio elementary streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/478Supplemental services, e.g. displaying phone caller identification, shopping application
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/57Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Television Receiver Circuits (AREA)
  • Telephone Function (AREA)

Abstract

一种自动调整音量的电视装置,该电视装置包括:一通讯接口,与一电话装置连接,从该电话装置接收电平信号;一侦测单元,与该通讯接口连接,侦测通讯接口处的电平变化,并输出相应的音量控制信号;及一音量控制单元,与该侦测单元连接,根据该音量控制信号调整电视装置的音量。

Description

一种自动调整音量的电视装置及控制方法
【技术领域】
本发明涉及一种电视装置及控制方法,特别涉及一种自动调整音量的电视装置及控制方法。
【背景技术】
电视装置与电话装置的结合日益紧密起来,其中最近利用电视装置显示电话来电信息就是其中一种较好的结合方式。利用电视装置显示来电信息,用户可在观看精采电视节目的同时获知电话来电信息,从而决定是否接听该电话主叫。但是,当用户接听电话时,这种电视装置不能自动调低其音量,从而会影响和干扰用户通话效果。
因此,需要提供一种能够自动调整音量的电视装置,当用户接听电话时,其能够自动将其音量调低到一预定音量值,而当用户挂断电话后,其又能够自动恢复音量。
【发明内容】
本发明的一主要目的在于提供一种自动调整音量的电视装置,当用户利用一电话装置接听电话时,与该电话装置连接的电视装置可自动调低其音量,当用户挂断电话后,该电视装置又可自动将其音量恢复到调低之前的音量值。
本发明的另一主要目的在于提供一种自动调整音量的电视装置的控制方法,当用户利用一电话装置接听电话时,与该电话装置连接的电视装置可自动调低其音量,当用户挂断电话后,该电视装置又可自动将其音量恢复到调低之前的音量值。
基于上述目的,提供一种自动调整音量的电视装置,该电视装置包括:一通讯接口,与一电话装置连接,从该电话装置处接收电平信号;一侦测单元,与该通讯接口连接,侦测通讯接口处的电平变化,并输出相应的音量控制信号;及一音量控制单元,与该侦测单元连接,根据该音量控制信号调整电视装置的音量。
还提供一种自动调整音量的电视装置的控制方法,该方法包括以下步骤:判断电视装置与一电话装置相连的通讯接口处的电平是否发生了变化;如果该通讯接口处的电平发生了变化,电视装置响应该变化自动调整其音量。
该发明的优点在于:当用户利用一电话装置接听电话时,与该电话装置连接的电视装置可自动调低其音量,当用户挂断电话后,该电视装置又可自动将其音量恢复到调低之前的音量值,从而避免了较大的电视音量对用户接听电话造成干扰。
【附图说明】
图1是一种自动调整音量的电视装置的电路示意图。
图2是一种自动调整音量的电视装置的控制方法的方法流程图。
【具体实施方式】
请参阅图1,是一种自动调整音量的电视装置30的电路示意图,该电视装置30包括一通讯接口301、一解码单元302、一侦测单元303、一MCU304、一显示处理单元305、一显示单元306、一音量控制单元307、一声音处理单元308、至少一扬声器309及存储单元310。该电视装置30的通讯接口301与一电话装置10通过一电话线40共同接入一电话网络20,从电话网络20处接收电话主叫信息。
当接收到一电话主叫信息时,电视装置30的通讯接口301接收该电话主叫信息,并将其传输给解码单元302进行解码处理,解码后的电话主叫信息经由MCU 304传输给显示处理单元305进行处理后通过显示单元306显示出来。
用户从电视装置30的显示单元306或从电话震铃获知该电话主叫信息并决定接听该电话主叫后,电话装置10的话筒被摘起,这时电话装置10的输出电平发生变化,在本实施方式中,电话装置10的话筒被摘起时其输出电平从高电平变为低电平,例如从12伏变化为6伏或8伏等。因电视装置30的通讯接口301通过电话线40与电话装置10相连,故通讯接口301处的电平发生相应的变化,即从高电平变化为低电平。侦测单元303侦测通讯接口301处的电平变化,当侦测到通讯接口301处的电平由高电平变为低电平时,其输出一调低音量控制信号,并将其经由MCU 304传输给音量控制单元307。音量控制单元307响应该调低音量控制信号将电视装置30音频信号的音量调低到一预定音量值,例如调低到话筒被摘起之前音量值的百分之五十等,该预定值可根据用户的需要进行不同设定,并存储于电视装置30的存储单元310中。被调低音量的音频信号从音量控制单元307输出给声音处理单元308进行处理后通过扬声器309播放出来。因此,当用户接听电话时,电视装置30自动将其音量调低到一预定音量值,从而避免了较大的电视音量对用户接听电话造成干扰。
当用户接听完并挂断电话后,电话装置10的输出电平恢复到话筒被摘起之前的电平值,例如恢复至12伏,此时,电视装置30的通讯接口301处的电平随的发生相同变化,即从低电平变为高电平。侦测单元303侦测到通讯接口301处的电平由低电平变为高电平时,输出一调高音量控制信号,并将其经由MCU 304传输给音量控制单元307,音量控制单元307响应该调高音量控制信号将电视装置30音频信号的音量调高,也就是恢复到话筒被摘起之前的音量值。声音处理单元308将被恢复音量的音频信号输出给声音处理单元308处理后通过扬声器309播放出来。
请参阅图2,是一种自动调整音量的电视装置30的控制方法的方法流程图,该方法流程包括以下步骤:步骤501:从电话网络20接收一电话主叫信息;步骤502:处理并显示该电话主叫信息;步骤503:判断电视装置30与电话装置10相连接的通讯接口301处的电平是否由高电平变为低电平,如果电平未发生变化,则转至步骤502;如果电平由高电平变为低电平,则执行步骤504:将电视装置的音量调低到一预定音量值;步骤505:判断通讯接口301处的电平是否由低电平变为高电平,如果通讯接口301处的电平未发生变化,则转至步骤504;如果通讯接口301处的电平由低电平变为高电平,则执行步骤506:将电视装置的音量调高,即将电视装置的音量恢复到被调低之前的音量值。

Claims (11)

1.一种自动调整音量的电视装置,其特征在于,该电视装置包括:
一通讯接口,与一电话装置连接,从该电话装置接收电平信号;
一侦测单元,与该通讯接口连接,侦测通讯接口处的电平变化,并输出相应的音量控制信号;及
一音量控制单元,与该侦测单元连接,根据该音量控制信号调整电视装置的音量。
2.如权利要求1所述的自动调整音量的电视装置,其特征在于,该通讯接口通过一电话线与该电话装置共同接入一电话网络。
3.如权利要求1所述的自动调整音量的电视装置,其特征在于,侦测单元侦测到通讯接口处的电平由高电平变为低电平时,其输出一调低音量控制信号给音量控制单元。
4.如权利要求3所述的自动调整音量的电视装置,其特征在于,音量控制单元响应该调低音量控制信号将电视装置的音量调低到一预定音量值。
5.如权利要求1所述的自动调整音量的电视装置,其特征在于,侦测单元侦测到通讯接口处的电平由低电平变为高电平时,其输出一调高音量控制信号给音量控制单元。
6.如权利要求5所述的自动调整音量的电视装置,其特征在于,音量控制单元响应该调高音量控制信号将电视装置的音量调高,恢复到被调低的前音量值。
7.如权利要求1所述的自动调整音量的电视装置,其特征在于,该电视装置还包括一解码单元,其与通讯接口连接,用于将通讯接口接收的电话主叫信息解码后给电视装置显示。
8.一种自动调整音量的电视装置的控制方法,其特征在于,该方法流程包括以下步骤:
判断电视装置与一电话装置相连的通讯接口处的电平是否发生了变化;
如果该通讯接口处的电平发生了变化,电视装置响应该变化自动调整其音量。
9.如权利要求8所述的自动调整音量的电视装置的控制方法,其特征在于,该方法还包括步骤:从电话网络接收一电话主叫信息,处理并显示该电话主叫信息。
10.如权利要求8所述的自动调整音量的电视装置的控制方法,其特征在于,该方法还包括步骤:如果通讯接口处的电平由高电平变为低电平时,电视装置自动调低其音量到一预定值。
11.如权利要求8所述的自动调整音量的电视装置的控制方法,其特征在于,该方法还包括步骤:如果通讯接口处的电平由低电平变为高电平时,电视装置自动调高其音量值。
CNA2005100364085A 2005-08-05 2005-08-05 一种自动调整音量的电视装置及控制方法 Pending CN1909625A (zh)

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US11/309,361 US20070076131A1 (en) 2005-08-05 2006-08-01 Television set having automatic volume control function and method therefor

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