CN1402931A - 用于在另一移动电话中播放存储在一移动电话中的音频文件的装置和方法 - Google Patents

用于在另一移动电话中播放存储在一移动电话中的音频文件的装置和方法 Download PDF

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CN1402931A
CN1402931A CN00816581A CN00816581A CN1402931A CN 1402931 A CN1402931 A CN 1402931A CN 00816581 A CN00816581 A CN 00816581A CN 00816581 A CN00816581 A CN 00816581A CN 1402931 A CN1402931 A CN 1402931A
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CN1281043C (zh
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A·博里斯特伦
M·霍尔斯特伦
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Telefonaktiebolaget LM Ericsson AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72445—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting Internet browser applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/02—Details of telephonic subscriber devices including a Bluetooth interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/14—Details of telephonic subscriber devices including a card reading device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

Abstract

一种使用诸如移动电话的第一通信设备(2)和诸如电话的至少另一通信设备(27)的方法包括以下步骤：在该第一通信设备(2)中播放音频信号，发送同样的音频信号到该另一通信设备(27)，并且在该另一通信设备(27)中播放该音频信号。通过将在该第一通信设备中播放的音频信号发送到该另一设备并且在那里播放，可以实现共享的音频收听，这样也可以使用该通信设备来共享收听例如音乐。因此对于处在不同位置的两个人有可能同时或者至少几乎同时地收听该同样的音频信号。

Description

用于在另一移动电话中播放存储在 一移动电话中的音频文件的装置和方法
本发明涉及一种一起使用第一通信设备和至少另一通信设备的方法。本发明进一步涉及一种包括第一通信设备和至少另一通信设备的通信系统；一种适合于用在包括至少另一通信设备的通信系统中的通信设备；以及一种随同一个适合于用在包括至少另一通信设备的通信系统中的第一通信设备使用的附加设备。
供例如音频盒式录音磁带或光盘(CD)使用的便携式播放设备已经被知道许多年并被广泛使用，因为它们允许用户在任何地方和在运输中听音乐或另外的音频信息。
现今，显著地压缩数字化音频信号的不同方法也被了解了，这样的状况导致尺寸甚至很有限的便携存储介质，如存储卡，可以存储相当数量的音频信息的事实。因此，用于这种存储介质的便携播放设备已经可以得到。例如，用于以MP3格式的音频文件的便携播放设备可能被论及。
美国5,841,979公布了一种用于数字化且压缩的音频文件的接收、存储、D/A转换和播放的便携式数字音频存储和播放设备。该压缩音频文件能以至少两倍于正常可闻播放速率的传输速率被接收。从美国5,914,941了解到一种类似的设备，它提到节目素材可以通过可拆卸的数字数据存储盒式磁带，或通过从有线电视或类似源的电子数据传输得到。
然而，这些设备被设计成专门用于音频信息的播放。许多用户有一种对这些设备不能实现的另外的功能的需求，因而，为了使他们的需求可以被实现这些用户不得不携带另外的设备。
例如，从WO99/03294也可知，在音频设备和以无线电话形式的通信设备之间共享共同的头戴式耳机，以致于当电话被激活时头戴式耳机被用于电话交谈，而当电话未被激活时头戴式耳机转换到音频设备。该音频设备和电话也可以共享公共外壳作为单个设备，这比分别携带两种单独的设备要轻和容易。这种音频设备要么是用于公共音频广播节目的接收器，要么是光盘播放器或者是盒式磁带播放器。
因而，这种已知的设备给用户使用同一设备与对话伙伴通信或听诸如音乐的音频信号的可能性。然而，许多用户常常想能够在如电话交谈期间听到音频信号并能够允许对话伙伴同时或至少几乎同时听到同样的音频信号，或者他们仅仅想与其他人共享收听而不进行对话。如今共享音频收听仅能从听觉上做到，即音频信号被音频扬声器重现并且声音被耦合到电话的麦克风，以及因此作为语音交谈信号的一部分被发送到另一个人。
因此，本发明的一个目的就是提供一种上述种类的通信方法，允许出现在不同地方的两个人同时或至少几乎同时听到同样的音频信号。
按照本发明，这是这样完成的，即该方法包括在第一通信设备中播放音频信号，发送同样的音频信号到该另一通信设备以及在该另一通信设备中播放所述音频信号的步骤。
通过将在第一通信设备中播放的音频信号发送到该另一设备并在那里播放它们，可完成共享音频收听并且以这种方式通信设备也可被用来共享收听例如音乐。
虽然该方法可供任一种通信设备使用，但当第一通信设备是移动电话且至少另一通信设备是电话时，在权利要求2和3中声明的有利
实施方案被完成。
如权利要求4中声明的，当该方法进一步包括以下步骤，即：通过网络在移动电话和该另一电话之间建立连接，通过网络连接中的信道发送语音信号来建立电话对话，以及通过网络中的连接将来自移动电话的所述音频信号发送到该另一电话，即使用一种为语音对话信号传输而建立的连接来传输音频信号时，一种在其中可以从第一通信设备即移动电话控制音频信号的传输并在该另一电话中播放的方案已得到。
如权利要求5中声明的，当该方法进一步包括混合语音信号和音频信号，通过网络连接中的公共信道将来自移动电话的混合语音和音频信号发送到该另一电话的步骤时，一种在其中不需要用于音频信号的额外传输容量的方案已得到。该公共信道可以是一种如权利要求6中声明的正常电话语音信道，或者它可以是一种如权利要求7中声明的数据信道。
可选择地，如权利要求8中声明的，该方法可以包括通过网络连接中的正常电话语音信道发送语音信号，和通过一种平行于网络连接中的语音信道的数据信道将来自移动电话的音频信号发送到该另一电话的步骤。这些允许在发送时对音频信号与语音对话信号区别对待，因而优化了这两类信号的传输。
在另外的实施方案中，如权利要求9中声明的，该方法进一步包括通过网络在移动电话和该另一电话之间建立一个连接，通过网络连接中的信道发送语音信号来建立电话对话，经网络将来自服务提供者的音频信号发送到移动电话，及经网络将来自服务提供者的同样音频信号发送到该另一电话的步骤。在这种方式中在两个电话之间不需要发送额外的信号。
在本发明的有利实施方案中，如权利要求10中声明的，音频信号以一种数字化且压缩的音频文件的形式被发送。在数据信道被用于音频信号发送的情况下本实施方案极大地减少所需的传输容量。如权利要求11中声明的，数字化且压缩的音频文件被压缩成MP3格式，MP3格式被广泛使用且是一种高效的压缩格式。
如所提及的，本发明进一步涉及一种包括第一通信设备和至少另一通信设备的通信系统。如权利要求12中声明的，当该系统适合于在第一通信设备中播放音频信号，发送同样的音频信号到该另一通信设备，并在该另一通信设备中播放所述音频信号时，一种拥有前述该方法的同样优点的系统完成了。
如所提及，本发明进一步涉及一种适合于用在一种包括至少另一通信设备的通信系统中的通信设备。如权利要求13中声明的，当该设备包括用于播放音频信号的装置，和用于启动发送同样的音频信号到该另一通信设备的装置，以致于音频信号可以在该另一通信设备中播放时，一种提供上述优点的设备得到了。
如权利要求14中声明的，该通信设备可以是移动电话，在权利要求15中声明的优选实施方案中，该移动电话适合用于公共网络，如GSM、GPRS、EDGE或WCDMA。
可以选择地，如权利要求16中声明的，该通信设备适合用于无线短链路，如蓝牙或红外连接。
虽然用于播放音频信号的装置也可以是一个可连接到通信设备的单独的设备，如盒式磁带播放器或类似设备，如权利要求17中声明的，当用于播放音频信号的装置是一种与通信设备一体化的音频设备时，一种优选实施方案得到了。
如所提及的，该发明进一步涉及一种随同一个适合用在包括至少另一通信设备的通信系统中的第一通信设备使用的附加设备。如权利要求18中声明的，当附加设备包括用于通过第一通信设备播放音频信号的装置，和用于启动传输同样的音频信号到该另一通信设备的装置，以致于所述音频信号可以在该另一通信设备中播放时，一种与第一通信设备组合提供上述优点的设备完成了。
参考附图，下面将详细描述本发明，其中
图1说明了蜂窝电话如何也用于音频播放的一个例子，
图2说明了蜂窝电话如何也用于音频播放的另一个例子，
图3说明了共享音频收听的第一实施方案，
图4说明了共享音频收听的第二实施方案，
图5说明了通过电话连接到的网络的音频文件的下载；以及
图6说明了共享音频收听的第三实施方案。
图1说明了用于向蜂窝电话2提供便携式免提和高保真音频立体声播放组合的系统1的一个例子。在该例子中，电话2是GSM电话，通过它的内置天线它与连接到GSM网络14的GSM基站16通信。该图示出还有另外的连接到网络14的基站(如基站17)和其它GSM电话(诸如电话18)。因此，电话2可以像任何另外的正常GSM电话一样用于与其它电话的双向通信。
在该图中附加设备以插入设备8的形式被电连接到电话2的底部。声音重现单元以头戴式耳机10的形式被连接到附加设备8，但它也可以直接连接到电话2。进一步，设备8有一个用于插入便携式存储介质的插槽，所述存储介质是以例如按MP3格式存储数字化且压缩的音频文件的存储卡或多媒体卡7的形式。附加设备8适于解压或解码被压缩的音频文件并通过头戴式耳机10播放产生的音频信号。
应当指出附加设备8的功能也可以与移动电话2一体化以致于一个单个的设备既包括电话又包括上述和下述的功能。
如果音频内容(如音乐)在头戴式耳机中播放并且一个呼入出现，音频播放将暂停或变柔和，即声级减小，同时交谈将继续进行。在交谈中接收到的语音信号现在被重现到在呼叫前被用于播放存储在卡7中的音频文件的头戴式耳机中。当交谈结束，音频播放再继续。
附加设备8也由控制和监控电子设备组成，但它没有人机界面(MMI)，因为这部分由电话(显示和键盘)通过例如使用所谓的动态菜单处理。电话2与附加设备8在串行链路上有一个活动的通信。附加设备8可以驱动大多数市场上的高保真头戴式耳机，并且它也允许麦克风信号的上行链路话音通路以及话音从GSM网络到头戴式耳机下行链路的路由。
正如提及的，MP3音频文件经如插在附加设备8的插槽中的多媒体卡被送到附加设备8。一个如今的MMC可以有32兆字节闪存，它相当于大约30分钟的高保真音乐或几个小时的高质量话音音频。
该图也说明了如何使压缩音频文件到达卡7。一个属于压缩音频文件服务提供者的专用服务器13被连接到因特网12，且音频内容经适度快的有线链路从因特网下载到个人计算机3。使用在个人计算机屏幕上正常的拖放式操纵经适配器6它被从个人计算机3移交给卡7。可选择地，内容可以被自动地从网络发送到卡。该个人计算机经一个正常的调制解调器或更快的以太网线路连接到因特网。
压缩音频文件也可在个人计算机上产生而不必从因特网上下载。如图所示，光盘4可以被插入计算机中的插槽，通过专用软件MP3内容可以在个人计算机3中从CD格式转换得到。这个过程也叫“裂开(ripping)”。
适配器6是市场上的任何一款MMC适配器并且它通过RS-232端口、磁盘端口、PC卡端口、并口或USB端口连接到个人计算机。
在该例子中电话和相应的网络是GSM型，但当然另外的任何蜂窝系统(如CDMA)也可以使用。
图2示出了使得音频信息到电话2或附加设备8的可选择的方式。为了接收如MP3格式的数字化且压缩的音频文件，用于如蓝牙或红外的无线短链路的接收器2 3被连接到电话2。如以大小为32兆字节闪存的形式、在其上存储数字化且压缩的音频文件的存储介质将被内置于或可拆卸地连接到设备8。音频文件以图1所示的同样的方式下载到个人计算机3，但在个人计算机屏幕上使用正常拖放式操纵将音频内容从计算机传递到无线短链路发送器20。可选择地，内容可以自动地从网络传递且传递到发送器。个人计算机经一个正常调制解调器或更快的以太网线路被连接到因特网。
应当提及代替发射器20与接收器23之间的无线短链路通信，经有线的通信也可以被使用。
作为将数字化且压缩的音频文件存储在内置或可拆卸存储介质中的可选择方案，该音频内容可以“流下(streamed down)”，意思是音频信号被连续接收、解压和播放。在这种情形下不需要存储器。
图2的以上没有描述部分与图1的那些部分相同。
图1和图2已经说明移动电话2如何也可以被用于播放音频信号以致于用户可以在电话呼叫之间或在电话呼叫期间在背景中听例如音乐。然而，许多用户也想能够与他们的交谈伙伴在电话呼叫期间分享音频收听或者仅仅与其他人分享收听而不进行交谈。
图3说明了这些如何实现的例子。用户25与另一个人26进行电话交谈。移动电话2和附加设备8对应于图1和图2中的那些部分，被另一个人26使用的电话27可以是任何类型的电话、移动电话或不是。连接2个电话2和27的网络28代表图1和图2中的GSM网络14(包括基站16和17)，但它也可以是被连接到一起的几个不同网络的组合，如果电话27的类型不同于电话2的类型则可能出现这种情况。
在附加设备8中的音频播放单元29如上述的产生音频信号。附加设备8还包括两个混合器30和31。混合器30确保将接收自另一电话27的语音交谈信号与来自音频播放单元29的音频信号混合，以致于用户25可以同时听到这两种信号。另一方面，混合器31将来自音频播放单元29的音频信号与来自用户25的语音交谈信号组合，且组合信号而不单单是语音交谈信号被送到移动电话2。在移动电话2中组合信号照例经过语音编解码器并作为正常交谈信号经网络28发送到另一电话27，在其中为另外的人26重现。因而比人既能够听到来自用户25的语音信号又可以听到来自音频播放单元29的音频信号。这种方案的优点是在网络中不需要额外的传输容量，没有任何调整就可使用。事实上，混合器31仅仅是为了提供共享音频收听的便利而需要的附加部件。
图4示出了一个可选择的方案。代替在混合器31混合音频信号和语音交谈信号，来自音频播放单元29的音频信号被置于平行于正常语音信道的单独数据信道上通过网络发送到另一电话27。在电话27或被连接到它的附加设备32中数据信道和语音信道被混合器33组合，以致于人26可以听到两种信号。在这种情况下音频信号以数字化形式被发送并且这些开起了还在发送前压缩音频数据的可能性。这样显著地减少了所需的传输容量。这样附加设备32或电话27必须包括在压缩数据与语音信号在混合器33中混合之前解压或解码该压缩数据的装置。这些装置例如可以类似于附加设备8中的音频播放单元29。一种合适的压缩格式是MP3。应当指出的是在这种方案中语音信道可选择地去掉并且语音像数据一样发送。该方案也可用于甚至没有语音交谈发生，即两个人只是听同样的音频信号而没有一起交谈的情形。
对于图1和图2的替代示于图5中。取代通过个人计算机得到音频文件，已经被蜂窝电话2用于标准双向通信的无线公共网络(即示于例子中的GSM网络)也被用于音频文件到电话的传递。因此网络既可被用于数字实时语音交谈也可用于因特网非实时音频信号(音乐、新闻、天气、书等)的下载。通过GSM网络(或其它类型的蜂窝网络)下载的音频文件可以来自连接到因特网12的专用服务器13，如上所述，或者它们可以来自直接连接到GSM网络的WAP服务器。在后一种情况下电话必须支持WAP。
还是在这种情况下，数字化且压缩的音频文件可以存储在存储器中用于随后的解压和播放，或者它们可以是如上所述的“流下”
该方案优选地供提供相对高数据传输速率的网络使用。公共无线网络中的较快链路的带宽允许甚至高保真音乐在合理的时间内被下载。例如，MP3文件需要128kbps。EDGE提供相应于每道60秒的384kbps，而WCDMA提供相应于光盘的每道120秒的2Mbps。在线收听即“流式(streaming)”将是可能的。这些将提供真正的移动“按需求”服务。
当如图5所示音频信号通过网络从服务器下载音频信号到移动电话时，共享音频收听的不同的实施方案是可能的。该实施方案示于图6，可以看到服务器35下载同样的音频信号到两个电话2和27。用户25启动下载并且他命令服务器下载同样的数据到另一电话。在这种情况下附加设备8不发送音频信号回到电话2但仅通过混合器30发到用户25。虽然没有示出，但附加设备32将有类似于音频播放单元29的音频播放装置。从服务器35发送来的音频信号将被典型地压缩，且合适的压缩格式又是MP3。应当指出也是在此方案中语音信道可选择地去掉并且语音象数据一样发送。该方案也可用于甚至没有语音交谈发生，即两个人只是听同样的音频信号而没有一起交谈的情形。
最后，应当指出尽管上述例子中提到的发送音频文件到另一电话27是通过电话连接到的公共网进行，但一种不同的发送路径也可以被使用。图5显示一个GSM电话2经蓝牙链接与另一电话21通信的例子。这就意味着音频文件通过因特网和GSM网络下载到电话2且该音频文件然后经蓝牙链接从电话2再发送到电话21。
虽然本发明的优选实施方案已进行了描述和图示，但本发明不限于此，而也可以以在下列权利要求中定义的主题范围内的其它方式实现。

Claims (18)

1.一种使用第一通信设备(2)和至少另一通信设备(27)的方法，其特征在于该方法包括步骤：
·在所述第一通信设备(2)中播放音频信号；
·发送同样的音频信号到该另一通信设备(27)；以及
·在该另一通信设备(27)中播放所述音频信号。
2.按照权利要求1的方法，其特征在于所述第一通信设备(2)是移动电话。
3.按照权利要求2的方法，其特征在于该至少另一通信设备(27)是电话。
4.按照权利要求3的方法，其特征在于它进一步包括步骤：
·通过网络(28)在移动电话(2)和该另一电话(27)之间建立连接；
·通过网络(28)连接中的信道发送语音信号而建立电话对话；以及
·通过网络中的连接将来自移动电话(2)的所述音频信号发送到该另一电话(27)。
5.按照权利要求4的方法，其特征在于它进一步包括步骤：
·混合所述语音信号和所述音频信号；以及
·通过网络(28)连接中的公共信道将来自移动电话(2)的混合语音和音频信号发送到该另一电话(27)。
6.按照权利要求5的方法，其特征在于该公共信道是正常电话语音信道。
7.按照权利要求5的方法，其特征在于该公共信道是数据信道。
8.按照权利要求4的方法，其特征在于它进一步包括步骤：
通过网络(28)连接中的正常电话语音信道发送语音信号；以及
通过平行于网络连接中的所述语音信道的数据信道将来自移动电话(2)的所述音频信号发送到该另一电话(27)。
9.按照权利要求3的方法，其特征在于它进一步包括步骤：
通过网络在移动电话(2)和该另一电话(27)之间建立连接；
通过连接到网络(28)的信道发送语音信号而建立电话对话；
经网络(28)将来自服务提供者(35)的所述音频信号发送到移动电话(2)；以及
经网络将来自服务提供者的同样的音频信号发送到该另一电话(27)。
10.按照权利要求7-9的任何一种的方法，其特征在于所述音频信号以数字化且压缩的音频文件的形式发送。
11.按照权利要求10的方法，其特征在于数字化且压缩的音频文件被压缩成MP3格式。
12.一种包括第一通信设备(2)和至少另一通信设备(27)的通信系统，其特征在于该系统适合于：
在所述第一通信设备(2)中播放音频信号；
发送同样的音频信号到该另一通信设备(27)；以及
在该另一通信设备(27)中播放所述音频信号。
13.一种适合于用在包括至少另一通信设备(27)的通信系统中的通信设备(2)，其特征在于它包括：
用于播放音频信号的装置(29)；以及
用于启动传输同样的音频信号到该另一通信设备的装置(8)，以致于所述音频信号可以在该另一通信设备中播放。
14.按照权利要求13的通信设备，其特征在于通信设备(2)是移动电话。
15.按照权利要求14的通信设备，其特征在于移动电话适合于用在公共网络，如GSM、GPRS、EDGE或WCDMA中。
16.按照权利要求13的通信设备，其特征在于通信设备适合于用在无线短链路，如蓝牙或红外连接中。
17.按照权利要求13-16的任何一种的通信设备，其特征在于用于播放音频信号的装置是与通信设备一体化的一个音频设备。
18.一种随同一个适合用在包括至少另一通信设备(27)的通信系统中的第一通信设备(2)使用的附加设备(8)，其特征在于它包括：
用于通过第一通信设备(2)播放音频信号的装置(29)；以及
用于启动传输同样的音频信号到该另一通信设备(27)的装置，以致于所述音频信号可以在该另一通信设备(27)中播放。
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