WO2012016497A1 - Method and device for playing audio signal - Google Patents

Method and device for playing audio signal Download PDF

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Publication number
WO2012016497A1
WO2012016497A1 PCT/CN2011/077712 CN2011077712W WO2012016497A1 WO 2012016497 A1 WO2012016497 A1 WO 2012016497A1 CN 2011077712 W CN2011077712 W CN 2011077712W WO 2012016497 A1 WO2012016497 A1 WO 2012016497A1
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WO
WIPO (PCT)
Prior art keywords
audio signal
rssi
address information
media stream
playing
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Application number
PCT/CN2011/077712
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French (fr)
Chinese (zh)
Inventor
李洪玺
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华为终端有限公司
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Publication of WO2012016497A1 publication Critical patent/WO2012016497A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/26Arrangements for switching distribution systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management

Definitions

  • TECHNICAL FIELD Embodiments of the present invention relate to communication technologies, and in particular, to a method and an apparatus for playing an audio signal.
  • Background Art As mobile terminals continue to evolve, integrated broadcast functions are made possible. The mobile terminal acquires a wireless broadcast signal through the integrated FM chip, and plays an audio signal converted according to the above wireless broadcast signal.
  • the embodiment of the invention provides a method and a device for playing an audio signal, which are used to expand the range of the audio signal corresponding to the broadcast program of the mobile terminal, and ensure the normal operation of the broadcast service of the mobile terminal.
  • An embodiment of the present invention provides a method for playing an audio signal, including:
  • the embodiment of the invention further provides an audio signal playing device, including:
  • a first playing module configured to play a first audio signal converted according to the wireless broadcast signal
  • an address obtaining module configured to acquire a frequency band of the wireless broadcast signal when the received signal field strength indication RSSI is less than a preset first threshold
  • the second broadcast module is configured to play a second audio signal converted according to the media stream, where the media stream is according to the Address information is obtained.
  • the method corresponding to the frequency band information of the wireless broadcast signal is obtained.
  • the address information so that the mobile terminal can play the second audio signal converted according to the acquired media stream corresponding to the address information, thereby expanding the audio signal (the first audio signal or the second audio signal) corresponding to the mobile terminal being able to play the broadcast program.
  • the scope of the transmission guarantees the normal operation of the mobile terminal's broadcasting service.
  • FIG. 1 is a schematic flowchart of a method for playing an audio signal according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic flowchart of a method for playing an audio signal according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 4 of the present invention.
  • the purpose of the present invention is to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the technical solutions in the embodiments of the present invention are clearly and completely described.
  • the described embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • 1 is a schematic flowchart of a method for playing an audio signal according to Embodiment 1 of the present invention. As shown in FIG.
  • the method for playing an audio signal in this embodiment may include the following steps: Step 101: A mobile terminal plays a video according to a radio broadcast signal. The first audio signal is obtained. Step 102: The mobile terminal acquires address information corresponding to the frequency band information of the wireless broadcast signal when the Received Signal Strength Indicator (RSSI) is less than a preset first threshold. The address information is a network address, and the corresponding media stream can be obtained according to the network address. Step 103: The mobile terminal plays a second audio signal converted according to the media stream, where the media stream is acquired according to the address information.
  • the first audio signal or the second audio signal may be an FM mobile audio signal, or may be an amplitude modulated (AM) audio signal.
  • the method for playing the audio signal of the embodiment may further include the step of setting a mapping relationship between the frequency band information and the address information in advance, so that the mobile terminal in the above step 102 can acquire the address information corresponding to the frequency band information of the wireless broadcast signal.
  • the mapping relationship between the foregoing frequency band information and the address information may be as shown in Table 1.
  • Table 1 Mapping relationship between frequency band information and address information Address information corresponding to frequency band information
  • the foregoing step 103 of the embodiment may further include pre-cached the obtained media stream corresponding to the address information, so that the mobile terminal can be used as a mobile terminal.
  • the RSSI is smaller than the preset second threshold
  • the second audio signal converted according to the buffered media stream is immediately played.
  • the mobile terminal may further resume playing the first audio signal converted according to the wireless broadcast signal when the RSSI is greater than a preset first threshold.
  • the mobile terminal may specifically learn the value of the RSSI register, RSSI, by polling the RSSI register.
  • the mobile terminal plays the first audio signal converted according to the acquired wireless broadcast signal
  • the RSSI is less than the preset first threshold
  • the address information corresponding to the frequency band information of the wireless broadcast signal is acquired, thereby Enabling the mobile terminal to play a second audio signal converted according to the acquired media stream corresponding to the address information, thereby expanding a range in which the mobile terminal can play an audio signal (a first audio signal or a second audio signal) corresponding to the broadcast program, The normal operation of the broadcast service of the mobile terminal is guaranteed.
  • Step 201 The mobile terminal plays the first audio signal converted according to the obtained wireless broadcast signal.
  • the mobile terminal may convert the acquired wireless broadcast signal to generate a first audio signal, and then the first audio signal may be played.
  • the audio output path (ie, the speaker) of the mobile terminal is connected to the FM/AM chip, and the radio broadcast signal corresponding to the broadcast program is acquired and converted by the FM/AM chip.
  • Step 202 The mobile terminal polls the RSSI register to learn the value of the RSSI register, and the value of the RSSI register is RSSI.
  • the RSSI register can be set on the FM/AM chip.
  • Step 203 When the RSSI is less than 30, the mobile terminal acquires address information corresponding to the frequency band information of the wireless broadcast signal according to the mapping relationship between the preset frequency band information and the address information.
  • Step 204 The mobile terminal caches the obtained address information.
  • Step 205 The mobile terminal plays the second audio signal converted according to the buffered media stream when the RSSI is less than 10; in this step, the audio output channel (ie, the speaker) of the mobile terminal is switched to play with the streaming media.
  • the module is connected, and the media stream corresponding to the broadcast program is acquired and converted by the streaming media playing module.
  • Step 206 When the RSSI is greater than 30, the mobile terminal stops buffering the obtained media stream corresponding to the address information, and continues to play the first audio signal converted according to the acquired wireless broadcast signal. In this step, the audio output path (ie, the speaker) of the mobile terminal is switched back to the FM/AM chip, and the radio broadcast signal corresponding to the broadcast program is acquired and converted by the FM/AM chip. In this embodiment, if the user needs to stop the mobile terminal from converting the acquired wireless broadcast signal, that is, before shutting down, it is necessary to stop polling the RSSI register to avoid waste of resources.
  • the mobile terminal plays the first audio signal converted according to the acquired wireless broadcast signal
  • the RSSI is less than 30
  • the address information corresponding to the frequency band information of the wireless broadcast signal is acquired, thereby enabling the mobile terminal to Playing a second audio signal converted according to the acquired media stream corresponding to the address information, expanding a range in which the mobile terminal can play an audio signal (a first audio signal or a second audio signal) corresponding to the broadcast program, and ensuring that the mobile terminal broadcasts The business is going on normally.
  • FIG. 3 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 3 of the present invention.
  • the apparatus for playing an audio signal in this embodiment may include a first play module 31, an address obtaining module 32, and a second play. Module 33.
  • the first playing module 31 plays the first audio signal converted according to the wireless broadcast signal
  • the address obtaining module 32 acquires the address information corresponding to the frequency band information of the wireless broadcast signal when the RSSI is less than the preset first threshold.
  • the playing module 33 plays a second audio signal converted according to the media stream, and the media stream is acquired according to the address information.
  • the functions of the mobile terminal in the first embodiment and the second embodiment of the present invention can be implemented by the audio signal playing device provided by the embodiment of the present invention.
  • the address obtaining module acquires the frequency band information corresponding to the wireless broadcast signal.
  • the address information so that the second playing module can play the second audio signal converted according to the acquired media stream corresponding to the address information, thereby expanding the audio signal (first audio signal or second) that the mobile terminal can play the broadcast program.
  • the range of the audio signal ensures the normal operation of the mobile terminal's broadcast service.
  • the playback device of the audio signal of the embodiment may further include a setting module 34, configured to preset a mapping relationship between the frequency band information and the address information, so that the address obtaining module 32 acquires the frequency band information corresponding to the wireless broadcast signal.
  • Address information. 4 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 4 of the present invention.
  • the second playback module 33 in the apparatus for playing audio signals of the present embodiment may specifically include a buffer unit 41 and a playback unit. 42.
  • the buffer unit 41 caches the obtained media stream corresponding to the address information, and the playing unit 42 plays the second audio signal converted according to the buffered media stream when the RSSI is less than a preset second threshold.
  • the buffer unit first caches the obtained media stream corresponding to the address information, when the RSSI is less than a preset second threshold.
  • the playback unit then plays the second audio signal converted according to the buffered media stream, thereby improving the continuity of the played audio signal. Further, since the acquisition of the media stream generates a certain amount of network traffic, when the RSSI is greater than the preset The first playing module 31 may further continue to play the first audio signal converted according to the wireless broadcast signal.
  • the playing device of the audio signal of this embodiment may further include an information polling module 35 for polling the RSSI register to learn the value of the RSSI register, and the value of the RSSI register is RSSI, so that when the RSSI satisfies different thresholds When the condition is met, the corresponding function module or unit is triggered.
  • an information polling module 35 for polling the RSSI register to learn the value of the RSSI register, and the value of the RSSI register is RSSI, so that when the RSSI satisfies different thresholds When the condition is met, the corresponding function module or unit is triggered.
  • the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)

Abstract

Embodiments of the present invention provide a method and a device for playing an audio signal. The method comprises: playing a first audio signal converted according to a radio broadcast signal; when a received signal strength indicator (RSSI) is smaller than a preset first threshold value, obtaining address information corresponding to frequency band information of the radio broadcast signal; and playing a second audio signal converted according to a media stream, wherein the media stream is obtained according to the address information. In the present invention, when a mobile terminal plays the first audio signal converted according to the obtained radio broadcast signal, if the RSSI is smaller than the preset first threshold value, the address information corresponding to the frequency band information of the radio broadcast signal is obtained, so that the mobile terminal can play the second audio signal converted according to the obtained media stream corresponding to the address information, thereby enlarging the range in which the mobile terminal can play an audio signal corresponding to a broadcasted program, and ensuring normal operation of broadcasting services of the mobile terminal.

Description

音频信号的播放方法及装置 本申请要求于 2010年 08月 05日提交中国专利局、 申请号为 201010248942. 3、 发 明名称为 "音频信号的播放方法及装置"的中国专利申请的优先权, 其全部内容通过引 用结合在本申请中。 技术领域 本发明实施例涉及通信技术, 尤其涉及一种音频信号的播放方法及装置。 背景技术 随着移动终端不断地发展, 使得集成广播功能成为可能。 移动终端通过集成的 FM 芯片获取无线广播信号, 播放根据上述无线广播信号转换的音频信号。  The present invention claims the priority of the Chinese Patent Application entitled "Audio Signal Play Method and Apparatus", which is filed on August 5, 2010, in the Chinese Patent Office, Application No. 201010248942. The entire contents are incorporated herein by reference. TECHNICAL FIELD Embodiments of the present invention relate to communication technologies, and in particular, to a method and an apparatus for playing an audio signal. Background Art As mobile terminals continue to evolve, integrated broadcast functions are made possible. The mobile terminal acquires a wireless broadcast signal through the integrated FM chip, and plays an audio signal converted according to the above wireless broadcast signal.
由于无线广播基站的设置数量相对较少,其发射的无线广播信号的范围一般只能够 覆盖城市和部分乡镇, 无法覆盖野外和高公路, 而且地平面以下的封闭空间中, 无线广 播信号也是无法到达的, 从而限制了移动终端能够播放广播节目对应的音频信号的范 围, 影响了移动终端广播业务的正常进行。 发明内容  Since the number of radio broadcast base stations is relatively small, the range of radio broadcast signals transmitted by them can only cover cities and some towns and towns, and cannot cover the field and high highways. In the enclosed space below the ground level, wireless broadcast signals cannot be reached. Therefore, the range in which the mobile terminal can play the audio signal corresponding to the broadcast program is limited, which affects the normal progress of the broadcast service of the mobile terminal. Summary of the invention
本发明实施例提供一种音频信号的播放方法及装置,用以扩大移动终端能够播放广 播节目对应的音频信号的范围, 保证了移动终端广播业务的正常进行。  The embodiment of the invention provides a method and a device for playing an audio signal, which are used to expand the range of the audio signal corresponding to the broadcast program of the mobile terminal, and ensure the normal operation of the broadcast service of the mobile terminal.
本发明实施例提供了一种音频信号的播放方法, 包括:  An embodiment of the present invention provides a method for playing an audio signal, including:
播放根据无线广播信号转换的第一音频信号; 当接收信号场强指示 RSSI 小于预先设置的第一阈值时, 获取与所述无线广播信号 的频段信息对应的地址信息; 播放根据媒体流转换的第二音频信号, 所述媒体流为根据所述地址信息获取。 本发明实施例还提供了一种音频信号的播放装置, 包括:  Playing a first audio signal converted according to the wireless broadcast signal; acquiring, when the received signal field strength indication RSSI is less than a preset first threshold, address information corresponding to the frequency band information of the wireless broadcast signal; playing the first according to the media stream conversion a second audio signal, the media stream being acquired according to the address information. The embodiment of the invention further provides an audio signal playing device, including:
第一播放模块, 用于播放根据无线广播信号转换的第一音频信号; 地址获取模块, 用于当接收信号场强指示 RSSI 小于预先设置的第一阈值时, 获取 与所述无线广播信号的频段信息对应的地址信息; 第二播放模块, 用于播放根据媒体流转换的第二音频信号, 所述媒体流为根据所述 地址信息获取。 a first playing module, configured to play a first audio signal converted according to the wireless broadcast signal; and an address obtaining module, configured to acquire a frequency band of the wireless broadcast signal when the received signal field strength indication RSSI is less than a preset first threshold The second broadcast module is configured to play a second audio signal converted according to the media stream, where the media stream is according to the Address information is obtained.
由上述技术方案可知,本发明实施例通过移动终端播放根据无线广播信号转换的第 一音频信号的过程中, 当 RSSI小于预先设置的第一阈值时, 获取与上述无线广播信号的 频段信息对应的地址信息, 从而使得上述移动终端能够播放根据获取的与上述地址信息 对应的媒体流转换的第二音频信号,扩大了移动终端能够播放广播节目对应的音频信号 (第一音频信号或第二音频信号) 的范围, 保证了移动终端广播业务的正常进行。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实施例或现有 技术描述中所需要使用的附图作一简单地介绍, 显而易见地, 下面描述中的附图是本发 明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可 以根据这些附图获得其他的附图。  According to the foregoing technical solution, in the process of playing the first audio signal converted according to the wireless broadcast signal by the mobile terminal, when the RSSI is less than the preset first threshold, the method corresponding to the frequency band information of the wireless broadcast signal is obtained. The address information, so that the mobile terminal can play the second audio signal converted according to the acquired media stream corresponding to the address information, thereby expanding the audio signal (the first audio signal or the second audio signal) corresponding to the mobile terminal being able to play the broadcast program. The scope of the transmission guarantees the normal operation of the mobile terminal's broadcasting service. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.
图 1为本发明实施例一提供的音频信号的播放方法的流程示意图;  1 is a schematic flowchart of a method for playing an audio signal according to Embodiment 1 of the present invention;
图 2为本发明实施例二提供的音频信号的播放方法的流程示意图;  2 is a schematic flowchart of a method for playing an audio signal according to Embodiment 2 of the present invention;
图 3为本发明实施例三提供的音频信号的播放装置的结构示意图;  3 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 3 of the present invention;
图 4为本发明实施例四提供的音频信号的播放装置的结构示意图。 具体实肺式 为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本发明实施例中 的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例 是本发明一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域普通技 术人员在没有作出创造性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范 围。 图 1为本发明实施例一提供的音频信号的播放方法的流程示意图, 如图 1所示, 本 实施例的音频信号的播放方法可以包括以下步骤: 步骤 101、 移动终端播放根据无线广播信号转换的第一音频信号; 步骤 102、 上述移动终端当接收信号场强指示 (Received Signal Strength Indicator, 简称 RSSI ) 小于预先设置的第一阈值时, 获取与上述无线广播信号的频段 信息对应的地址信息; 其中, 上述地址信息为网络地址, 根据该网络地址就能获取对应的媒体流。 步骤 103、 上述移动终端播放根据媒体流转换的第二音频信号, 上述媒体流为根据 上述地址信息获取。 其中, 上述第一音频信号或第二音频信号可以为调频 鶴音频信号, 还可以为调 幅 (AM) 音频信号。 进一步地,本实施例的音频信号的播放方法还可以包括预先设置频段信息与地址信 息的映射关系的步骤, 以使上述步骤 102中移动终端能够获取与上述无线广播信号的频 段信息对应的地址信息。 其中, 上述频段信息与地址信息的映射关系可以如表 1所示。 表 1 频段信息与地址信息的映射关系 频段信息 对应的地址信息 FIG. 4 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 4 of the present invention. The purpose of the present invention is to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the technical solutions in the embodiments of the present invention are clearly and completely described. The described embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention. 1 is a schematic flowchart of a method for playing an audio signal according to Embodiment 1 of the present invention. As shown in FIG. 1, the method for playing an audio signal in this embodiment may include the following steps: Step 101: A mobile terminal plays a video according to a radio broadcast signal. The first audio signal is obtained. Step 102: The mobile terminal acquires address information corresponding to the frequency band information of the wireless broadcast signal when the Received Signal Strength Indicator (RSSI) is less than a preset first threshold. The address information is a network address, and the corresponding media stream can be obtained according to the network address. Step 103: The mobile terminal plays a second audio signal converted according to the media stream, where the media stream is acquired according to the address information. The first audio signal or the second audio signal may be an FM mobile audio signal, or may be an amplitude modulated (AM) audio signal. Further, the method for playing the audio signal of the embodiment may further include the step of setting a mapping relationship between the frequency band information and the address information in advance, so that the mobile terminal in the above step 102 can acquire the address information corresponding to the frequency band information of the wireless broadcast signal. The mapping relationship between the foregoing frequency band information and the address information may be as shown in Table 1. Table 1 Mapping relationship between frequency band information and address information Address information corresponding to frequency band information
FM91. 5Hz s \\fmradio. xxx. xxx\aaa. aaa  FM91. 5Hz s \\fmradio. xxx. xxx\aaa. aaa
FM 87. 6 Hz s \\fmradio. xxx. xxx\bbb. bbb  FM 87. 6 Hz s \\fmradio. xxx. xxx\bbb. bbb
FM 97. 4 Hz s \\fmradio. xxx. xxx\ccc. ccc  FM 97. 4 Hz s \\fmradio. xxx. xxx\ccc. ccc
FM 103. 9Hz s \\fmradio. xxx. xxx\ddd. ddd  FM 103. 9Hz s \\fmradio. xxx. xxx\ddd. ddd
AM 531Hz s \\fmradio. xxx. xxx\ddd. eee  AM 531Hz s \\fmradio. xxx. xxx\ddd. eee
AM 1602Hz s \\fmradio. xxx. xxx\ddd. f f f  AM 1602Hz s \\fmradio. xxx. xxx\ddd. f f f
进一步地, 为了提高移动终端播放第二音频信号的连续性和实时性, 本实施例的上 述步骤 103中, 还可以包括预先缓存获取的与上述地址信息对应的媒体流, 从而使得移 动终端可以当 RSSI 小于预先设置的第二阈值时, 立即播放根据缓存的上述媒体流转换 的第二音频信号。 进一步地, 移动终端还可以当 RSSI大于预先设置的第一阈值时, 继续播放根据无 线广播信号转换的第一音频信号。 本实施例中, 移动终端具体可以通过轮询 RSSI寄存器的方式, 获知 RSSI寄存器的 值 RSSI。 本实施例中, 移动终端播放根据获取的无线广播信号转换的第一音频信号的过程 中, 当 RSSI 小于预先设置的第一阈值时, 获取与上述无线广播信号的频段信息对应的 地址信息, 从而使得上述移动终端能够播放根据获取的与上述地址信息对应的媒体流转 换的第二音频信号, 扩大了移动终端能够播放广播节目对应的音频信号(第一音频信号 或第二音频信号) 的范围, 保证了移动终端广播业务的正常进行。  Further, in order to improve the continuity and real-time performance of the second audio signal played by the mobile terminal, the foregoing step 103 of the embodiment may further include pre-cached the obtained media stream corresponding to the address information, so that the mobile terminal can be used as a mobile terminal. When the RSSI is smaller than the preset second threshold, the second audio signal converted according to the buffered media stream is immediately played. Further, the mobile terminal may further resume playing the first audio signal converted according to the wireless broadcast signal when the RSSI is greater than a preset first threshold. In this embodiment, the mobile terminal may specifically learn the value of the RSSI register, RSSI, by polling the RSSI register. In this embodiment, when the mobile terminal plays the first audio signal converted according to the acquired wireless broadcast signal, when the RSSI is less than the preset first threshold, the address information corresponding to the frequency band information of the wireless broadcast signal is acquired, thereby Enabling the mobile terminal to play a second audio signal converted according to the acquired media stream corresponding to the address information, thereby expanding a range in which the mobile terminal can play an audio signal (a first audio signal or a second audio signal) corresponding to the broadcast program, The normal operation of the broadcast service of the mobile terminal is guaranteed.
图 2为本发明实施例二提供的音频信号的播放方法的流程示意图, 如图 2所示, 本 实施例的音频信号的播放方法可以包括以下步骤: 步骤 201、 移动终端播放根据获取的无线广播信号转换的第一音频信号; 本步骤中, 移动终端可以对获取的无线广播信号进行转换, 生成第一音频信号, 继 而可以播放该第一音频信号。 具体地, 移动终端的音频输出通路 (即扬声器) 与 FM/AM 芯片连接, 通过 FM/AM芯片获取并转换广播节目对应的无线广播信号。 步骤 202、移动终端轮询 RSSI寄存器, 获知 RSSI寄存器的值, 上述 RSSI寄存器的 值为 RSSI ; 其中, 上述 RSSI寄存器可以设置在 FM/AM芯片上。 步骤 203、 移动终端当 RSSI小于 30时, 根据预先设置的频段信息与地址信息的映 射关系, 获取与上述无线广播信号的频段信息对应的地址信息; 步骤 204、 移动终端缓存获取的与上述地址信息对应的媒体流; 步骤 205、 移动终端当 RSSI小于 10时, 播放根据缓存的上述媒体流转换的第二音 频信号; 本步骤中, 移动终端的音频输出通路 (即扬声器) 切换到与流媒体播放模块连接, 通过流媒体播放模块获取并转换广播节目对应的媒体流。 步骤 206、 移动终端当 RSSI大于 30时, 停止缓存获取的与上述地址信息对应的媒 体流, 继续播放根据获取的无线广播信号转换的第一音频信号。 本步骤中, 移动终端的音频输出通路 (即扬声器) 重新切换到与 FM/AM芯片连接, 通过 FM/AM芯片获取并转换广播节目对应的无线广播信号。 本实施例中, 若用户需要停止移动终端对获取的无线广播信号进行转换即关机之 前, 需要停止轮询 RSSI寄存器, 避免资源的浪费。 本实施例中, 移动终端播放根据获取的无线广播信号转换的第一音频信号的过程 中, 当 RSSI小于 30时, 获取与上述无线广播信号的频段信息对应的地址信息, 从而使 得上述移动终端能够播放根据获取的与上述地址信息对应的媒体流转换的第二音频信 号,扩大了移动终端能够播放广播节目对应的音频信号(第一音频信号或第二音频信号) 的范围, 保证了移动终端广播业务的正常进行。 2 is a schematic flowchart of a method for playing an audio signal according to Embodiment 2 of the present invention. As shown in FIG. 2, the method for playing an audio signal in this embodiment may include the following steps: Step 201: The mobile terminal plays the first audio signal converted according to the obtained wireless broadcast signal. In this step, the mobile terminal may convert the acquired wireless broadcast signal to generate a first audio signal, and then the first audio signal may be played. Specifically, the audio output path (ie, the speaker) of the mobile terminal is connected to the FM/AM chip, and the radio broadcast signal corresponding to the broadcast program is acquired and converted by the FM/AM chip. Step 202: The mobile terminal polls the RSSI register to learn the value of the RSSI register, and the value of the RSSI register is RSSI. The RSSI register can be set on the FM/AM chip. Step 203: When the RSSI is less than 30, the mobile terminal acquires address information corresponding to the frequency band information of the wireless broadcast signal according to the mapping relationship between the preset frequency band information and the address information. Step 204: The mobile terminal caches the obtained address information. Corresponding media stream; Step 205: The mobile terminal plays the second audio signal converted according to the buffered media stream when the RSSI is less than 10; in this step, the audio output channel (ie, the speaker) of the mobile terminal is switched to play with the streaming media. The module is connected, and the media stream corresponding to the broadcast program is acquired and converted by the streaming media playing module. Step 206: When the RSSI is greater than 30, the mobile terminal stops buffering the obtained media stream corresponding to the address information, and continues to play the first audio signal converted according to the acquired wireless broadcast signal. In this step, the audio output path (ie, the speaker) of the mobile terminal is switched back to the FM/AM chip, and the radio broadcast signal corresponding to the broadcast program is acquired and converted by the FM/AM chip. In this embodiment, if the user needs to stop the mobile terminal from converting the acquired wireless broadcast signal, that is, before shutting down, it is necessary to stop polling the RSSI register to avoid waste of resources. In this embodiment, when the mobile terminal plays the first audio signal converted according to the acquired wireless broadcast signal, when the RSSI is less than 30, the address information corresponding to the frequency band information of the wireless broadcast signal is acquired, thereby enabling the mobile terminal to Playing a second audio signal converted according to the acquired media stream corresponding to the address information, expanding a range in which the mobile terminal can play an audio signal (a first audio signal or a second audio signal) corresponding to the broadcast program, and ensuring that the mobile terminal broadcasts The business is going on normally.
需要说明的是: 对于前述的各方法实施例, 为了简单描述, 故将其都表述为一系列 的动作组合, 但是本领域技术人员应该知悉, 本发明并不受所描述的动作顺序的限制, 因为依据本发明, 某些步骤可以采用其他顺序或者同时进行。 其次, 本领域技术人员也 应该知悉, 说明书中所描述的实施例均属于优选实施例, 所涉及的动作和模块并不一定 是本发明所必须的。 It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence. Because certain steps may be performed in other sequences or concurrently in accordance with the present invention. Second, the person skilled in the art also It should be understood that the embodiments described in the specification are all preferred embodiments and that the acts and modules involved are not necessarily essential to the invention.
在上述实施例中,对各个实施例的描述都各有侧重,某个实施例中没有详述的部分, 可以参见其他实施例的相关描述。  In the above embodiments, the descriptions of the various embodiments are different, and the parts that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.
图 3为本发明实施例三提供的音频信号的播放装置的结构示意图, 如图 3所示, 本 实施例的音频信号的播放装置可以包括第一播放模块 31、 地址获取模块 32和第二播放 模块 33。 其中, 第一播放模块 31播放根据无线广播信号转换的第一音频信号, 地址获 取模块 32当 RSSI小于预先设置的第一阈值时,获取与上述无线广播信号的频段信息对 应的地址信息, 第二播放模块 33播放根据媒体流转换的第二音频信号, 上述媒体流为 根据上述地址信息获取。 上述本发明实施例一、二中移动终端的功能均可以由本发明实施例提供的音频信号 的播放装置实现。  FIG. 3 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 3 of the present invention. As shown in FIG. 3, the apparatus for playing an audio signal in this embodiment may include a first play module 31, an address obtaining module 32, and a second play. Module 33. The first playing module 31 plays the first audio signal converted according to the wireless broadcast signal, and the address obtaining module 32 acquires the address information corresponding to the frequency band information of the wireless broadcast signal when the RSSI is less than the preset first threshold. The playing module 33 plays a second audio signal converted according to the media stream, and the media stream is acquired according to the address information. The functions of the mobile terminal in the first embodiment and the second embodiment of the present invention can be implemented by the audio signal playing device provided by the embodiment of the present invention.
本实施例中,第一播放模块播放根据获取的无线广播信号转换的第一音频信号的过 程中, 当 RSSI 小于预先设置的第一阈值时, 地址获取模块获取与上述无线广播信号的 频段信息对应的地址信息, 从而使得第二播放模块能够播放根据获取的与上述地址信息 对应的媒体流转换的第二音频信号,扩大了移动终端能够播放广播节目对应的音频信号 (第一音频信号或第二音频信号) 的范围, 保证了移动终端广播业务的正常进行。  In this embodiment, when the first playing module plays the first audio signal converted according to the acquired wireless broadcast signal, when the RSSI is less than the preset first threshold, the address obtaining module acquires the frequency band information corresponding to the wireless broadcast signal. The address information, so that the second playing module can play the second audio signal converted according to the acquired media stream corresponding to the address information, thereby expanding the audio signal (first audio signal or second) that the mobile terminal can play the broadcast program. The range of the audio signal) ensures the normal operation of the mobile terminal's broadcast service.
进一步地,本实施例的音频信号的播放装置还可以进一步包括设置模块 34,用于预 先设置频段信息与地址信息的映射关系, 以使地址获取模块 32获取与上述无线广播信 号的频段信息对应的地址信息。 图 4为本发明实施例四提供的音频信号的播放装置的结构示意图, 如图 4所示, 本 实施例的音频信号的播放装置中的第二播放模块 33具体可以包括缓存单元 41和播放单 元 42。 其中, 缓存单元 41缓存获取的与上述地址信息对应的媒体流, 播放单元 42当 RSSI小于预先设置的第二阈值时, 播放根据缓存的上述媒体流转换的第二音频信号。 本实施例中,在地址获取模块获取到与上述无线广播信号的频段信息对应的地址信 息之后, 缓存单元先缓存获取的与上述地址信息对应的媒体流, 当 RSSI 小于预先设置 的第二阈值时, 播放单元再播放根据缓存的上述媒体流转换的第二音频信号, 从而提高 了播放音频信号的连续性。 进一步地, 由于媒体流的获取会产生一定的网络流量, 所以当 RSSI大于预先设置 的第一阈值时, 第一播放模块 31还可以继续播放根据无线广播信号转换的第一音频信 号。 Further, the playback device of the audio signal of the embodiment may further include a setting module 34, configured to preset a mapping relationship between the frequency band information and the address information, so that the address obtaining module 32 acquires the frequency band information corresponding to the wireless broadcast signal. Address information. 4 is a schematic structural diagram of an apparatus for playing an audio signal according to Embodiment 4 of the present invention. As shown in FIG. 4, the second playback module 33 in the apparatus for playing audio signals of the present embodiment may specifically include a buffer unit 41 and a playback unit. 42. The buffer unit 41 caches the obtained media stream corresponding to the address information, and the playing unit 42 plays the second audio signal converted according to the buffered media stream when the RSSI is less than a preset second threshold. In this embodiment, after the address obtaining module obtains the address information corresponding to the frequency band information of the wireless broadcast signal, the buffer unit first caches the obtained media stream corresponding to the address information, when the RSSI is less than a preset second threshold. The playback unit then plays the second audio signal converted according to the buffered media stream, thereby improving the continuity of the played audio signal. Further, since the acquisition of the media stream generates a certain amount of network traffic, when the RSSI is greater than the preset The first playing module 31 may further continue to play the first audio signal converted according to the wireless broadcast signal.
具体地,本实施例的音频信号的播放装置还可以进一步包括信息轮询模块 35,用于 轮询 RSSI寄存器, 获知 RSSI寄存器的值, 上述 RSSI寄存器的值为 RSSI, 以使当 RSSI 满足不同阈值条件时, 触发相应的功能模块或单元。 本领域普通技术人员可以理解: 实现上述方法实施例的全部或部分步骤可以通过程 序指令相关的硬件来完成, 前述的程序可以存储于一计算机可读取存储介质中, 该程序 在执行时, 执行包括上述方法实施例的步骤; 而前述的存储介质包括: R0M、 RAM, 磁碟 或者光盘等各种可以存储程序代码的介质。 最后应说明的是: 以上实施例仅用以说明本发明的技术方案, 而非对其限制; 尽管 参照前述实施例对本发明进行了详细的说明, 本领域的普通技术人员应当理解: 其依然 可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分技术特征进行等同替 换; 而这些修改或者替换, 并不使相应技术方案的本质脱离本发明各实施例技术方案的 精神和范围。  Specifically, the playing device of the audio signal of this embodiment may further include an information polling module 35 for polling the RSSI register to learn the value of the RSSI register, and the value of the RSSI register is RSSI, so that when the RSSI satisfies different thresholds When the condition is met, the corresponding function module or unit is triggered. A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The steps of the foregoing method embodiments are included; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk. It should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

权利要求 Rights request
1、 一种音频信号的播放方法, 其特征在于, 包括: 播放根据无线广播信号转换的第一音频信号; 当接收信号场强指示 RSSI 小于预先设置的第一阈值时, 获取与所述无线广播信号 的频段信息对应的地址信息; 播放根据媒体流转换的第二音频信号, 所述媒体流为根据所述地址信息获取。 A method for playing an audio signal, comprising: playing a first audio signal converted according to a wireless broadcast signal; and acquiring a wireless broadcast when the received signal field strength indicating that the RSSI is less than a preset first threshold The address information corresponding to the frequency band information of the signal; playing the second audio signal converted according to the media stream, where the media stream is acquired according to the address information.
2、 根据权利要求 1所述的方法, 其特征在于, 还包括: 预先设置频段信息与地址 信息的映射关系, 以获取与所述无线广播信号的频段信息对应的地址信息。 2. The method according to claim 1, further comprising: pre-setting a mapping relationship between the frequency band information and the address information to obtain address information corresponding to the frequency band information of the wireless broadcast signal.
3、 根据权利要求 1所述的方法, 其特征在于, 所述播放根据媒体流转换的第二音 频信号, 所述媒体流为根据所述地址信息获取具体包括: 缓存获取的与所述地址信息对应的媒体流; 当 RSSI 小于预先设置的第二阈值时, 播放根据缓存的所述媒体流转换的第二音频 信号。 The method according to claim 1, wherein the playing the second audio signal converted according to the media stream, the obtaining, by the media stream according to the address information, specifically includes: acquiring the cached address information Corresponding media stream; when the RSSI is less than a preset second threshold, playing a second audio signal converted according to the buffered media stream.
4、 根据权利要求 1所述的方法, 其特征在于, 所述播放根据媒体流转换的第二音 频信号, 所述媒体流为根据所述地址信息获取之后还包括: 当 RSSI大于所述第一阈值时, 播放所述第一音频信号。 The method according to claim 1, wherein the playing the second audio signal converted according to the media stream, after the media stream is acquired according to the address information, further comprising: when the RSSI is greater than the first At the threshold, the first audio signal is played.
5、根据权利要求 1所述的方法, 其特征在于, 所述方法还包括: 轮询 RSSI寄存器, 获知 RSSI寄存器的值, 所述 RSSI寄存器的值为 RSSI。 The method according to claim 1, wherein the method further comprises: polling the RSSI register to obtain a value of the RSSI register, and the value of the RSSI register is an RSSI.
6、 根据权利要求 1至 5任一权利要求所述的方法, 其特征在于, 所述第一阈值为 30, 所述第二阈值为 10。 The method according to any one of claims 1 to 5, wherein the first threshold is 30 and the second threshold is 10.
7、 一种音频信号的播放装置, 其特征在于, 包括: 第一播放模块, 用于播放根据无线广播信号转换的第一音频信号; 地址获取模块, 用于当接收信号场强指示 RSSI 小于预先设置的第一阈值时, 获取 与所述无线广播信号的频段信息对应的地址信息; 第二播放模块, 用于播放根据媒体流转换的第二音频信号, 所述媒体流为根据所述 地址信息获取。 A playback device for an audio signal, comprising: a first play module, configured to play a first audio signal converted according to a wireless broadcast signal; and an address acquisition module, configured to: when the received signal field strength indicates that the RSSI is less than a And the second broadcast module is configured to play a second audio signal that is converted according to the media stream, where the media stream is based on the address information, where the first threshold is set, the address information corresponding to the frequency band information of the wireless broadcast signal is obtained; Obtain.
8、 根据权利要求 7所述的装置, 其特征在于, 还包括设置模块, 用于预先设置频 段信息与地址信息的映射关系, 以使所述地址获取模块获取与所述无线广播信号的频段 信息对应的地址信息。 The device according to claim 7, further comprising a setting module, configured to preset a mapping relationship between the frequency band information and the address information, so that the address obtaining module acquires frequency band information of the wireless broadcast signal Corresponding address information.
9、 根据权利要求 7所述的装置, 其特征在于, 所述第二播放模块具体包括: 缓存单元, 用于缓存获取的与所述地址信息对应的媒体流; 播放单元, 用于当 RSSI小于预先设置的第二阈值时, 播放根据缓存的所述媒体流 转换的第二音频信号。 The device according to claim 7, wherein the second playing module comprises: a buffer unit, configured to cache the obtained media stream corresponding to the address information; and a playing unit, configured to: when the RSSI is smaller than When the second threshold is set in advance, the second audio signal converted according to the buffered media stream is played.
10、 根据权利要求 7所述的装置, 其特征在于, 所述第一播放模块还用于当 RSSI 大于所述第一阈值时, 播放所述第一音频信号。 The device according to claim 7, wherein the first playing module is further configured to play the first audio signal when the RSSI is greater than the first threshold.
11、 根据权利要求 7至 10任一权利要求所述的装置, 其特征在于, 所述装置还包括 信息轮询模块, 用于轮询 RSSI寄存器, 获知 RSSI寄存器的值, 所述 RSSI寄存器的值为 RSSI。 The device according to any one of claims 7 to 10, wherein the device further comprises an information polling module, configured to poll the RSSI register, learn the value of the RSSI register, and the value of the RSSI register. For RSSI.
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