WO2015085858A1 - 一种多载波音频通信的处理方法、系统及音频接收端设备 - Google Patents

一种多载波音频通信的处理方法、系统及音频接收端设备 Download PDF

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WO2015085858A1
WO2015085858A1 PCT/CN2014/092090 CN2014092090W WO2015085858A1 WO 2015085858 A1 WO2015085858 A1 WO 2015085858A1 CN 2014092090 W CN2014092090 W CN 2014092090W WO 2015085858 A1 WO2015085858 A1 WO 2015085858A1
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audio
thread
carrier signal
module
audio data
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PCT/CN2014/092090
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French (fr)
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刘涛
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国民技术股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal

Definitions

  • the invention belongs to the technical field of multi-carrier audio data processing, and in particular relates to a processing method and system for multi-carrier audio communication and an audio receiving end device.
  • audio data communication generally adopts single frequency carrier transmission and single thread decoding.
  • This technology encounters many problems in practical application: First, the single frequency carrier relies excessively on the frequency response characteristic of the receiving end, once the receiving end The frequency response characteristics do not meet the requirements of the transmission carrier, and the communication quality is difficult to guarantee. Secondly, the single-carrier bearer information is limited, and the communication data throughput is small.
  • the multi-carrier audio communication system can well overcome the shortcomings of this single-carrier audio communication system. However, at present, such a multi-carrier audio communication system still uses single-thread decoding at the receiving end, and the communication efficiency needs to be improved for time-division decoding of different frequencies.
  • An object of the present invention is to provide a processing method and system for multi-carrier audio communication and an audio receiving device, which are intended to solve the problem in the prior art.
  • a multi-carrier audio communication system that still uses single-thread decoding at the receiving end, causes a problem of low communication throughput and long communication time.
  • the present invention is achieved by a method of processing multi-carrier audio communication, the method comprising the steps of:
  • the audio carrier signal of the corresponding frequency is decoded in each thread to obtain valid audio data.
  • Another object of the present invention is to provide a processing system for multi-carrier audio communication, the system comprising:
  • a receiving module configured to receive an audio carrier signal of multiple frequencies sent by the transmitting end
  • a multi-thread generation module for generating a peer-to-peer number of threads with multiple frequencies
  • a thread scheduling module configured to schedule each thread to process an audio carrier signal of its corresponding frequency
  • a decoding module configured to decode an audio carrier signal of a corresponding frequency in each thread to obtain valid audio data.
  • Another object of the present invention is to provide an audio sink device of a processing system including the multi-carrier audio communication described above.
  • the multi-frequency carrier audio signal is decoded by using multi-threading technology, and each thread respectively corresponds to an audio carrier signal of a different frequency, and is respectively decoded in each thread, and finally the effective audio data in different carriers are respectively obtained.
  • the accuracy of audio data communication is improved, the time of audio data communication is shortened, and the communication throughput is improved.
  • FIG. 1 is a schematic flowchart showing an implementation process of a multi-carrier audio communication according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a processing system for multi-carrier audio communication provided by an embodiment of the present invention.
  • the multi-frequency carrier is simultaneously decoded by using the multi-thread decoding at the receiving end, thereby greatly shortening the communication time and improving the communication throughput.
  • an implementation flow of a method for processing multi-carrier audio communication includes the following steps:
  • step S101 receiving audio signal signals of multiple frequencies transmitted by the transmitting end
  • step S101 the method further includes: converting the analog audio carrier signals of the plurality of frequencies sent by the transmitting end into digital signals for the next level module.
  • step S102 generating a number of threads equal to the plurality of frequencies
  • each thread is responsible for decoding audio carrier signals of different frequencies.
  • step S103 each thread is scheduled to process an audio carrier signal of its corresponding frequency
  • scheduling each thread mainly includes, but is not limited to, the following operations: scheduling when each thread starts, closes, or destroys.
  • step S104 the audio carrier signal of the corresponding frequency is decoded in each thread to obtain valid audio data.
  • the decoding module runs in each thread, and is responsible for decoding the audio carrier signal of the corresponding frequency in the respective threads to obtain valid audio data. For example, at 5K In the decoding thread corresponding to the carrier, the decoding module is responsible for decoding the 5K carrier to obtain valid audio data.
  • the method further includes:
  • the decoded valid audio data is judged for correctness verification, and the verification result is marked.
  • the structure of a processing system for multi-carrier audio communication includes: a receiving module 101, and a multi-thread generating module 102. a thread scheduling module 103 and a decoding module 104 .
  • the processing system of the multi-carrier audio communication may be a software unit, a hardware unit, or a combination of software and hardware built in the audio receiving device.
  • the audio receiving device may be, but not limited to, a mobile terminal such as a mobile phone or a tablet computer.
  • the receiving module 101 is configured to receive an audio carrier signal of multiple frequencies sent by the sending end;
  • a multi-thread generation module 102 configured to generate a peer-to-peer number of threads with multiple frequencies
  • a thread scheduling module 103 configured to schedule each thread to process an audio carrier signal of its corresponding frequency
  • the decoding module 104 is configured to decode the audio carrier signal of the corresponding frequency in each thread to obtain valid audio data.
  • the receiving module includes: at least one MIC and one A/D conversion module.
  • the conversion module converts to a digital signal for the next level of modules.
  • the MIC is configured to receive an audio carrier signal of multiple frequencies sent by the transmitting end;
  • the A/D conversion module is configured to convert an analog audio carrier signal of multiple frequencies transmitted by the transmitting end into a digital signal.
  • the thread scheduling module 103 is specifically configured to schedule when each thread starts, closes, or destroys the operation.
  • the decoding module runs in each thread and is responsible for decoding the audio carrier signal of the corresponding frequency in the respective threads to obtain valid audio data.
  • the system further includes: a determining module.
  • the judging module is configured to judge the valid audio data obtained by the decoding to perform correctness verification, and mark the verification result.
  • the embodiment of the present invention decodes a multi-frequency carrier audio signal by using a multi-threading technology, and each thread respectively corresponds to an audio carrier signal of a different frequency, and respectively decodes in each thread, and finally obtains valid audio data in different carriers respectively. .
  • the accuracy of audio data communication is improved, the time of audio data communication is shortened, and the communication throughput is improved.

Abstract

一种多载波音频通信的处理方法,属于多载波音频数据处理技术领域,所述方法包括以下步骤:接收发送端发送的多个频率的音频载波信号(S101);生成与多个频率对等数量的线程(S102);调度每个线程处理其对应频率的音频载波信号(S103);在每个线程中解码对应频率的音频载波信号,得到有效音频数据(S104)。该方法提高了音频数据通信的准确率,缩短了音频数据通信的时间,提高了通信的吞吐量。

Description

一种多载波音频通信的处理方法、系统及音频接收端设备 技术领域
本发明属于多载波音频数据处理技术领域,尤其涉及一种多载波音频通信的处理方法、系统及音频接收端设备。
背景技术
在现有技术中,音频数据通信一般采用单频载波发送,单线程解码,这种技术在实际应用过程中会遇到很多问题:首先,单频载波过度依赖接收端的频响特性,一旦接收端频响特性不符合发送载波要求,通信质量很难保证;其次,单载波承载信息量有限,通信数据吞吐量较小。多载波音频通信系统能够很好地克服这种单载波音频通信系统的缺陷, 然而,目前这种多载波音频通信系统在接收端仍然使用单线程解码,针对不同频率分时解码,这种通信效率有待提升。
发明内容
本发明的目的在于提供一种 多载波音频通信的处理方法、系统及音频接收端设备 ,旨在解决现有技术中对于 多载波音频通信系统,其在接收端仍然使用单线程解码,造成通信吞吐量低以及通信时间长 的问题。
本发明是这样实现的,一种 多载波音频通信的处理方法,所述方法包括以下步骤:
接收发送端发送的多个频率的音频载波信号;
生成与多个频率对等数量的线程;
调度每个线程处理其对应频率的音频载波信号;
在每个线程中解码对应频率的音频载波信号,得到有效音频数据。
本发明的另一目的在于提供一种 多载波音频通信的处理系统,所述系统包括:
接收模块,用于接收发送端发送的多个频率的音频载波信号;
多线程生成模块,用于生成与多个频率对等数量的线程;
线程调度模块,用于调度每个线程处理其对应频率的音频载波信号;
解码模块,用于在每个线程中解码对应频率的音频载波信号,得到有效音频数据。
本发明的另一目的在于提供一种包括上面所述的 多载波音频通信的处理系统的音频接收端设备。
在本发明中, 使用多线程技术对多频载波音频信号进行解码,各个线程分别对应不同频率的音频载波信号,在各个线程内分别解码,最终分别得到不同载波内的有效音频数据。从而提高了音频数据通信的准确率,缩短了音频数据通信的时间,提高了通信的吞吐量。
附图说明
图 1 是本发明 实施例提供的 多载波音频通信的处理方法的实现流程示意图。
图 2 是本发明 实施例提供的 多载波音频通信的处理系统的结构示意图。
具体实施方式
为了使本发明的目的、技术方案及有益效果更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
在本发明实施例中,通过在接收端采用多线程解码的方式同时对多频载波进行解码,从而大大缩短了通信时间,提高了通信的吞吐量。
请参阅图 1 ,为本发明 实施例提供的 多载波音频通信的处理方法的实现流程,其包括以下步骤:
在步骤 S101 中,接收发送端发送的多个频率的音频载波信号;
在本发明实施例中,在步骤 S101 之后,还包括:将发送端发送的多个频率的模拟音频载波信号转换成数字信号,以供下一级模块。
在步骤 S102 中,生成与多个频率对等数量的线程;
在本发明实施例中,例如:若存在三个频率的音频载波,则需要生成三个线程,每个线程分别负责解码不同频率的音频载波信号。
在步骤 S103 中,调度每个线程处理其对应频率的音频载波信号;
在本发明实施例中,调度每个线程主要包括但不限于以下操作:调度各个线程何时开启、关闭或销毁等操作。
在步骤 S104 中,在每个线程中解码对应频率的音频载波信号,得到有效音频数据。
在本发明实施例中,解码模块运行在各个线程中,负责在各自的线程中解码对应频率的音频载波信号,得到有效音频数据。例如,在 5K 载波对应的解码线程中,解码模块负责针对 5K 载波进行解码,得到有效音频数据。
作为本发明一优选实施例,在步骤 S104 之后,还包括:
判断解码得到的有效音频数据进行正确性校验,并对校验结果进行标记。
请参阅图 2 ,为本发明 实施例提供的 多载波音频通信的处理系统的结构。为了便于说明,仅示出了与本发明实施例相关的部分。所述多载波音频通信的处理系统包括:接收模块 101 、多线程生成模块 102 、线程调度模块 103 、以及解码模块 104 。所述多载波音频通信的处理系统可以是内置于音频接收端设备中的软件单元、硬件单元或者是软硬件结合的单元。所述音频接收端设备可以是但不限于手机、平板电脑等移动终端。
接收模块 101 ,用于接收发送端发送的多个频率的音频载波信号;
多线程生成模块 102 ,用于生成与多个频率对等数量的线程;
线程调度模块 103 ,用于调度每个线程处理其对应频率的音频载波信号;
解码模块 104 ,用于在每个线程中解码对应频率的音频载波信号,得到有效音频数据。
在本发明实施例中,所述接收模块包括:至少一个 MIC 和一个 A/D 转换模块。
发送端发送的多个频率的模拟音频载波信号经过 MIC 和 A/D 转换模块转换成数字信号,以供下一级模块。
即,所述 MIC ,用于接收发送端发送的多个频率的音频载波信号;
所述 A/D 转换模块,用于将发送端发送的多个频率的模拟音频载波信号转换成数字信号。
在本发明实施例中,
线程调度模块 103 ,具体用于调度各个线程何时开启、关闭或销毁操作。
在本发明实施例中,
解码模块运行在各个线程中,负责在各自的线程中解码对应频率的音频载波信号,得到有效音频数据。
作为本发明一优选实施例,所述系统还包括:判断模块。
判断模块,用于判断解码得到的有效音频数据进行正确性校验,并对校验结果进行标记。
综上所述,本发明实施例使用多线程技术对多频载波音频信号进行解码,各个线程分别对应不同频率的音频载波信号,在各个线程内分别解码,最终分别得到不同载波内的有效音频数据。从而提高了音频数据通信的准确率,缩短了音频数据通信的时间,提高了通信的吞吐量。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分 步骤是可以通过程序来指令相关的硬件来完成,所述的程序可以存储于一计算机可读取存储介质中,所述的存储介质,如 ROM/RAM 、磁盘、光盘等。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种多载波音频通信的处理方法,其特征在于,所述方法包括以下步骤:
    接收发送端发送的多个频率的音频载波信号;
    生成与多个频率对等数量的线程;
    调度每个线程处理其对应频率的音频载波信号;
    在每个线程中解码对应频率的音频载波信号,得到有效音频数据。
  2. 如权利要求 1 所述的方法,其特征在于,在所述'接收发送端发送的多个频率的音频载波信号'的步骤之后,还包括:
    将发送端发送的多个频率的模拟音频载波信号转换成数字信号。
  3. 如权利要求 1 所述的方法,其特征在于,所述'调度每个线程处理其对应频率的音频载波信号'包括以下操作:
    调度各个线程何时开启、关闭或销毁操作。
  4. 如权利要求 1 所述的方法,其特征在于,在所述'在每个线程中解码对应频率的音频载波信号,得到有效音频数据'的步骤之后,还包括:
    判断解码得到的有效音频数据进行正确性校验,并对校验结果进行标记。
  5. 一种多载波音频通信的处理系统,其特征在于,所述系统包括:
    接收模块,用于接收发送端发送的多个频率的音频载波信号;
    多线程生成模块,用于生成与多个频率对等数量的线程;
    线程调度模块,用于调度每个线程处理其对应频率的音频载波信号;
    解码模块,用于在每个线程中解码对应频率的音频载波信号,得到有效音频数据。
  6. 如权利要求 5 所述的系统,其特征在于,所述接收模块包括:至少一个 MIC 和一个 A/D 转换模块;
    所述 MIC ,用于接收发送端发送的多个频率的音频载波信号;
    所述 A/D 转换模块,用于将发送端发送的多个频率的模拟音频载波信号转换成数字信号。
  7. 如权利要求 5 所述的系统,其特征在于,
    所述线程调度模块,具体用于调度各个线程何时开启、关闭或销毁操作。
  8. 如权利要求 5 所述的系统,其特征在于,
    所述解码模块运行在各个线程中,负责在各自的线程中解码对应频率的音频载波信号,得到有效音频数据。
  9. 如权利要求 5 所述的系统,其特征在于,所述系统还包括:
    判断模块,用于判断解码得到的有效音频数据进行正确性校验,并对校验结果进行标记。
  10. 一种包括权利要求 5 至 9 任一项所述的多载波音频通信的处理系统的音频接收端设备。
PCT/CN2014/092090 2013-12-09 2014-11-24 一种多载波音频通信的处理方法、系统及音频接收端设备 WO2015085858A1 (zh)

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114759938B (zh) * 2022-06-15 2022-10-14 易联科技(深圳)有限公司 一种公网对讲设备音频延迟处理方法以及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1355973A (zh) * 1999-06-11 2002-06-26 高通股份有限公司 改善多载波信号的解码的自动增益控制
CN101527885A (zh) * 2008-03-03 2009-09-09 深圳市艾派应用系统有限公司 一种PoC业务处理方法及系统
CN102763136A (zh) * 2010-02-11 2012-10-31 诺基亚公司 用于提供多线程视频解码的方法和设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1288578A (zh) * 1998-09-21 2001-03-21 三菱电机株式会社 多载波通信装置及多载波通信方法
JP4684194B2 (ja) * 2006-09-19 2011-05-18 富士通株式会社 マルチキャリア伝送方式を用いる送信装置及び受信装置
CN101436909A (zh) * 2007-11-16 2009-05-20 罗洪涛 无线音频发射、接收和收发装置以及无线音频传输方法
CN101252570B (zh) * 2008-04-01 2012-02-08 北京天碁科技有限公司 一种多载波接收机及其信号处理方法
CN101478525B (zh) * 2009-02-04 2011-03-30 北京天碁科技有限公司 一种多载波分离的方法及多载波分离装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1355973A (zh) * 1999-06-11 2002-06-26 高通股份有限公司 改善多载波信号的解码的自动增益控制
CN101527885A (zh) * 2008-03-03 2009-09-09 深圳市艾派应用系统有限公司 一种PoC业务处理方法及系统
CN102763136A (zh) * 2010-02-11 2012-10-31 诺基亚公司 用于提供多线程视频解码的方法和设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FAN, SHAOZHUO ET AL.: "Application of Multi-Threading in JEPG2000 Image Decoding", COMPUTER SYSTEMS & APPLICATIONS, vol. 20, no. 03, 31 March 2011 (2011-03-31), pages 145 - 147 *

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