WO2018205423A1 - Procédé et terminal de lecture de données audio, et support de stockage lisible par ordinateur - Google Patents

Procédé et terminal de lecture de données audio, et support de stockage lisible par ordinateur Download PDF

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Publication number
WO2018205423A1
WO2018205423A1 PCT/CN2017/094934 CN2017094934W WO2018205423A1 WO 2018205423 A1 WO2018205423 A1 WO 2018205423A1 CN 2017094934 W CN2017094934 W CN 2017094934W WO 2018205423 A1 WO2018205423 A1 WO 2018205423A1
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Prior art keywords
audio
playing
played
current environment
standard
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PCT/CN2017/094934
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English (en)
Chinese (zh)
Inventor
袁晖
李凝华
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深圳市科迈爱康科技有限公司
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Publication of WO2018205423A1 publication Critical patent/WO2018205423A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path

Definitions

  • the present invention relates to the field of audio playback technologies, and in particular, to an audio playback method, a terminal, and a computer readable storage medium.
  • the loudness of audio playback is an important indicator. Loudness is the subjective feeling of the strength of the sound heard by the human ear. In different environments, due to the presence of environmental noise, there are different requirements for loudness. However, it is often inaccurate to judge the influence of environmental noise on the played audio according to the human ear, so that it is impossible to dynamically adjust the loudness corresponding to the played audio based on the influence of the ambient noise on the played audio.
  • the main purpose of the present invention is to provide an audio playing method, which aims to solve the problem that the influence of ambient noise on playing audio according to the human ear is often not accurate enough in the prior art, and thus the impact of environmental noise on playing audio cannot be scientifically determined. To dynamically adjust the technical problem of the loudness corresponding to the playback audio.
  • the present invention provides an audio playing method, where the audio playing method includes:
  • the audio information to be played is retrieved according to the historical play record and played, and the play standard corresponding to the audio information to be played is obtained;
  • the prompt information is used to prompt the user to adjust the play volume.
  • the detecting whether the current environment is suitable for playing audio comprises:
  • the proportion of the total duration in the preset time period is greater than a preset ratio threshold, the current environment is not suitable for playing audio, otherwise the current environment is suitable for playing audio.
  • the detecting whether the current environment is suitable for playing audio further includes:
  • the sharpness value corresponding to the sharpness value is greater than the preset sharpness threshold, the current environment is not suitable for playing audio, otherwise the current environment is suitable for playing audio.
  • the method includes:
  • the audio information to be played is retrieved according to the historical play record and played, and the play criteria corresponding to the audio information to be played are:
  • the playing standard comprises:
  • the standard characteristic loudness curve corresponding to the audio to be played is the standard characteristic loudness curve corresponding to the audio to be played.
  • the prompting information is used to prompt the user to adjust the play volume, including:
  • the feedback lowers the volume prompt to prompt the user to lower the playing volume.
  • the prompting information is used to prompt the user to adjust the play volume, and the method further includes:
  • the feedback increases the volume prompt to prompt the user to increase the playing volume.
  • the present invention further provides an audio playing terminal, the audio playing terminal comprising: a memory, a processor, and an audio playing program stored on the memory and operable on the processor, The steps of the audio playback method as described above are implemented when the audio playback program is executed by the processor.
  • the present invention also provides a computer readable storage medium having an audio playback program stored thereon, the audio playback program being executed by a processor to implement audio as described above The steps of the playback method.
  • the audio to be played before playing the audio to be played, it is detected whether the current environment is suitable for playing audio. If the current environment is suitable for playing audio, the audio to be played is retrieved and played, and the loudness curve corresponding to the audio to be played is denoised. Corresponding playback effect loudness curve, when it is detected that the playback effect loudness curve exceeds the corresponding range of the play standard corresponding to the audio to be played, the prompt information is used to prompt the user to adjust the play volume.
  • the invention the scientific influence on the playing audio according to the environmental noise is realized, and the playing volume is dynamically adjusted, so that the loudness felt by the human ear is at an appropriate level when the audio is played.
  • FIG. 1 is a schematic flow chart of a first embodiment of an audio playing method according to the present invention.
  • FIG. 2 is a schematic diagram of a refinement process of step S20 in FIG. 1;
  • FIG. 3 is a schematic structural diagram of a terminal in a hardware operating environment according to an embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a first embodiment of an audio playing method according to the present invention.
  • the audio playback method comprises:
  • Step S10 detecting whether the current environment is suitable for playing audio
  • the environmental noise in the current environment is acquired.
  • a sound acquisition device similar to a microphone is used to obtain the current environmental noise, and the sound acquisition device may be integrated into the terminal or externally connected to the terminal, which is not limited herein, and may be determined according to actual needs. It is possible to obtain environmental noise for a period of time, for example, to obtain ambient noise of 10S in the current environment.
  • the acquired environmental noise is processed. For example, audio processing software is built in the terminal, and the ambient noise is processed to obtain a characteristic band loudness curve and a noise spectrum corresponding to the environmental noise.
  • the characteristic frequency band loudness curve is analyzed, and the duration corresponding to the portion of the characteristic frequency band loudness curve exceeding the preset loudness threshold (which can be set as desired, for example, 50 squares) is calculated in the sampling duration (ie, said above)
  • the proportion in 10S determines whether the proportion exceeds the preset ratio (can be set manually according to needs, for example, set to 10%). If the ratio does not exceed the preset ratio, the current environment is suitable for playing audio; If the ratio is greater than or equal to the preset ratio, it indicates that the current environment is not suitable for playing audio, and the warning message is fed back. For example, the text “currently not suitable for playing audio” is displayed in the display area of the terminal, or an audible alarm or flashing light is issued.
  • the sharpness calculation formula is used to obtain a sharpness curve corresponding to the environmental noise, and the sharpness curve is analyzed. If a certain value corresponding to the sharpness curve exists, a certain value is greater than or equal to
  • the preset sharpness threshold can be set according to actual needs, for example, 1.0
  • the text “currently not suitable for playing audio” is displayed in the terminal display area, or is issued. Sound alarms, or flashing lights, etc., are not limited here.
  • Step S20 If the current environment is suitable for playing audio, the audio information to be played is retrieved according to the historical play record and played, and the play standard corresponding to the audio information to be played is obtained;
  • the historical play record of the current user is acquired according to the current user identity information (for example, a historical time node of a certain piece of article/song audio play), according to the historical play record, Obtaining the playing time node of the currently to-be-played audio (for example, an audio history playing record is 15 minutes and 25 seconds, and the playing start time point of the to-be-played audio is 15 minutes and 25 seconds), and playing the to-be-played audio, and acquiring the to-be-played The playback standard corresponding to the audio information.
  • the current user identity information for example, a historical time node of a certain piece of article/song audio play
  • the playing standard includes the upper and lower limits corresponding to the standard characteristic loudness curve of the currently to-be-played audio when playing in a noiseless state (for example, the standard characteristic loudness curve when the currently to-be-played audio is played in a quiet environment such as a recording studio) Corresponding upper and lower limits).
  • Step S30 performing denoising processing on the loudness curve corresponding to the currently played audio, and obtaining a playback effect loudness curve corresponding to the currently played audio;
  • the denoising process of the loudness curve corresponding to the currently played audio may be processed by an audio denoising software (eg, speex, etc.) or a denoising algorithm preset in the terminal, to obtain a corresponding audio of the currently played audio. Play the effect loudness curve.
  • an audio denoising software eg, speex, etc.
  • a denoising algorithm preset in the terminal to obtain a corresponding audio of the currently played audio. Play the effect loudness curve.
  • step S40 when it is detected that the playback effect loudness curve exceeds the corresponding range of the play standard, the prompt information is used to prompt the user to adjust the play volume.
  • the corresponding range of the play standard is the upper and lower limits corresponding to the standard characteristic loudness curve when the currently played audio is played in the no-noise state. If the playback effect loudness curve exceeds the corresponding range of the play standard, the current play audio corresponds to If the loudness is not suitable, feedback prompt information, such as a text prompt (prompting the user to lower or increase the volume), a light prompt (the color 1 light represents a decrease in volume, and the color 2 light represents an increase in volume). For example, when it is detected that the playback effect loudness curve exceeds the upper limit corresponding to the play standard, the user is prompted to lower the play volume.
  • a text prompt prompting the user to lower or increase the volume
  • a light prompt the color 1 light represents a decrease in volume
  • the color 2 light represents an increase in volume
  • the play effect loudness curve exceeds the lower limit corresponding to the play standard
  • the user is prompted to increase the play volume, and when the play is detected.
  • the effect loudness curve exceeds the upper limit corresponding to the play standard and exceeds the lower limit corresponding to the play standard. If the play effect at this time is not good, the play is stopped, and the process returns to step S10.
  • the audio to be played before playing the audio to be played, it is detected whether the current environment is suitable for playing audio. If the current environment is suitable for playing audio, the audio to be played is retrieved and played, and the loudness curve corresponding to the audio to be played is denoised. The corresponding playback effect loudness curve is obtained. When it is detected that the playback effect loudness curve exceeds the corresponding range of the play standard corresponding to the audio to be played, the prompt information is used to prompt the user to adjust the play volume.
  • the invention the scientific influence on the playing audio according to the environmental noise is realized, and the playing volume is dynamically adjusted, so that the loudness felt by the human ear is at an appropriate level when the audio is played.
  • step S10 includes:
  • the proportion of the total duration in the preset time period is greater than a preset ratio threshold, the current environment is not suitable for playing audio, otherwise the current environment is suitable for playing audio.
  • the environmental noise in the current environment is acquired.
  • a sound acquisition device similar to a microphone is used to obtain the current environmental noise, and the sound acquisition device may be integrated into the terminal or externally connected to the terminal, which is not limited herein, and may be determined according to actual needs. It is possible to obtain environmental noise for a period of time, for example, to obtain ambient noise of 10S in the current environment.
  • the acquired environmental noise is processed. For example, audio processing software is built in the terminal, and the ambient noise is processed to obtain a characteristic band loudness curve and a noise spectrum corresponding to the environmental noise.
  • the characteristic band loudness curve is analyzed, and the duration corresponding to the portion of the characteristic band loudness curve that exceeds the preset loudness threshold (which can be set as desired, for example, 50 squares) is calculated for a preset time period (ie, the above Say the proportion of 10S), determine whether the proportion exceeds the preset ratio (can be set manually according to needs, for example, set to 10%), if the ratio does not exceed the preset ratio, the current environment is suitable for playback Audio; if the ratio is greater than or equal to the preset ratio, it indicates that the current environment is not suitable for playing audio, and the warning message is fed back. For example, the text “currently not suitable for playing audio” is displayed in the display area of the terminal, or an audible alarm or a flashing light is emitted. Etc. There is no limit here.
  • step S10 further includes:
  • the sharpness value corresponding to the sharpness value is greater than the preset sharpness threshold, the current environment is not suitable for playing audio, otherwise the current environment is suitable for playing audio.
  • the environmental noise in the current environment is acquired.
  • a sound acquisition device similar to a microphone is used to obtain the current environmental noise, and the sound acquisition device may be integrated into the terminal or externally connected to the terminal, which is not limited herein, and may be determined according to actual needs. It is possible to obtain environmental noise for a period of time, for example, to obtain ambient noise of 10S in the current environment.
  • the obtained environmental noise is processed, and the sharpness calculation formula is used to obtain the sharpness curve corresponding to the environmental noise, and the sharpness curve is analyzed, and if some values corresponding to the sharpness curve exist, If a value is greater than or equal to the preset sharpness threshold (can be set according to actual needs, for example, 1.0), it indicates that the current environment is not suitable for playback, and the warning message is fed back. For example, the text "currently not suitable for playing audio" is displayed in the terminal display area. ", or sound alarms, or flashing lights, etc., no restrictions here.
  • the preset sharpness threshold can be set according to actual needs, for example, 1.0
  • a sharpness curve corresponding to the environmental noise is obtained, and whether a certain value corresponding to the sharpness curve is greater than a preset sharpness threshold is detected. If it exists, the current environment is not suitable for playback, and the environmental noise can be scientifically analyzed, and subsequent audio playback can be guided according to the analysis result.
  • step S10 the method includes:
  • the warning information when the current environment is not suitable for playing audio, the warning information may be fed back, and the text “currently unsuitable for playing audio” may be displayed in the display area of the terminal, or an audible alarm or a flashing light may be issued, which is not limited herein.
  • the ambient noise collected in the preset time period is analyzed, and if the analysis result indicates that the current environment is not suitable for playing audio, the warning information is fed back.
  • FIG. 2 is a schematic diagram of the refinement process of step S20 in FIG.
  • step S20 includes:
  • Step S201 if the current environment is suitable for playing audio, acquiring identity information of the current user;
  • step S202 the historical play record corresponding to the identity information is obtained, and the audio information to be played is retrieved according to the historical play record and played, and the play standard corresponding to the audio information to be played is obtained.
  • the identity information of the current user is obtained, for example, the identity input by the user when the audio playing software is started.
  • Information for example, account number, password, fingerprint information, etc.
  • Obtain a corresponding historical play record according to the identity information of the user for example, a historical time node of a certain piece of article/song audio play
  • obtain a play time node of the currently to-be-played audio according to the historical play record for example, an audio history play record is 15 In 25 seconds, the playback start time of the audio to be played is 15 minutes and 25 seconds, and the audio to be played is played, and the playback standard corresponding to the audio information to be played is obtained.
  • the playing standard includes the upper and lower limits corresponding to the standard characteristic loudness curve of the currently to-be-played audio when playing in a noiseless state (for example, the standard characteristic loudness curve when the currently to-be-played audio is played in a quiet environment such as a recording studio) Corresponding upper and lower limits).
  • the audio playback is automatically entered only when the current environment is suitable for playing audio, thereby improving the user's listening experience during the playing of the audio and increasing the user experience.
  • the playing standard includes: a standard characteristic loudness curve corresponding to the audio to be played.
  • the playing standard includes an upper limit and a lower limit corresponding to a standard characteristic loudness curve when the currently to-be-played audio is played in a noiseless state (for example, a standard characteristic loudness curve when the currently to-be-played audio is played in a quiet environment such as a studio). Corresponding upper and lower limits).
  • the user is instructed to adjust the audio playing volume to improve the user.
  • the auditory experience during the playback of the audio increases the user experience.
  • step S40 includes:
  • the feedback lowers the volume prompt to prompt the user to lower the playing volume.
  • the corresponding range of the play standard is the upper and lower limits corresponding to the standard characteristic loudness curve when the currently played audio is played in the no-noise state. If the playback effect loudness curve exceeds the corresponding range of the play standard, the current play audio corresponds to If the loudness is not suitable, feedback prompt information, such as a text prompt (prompting the user to lower or increase the volume), a light prompt (the color 1 light represents a decrease in volume, and the color 2 light represents an increase in volume). For example, when it is detected that the playback effect loudness curve exceeds the upper limit corresponding to the play standard, it indicates that the corresponding audio of the play audio may be louder at this time, and the user is prompted to lower the play volume.
  • a text prompt prompting the user to lower or increase the volume
  • a light prompt the color 1 light represents a decrease in volume
  • the color 2 light represents an increase in volume
  • the user is instructed to adjust the audio playing volume to improve the user.
  • the auditory experience during the playback of the audio increases the user experience.
  • step S40 further includes:
  • the feedback increases the volume prompt to prompt the user to increase the playing volume.
  • the corresponding range of the play standard is the upper and lower limits corresponding to the standard characteristic loudness curve when the currently played audio is played in the no-noise state. If the playback effect loudness curve exceeds the corresponding range of the play standard, the current play audio corresponds to If the loudness is not suitable, feedback prompt information, such as a text prompt (prompting the user to lower or increase the volume), a light prompt (the color 1 light represents a decrease in volume, and the color 2 light represents an increase in volume). For example, when it is detected that the playback effect loudness curve exceeds the lower limit corresponding to the play standard, it indicates that the corresponding audio of the play audio may be small at this time, and the user is prompted to increase the play volume.
  • a text prompt prompting the user to lower or increase the volume
  • a light prompt the color 1 light represents a decrease in volume
  • the color 2 light represents an increase in volume
  • the user is instructed to adjust the audio playing volume to improve the user.
  • the auditory experience during the playback of the audio increases the user experience.
  • FIG. 3 is a schematic structural diagram of a terminal in a hardware operating environment according to an embodiment of the present invention.
  • the terminal may be a PC, or may be a smart phone, a tablet computer, or an MP3 (Moving Picture Experts). Group Audio Layer III, motion picture expert compression standard audio layer 3) player, MP4 (Moving Picture Experts Group Audio Layer IV, dynamic imaging experts compress standard audio layers 3) terminal devices such as players and portable computers.
  • MP3 Motion Picture Experts
  • Group Audio Layer III motion picture expert compression standard audio layer 3
  • MP4 Motion Picture Experts Group Audio Layer IV
  • dynamic imaging experts compress standard audio layers 3 terminal devices such as players and portable computers.
  • the terminal may include a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, and a communication bus 1002.
  • the communication bus 1002 is used to implement connection communication between these components.
  • the user interface 1003 can include a display, an input unit such as a keyboard, and the optional user interface 1003 can also include a standard wired interface, a wireless interface.
  • the network interface 1004 can optionally include a standard wired interface, a wireless interface (such as a WI-FI interface).
  • the memory 1005 may be a high speed RAM memory or a stable memory (non-volatile) Memory), such as disk storage.
  • the memory 1005 can also optionally be a storage device independent of the aforementioned processor 1001.
  • the terminal may further include a camera, RF (Radio) Frequency, RF) circuits, sensors, audio circuits, WiFi modules, and more.
  • sensors such as light sensors, motion sensors, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display according to the brightness of the ambient light, and the proximity sensor may turn off the display and/or when the mobile terminal moves to the ear. Backlighting.
  • the gravity acceleration sensor can detect the magnitude of acceleration in each direction (usually three axes), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, Related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; of course, the mobile terminal can also be equipped with other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. No longer.
  • terminal structure shown in FIG. 3 does not constitute a limitation to the terminal, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements.
  • an operating system may be included in the memory 1005 as a computer storage medium.
  • the network interface 1004 is mainly used to connect to the background server for data communication with the background server;
  • the user interface 1003 is mainly used for connecting the client (user end), and performing data communication with the client;
  • 1001 can be used to invoke an audio playback program stored in memory 1005 and perform the steps of the audio playback method as described above.
  • the specific embodiment of the audio playback terminal of the present invention is basically the same as the foregoing embodiments of the audio playback method, and details are not described herein.
  • an embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium stores an audio playing program, and when the audio playing program is executed by the processor, the audio playing method as described above is implemented. step.
  • the specific embodiment of the computer readable storage medium of the present invention is substantially the same as the embodiment of the audio playback method described above, and is not described herein.
  • portions of the technical solution of the present invention that contribute substantially or to the prior art may be embodied in the form of a software product stored in a storage medium (such as a ROM/RAM as described above). , a disk, an optical disk, including a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • a terminal device which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

La présente invention concerne un procédé et un terminal de lecture de données audio et un support de stockage lisible par ordinateur. Le procédé consiste à : détecter si un environnement actuel est approprié pour une lecture de données audio ; si l'environnement actuel est approprié pour une lecture de données audio, évoquer, selon un enregistrement de lectures historiques, des informations liées aux données audio à lire, et lire ces dernières, et acquérir un standard de lecture correspondant aux informations liées aux données audio à lire ; exécuter un traitement de débruitage sur un contour de niveau sonore correspondant à des données audio actuellement lues pour obtenir un contour de niveau sonore d'effet de lecture correspondant aux données audio actuellement lues ; et lorsqu'il est détecté que le contour de niveau sonore d'effet de lecture excède une plage correspondant au standard de lecture, renvoyer des informations d'invite pour inviter un utilisateur à ajuster un volume de lecture. Au moyen de la présente invention, un volume de lecture est ajusté de manière scientifique et dynamique selon le degré auquel un bruit environnemental affecte une lecture de données audio de sorte que, lorsque les données audio sont lues, le niveau sonore perçu par des oreilles humaines est à un degré approprié.
PCT/CN2017/094934 2017-05-08 2017-07-28 Procédé et terminal de lecture de données audio, et support de stockage lisible par ordinateur WO2018205423A1 (fr)

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CN201710323857.0A CN107247572B (zh) 2017-05-08 2017-05-08 音频播放方法、终端及计算机可读存储介质

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CN106331338A (zh) * 2016-08-22 2017-01-11 北京小米移动软件有限公司 音量调节方法及装置
CN106528036A (zh) * 2016-10-09 2017-03-22 腾讯科技（深圳）有限公司 音量调节方法及装置

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