WO2017215657A1 - Procédé de traitement d'effet sonore et dispositif terminal - Google Patents

Procédé de traitement d'effet sonore et dispositif terminal Download PDF

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Publication number
WO2017215657A1
WO2017215657A1 PCT/CN2017/088761 CN2017088761W WO2017215657A1 WO 2017215657 A1 WO2017215657 A1 WO 2017215657A1 CN 2017088761 W CN2017088761 W CN 2017088761W WO 2017215657 A1 WO2017215657 A1 WO 2017215657A1
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WIPO (PCT)
Prior art keywords
preset
audio file
terminal device
sound effect
frequency
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PCT/CN2017/088761
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English (en)
Chinese (zh)
Inventor
李亚军
甘高亭
涂广
杨海
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广东欧珀移动通信有限公司
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Publication of WO2017215657A1 publication Critical patent/WO2017215657A1/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
    • G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
    • 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

Definitions

  • the present invention relates to the field of intelligent terminal technologies, and in particular, to a sound effect processing method and a terminal device.
  • the audio playback function is the basic function that most smart terminals have.
  • Many applications in the terminal need to call the audio module for audio playback, such as playing game sound effects, music, video sound effects and so on.
  • the sound effect is generally further enhanced based on the original sound effect parameters of the audio file.
  • the enhanced sound effect can enhance the user's hearing experience to a certain extent, it also increases the power consumption of the terminal device.
  • the embodiment of the invention provides a sound effect processing method and a terminal device, which can reduce the power consumption of the terminal device when playing an audio file without affecting the auditory effect.
  • a first aspect of the embodiments of the present invention provides a sound processing method, which may include:
  • the method includes at least reducing a volume and/or a gain of the frequency band in the audio file.
  • the second aspect of the embodiment of the present invention further discloses a sound effect processing apparatus, including:
  • a detecting unit configured to detect a frequency of an audio file played by the terminal device
  • the processing unit determines whether a frequency band of the audio file is within a preset frequency range, and when the frequency band of the audio file is within a preset frequency range, according to the first preset sound effect adjustment manner Adjusting, by the terminal device, a sound effect parameter of the audio file, wherein the first preset sound effect adjustment mode comprises at least reducing a volume and/or a gain of the frequency band in the audio file.
  • a third aspect of the embodiments of the present invention provides a terminal device, which may include a processor, a memory, a communication interface, and a communication bus, wherein the processor, the memory, the processor, and the communication interface pass through the communication bus Connected, the memory storing executable program code for wireless communication; the processor for invoking executable program code stored in the memory to perform the first aspect or the first embodiment of the present invention
  • a terminal device which may include a processor, a memory, a communication interface, and a communication bus, wherein the processor, the memory, the processor, and the communication interface pass through the communication bus Connected, the memory storing executable program code for wireless communication; the processor for invoking executable program code stored in the memory to perform the first aspect or the first embodiment of the present invention
  • the sound processing method of any of the alternative embodiments may include a processor, a memory, a communication interface, and a communication bus, wherein the processor, the memory, the processor, and the communication interface pass through the communication bus Connected, the memory
  • a fourth aspect of the embodiments of the present invention provides a computer readable storage medium, wherein the computer readable storage medium stores instructions, when executed on a computer, causing the computer to execute any one of the first aspects. method.
  • the frequency band in the frequency of the currently played audio file, is in the preset frequency range.
  • the gain and/or volume of the frequency band in the audio file can be reduced, so that the power consumption of the terminal device can be reduced without affecting the audible effect.
  • FIG. 1 is a schematic flow chart of a sound effect processing method according to an embodiment of the present invention.
  • FIG. 2 is a schematic flow chart of a sound effect processing method according to another embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of a sound effect processing method according to still another embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a sound effect processing method according to still another embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a sound effect processing apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a sound processing apparatus according to another embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • Embodiments of the present invention provide a sound effect processing method and a terminal device, which can reduce power consumption of a terminal device during audio playback.
  • the terminal device described in the embodiment of the present invention may include, but is not limited to, a terminal device such as a mobile phone, a tablet computer, or a notebook computer.
  • FIG. 1 is a schematic flowchart diagram of a sound effect processing method according to an embodiment of the present invention.
  • the sound effect processing method can be executed by hardware of the soft system control terminal device. As shown in FIG. 1, the method may include the following steps:
  • the audio file may be a short segment of the audio file or a complete audio file.
  • the terminal device After detecting the frequency of the audio file played by the terminal device, it can be determined whether there is a frequency band in the frequency of the audio file within a preset frequency range.
  • the setting of the preset frequency range refers to the sensitivity of the human ear to the sound.
  • the frequency of sound that humans can hear is between 20Hz and 20KHz.
  • the sensitivity of the human ear to sound is different in different frequency bands.
  • the human ear is extremely insensitive to the sound of the 15KHz to 20KHz frequency band, although it can be felt through the human body and bones. Sound waves, but the ears are almost inaudible; while the human ear is extremely sensitive to the sound of the 1KHz to 4KHz band, and the perceived penetration rate is the strongest; the sensitivity of the human ear to the sound of other frequency bands is not much different, but can be felt Different sounds, such as bass or treble.
  • the preset sound adjustment mode includes at least reducing a sound of the frequency band in the audio file. Quantity and / or gain.
  • the preset sound adjustment mode may be: reducing a volume of the frequency band in the audio file to a preset volume value and/or reducing a gain of playing the frequency band in the audio file to a preset gain value, or
  • the preset sound adjustment mode may be to reduce the volume of the frequency band in the audio file by a preset volume amplitude and/or reduce the gain of the frequency band in the audio file by a preset gain amplitude.
  • the gain and/or volume of the frequency band in the audio file may be reduced, thereby The power consumption of the terminal device can be reduced without affecting the auditory effect.
  • FIG. 2 is a schematic flowchart diagram of a sound effect processing method according to another embodiment of the present invention.
  • the sound effect processing method can be executed by hardware of the soft system control terminal device. As shown in FIG. 2, the method may include the following steps:
  • the audio file may be a short segment of the audio file or a complete audio file.
  • step S202 Determine whether the sound effect parameter of the audio file of the terminal device meets the first preset condition when the frequency band of the audio file is within the preset frequency range. If not, step S203 is performed, otherwise step S204 is performed.
  • the terminal device After detecting the frequency of the audio file played by the terminal device, it can be determined whether there is a frequency band in the frequency of the audio file within a preset frequency range.
  • the setting of the preset frequency range refers to the sensitivity of the human ear to the sound.
  • the frequency of sound that humans can hear is between 20Hz and 20KHz.
  • the sensitivity of the human ear to sound is different in different frequency bands.
  • the human ear is extremely insensitive to the sound of the 15KHz to 20KHz frequency band, although it can be felt through the human body and bones. Sound waves, but the ears are almost inaudible; while the human ear is extremely sensitive to the sound of the 1KHz to 4KHz band, and the perceived penetration rate is the strongest; the sensitivity of the human ear to the sound of other frequency bands is not much different, but can be felt Different sounds, such as bass or treble.
  • the determining, by the terminal device, whether the sound effect parameter of the audio file meets the first preset condition is: determining whether the volume of the audio file currently played by the terminal device is equal to and/or smaller than the first preset volume value. And/or whether the gain of the currently playing audio file is equal to or smaller than the first preset gain value.
  • the first preset sound adjustment mode includes at least reducing a volume and/or a gain of the frequency band in the audio file.
  • the preset sound adjustment mode may be to reduce the volume of the frequency band in the audio file to a preset volume value and/or reduce the gain of the frequency band in the audio file to a preset gain value, or
  • the preset sound adjustment mode may be to reduce the volume of the frequency band in the audio file by a preset volume amplitude and/or to reduce the gain of the frequency band in the audio file by a preset gain amplitude.
  • the terminal device plays the sound effect parameter of the sound effect file
  • the preset condition is met.
  • the current sound effect parameter of the terminal device is suitable, and no adjustment is needed. Therefore, when playing an audio clip whose audio frequency is within the same range, it is only necessary to perform the sound effect parameter adjustment once.
  • the gain and/or volume of the frequency band in the audio file may be reduced. Therefore, the power consumption of the terminal device can be reduced without affecting the auditory effect. Further, when playing an audio segment whose audio frequency is in the same frequency range, only one adjustment is needed, and the processing work of the terminal device can be reduced, thereby further reducing the power consumption of the terminal device.
  • FIG. 3 is a schematic flowchart diagram of a sound effect processing method according to another embodiment of the present invention.
  • the sound effect processing method can be executed by hardware of the soft system control terminal device. As shown in FIG. 3, the method may include the following steps:
  • the audio file may be a short segment of the audio file or a complete audio file.
  • step S302 Determine whether a frequency band in the frequency of the audio file is not in a preset frequency range. If yes, step S303 is performed, otherwise step S306 is performed.
  • step S303 Determine whether the sound effect parameter of the audio file played by the terminal device meets a second preset condition. If yes, step S304 is performed, otherwise step S305 is performed.
  • the determining, by the terminal device, whether the sound effect parameter of the audio file meets the second preset condition is: determining whether the volume of the audio file currently played by the terminal device is greater than a second preset volume value and/or current Whether the gain of playing the audio file is greater than a second preset gain value.
  • the sound effect parameter of the sound effect file when the sound effect parameter of the sound effect file is satisfied by the terminal device, it indicates that the sound effect parameter of the terminal device has been adjusted before, and the current sound effect parameter of the terminal device is suitable. No need to make adjustments. Therefore, when playing an audio clip whose audio frequency is within the same range, it is only necessary to perform the sound effect parameter adjustment once.
  • the SS 305 is configured to adjust, according to the second preset sound effect adjustment manner, the sound effect parameter of the terminal device to play the audio file.
  • the second preset sound adjustment mode includes at least increasing a volume and/or a gain of playing a frequency band of the audio file that is not within the preset frequency range.
  • the second preset sound adjustment mode may be: increasing a volume of a frequency band not in the preset frequency range in the audio file to a second preset volume value and/or not in the audio file
  • the gain of the frequency band in the preset frequency range is increased to the second preset gain value, or the preset sound effect adjustment mode may be to increase the volume of the frequency band not in the preset frequency range in the audio file.
  • the second preset volume amplitude and/or the gain of the frequency band not in the preset frequency range in the audio file is increased by the second preset gain amplitude.
  • the first preset volume value and the second preset volume value may be the same or different.
  • the first preset gain value may be the same as or different from the second preset gain value.
  • the first preset volume amplitude may be the same as or different from the second preset volume amplitude.
  • the first preset gain amplitude and the second preset gain amplitude may be the same or different.
  • the first preset sound adjustment mode includes at least reducing a volume and/or a gain of a frequency band in the preset frequency range in the audio file.
  • the first preset sound adjustment mode may be: reducing a volume of a frequency band in the preset frequency range in the audio file to a preset volume value and/or setting the audio file in the preset frequency
  • the gain of the frequency band in the range is reduced to a preset gain value, or the preset sound adjustment mode may be to reduce the volume of the frequency band in the preset frequency range in the audio file by a preset volume range and/or And reducing a gain of a frequency band in the preset frequency range in the audio file by a preset gain amplitude.
  • the frequency band in the preset frequency range in the audio file may be reduced. Gain and/or volume, so that the power consumption of the terminal device can be reduced without affecting the audible effect.
  • the gain and/or volume of the frequency band not in the preset frequency range may be increased in the audio file. In order to ensure that the user can get a good hearing effect.
  • FIG. 4 is a schematic flowchart diagram of a sound effect processing method according to an embodiment of the present invention.
  • the sound effect processing method can be executed by hardware of the soft system control terminal device. As shown in FIG. 4, the method may include the following steps:
  • S401 Determine, according to the ambient noise collected by the terminal device, whether the current scene is a preset trigger scenario.
  • the terminal device can collect noise in the environment, and determine whether the current scene is a preset triggering scene according to the environmental noise, wherein the triggering scene refers to triggering the terminal device to play The scene in which the sound effect parameters of the audio clip are adjusted, such as a scene with a loud noise.
  • the noise range corresponding to the preset triggering scene may be preset, and whether the current scene is a preset triggering scene by determining whether the ambient noise is within the noise range, where the ambient noise is When the noise range is within, the current scene is determined to be a preset trigger scene.
  • the audio file may be a short segment of the audio file or a complete audio file.
  • the setting of the preset frequency range refers to the sensitivity of the human ear to the sound.
  • the frequency of sound that humans can hear is between 20Hz and 20KHz.
  • the sensitivity of the human ear to sound is different in different frequency bands.
  • the human ear is extremely insensitive to the sound of the 15KHz to 20KHz frequency band, although it can be felt through the human body and bones. Sound waves, but the ears are almost inaudible; while the human ear is extremely sensitive to the sound of the 1KHz to 4KHz band, and the perceived penetration rate is the strongest; the sensitivity of the human ear to the sound of other frequency bands is not much different, but can be felt Different sounds, such as bass or treble.
  • the preset sound adjustment mode at least includes reducing a volume and/or a gain of a frequency band in the preset frequency range in the audio file.
  • the preset sound adjustment mode may be to reduce the volume of the frequency band in the preset frequency range to the first preset volume value and/or the frequency band in the preset frequency range in the audio file.
  • the gain is reduced to a first preset gain value, or the preset sound adjustment mode may be to reduce the volume of the frequency band in the preset frequency range in the audio file by a first preset volume amplitude and/or to The gain of the frequency band within the preset frequency range in the audio file is decreased by the first preset gain amplitude.
  • the current scene is a preset trigger scene, that is, in a scene with a relatively noisy sound
  • the sound frequency band that is not sensitive to the human ear is more difficult to be detected. Therefore, in this manner, In the scene, when the audio that is insensitive to the human ear is played, the gain and/or volume of the frequency band in the preset frequency range in the played audio file is lowered, and the hearing effect is not affected.
  • FIG. 5 is a schematic structural diagram of a sound processing apparatus according to an embodiment of the present invention.
  • the terminal device may include the following units:
  • the detecting unit 501 is configured to detect a frequency of an audio file played by the terminal device.
  • the audio file may be a short segment of the audio file or a complete audio file.
  • the processing unit 502 is configured to determine whether a frequency band of the audio file is within a preset frequency range, and when the frequency of the audio file is within a preset frequency range, adjust according to the first preset sound effect The method adjusts the sound effect parameter of the audio file by the terminal device.
  • the setting of the preset frequency range refers to the sensitivity of the human ear to the sound.
  • the frequency of sound that humans can hear is between 20Hz and 20KHz.
  • the sensitivity of the human ear to sound is different in different frequency bands.
  • the human ear is extremely insensitive to the sound of the 15KHz to 20KHz frequency band, although it can be felt through the human body and bones. Sound waves, but the ears are almost inaudible; while the human ear is extremely sensitive to the sound of the 1KHz to 4KHz band, and the perceived penetration rate is the strongest; the sensitivity of the human ear to the sound of other frequency bands is not much different, but can be felt Different sounds, such as bass or treble.
  • the preset sound adjustment mode at least includes reducing a volume and/or a gain of the frequency band in the audio file.
  • the preset sound adjustment mode may be to reduce the volume of the frequency band in the audio file to a preset volume value and/or reduce the gain of the frequency band in the audio file to a preset gain value, or
  • the preset sound adjustment mode may be to reduce the volume of the frequency band in the audio file by a preset volume amplitude and/or reduce the gain of the frequency band in the audio file by a preset gain amplitude.
  • the gain and/or volume of the frequency band in the audio file may be reduced, thereby The power consumption of the terminal device can be reduced without affecting the auditory effect.
  • processing unit 502 is further configured to:
  • the sound effect parameter of the audio file currently playing on the terminal device does not satisfy the first preset And adjusting the sound effect parameter of the audio file by the terminal device according to the first preset sound effect adjustment manner.
  • the sound effect parameter of the sound effect file currently playing by the terminal device meets the preset condition, it indicates that the sound effect parameter of the terminal device has been previously adjusted, and the current sound effect parameter of the terminal device is suitable. No need to make adjustments. Therefore, when playing an audio clip whose audio frequency is within the same range, it is only necessary to perform the sound effect parameter adjustment once.
  • the gain and/or volume of the played audio file may be reduced, thereby not affecting the hearing.
  • the power consumption of the terminal device can be reduced. Further, when playing an audio segment whose audio frequency is in the same frequency range, only one adjustment is needed, and the processing work of the terminal device can be reduced, thereby further reducing the power consumption of the terminal device.
  • processing unit 502 is further configured to:
  • the determining whether the sound effect parameter of the audio file currently playing by the terminal device meets the second preset condition is specifically: determining whether the volume of the audio file currently played by the terminal device is greater than a preset volume value and/or currently playing Whether the gain of the audio file is greater than a preset gain value.
  • the sound effect parameter of the sound effect file currently playing by the terminal device meets the second preset condition, it indicates that the sound effect parameter of the terminal device has been previously adjusted, and the current sound effect parameter of the terminal device is Suitably, no further adjustments are required. Therefore, when playing an audio clip whose audio frequency is within the same range, it is only necessary to perform the sound effect parameter adjustment once.
  • the second preset sound adjustment mode includes at least increasing a volume and/or a gain of a frequency band in the audio file that is not within the preset frequency range.
  • the second preset sound adjustment mode may be: increasing a volume of a frequency band not in the preset frequency range in the audio file to a preset volume value and/or not in the audio file
  • the gain of the frequency band in the frequency range is increased to a preset gain value, or the preset sound effect adjustment mode may be to increase the volume of the frequency band not in the preset frequency range in the audio file by a preset volume range.
  • the frequency band in the preset audio frequency in the audio file may be reduced.
  • the frequency band is not in the preset frequency range, that is, when the currently played audio is human ear sensitive audio, the playing audio file may not be increased. The gain and/or volume of the frequency band within the preset frequency range ensures that the user can get a good audible effect.
  • FIG. 6 is a schematic structural diagram of a sound processing apparatus according to another embodiment of the present invention.
  • the terminal device includes, in addition to the detecting unit 501 and the processing unit 502, a determining unit 503, configured to determine, according to the ambient noise collected by the terminal device, whether the current scene is a preset triggering scenario.
  • the terminal device can collect noise in the environment, and determine whether the current scene is a preset triggering scene according to the environmental noise, wherein the triggering scene refers to triggering the terminal device to play The scene in which the sound effect parameters of the audio clip are adjusted, such as a scene with a loud noise.
  • the processing unit 502 is configured to detect a frequency of an audio file played by the terminal device when the current scene is the preset trigger scene.
  • the terminal device may further include a setting unit 504, configured to preset a noise range corresponding to the preset trigger scene.
  • the determining unit 503 determines whether the current scene is a preset triggering scene by determining whether the ambient noise is within the noise range, and determining that the current scene is preset when the ambient noise is within the noise range. Trigger the scene.
  • the current scene is a preset trigger scene, that is, in a scene with a relatively noisy sound
  • the sound frequency band that is not sensitive to the human ear is more difficult to be detected. Therefore, in this manner, In the scene, when the audio that is insensitive to the human ear is played, the gain and/or volume of the frequency band in the preset frequency range in the played audio file is lowered, and the hearing effect is not affected.
  • FIG. 7 is a schematic structural diagram of a terminal device according to still another embodiment of the present invention.
  • the terminal device may include a processor 701, a memory 702, a communication interface 703, and a communication bus 704; wherein the processor 701, the memory 702, the fingerprint recognition module 705, and the communication interface 703 are connected by a communication bus 704. And completing communication with each other; the processor 701 controls wireless communication with the external cellular network through the communication interface 703; the communication interface 703 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, and a LNA (Low Noise Amplifier). ), duplexer, etc.
  • the memory 702 includes at least one of the following: a random access memory, a nonvolatile memory, and an external memory.
  • the memory 702 stores executable program code, and the processor 701 can call the executable program code to perform the following steps:
  • the method includes at least reducing a volume and/or a gain of the frequency band in the audio file.
  • the executable program code is further executed before the adjusting, by the first preset sound effect adjustment mode, the terminal device to play the sound effect parameter of the audio file:
  • the sound effect parameter of the audio file currently playing on the terminal device meets the first preset bar And controlling the terminal device to play the audio file according to a current sound effect parameter;
  • the terminal device When the sound effect parameter of the audio file currently playing by the terminal device does not satisfy the first preset condition, the terminal device is configured to play the sound effect parameter of the audio file according to the first preset sound effect adjustment manner.
  • executable program code is also executed for:
  • the second preset sound adjustment mode includes at least increasing a volume and/or a gain of a frequency band in which the audio file is not within the preset frequency range.
  • the executable program code is further executed to:
  • the frequency of the audio file played by the terminal device is detected.
  • the executable program code is further executed before the determining, according to the ambient noise, whether the current scene is a preset trigger scene, for:
  • Determining, according to the environmental noise, whether the current scene is a preset triggering scene specifically: determining whether the ambient noise is within the noise range, and determining the current scene when the ambient noise is within the noise range The preset trigger scene.
  • the modules or units in all the embodiments of the present invention may be implemented by a general-purpose integrated circuit, such as a CPU (Central Processing Unit) or an ASIC (Application Specific Integrated Circuit).
  • a CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • Modules or units in the apparatus of the embodiments of the present invention may be combined, divided, and deleted according to actual needs.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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  • General Health & Medical Sciences (AREA)
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Abstract

L'invention concerne un procédé de traitement d'effet sonore et un dispositif terminal. Le procédé de traitement d'effet sonore peut consister : à mesurer la fréquence d'un fichier audio lu par un dispositif terminal (S101) ; à déterminer s'il existe une bande dans la fréquence du fichier audio qui s'inscrit dans une gamme de fréquences prédéfinie ; et à ajuster, selon une première approche d'ajustement d'effet sonore prédéfinie, un paramètre d'effet sonore qui permet au dispositif terminal de lire le fichier audio lorsqu'il existe une bande dans la fréquence du fichier audio qui s'inscrit dans la gamme de fréquences prédéfinie (S102), la première approche d'ajustement d'effet sonore prédéfinie comprenant au moins la diminution du volume de lecture et/ou du gain du fichier audio. Lorsque la fréquence d'un fichier audio en cours de lecture s'inscrit dans une gamme de fréquences prédéfinie, c'est-à-dire que les oreilles humaines ne sont pas sensibles au son en cours de lecture, le procédé peut diminuer le gain et/ou le volume de la bande du fichier audio qui s'inscrit dans la gamme de fréquences prédéfinie, et réduire la consommation d'énergie d'un dispositif terminal sans incidence sur l'effet auditif.
PCT/CN2017/088761 2016-06-16 2017-06-16 Procédé de traitement d'effet sonore et dispositif terminal WO2017215657A1 (fr)

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CN113409800A (zh) * 2020-03-16 2021-09-17 浙江宇视科技有限公司 一种监控音频的处理方法、装置、存储介质及电子设备
CN113611317A (zh) * 2021-08-03 2021-11-05 广州小鹏汽车科技有限公司 音效处理方法、装置、车载娱乐系统及汽车
CN113923561A (zh) * 2020-07-08 2022-01-11 阿里巴巴集团控股有限公司 一种智能音箱音效调整方法和装置
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CN108462911A (zh) * 2017-12-11 2018-08-28 广东思派康电子科技有限公司 一种计算机可读存储介质和应用该介质的音效模式自适应耳机
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