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CN-115442732-B - Sound channel mapping method, device, vehicle-mounted playing equipment, vehicle and storage medium

CN115442732BCN 115442732 BCN115442732 BCN 115442732BCN-115442732-B

Abstract

The disclosure relates to a sound channel mapping method, a device, vehicle-mounted playing equipment and a storage medium, which can solve the problem that the sound azimuth sense of panoramic sound audio is seriously lost in a front-row playing mode or a rear-row playing mode of a vehicle. The method comprises the steps of determining a playing mapping relation of vehicle-mounted playing equipment according to a target playing mode, wherein the playing mapping relation comprises that a first left parameter channel of panoramic sound frequency is mapped to a second left parameter channel arranged on the front row of a vehicle, a first right parameter channel of panoramic sound frequency is mapped to a second right parameter channel arranged on the front row of the vehicle, and the playing mapping relation comprises that the first left parameter channel is mapped to a third left parameter channel arranged on the rear row of the vehicle and the first right parameter channel is mapped to a third right parameter channel arranged on the rear row of the vehicle in a rear row of the vehicle.

Inventors

  • HUANG ZHENG
  • GOU XIAOFEI
  • LI JUAN

Assignees

  • 北京罗克维尔斯科技有限公司

Dates

Publication Date
20260505
Application Date
20220316

Claims (13)

  1. 1. A channel mapping method applied to a vehicle-mounted playing device, the method comprising: Acquiring a target playing mode of vehicle-mounted playing equipment; Determining a playing mapping relation of the vehicle-mounted playing equipment according to the target playing mode, wherein the playing mapping relation is used for indicating the corresponding relation between a channel of panoramic sound audio and a channel of the vehicle-mounted playing equipment; Controlling the vehicle-mounted playing equipment to play the panoramic sound audio based on the play mapping relation; Wherein, when the target playing mode is a front-row playing mode, the playing mapping relation includes: the first left parameter channel of the panoramic audio is mapped to a second left parameter channel arranged at the front row of the vehicle in the vehicle-mounted playing device, the first right parameter channel of the panoramic audio is mapped to a second right parameter channel arranged at the front row of the vehicle in the vehicle-mounted playing device, wherein the second left parameter channel at least comprises a left front door channel and the second right parameter channel at least comprises a right front door channel, or In the case that the target playing mode is a back-row playing mode, the playing mapping relationship includes: the first left parameter channel is mapped to a third left parameter channel arranged at the rear row of the vehicle in the vehicle-mounted playing device, the first right parameter channel is mapped to a third right parameter channel arranged at the rear row of the vehicle in the vehicle-mounted playing device, wherein the third left parameter channel at least comprises a left back door channel, and the third right parameter channel at least comprises a right back door channel; The controlling the vehicle-mounted playing device to play the panoramic audio based on the playing mapping relation includes: After the contents of at least two left parameter channels in the first left parameter channel are combined, playing through one channel in the corresponding second left parameter channel or third left parameter channel, so as to reduce the loss of the azimuth sense of panoramic audio sound in a down-mixing mode; And/or; And after the contents of at least two right parameter channels in the first right parameter channel are combined, playing through one channel in the corresponding second right parameter channel or third right parameter channel, so that the loss of the azimuth sense of panoramic audio sound is reduced in a downmixing mode.
  2. 2. The method according to claim 1, wherein in the case that the target play mode is a front-row play mode, the play mapping relationship further includes: If the front row of the vehicle is provided with a first center channel, mapping the center channel of the panoramic sound audio to the first center channel; and if the front row of the vehicle is not provided with a middle channel, mapping the middle channel of the panoramic sound audio to the left front door channel and the right front door channel.
  3. 3. The method according to claim 1, wherein in the case that the target play mode is a front-row play mode, the play mapping relationship further includes: If the front row of the vehicle is provided with a first subwoofer channel, mapping the subwoofer channel of the panoramic sound frequency to the first subwoofer channel; And if the vehicle front row is not provided with a subwoofer channel, mapping the subwoofer channel of the panoramic sound audio to the left front door channel and the right front door channel.
  4. 4. A method according to any one of claims 1 to 3, wherein the second left parametric channel further comprises a front left 3D channel, the first left parametric channel of the panoramic audio being mapped to the second left parametric channel of the on-board playback device disposed in a front row of the vehicle, comprising: A left 3D channel of the first left parameter channel is mapped to a front left 3D channel of the second left parameter channel; the second right parameter channel further includes a front right 3D channel, and the first right parameter channel of the panoramic audio maps to a second right parameter channel set in the front row of the vehicle in the vehicle-mounted playing device, including: a right 3D channel of the first right parametric channel is mapped to a front right 3D channel of the second right parametric channel.
  5. 5. The method according to claim 1, wherein in the case that the target play mode is a back-row play mode, the play mapping relationship further includes: If a second subwoofer channel is arranged at the rear row of the vehicle, mapping the subwoofer channel of the panoramic sound audio to the second subwoofer channel; and if the vehicle rear row is not provided with a subwoofer channel, mapping the subwoofer channel of the panoramic sound audio to the left back door channel and the right back door channel.
  6. 6. The method according to claim 1, wherein in the case that the target play mode is a back-row play mode, the play mapping relationship further includes: if the rear row of the vehicle is provided with a second center channel, mapping the center channel of the panoramic sound audio to the second center channel; And if the middle sound channel is not arranged in the rear row of the vehicle, mapping the middle sound channel of the panoramic sound audio to the left back door sound channel and the right back door sound channel.
  7. 7. The method according to any one of claims 1 to 3, 5 and 6, wherein the third left parametric channel further comprises a rear left 3D channel, the first left parametric channel being mapped to a third left parametric channel provided in the vehicle rear row in the in-vehicle playback device, comprising: A left 3D channel of the first left parameter channel is mapped to a rear left 3D channel of the third left parameter channel; the third right parameter channel further includes a right rear 3D channel, and the first right parameter channel maps to a third right parameter channel set in the rear row of the vehicle in the vehicle-mounted playing device, including: a right 3D channel of the first right parametric channel is mapped to a rear right 3D channel of the third right parametric channel.
  8. 8. The method according to any one of claims 1 to 3, 5 and 6, wherein the third left parametric channel further comprises a left rear surround channel, the first left parametric channel being mapped to a third left parametric channel provided in the vehicle rear row in the in-vehicle playback device, comprising: a left parametric surround channel of the first left parametric channel is mapped to a left rear surround channel of the third left parametric channel; The third right parameter channel further includes a right rear surround channel, and the first right parameter channel maps to a third right parameter channel set in the rear row of the vehicle in the vehicle-mounted playing device, and includes: A right parametric surround channel of the first right parametric channel is mapped to a right rear surround channel of the third right parametric channel.
  9. 9. The method of claim 8, wherein the left parametric surround channel is a left rear surround channel and the right parametric surround channel is a right rear surround channel; A left surround channel of the first left parametric channel is mapped to the left back door channel and a right surround channel of the first right parametric channel is mapped to the right back door channel.
  10. 10. The device is characterized by comprising an acquisition module, a determination module and a control module; the acquisition module is used for acquiring a target playing mode of the vehicle-mounted playing device; The determining module is used for determining a playing mapping relation of the vehicle-mounted playing device according to the target playing mode, wherein the playing mapping relation is used for indicating the corresponding relation between a channel of panoramic sound audio and a channel of the vehicle-mounted playing device; the control module is used for controlling the vehicle-mounted playing equipment to play the panoramic sound audio based on the play mapping relation; Wherein, when the target playing mode is a front-row playing mode, the playing mapping relation includes: The first left parameter channel of the panoramic sound audio is mapped to a second left parameter channel arranged in the front row of the vehicle in the vehicle-mounted playing equipment, the first right parameter channel of the panoramic sound audio is mapped to a second right parameter channel arranged in the front row of the vehicle in the vehicle-mounted playing equipment, and the middle-set channel of the panoramic sound audio is mapped to a first middle-set channel arranged in the front row of the vehicle in the vehicle-mounted playing equipment, wherein the second left parameter channel at least comprises a left front door channel, and the second right parameter channel at least comprises a right front door channel; In the case that the target playing mode is a back-row playing mode, the playing mapping relationship includes: the first left parameter channel is mapped to a third left parameter channel arranged at the rear row of the vehicle in the vehicle-mounted playing device, the first right parameter channel is mapped to a third right parameter channel arranged at the rear row of the vehicle in the vehicle-mounted playing device, wherein the third left parameter channel at least comprises a left back door channel, and the third right parameter channel at least comprises a right back door channel; the control module is specifically configured to: After the contents of at least two left parameter channels in the first left parameter channel are combined, playing through one channel in the corresponding second left parameter channel or third left parameter channel, so as to reduce the loss of the azimuth sense of panoramic audio sound in a down-mixing mode; And/or; And after the contents of at least two right parameter channels in the first right parameter channel are combined, playing through one channel in the corresponding second right parameter channel or third right parameter channel, so that the loss of the azimuth sense of panoramic audio sound is reduced in a downmixing mode.
  11. 11. An in-vehicle playback apparatus comprising a processor, a player, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the steps of the channel mapping method as recited in any one of claims 1 to 9.
  12. 12. A vehicle comprising the in-vehicle playback apparatus according to claim 11, and at least one speaker corresponding to each channel of the in-vehicle playback apparatus.
  13. 13. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implement the steps of the channel mapping method according to any of claims 1 to 9.

Description

Sound channel mapping method, device, vehicle-mounted playing equipment, vehicle and storage medium Technical Field The disclosure relates to the technical field of intelligent automobiles, in particular to a sound channel mapping method, a sound channel mapping device, vehicle-mounted playing equipment, a vehicle and a storage medium. Background With the increasing functions of automobiles, people's demands on automobiles are not just a walking tool, and more entertainment devices are introduced into vehicle-mounted systems, wherein vehicle-mounted playing devices are more favored by users. However, with continuous optimization of the automobile playing device, the simple full automobile playing audio signal cannot meet the requirements of users. Therefore, the existing automobile is generally divided into a front-row playing mode and a rear-row playing mode, that is, the front-row playing mode only works on the sound channels arranged on the front row of the automobile, the sound channels arranged on the rear row of the automobile do not work, the front-row playing of audio signals is realized, and the rear row provides a relatively quiet space function. In contrast, the back-row playing mode is that the sound channels arranged at the back row of the vehicle work, the sound channels arranged at the front row of the vehicle do not work, the back-row playing of the audio signals is realized, and the front row provides a relatively quiet space function. At present, the panoramic sound playing effect can be realized when the panoramic sound audio is played in the full vehicle playing mode, however, the sound azimuth sense of the panoramic sound audio is seriously lost in the front-row playing mode or the rear-row playing mode. Disclosure of Invention The disclosure provides a sound channel mapping method, a device, vehicle-mounted playing equipment, a vehicle and a storage medium, which can comprehensively diagnose a vehicle fault so as to solve the problem that in the prior art, when the vehicle is in a front-row playing mode or a rear-row playing mode, the sound azimuth sense of panoramic sound frequency is seriously lost. According to a first aspect of the embodiment of the application, a sound channel mapping method is provided and applied to vehicle-mounted playing equipment, and the method comprises the steps of obtaining a target playing mode of the vehicle-mounted playing equipment, determining a playing mapping relation of the vehicle-mounted playing equipment according to the target playing mode, wherein the playing mapping relation is used for indicating the corresponding relation between a sound channel of panoramic sound audio and the sound channel of the vehicle-mounted playing equipment; wherein, when the target playing mode is the front-row playing mode, the playing mapping relation comprises: The first left parameter channel of the panoramic sound audio is mapped to a second left parameter channel arranged at the front row of the vehicle in the vehicle-mounted playing device, the first right parameter channel of the panoramic sound audio is mapped to a second right parameter channel arranged at the front row of the vehicle in the vehicle-mounted playing device, wherein the second left parameter channel at least comprises a left front door channel, and the second right parameter channel at least comprises a right front door channel, or In the case that the target play mode is the back-row play mode, the play mapping relationship includes: The first left parameter channel is mapped to a third left parameter channel arranged at the rear row of the vehicle in the vehicle-mounted playing device, the first right parameter channel is mapped to a third right parameter channel arranged at the rear row of the vehicle in the vehicle-mounted playing device, wherein the third left parameter channel at least comprises a left back door channel, and the third right parameter channel at least comprises a right back door channel. Optionally, in the case that the target playing mode is a front-row playing mode, the playing mapping relationship further includes: If the front row of the vehicle is provided with a first center channel, the center channel of the panoramic sound audio is mapped to the first center channel, and if the front row of the vehicle is not provided with the center channel, the center channel of the panoramic sound audio is mapped to the left front door channel and the right front door channel. Optionally, in the case that the target playing mode is a front-row playing mode, the playing mapping relationship further includes: If the front row of the vehicle is provided with a first bass gun channel, the bass gun channel of the panoramic sound audio is mapped to the first bass gun channel, and if the front row of the vehicle is not provided with the bass gun channel, the bass gun channel of the panoramic sound audio is mapped to the left front door channel and the right front door channel. Opt