CN111294770B - Vehicle-mounted voice control method, device, equipment and computer readable medium - Google Patents
Vehicle-mounted voice control method, device, equipment and computer readable medium Download PDFInfo
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- CN111294770B CN111294770B CN201811484705.XA CN201811484705A CN111294770B CN 111294770 B CN111294770 B CN 111294770B CN 201811484705 A CN201811484705 A CN 201811484705A CN 111294770 B CN111294770 B CN 111294770B
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
Abstract
The embodiment of the invention discloses a vehicle-mounted voice control method, a device, equipment and a computer readable medium, and relates to the technical field of vehicles, wherein the method comprises the steps of receiving a switching command from HU to a BACKUP channel or to an RTP channel; opening a BACKUP path between the CS and the hardware device according to a switching command for switching to the BACKUP path; and opening the RTP passage between the CS and the HU according to the switching command for switching to the RTP passage.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicles, in particular to a vehicle-mounted voice control method, a device, equipment and a computer readable medium.
Background
The vehicle control unit (HU) itself has multimedia functions, and besides the entertainment of local media, it is also required to acquire voice data of the communication module assembly (TBOX) through a real-time transport protocol (RTP) path, so as to implement a multi-path voice system. With the development of vehicle-mounted technology and communication technology, the novel vehicle-mounted voice system realizes a multi-path voice system by audio CODECs (CODECs) of HU and TBOX. The multipath voice system is based on the HU+TBOX architecture, voice data consists of voice original code stream acquired by HU through RTP channel and BACKUP (BACKUP) voice based on TBOX itself, so that paralysis of the whole vehicle-mounted voice system caused by voice fault of one path can be avoided, and reliability of the vehicle-mounted voice system is improved.
The technical situation of realizing the multipath voice system under the existing vehicle-mounted voice system architecture is as follows: the hardware resources of the voice module are limited, and only one voice is supported by the voice module; after the voice module call is established, a loudspeaker (peak) or a Microphone (MIC) of the voice module is in a working state, namely a voice channel is directly established between a network side and the PCM hardware equipment; if the HU needs to acquire the VOICE stream at the TBOX side, firstly, the BACKUP VOICE (BACKUP VOICE) is successfully established, and only if the BACKUP VOICE is successfully established, the HU can acquire the original PCM code stream on the VOICE channel and then sends the PCM code stream to the HU end through the RTP protocol.
Based on the above state of the art, when the HU end needs to implement RTP VOICE function, it will cause BACKUP VOICE and RTP VOICE to take effect simultaneously.
Disclosure of Invention
The embodiment of the invention provides a vehicle-mounted voice control method, device, equipment and a computer readable medium, which solve the problem that when an RTP voice function is realized, the BACKUP voice and the RTP voice take effect simultaneously.
The embodiment of the invention provides a vehicle-mounted voice control method, which comprises the following steps:
receiving a switching command from the vehicle-mounted control unit HU for switching to a BACKUP path or to a real-time transport protocol RTP path;
opening a BACKUP path between the circuit switching domain CS and the hardware equipment according to a switching command for switching to the BACKUP path;
and opening the RTP passage between the CS and the HU according to the switching command for switching to the RTP passage.
The embodiment of the invention provides a vehicle-mounted voice control device, which comprises:
a switching command receiving module for receiving a switching command from the in-vehicle control unit HU to switch to a BACKUP path or to switch to an RTP path;
a BACKUP path processing module for opening a BACKUP path between the circuit switched domain CS and the hardware device according to a switch command to switch to the BACKUP path;
and the RTP passage processing module is used for opening the RTP passage between the CS and the HU according to the switching command for switching to the RTP passage.
The embodiment of the invention provides a vehicle-mounted voice control device, which comprises: the system comprises a processor and a memory, wherein the memory stores a vehicle-mounted voice control program which can run on the processor, and the vehicle-mounted voice control program realizes the steps of the vehicle-mounted voice control method when being executed by the processor.
The embodiment of the invention provides a computer readable medium, on which a vehicle-mounted voice control program is stored, wherein the vehicle-mounted voice control program realizes the steps of the vehicle-mounted voice control method when being executed by a processor.
The embodiment of the invention effectively solves the problem that multiple paths of voices are simultaneously effective by switching voice paths under the condition of limited hardware PCM resources, and avoids that the BACKUP voices and the RTP voices are simultaneously effective when the RTP voice function is realized.
Drawings
FIG. 1 is a flow chart diagram of a vehicle-mounted voice control method provided by an embodiment of the invention;
FIG. 2 is a schematic block diagram of a vehicle-mounted multi-path speech control system according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of a vehicle-mounted voice system provided by an embodiment of the present invention;
FIG. 4 is a block diagram of an implementation of the telephone set-up and path switching of a virtual PCM device provided by an embodiment of the present invention;
FIG. 5 is a detailed flowchart of a vehicle-mounted voice control method provided by an embodiment of the present invention;
FIG. 6 is a schematic block diagram of a vehicle-mounted voice control apparatus according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of a vehicle-mounted voice control apparatus according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings, and it is to be understood that the embodiments described below are merely illustrative and explanatory of the invention, and are not restrictive of the invention. The terms "comprising," "including," "having," "containing," and the like, as used herein, are open-ended terms, meaning including, but not limited to.
The embodiment of the invention prevents the voice stream from directly flowing to the hardware equipment and the RTP module through the switching control of the BACKUP channel and the RTP channel, thereby avoiding the simultaneous effect of the vehicle-mounted multipath voice.
Fig. 1 is a flow chart of a vehicle-mounted voice control method according to an embodiment of the present invention, as shown in fig. 1, the method may include:
step S101: a switch command from HU to switch to the BACKUP path or to switch to the RTP path is received.
The T-BOX receives the switch command from a HU voice switch module of the HU.
Step S102: and opening the BACKUP path between the CS and the hardware device according to the switching command for switching to the BACKUP path.
In one embodiment, the T-BOX opens the BACKUP path by controlling a BACKUP switch preset on the BACKUP path.
On the basis of the implementation mode, the BACKUP switch is arranged between the hardware device and the virtual device, and the virtual device can prevent the voice stream from directly flowing to the hardware device.
In this embodiment, the T-BOX opens a voice path between the virtual device and the hardware device by controlling the BACKUP switch, thereby obtaining a BACKUP path formed by the established voice path between the CS and the virtual device and the opened voice path between the virtual device and the hardware device.
It should be noted that, during the period when the T-BOX controls the BACKUP path to be opened, the RTP path needs to be controlled to be closed, that is, the T-BOX closes the voice path between the virtual device and the HU by controlling the RTP switch, so as to close the RTP path.
On the basis of the above embodiment, the method may further include: the T-BOX transmits a voice stream using the opened BACKUP path.
Step S103: and opening the RTP passage between the CS and the HU according to the switching command for switching to the RTP passage.
In one embodiment, the T-BOX opens the RTP path by controlling an RTP switch preset on the RTP path.
On the basis of the above embodiment, the RTP switch is disposed between the HU and the virtual device, and the virtual device can avoid the voice stream from directly flowing to the HU.
In this embodiment, the T-BOX opens a voice path between the virtual device and the HU by controlling the RTP switch, thereby obtaining an RTP path formed by the established voice path between the CS and the virtual device and the opened voice path between the virtual device and the HU.
It should be noted that, during the time when the T-BOX controls the RTP path to be opened, it is necessary to control the BACKUP path to be closed, that is, the T-BOX closes the voice path between the virtual device and the hardware device by controlling the BACKUP switch, thereby closing the BACKUP path.
On the basis of the above embodiment, the method may further include: the T-BOX transmits a voice stream using the RTP path that has been opened.
In the embodiment of the invention, when the BACKUP channel and the RTP channel are switched and controlled, virtual equipment can be adopted or not. When the implementation is carried out, if the implementation mode with the virtual equipment is adopted, the T-BOX needs to add the virtual equipment into a kernel DTSI configuration file and a voice code, the virtual equipment is combined with the BACKUP switch and the RTP switch, the BACKUP channel and the RTP channel are switched, and the voice stream is prevented from directly flowing to the hardware equipment and the HU, so that two paths of voices are prevented from being simultaneously effective.
The embodiment of the invention realizes that only the voice of the RTP channel or the voice of the BACKUP channel is effective at the same time by switching the voice channels.
An embodiment of the present invention will be described in detail below with reference to fig. 2 to 5, taking an embodiment using a virtual device as an example.
For the situation that the hardware PCM resources (or physical PCM devices, PCM hardware, actual devices and hardware devices) are limited, simulating a PCM virtual hardware device (or virtual PCM hardware, virtual PCM devices and virtual devices) on a T-BOX end, and transforming the original direct voice paths of CS and actual hardware into two parts: the path between CS and virtual device, and the path between virtual device and real device controlled by the switch. During communication, a VOICE channel between the virtual PCM device and the network side VOICE (or the network side CS_VOICE and the network side CS VOICE) is established, and then the switch between the virtual device and the actual hardware and between the virtual device and the RTP module is controlled according to the switching command sent by the HU, so that the VOICE stream is prevented from directly flowing to the hardware device and the RTP module, and the simultaneous effect of vehicle-mounted multipath VOICE is avoided.
Fig. 2 is a schematic block diagram of a vehicle-mounted multi-path voice control system according to an embodiment of the present invention. In the vehicle-mounted voice system with a single channel, the HU does not have a wireless communication function, does not acquire voice flow of a TBOX end, and performs voice control only through an interface provided by a module. The call is completed independently by TBOX itself, as in the BACKUP voice V01 shown in fig. 2. The HU itself has a media entertainment system and in order to make speech more reliable, it is necessary to implement multiple speech functions. In the multi-path vehicle-mounted voice system, one path of original voice PCM stream of the HU acquisition module is realized at the HU end, the voice stream of the other path of TBOX module end is used as a BACKUP, and the voice stream is realized at the TBOX module end, so that the multi-path voice control system of RTP voice V02 and BACKUP voice V01 shown in fig. 2 is formed.
Fig. 3 is a schematic block diagram of a vehicle-mounted voice system according to an embodiment of the present invention, and as shown in fig. 3, the vehicle-mounted voice system includes a voice control unit T02 at a TBOX end and a voice control unit T01 at a HU end.
The control of the TBOX end comprises two parts of virtual PCM hardware and a TBOX voice management module, wherein the TBOX voice management module is responsible for interacting with the HU end and controlling the path to which voice flow on the virtual PCM hardware device flows. Virtual PCM hardware devices can avoid voice streams arriving directly at the voice hardware, but are controlled by TBOX voice management according to the path.
The voice control unit of the HU end comprises a vehicle-mounted control system self-checking system, a HU voice switching module and a HU RTP voice stream module (or RTP module), and is responsible for power-on self-checking to determine which path of voice is effective and is responsible for receiving and sending voice streams.
The workflow of the vehicle-mounted voice system comprises the following steps: and after the self-checking system of the vehicle-mounted control system is powered on for self-checking and the system is determined to be fault-free, the HU voice switching module determines which path of voice is effective and sends a corresponding switching command to the TBOX voice management module. If the TBOX voice management module receives a switching command for switching to a BACKUP channel, the channel between the virtual PCM hardware and the actual hardware is controlled to be closed, namely, the joint c and the joint d in the figure 3 are connected, so that the voice stream passes through the channel between the virtual PCM hardware and the actual hardware. If the TBOX voice management module receives a switching command for switching to the RTP channel, the channel between the virtual PCM hardware and the HU RTP voice stream module is controlled to be closed, namely, the joint a and the joint b in the figure 3 are connected, so that the voice stream passes through the channel between the virtual PCM hardware and the HU RTP voice stream module.
Fig. 4 is a block diagram of the implementation of the telephone establishment and the path switching of the virtual PCM device according to the embodiment of the present invention, as shown in fig. 4.
In a voice system without virtual PCM devices, the established voice path is as follows:
network side voice cs_voice D01— > physical AUX PCM device D03.
Under the system of adding the virtual PCM equipment, the established voice path is as follows:
network side voice cs_voice D01 — virtual PCM device D02-physical AUX PCM device D03.
Wherein the voice path between the virtual PCM device D02 and the physical AUX PCM device D03 is controllable by means of a switch.
Wherein the voice path between the RTP voice and the virtual PCM device D02 is controllable by means of a switch.
Based on this, when the HU realizes RTP voice, a voice channel between the network side voice cs_voice D01 and the virtual PCM device D02 is established first, after the channel is established, the HU can acquire the PCM code stream on the voice channel between the network side voice cs_voice D01 and the virtual PCM device D02, and the voice channel between the default physical AUX PCM device D03 and the virtual PCM device D02-is disconnected, so that the RTP voice of the HU end is ensured to be effective.
The implementation steps may include:
step S401, adding virtual PCM device D02 in the kernel DTSI configuration file and the voice code.
Step S402, when the TBOX receives the HU switching command as a BACKUP channel, a voice channel established between the virtual PCM device and the physical PCM device is opened, and the RTP channel is in a closed state.
Step S403, when the TBOX receives the HU switching command as the RTP channel, the channel between the virtual PCM device D02 and the HU is opened, and the RTP voice channel is established.
Fig. 5 is a detailed flowchart of a vehicle-mounted voice control method according to an embodiment of the present invention, as shown in fig. 5, where the method may include:
step S501: after the vehicle-mounted system is electrified, the HU terminal self-checking system is started.
Step S502: the HU will check if the peak and MIC paths are normal and enter standby. If normal, step S503b is performed, otherwise, step S503a is performed.
Step S503a: the HU sends a switch path command 0.
Step S503b: the HU sends a switch path command 1.
When the HU end self-test system loops back to detect that the RTP voice channel is unsuccessful, the HU sends a command to start the BACKUP channel. It should be noted that when TBOX wakes up before HU, for example, a voice call wakes up. The module end will preferentially start the BACKUP voice path.
According to the detection result, the HU voice switching module sends a corresponding switching command, and the embodiment of the invention agrees with a BACKUP channel represented by 0 and an RTP channel represented by 1.
Step S504: the T-BOX voice control interface processes the received command.
Step S505: the voice management module at the TBOX end analyzes whether the path type is 0 or 1, i.e. is a BACKUP path or an RTP path, if 0, step S506a is executed, otherwise step S506b is executed.
Step S506a: when the received command is 0, the paths of the virtual PCM device and the real PCM device are started.
Step S506b: when a command 1 is received, a voice path between the virtual PCM device and RTP is started.
Step S507: and establishing a voice call.
Fig. 6 is a schematic block diagram of a vehicle-mounted voice control apparatus according to an embodiment of the present invention, where, as shown in fig. 6, the apparatus may include: the switching command receiving module 61, the BACKUP path processing module 62, and the RTP path processing module 63 may be implemented by the T-BOX voice management module of fig. 3.
The switching command receiving module 61 is configured to receive a switching command from the HU to switch to a BACKUP path or to switch to an RTP path.
In one embodiment, the handover command receiving module 61 receives the handover command from a HU voice handover module of the HU.
The BACKUP path processing module 62 is configured to open a BACKUP path between the CS and the hardware device according to a switch command to switch to the BACKUP path.
In one embodiment, the BACKUP path processing module 62 opens the BACKUP path by controlling a BACKUP switch preset on the BACKUP path.
On the basis of the implementation mode, the BACKUP switch is arranged between the hardware device and the virtual device, and the virtual device can prevent the voice stream from directly flowing to the hardware device.
In this embodiment, the BACKUP path processing module 62 opens the voice path between the virtual device and the hardware device by controlling the BACKUP switch, thereby obtaining a BACKUP path formed by the established voice path between the CS and the virtual device and the opened voice path between the virtual device and the hardware device.
On the basis of the above embodiment, the BACKUP path processing module 62 is also configured to transmit a voice stream using the opened BACKUP path.
The RTP path processing module 63 is configured to open an RTP path between the CS and the HU according to a switching command for switching to the RTP path.
In one embodiment, the RTP path processing module 63 opens the RTP path by controlling an RTP switch preset on the RTP path.
On the basis of the above embodiment, the RTP switch is disposed between the HU and the virtual device, and the virtual device can avoid the voice stream from directly flowing to the HU.
In this embodiment, the RTP path processing module 63 opens the voice path between the virtual device and the HU by controlling the RTP switch, thereby obtaining an RTP path formed by the established voice path between the CS and the virtual device and the opened voice path between the virtual device and the HU.
The RTP path processing module 63 is further configured to transmit a voice stream using the opened RTP path based on the above embodiment.
It should be noted that the RTP path processing module 63 needs to control the RTP path to be closed during the time when the BACKUP path processing module 62 controls the BACKUP path to be opened. Conversely, during the RTP path processing module 63 controlling the RTP path to open, the BACKUP path processing module 62 needs to control the BACKUP path to close. Therefore, by switching voice channels, the voice effect of only the RTP channel or the voice effect of the BACKUP channel at the same time is realized.
Fig. 7 is a schematic block diagram of a vehicle-mounted voice control apparatus according to an embodiment of the present invention, as shown in fig. 7, where the apparatus includes: a processor 71 and a memory 72, wherein the memory 72 stores a vehicle-mounted voice control program which can be run on the processor, and the vehicle-mounted voice control program realizes the steps of the vehicle-mounted voice control method when being executed by the processor 71.
The embodiment of the invention also provides a computer readable medium, on which a vehicle-mounted voice control program is stored, and the steps of the vehicle-mounted voice control method are realized when the vehicle-mounted voice control program is executed by a processor.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, functional modules/units in the apparatus, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between the functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed cooperatively by several physical components. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
The embodiment of the invention effectively solves the problem that multiple paths of voices take effect simultaneously by switching the voice channels, and improves the user experience.
Although the present invention has been described in detail hereinabove, the present invention is not limited thereto and various modifications may be made by those skilled in the art in accordance with the principles of the present invention. Therefore, all modifications made in accordance with the principles of the present invention should be understood as falling within the scope of the present invention.
Claims (10)
1. A vehicle-mounted voice control method, characterized in that the method comprises:
receiving a switching command from a vehicle-mounted control unit HU for switching to a BACKUP path or to a real-time transport protocol RTP path, wherein the BACKUP path and the RTP path are used for transmitting a voice stream of a circuit switched domain CS, and the BACKUP path and the RTP path are connected with the circuit switched domain CS through virtual equipment;
opening the BACKUP path between the circuit switching domain CS and a hardware device according to a switching command for switching to the BACKUP path;
and opening the RTP passage between the CS domain and the HU according to a switching command for switching to the RTP passage.
2. The method of claim 1, wherein the opening a BACKUP path between the CS and the hardware device comprises:
and opening the BACKUP path by controlling a BACKUP switch preset on the BACKUP path.
3. The method according to claim 2, wherein the BACKUP switch is provided between the hardware device and a virtual device for avoiding a voice stream from directly flowing to the hardware device or the HU, and wherein opening the BACKUP path by controlling the BACKUP switch provided in advance on the BACKUP path comprises:
and opening a voice path between the virtual device and the hardware device by controlling the BACKUP switch to obtain a BACKUP path formed by the established voice path between the CS and the virtual device and the opened voice path between the virtual device and the hardware device.
4. A method according to any one of claims 1-3, characterized in that after said opening a BACKUP path between CS and a hardware device, it further comprises:
and transmitting the voice stream by using the opened BACKUP channel.
5. A method according to claim 3, wherein said opening an RTP path between a CS and said HU comprises:
and opening the RTP passage by controlling an RTP switch preset on the RTP passage.
6. The method of claim 5, wherein the RTP switch is disposed between the HU and the virtual device, and wherein opening the RTP path by controlling an RTP switch preset on the RTP path comprises:
and opening a voice channel between the virtual device and the HU by controlling the RTP switch to obtain an RTP channel formed by the established voice channel between the CS and the virtual device and the opened voice channel between the virtual device and the HU.
7. The method of any one of claims 1, 5, 6, wherein after said opening an RTP path between a CS and said HU, the method further comprises:
and transmitting the voice stream by using the opened RTP channel.
8. An in-vehicle voice control apparatus, characterized by comprising:
a switching command receiving module, configured to receive a switching command from an on-vehicle control unit HU for switching to a BACKUP path or to an RTP path, where the BACKUP path and the RTP path are used for transmitting a voice stream of a circuit switched domain CS, and the BACKUP path and the RTP path are connected to the circuit switched domain CS through a virtual device;
a BACKUP path processing module for opening the BACKUP path between the circuit switched domain CS and a hardware device according to a switching command to switch to the BACKUP path;
and the RTP channel processing module is used for opening the RTP channel between the circuit switching domain CS and the HU according to the switching command for switching to the RTP channel.
9. An in-vehicle voice control apparatus, the apparatus comprising: a processor and a memory, characterized in that the memory has stored thereon a vehicle-mounted voice control program executable on the processor, which when executed by the processor, implements the steps of the vehicle-mounted voice control method according to any one of claims 1 to 7.
10. A computer-readable medium, characterized in that it has stored thereon an in-vehicle voice control program which, when executed by a processor, implements the steps of the in-vehicle voice control method according to any one of claims 1 to 7.
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| CN201811484705.XA CN111294770B (en) | 2018-12-06 | 2018-12-06 | Vehicle-mounted voice control method, device, equipment and computer readable medium |
| PCT/CN2019/120630 WO2020114270A1 (en) | 2018-12-06 | 2019-11-25 | Vehicle-mounted voice control method and apparatus, device, and computer readable medium |
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| CN103067627A (en) * | 2013-01-31 | 2013-04-24 | 厦门亿联网络技术股份有限公司 | Multichannel conversation fast-switching method based on VoIP (Voice over Internet Phone) system |
| CN107277612A (en) * | 2016-04-05 | 2017-10-20 | 韩华泰科株式会社 | Method and apparatus for playing Media Stream in web browser |
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| CN111294770A (en) | 2020-06-16 |
| WO2020114270A1 (en) | 2020-06-11 |
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