WO2022110259A1 - Procédé de génération de vibrations, procédé de commande de vibrations et dispositif associé - Google Patents

Procédé de génération de vibrations, procédé de commande de vibrations et dispositif associé Download PDF

Info

Publication number
WO2022110259A1
WO2022110259A1 PCT/CN2020/133228 CN2020133228W WO2022110259A1 WO 2022110259 A1 WO2022110259 A1 WO 2022110259A1 CN 2020133228 W CN2020133228 W CN 2020133228W WO 2022110259 A1 WO2022110259 A1 WO 2022110259A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
note
audio
energies
energy
Prior art date
Application number
PCT/CN2020/133228
Other languages
English (en)
Chinese (zh)
Inventor
郑亚军
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声光电科技(常州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声光电科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022110259A1 publication Critical patent/WO2022110259A1/fr

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0008—Associated control or indicating means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/40—Rhythm
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/032—Reciprocating, oscillating or vibrating motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/02—Arrangements for regulating or controlling the speed or torque of electric DC motors the DC motors being of the linear type

Definitions

  • the present invention relates to the technical field of vibration drive, and in particular, to a vibration generation method and device thereof, a vibration control method and system thereof, an electronic device and a storage medium.
  • a vibration motor is provided in the music playing device, and when the music is playing, the motor is controlled to vibrate so that the music playing device produces a haptic vibration effect.
  • the present invention provides a vibration generation method, the method includes:
  • a haptic vibration file corresponding to the audio signal is generated from a plurality of the normalized energies.
  • the acquiring a plurality of note energies of the audio signal according to the audio beat includes:
  • the step of obtaining the note energy of each of the notes includes:
  • the note energy of each of the notes is obtained by calculation.
  • performing normalization preprocessing on a plurality of the note energies respectively, and obtaining a plurality of normalized energies includes:
  • the normalized energy corresponding to each of the notes is obtained according to the maximum value of the energy of the multiple notes and the note energy of each of the notes.
  • the step of generating a haptic vibration file corresponding to the audio signal according to the normalized energy includes:
  • a haptic vibration file corresponding to the audio signal is generated.
  • the present invention provides a vibration control method, the vibration control method includes the steps of the vibration generation method of the present invention, and further includes:
  • the motor is driven to vibrate to generate a haptic vibration effect.
  • the present invention provides a vibration generating device, comprising:
  • an audio processing module for identifying audio beats in the audio signal
  • the calculation processing module is used for obtaining multiple note energies of the audio signal according to the audio beat; for performing normalization preprocessing on the multiple note energies respectively, and obtaining multiple normalized energies, wherein the The note energy is set in a one-to-one correspondence with the normalized energy; it is used for generating a haptic vibration file corresponding to the audio signal according to a plurality of the normalized energy.
  • the present invention provides a vibration control system, which includes:
  • the vibration generating device of the present invention is used for inputting a tactile vibration file
  • a tactile vibration identification module for extracting the tactile vibration points in the tactile vibration file, and also for generating a vibration driving voltage corresponding to the tactile vibration points according to each of the tactile vibration points;
  • a vibration unit configured to vibrate according to the vibration driving voltage to generate a haptic vibration effect.
  • the present invention provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the steps of the vibration generating method of the present invention and/or the steps of the present invention are implemented.
  • the present invention provides a computer-readable storage medium on which a computer program is stored, characterized in that, when the computer program is executed by a processor, the steps of the vibration generating method of the present invention and/or the steps of the vibration generation method of the present invention are implemented. The steps of the vibration control method.
  • the above-mentioned vibration generation method and device thereof calculate and process the note energy of each note by a normalization optimization algorithm to obtain the normalized energy of each note, and generate a tactile vibration file corresponding to the audio signal according to the normalized energy , the tactile vibration effect and the beat of the audio signal are flexibly matched.
  • the normalized energy of each note is higher than the note energy of the note, the problem of insufficient local audio intensity is effectively avoided, and the haptic vibration effect and audio signal are improved.
  • the accuracy of matching the beats of each other, and the coordination between auditory perception and tactile perception is good, which provides conditions for improving the user's listening experience; in addition, the above vibration generation method is applied to the vibration control method and its system, When the audio signal is played, the above-mentioned vibration control method and system thereof can generate a tactile vibration effect according to the tactile vibration file, and the tactile vibration effect is highly matched with the beat of the audio signal, which improves the coordination between the user's auditory experience and tactile experience, Effectively improve the user's listening experience.
  • Fig. 1 is the schematic flow chart of the vibration generation method of the present invention
  • Fig. 2 is the schematic flow chart of step S24 of Fig. 1;
  • step S28 in FIG. 1 is a schematic flowchart of step S28 in FIG. 1;
  • Fig. 5 is the structural block diagram of the vibration generating device of the present invention.
  • FIG. 6 is a structural block diagram of the vibration control system of the present invention.
  • the present invention provides a vibration generation method, comprising the following steps:
  • Step 22 identifying the audio beat in the audio signal.
  • Step 24 Acquire multiple note energies of the audio signal according to the audio beat.
  • Step 26 Perform normalization preprocessing on a plurality of the note energies respectively to obtain a plurality of normalized energies; wherein the note energies and the normalized energies are set in a one-to-one correspondence.
  • Step 28 Generate a haptic vibration file corresponding to the audio signal according to the plurality of normalized energies.
  • the above vibration generation method calculates and processes the note energy of each note through a normalization optimization algorithm to obtain the normalized energy of each note, and generates a corresponding audio signal according to the normalized energy.
  • the haptic vibration file realizes the flexible matching of the haptic vibration effect and the beat of the audio signal.
  • the normalized energy of each note is higher than the note energy of the note, the problem of insufficient local audio intensity is effectively avoided, and the haptic vibration effect is improved.
  • the accuracy of matching with the beat of the audio signal, and the coordination between the auditory feeling and the tactile feeling are good, which is beneficial to improve the user's listening experience.
  • Step S22 identifying the audio beat in the audio signal.
  • a signal preprocessing process can be added according to actual needs, and the signal preprocessing process is: importing an audio file, acquiring the audio signal of the audio file, extracting the audio feature information of the audio signal, according to the The audio feature information identifies beat moments of a plurality of beat points, and obtains an audio beat sequence Bp from the audio signal according to the beat moments of the plurality of beat points, and the audio beat sequence Bp includes a plurality of audio beats.
  • Step S24 Acquire multiple note energies of the audio signal according to the audio beat.
  • the step S24 includes:
  • Step S241 Acquire multiple notes in the audio beat according to a preset time interval; wherein, the time interval between two adjacent notes is the preset time interval, denoted as T 0 .
  • the preset time interval T 0 can be specifically determined according to the actual application situation, and the notes in the same audio beat are represented as T(n), where n is the same audio frequency
  • the number of notes in a beat for example, in this embodiment, the preset time interval is specifically set to be a quarter of the duration of a beat, that is, it is equivalent to that there are four notes with the same time interval in each beat.
  • n represents the 1st, 2nd, 3rd, and 4th note numbers in the same audio beat
  • the first to fourth notes in the same audio beat are represented as T(1), T(2), T( 3), T(4).
  • Step S242 acquiring the note energy of each of the notes.
  • the note energy in the same audio beat is represented as P 0 (n), and in this embodiment, the note energy of the first to fourth notes in the same audio beat is represented as P 0 (1 ), P 0 (2), P 0 (3), P 0 (4).
  • step S242 within the same audio beat, the note energy of each of the notes is calculated and obtained according to the amplitude of the audio signal corresponding to each of the notes. Meanwhile, before step S242, the sampling rate of the audio signal needs to be detected in advance, which is denoted as f s .
  • X 0 (t n ) is the amplitude of the audio signal corresponding to the time t n of the nth note
  • X 0 (t n+k ) is the audio frequency corresponding to the time t n +k of the nth note.
  • the amplitude of the signal where time t n is the start time of the nth note, time tn +k is the end time of the nth note, k is the number of sampling points of the nth note, and T 0 is the adjacent two
  • the time interval of notes, f s is the sampling rate.
  • the second note T(2) of the third audio beat occurs at 3 seconds and lasts for 0.2 seconds (that is, the time interval T 0 is 0.2 seconds), and the signal sampling rate fs is 48000. in:
  • the step S242 may also select a specific calculation method of the note energy according to the actual situation.
  • Step S26 performing normalization preprocessing on a plurality of the note energies respectively to obtain a plurality of normalized energies; wherein the note energies and the normalized energies are set in a one-to-one correspondence.
  • the normalized energy in the same audio beat is represented as P(n), and in this embodiment, the normalized energy of the first to fourth notes in the same audio beat is represented as P in turn (1), P(2), P(3), P(4).
  • the normalized energy corresponding to each of the notes is obtained according to the maximum value of the energy of a plurality of the notes and the note energy of each of the notes.
  • P(n) represents the normalized energy corresponding to any note in the beat
  • max(P 0 (n)) represents the maximum note energy in the note energy sequence P 0 (n) in the same audio beat
  • max(P 0 (n)) is the maximum value among the note energies P 0 (1), P 0 (2), P 0 (3), and P 0 (4).
  • Step S28 generating a haptic vibration file corresponding to the audio signal according to a plurality of the normalized energies.
  • the step S28 includes:
  • Step S281 marking the note corresponding to the normalized energy higher than the preset energy threshold as a tactile vibration point.
  • the preset energy threshold value is expressed as Ph, and the value of the preset energy threshold value Ph can be specifically set according to the actual application.
  • the preset energy threshold Ph is set to 0.5 ⁇ max (P( n))
  • max(P(n)) represents the maximum normalized energy in the normalized energy sequence P(n) within the same audio beat, that is, the preset energy threshold Ph is set to be within the same audio beat One-half of the largest normalized energy in the normalized energy sequence P(n).
  • the distribution of the haptic vibration points on the audio signal can be made more uniform, and the haptic vibration can be evenly generated when the audio signal is played It avoids that the vibration frequency is too high and the vibration pain is caused to the user, and the vibration frequency is too low and the tactile vibration effect is not obvious, which effectively improves the user's tactile experience and makes the experience better.
  • Step S282 generating a haptic vibration file corresponding to the audio signal according to each of the haptic vibration points.
  • the present invention provides a vibration control method applying the above vibration generation method, and the vibration control method includes the following steps:
  • Step 302 extracting the haptic vibration points in the haptic vibration file.
  • Step 304 Generate a vibration driving voltage corresponding to each of the tactile vibration points according to each of the tactile vibration points.
  • Step 306 according to the vibration driving voltage, drive the motor to vibrate to generate a haptic vibration effect.
  • above-mentioned vibration control method when playing audio signal, above-mentioned vibration control method can produce tactile vibration effect according to tactile vibration file, this tactile vibration effect and the audio rhythm matching degree of audio signal are high, improve the user's auditory feeling and tactile feeling. It can effectively improve the user's listening experience.
  • steps in the flowcharts of FIGS. 1-4 are shown in sequence according to the arrows, these steps are not necessarily executed in the sequence shown by the arrows. Unless explicitly stated herein, the execution of these steps is not strictly limited to the order, and these steps may be performed in other orders. Moreover, at least a part of the steps in FIGS. 1-4 may include multiple steps or multiple stages. These steps or stages are not necessarily executed at the same time, but may be executed at different times. The execution of these steps or stages The order is also not necessarily sequential, but may be performed alternately or alternately with other steps or at least a portion of the steps or phases within the other steps.
  • the present invention provides a vibration generating device 100, which includes an audio processing module 101 and a calculation processing module 102, wherein:
  • the audio processing module 101 is used to identify the audio beat in the audio signal
  • the calculation processing module 102 is configured to obtain multiple note energies of the audio signal according to the audio beat; and is configured to perform normalization preprocessing on the multiple note energies to obtain multiple normalized energies, Wherein, the note energy and the normalized energy are set in a one-to-one correspondence; it is used for generating a haptic vibration file corresponding to the audio signal according to a plurality of the normalized energy.
  • the audio processing module 101 is further configured to acquire a plurality of notes in the audio beat according to a preset time interval, wherein the time interval between two adjacent said notes is the preset time interval;
  • the notes corresponding to the normalized energy above the preset energy threshold are marked as haptic vibration points.
  • the calculation processing module 102 is further configured to obtain a plurality of note energies of the audio signal according to the audio beat, specifically, to obtain the note energy of each of the notes; Perform normalization preprocessing respectively to obtain a plurality of normalized energies, wherein the note energy and the normalized energy are set in a one-to-one correspondence; it is used to generate a
  • the tactile vibration file corresponding to the audio signal specifically, used to identify the note corresponding to the normalized energy higher than the preset energy threshold is marked as a tactile vibration point, and is used to generate the corresponding tactile vibration point according to each of the tactile vibration points.
  • the haptic vibration file corresponding to the audio signal is further configured to obtain a plurality of note energies of the audio signal according to the audio beat, specifically, to obtain the note energy of each of the notes; Perform normalization preprocessing respectively to obtain a plurality of normalized energies, wherein the note energy and the normalized energy are set in a one-to-one correspondence; it is used to generate a
  • the present invention provides a vibration control system 200, which includes the above-mentioned vibration generating device 100, a tactile vibration recognition module 201, and a vibration unit 202, wherein:
  • the vibration generating apparatus 100 is used for inputting a haptic vibration file.
  • the tactile vibration identification module 201 is configured to extract the tactile vibration points in the tactile vibration file, and is also configured to generate a vibration driving voltage corresponding to the tactile vibration point according to each of the tactile vibration points.
  • the vibration unit 202 is configured to vibrate according to the vibration drive voltage to generate a tactile vibration effect; specifically, the structural form of the vibration unit 202 can be specifically selected according to the actual use situation, for example, in this embodiment,
  • the vibration unit 202 is a vibration motor.
  • each module in the above vibration generating device or vibration control system may be implemented in whole or in part by software, hardware and combinations thereof.
  • the above modules can be embedded in or independent of the processor in the computer device in the form of hardware, or stored in the memory in the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.
  • the present invention provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the steps of the vibration generating method of the present invention and/or the steps of the present invention are implemented.
  • the present invention provides a computer-readable storage medium on which a computer program is stored, characterized in that, when the computer program is executed by a processor, the steps of the vibration generating method of the present invention and/or the steps of the vibration generation method of the present invention are implemented. The steps of the vibration control method.
  • any reference to memory, storage, database or other media used in the various embodiments provided by the present invention may include at least one of non-volatile and volatile memory.
  • Non-volatile memory may include read-only memory (Read-Only Memory, ROM), magnetic tape, floppy disk, flash memory or optical memory, etc.
  • Volatile memory may include random access memory (Random Access Memory) Access Memory, RAM) or external cache memory.
  • RAM may take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (Dynamic Random Access Memory). Access Memory, DRAM), etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

L'invention concerne un procédé et un appareil de génération de vibrations, un procédé et un système de commande de vibrations, ainsi qu'un dispositif électronique et un support de stockage. Le procédé de génération de vibrations comprend les étapes suivantes : l'étape S22 consistant à identifier un battement audio dans un signal audio ; l'étape S24 consistant à obtenir une pluralité d'énergies de note du signal audio en fonction du battement audio ; l'étape S26 consistant à effectuer respectivement un prétraitement de normalisation sur la pluralité d'énergies de note afin d'obtenir une pluralité d'énergies normalisées ; et l'étape S28 consistant à générer, en fonction de la pluralité d'énergies normalisées, un fichier de vibration haptique correspondant au signal audio. En adoptant le procédé, l'effet de vibration haptique peut être mis en correspondance de manière flexible avec le battement du signal audio, et la précision de correspondance est élevée.
PCT/CN2020/133228 2020-11-24 2020-12-02 Procédé de génération de vibrations, procédé de commande de vibrations et dispositif associé WO2022110259A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011326608.5A CN112466267B (zh) 2020-11-24 2020-11-24 振动生成方法、振动控制方法及其相关设备
CN202011326608.5 2020-11-24

Publications (1)

Publication Number Publication Date
WO2022110259A1 true WO2022110259A1 (fr) 2022-06-02

Family

ID=74799354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/133228 WO2022110259A1 (fr) 2020-11-24 2020-12-02 Procédé de génération de vibrations, procédé de commande de vibrations et dispositif associé

Country Status (2)

Country Link
CN (1) CN112466267B (fr)
WO (1) WO2022110259A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114327040A (zh) * 2021-11-25 2022-04-12 歌尔股份有限公司 振动信号生成方法、装置、电子设备及存储介质
CN114995638A (zh) * 2022-05-12 2022-09-02 北京有竹居网络技术有限公司 触觉信号生成方法、装置、可读介质及电子设备
CN116185165B (zh) * 2022-06-17 2024-04-02 武汉市聚芯微电子有限责任公司 一种触觉生成方法、系统、设备以及计算机存储介质

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011048023A (ja) * 2009-08-25 2011-03-10 Pioneer Electronic Corp 体感振動生成装置および体感振動生成方法
CN108777747A (zh) * 2018-08-09 2018-11-09 瑞声科技(新加坡)有限公司 一种振动方法、移动终端和计算机可读存储介质
US20190005935A1 (en) * 2016-03-07 2019-01-03 Yamaha Corporation Sound signal processing method and sound signal processing apparatus
CN109670074A (zh) * 2018-12-12 2019-04-23 北京字节跳动网络技术有限公司 一种节奏点识别方法、装置、电子设备及存储介质
CN110010151A (zh) * 2018-12-31 2019-07-12 瑞声科技(新加坡)有限公司 一种音频信号处理方法及设备、存储介质
CN110215607A (zh) * 2019-05-31 2019-09-10 Oppo广东移动通信有限公司 基于电刺激的按摩方法和装置
CN111726684A (zh) * 2019-03-22 2020-09-29 腾讯科技（深圳）有限公司 一种音视频处理方法、装置及存储介质

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011048023A (ja) * 2009-08-25 2011-03-10 Pioneer Electronic Corp 体感振動生成装置および体感振動生成方法
US20190005935A1 (en) * 2016-03-07 2019-01-03 Yamaha Corporation Sound signal processing method and sound signal processing apparatus
CN108777747A (zh) * 2018-08-09 2018-11-09 瑞声科技(新加坡)有限公司 一种振动方法、移动终端和计算机可读存储介质
CN109670074A (zh) * 2018-12-12 2019-04-23 北京字节跳动网络技术有限公司 一种节奏点识别方法、装置、电子设备及存储介质
CN110010151A (zh) * 2018-12-31 2019-07-12 瑞声科技(新加坡)有限公司 一种音频信号处理方法及设备、存储介质
CN111726684A (zh) * 2019-03-22 2020-09-29 腾讯科技（深圳）有限公司 一种音视频处理方法、装置及存储介质
CN110215607A (zh) * 2019-05-31 2019-09-10 Oppo广东移动通信有限公司 基于电刺激的按摩方法和装置

Also Published As

Publication number Publication date
CN112466267B (zh) 2024-04-02
CN112466267A (zh) 2021-03-09

Similar Documents

Publication Publication Date Title
WO2022110259A1 (fr) Procédé de génération de vibrations, procédé de commande de vibrations et dispositif associé
US11961533B2 (en) Systems and methods for speech separation and neural decoding of attentional selection in multi-speaker environments
Stecker et al. An effect of temporal asymmetry on loudness
Lyon et al. Auditory representations of timbre and pitch
MX2023004330A (es) Generador de audio y métodos para generar una señal de audio y entrenamiento de un generador de audio.
US20170249957A1 (en) Method and apparatus for identifying audio signal by removing noise
US20220198891A1 (en) Vibration control apparatus, vibration control program, and vibration control method
CN114067827A (zh) 一种音频处理方法、装置及存储介质
US20120300941A1 (en) Apparatus and method for removing vocal signal
Swanson Pitch perception with cochlear implants
Koo et al. Music mixing style transfer: A contrastive learning approach to disentangle audio effects
JP7055406B2 (ja) 振動制御装置，振動制御プログラム，振動制御方法及び振動制御プログラムを記録したコンピュータ読み取り可能な記録媒体
CN109841232B (zh) 音乐信号中音符位置的提取方法和装置及存储介质
CN107925830A (zh) 听力假体声音处理
CN107708794A (zh) 具有耳蜗植入物的选择性刺激
WO2014042718A2 (fr) Procédés, systèmes et supports lisibles par ordinateur permettant de synthétiser des sons au moyen de paramètres de matériaux estimés
CN106844639B (zh) 音乐匹配运动的方法及系统
EP4120259A1 (fr) Procédés et systèmes de génération audio
US11601768B2 (en) Method of generating sounds for reducing an effect of tinnitus and tinnitus control instrument performing the same
Weger et al. Auditory perception of spatial extent in the horizontal and vertical plane
JP2022104960A (ja) 振動体感装置，方法，振動体感装置用プログラム及び振動体感装置用プログラムを記録したコンピュータ読み取り可能な記録媒体
EP4120258A1 (fr) Procédés et systèmes de génération audio
CN111326162B (zh) 一种声纹特征的采集方法和装置以及设备
WO2024047732A1 (fr) Dispositif de génération de stimulation acoustique, procédé de génération de stimulation acoustique et programme
EP4120262A1 (fr) Procédés et systèmes de génération audio

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20963147

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20963147

Country of ref document: EP

Kind code of ref document: A1