阅读说明：本技术 Kas音频处理系统 (KAS audio processing system ) 是由 张玮 蒋春华 李冬冬 杨泽 黄小哲 刘家利 于 2021-06-24 设计创作，主要内容包括：本发明属于音频处理领域,尤其是一种KAS音频处理系统,针对现有的只能混合输出,不能多声道的展现环绕声技术的问题,现提出如下方案,其包括分离模块、矩阵处理模块、重组模块、解码模块、信号还原模块、输出模块、第一提取模块、匹配模块、判断模块、修复模块、第二提取模块、计算模块、分类存储模块、记忆模块、设置模块、警示模块,所述分离模块与矩阵处理模块连接,矩阵处理模块与重组模块连接,重组模块与解码模块连接,所述解码模块与信号还原模块连接,信号还原模块与输出模块连接,本发明使驾乘者能够在车内的狭小空间内播放音乐时感受到家庭影院试的环绕声,及播放电影时有影院级的亲临现场的感受。(The invention belongs to the field of audio processing, in particular to a KAS audio processing system, aiming at the problem that the prior surround sound display technology which can only realize mixed output and can not realize multi-channel is provided, the invention provides a scheme which comprises a separation module, a matrix processing module, a recombination module, a decoding module, a signal restoration module, an output module, a first extraction module, a matching module, a judgment module, a repair module, a second extraction module, a calculation module, a classification storage module, a memory module, a setting module and a warning module, wherein the separation module is connected with the matrix processing module, the matrix processing module is connected with the recombination module, the recombination module is connected with the decoding module, the decoding module is connected with the signal restoration module, and the output module, the invention ensures that a driver can feel the surround sound of a family cinema trial when playing music in a narrow space in a car, and the feeling of visiting the scene at the movie stage when the movie is played.)

A KAS audio processing system, comprising a separation module, a matrix processing module, a recombination module, a decoding module, a signal restoration module, an output module, a first extraction module, a matching module, a judgment module, a repair module, a second extraction module, a calculation module, a classification storage module, a memory module, a setting module and a warning module, characterized in that the separation module is connected with the matrix processing module, the matrix processing module is connected with the recombination module, the recombination module is connected with the decoding module, the decoding module is connected with the signal restoration module, the signal restoration module is connected with the output module, the output module is connected with the first extraction module, the first extraction module is connected with the matching module, the matching module is connected with the judgment module, the judgment module is connected with the repair module, the repair module is connected with the second extraction module, the second extraction module is connected with the calculation module, the calculating module is connected with the classified storage module, the classified storage module is connected with the matching module, the matching module is connected with the warning module, the setting module is connected with the output module, the output module is connected with the memory module, and the memory module is connected with the classified storage module.

2. The KAS audio processing system according to claim 1, wherein the second extraction module includes a repair time extraction unit, a repair number extraction unit, and an identification classification unit, the repair time extraction unit being connected to the repair number extraction unit, and the repair number extraction unit being connected to the identification classification unit.

3. The KAS audio processing system according to claim 1, wherein the classification storage module includes an audio storage unit, a repair times storage unit, a repair time storage unit, and a repair frequency storage unit, the audio storage unit is connected to the repair times storage unit, the repair times storage unit is connected to the repair time storage unit, and the repair time storage unit is connected to the repair frequency storage unit.

4. The KAS audio processing system according to claim 1, wherein the first extracting module comprises a tone extracting unit, a temperament extracting unit and a sending unit which are connected in sequence, the matching module comprises a temporary storage unit, a matching unit and a comparison unit which are connected in sequence, the setting module comprises a login unit, a verification unit and a setting unit which are connected in sequence, and the warning module comprises an acousto-optic warning unit and an information warning unit.

5. A KAS audio processing system according to claim 1, wherein the separation module is configured to receive L, R binaural signals for separation, transmit the separated signals to the matrix processing module, and transmit the matrix processed signals to the recombination module.

6. The KAS audio processing system of claim 1, wherein the reassembly module is configured to reassemble the received matrix signal, transmit the reassembled matrix signal to the decoding module, decode the signal and transmit the decoded signal to the signal restoration module, the signal restoration module is configured to restore the signal, the restored signal is transmitted to the output module, and the output module is configured to perform multi-channel lossless output.

7. The KAS audio processing system according to claim 1, wherein the memorizing module memorizes the timbre and the melody of the outputted music and transmits the memorized timbre and the melody to the classification storing module, and the classification storing module stores the received data.

8. The KAS audio processing system according to claim 1, wherein the setting module is configured to set a usage period of music, and after the usage period is reached, the first extracting module extracts a tone and a melody of newly played music, and transmits the extracted tone and melody to the matching module, the matching module performs matching in the classification storage module, and compares the tone and melody after the matching is successful, and transmits a comparison result to the determining module, and the determining module is configured to determine whether two sets of tones and melodies at different periods are consistent, and if so, the two sets of tones and melodies can be used normally, and if not, the two sets of tones and melodies are inconsistent, and the repairing module transmits the repairing signal.

9. The KAS audio processing system according to claim 1, wherein the repairing module repairs the timbre and the melody of the outputted music, compares the timbre and the melody again after the repair, and warns the user when the comparison is inconsistent.

10. The KAS audio processing system according to claim 1, wherein the second extracting module is configured to extract the data of the repair time and the repair frequency, transmit the extracted data to the calculating module, calculate the repair frequency, and transmit the data of the extracted and repair frequency to the classification storage module for storage.

Technical Field

The invention relates to the technical field of audio processing, in particular to a KAS audio processing system.

Background

The audio signal output of the common automobile is directly amplified and output through an integrated chip inside the automobile, and the loudspeaker at each part of the audio signal output does not really exert the characteristics of the audio signal output, such as: bass, midrange, treble, midrange, bass, etc.

In the prior art, automobile audio signals are processed by DSP digital signals, but sound channels cannot be separated through a specific audio algorithm, so that a surround sound technology is realized.

Disclosure of Invention

The invention aims to solve the defects that the prior art only can mix output and cannot display surround sound with multiple channels, and provides a KAS audio processing system.

In order to achieve the purpose, the invention adopts the following technical scheme:

a KAS audio processing system comprises a separation module, a matrix processing module, a recombination module, a decoding module, a signal restoration module, an output module, a first extraction module, a matching module, a judgment module, a restoration module, a second extraction module, a calculation module, a classification storage module, a memory module, a setting module and a warning module, wherein the separation module is connected with the matrix processing module, the matrix processing module is connected with the recombination module, the recombination module is connected with the decoding module, the decoding module is connected with the signal restoration module, the signal restoration module is connected with the output module, the output module is connected with the first extraction module, the first extraction module is connected with the matching module, the matching module is connected with the judgment module, the judgment module is connected with the restoration module, the restoration module is connected with the second extraction module, and the second extraction module is connected with the calculation module, the calculating module is connected with the classified storage module, the classified storage module is connected with the matching module, the matching module is connected with the warning module, the setting module is connected with the output module, the output module is connected with the memory module, and the memory module is connected with the classified storage module.

Preferably, the second extraction module comprises a repair time extraction unit, a repair frequency extraction unit and an identification classification unit, the repair time extraction unit is connected with the repair frequency extraction unit, and the repair frequency extraction unit is connected with the identification classification unit.

Preferably, the classification storage module comprises an audio storage unit, a repair time storage unit and a repair frequency storage unit, the audio storage unit is connected with the repair time storage unit, the repair time storage unit is connected with the repair time storage unit, and the repair time storage unit is connected with the repair frequency storage unit.

Preferably, the first extraction module comprises a tone extraction unit, a tone extraction unit and a sending unit which are sequentially connected, the matching module comprises a temporary storage unit, a matching unit and a comparison unit which are sequentially connected, the setting module comprises a login unit, a verification unit and a setting unit which are sequentially connected, and the warning module comprises a sound-light warning unit and an information warning unit.

Preferably, the separation module is configured to receive L, R the binaural signal for separation, transmit the separated signal to the matrix processing module, and the matrix processing module is configured to perform matrix processing on the separated signal and transmit the processed signal to the recombination module.

Preferably, the recombination module is configured to recombine the received matrix signal, and transmit the recombined matrix signal to the decoding module, the decoding module is configured to decode the signal, and then transmit the decoded signal to the signal restoring module, the signal restoring module is configured to restore the signal, the restored signal is transmitted to the output module, and the output module is configured to perform multi-channel lossless output.

Preferably, the memory module is configured to memorize the timbre and the melody of the output music and transmit the memorized timbre and the melody to the classification storage module, and the classification storage module is configured to store the received data.

Preferably, the setting module is used for setting the use period of the music, after the use period is up, the first extraction module extracts the tone and the melody of the newly played music, transmits the extracted tone and the melody to the matching module, the matching module performs matching in the classified storage module, compares the extracted tone and the melody after the matching is successful, and transmits the comparison result to the judgment module, the judgment module is used for judging whether the tone and the melody in two groups at different periods are consistent, if so, the music can be normally used, and if not, the music can send the repair signal to the repair module.

Preferably, the repair module repairs the tone and the melody of the output music, compares the repaired tone and the melody again, and warns by the warning module when the comparison is inconsistent.

Preferably, the second extraction module is configured to extract the repair time and repair frequency data, transmit the extracted data to the calculation module, and the calculation module is configured to calculate the repair frequency and transmit the extracted and repair frequency data to the classification storage module for storage.

Compared with the prior art, the invention has the beneficial effects that:

receiving L, R dual-channel signals for separation, performing matrix processing on the separated signals, recombining the matrix signals, decoding the recombined signals, performing signal restoration through a characteristic audio algorithm, combining the internal space of the automobile and the loudspeaker configuration, performing multi-channel lossless output, wherein the multi-channel lossless output can be compatible with multi-track digital signals and analog signal input, and decoding-restoring-lossless output;

memorizing the timbre and the temperament of the output music, classifying and storing the memorized audios, setting a use period, extracting the timbre and the temperament of the newly played music after the use period is up, matching the timbre and the temperament with the stored timbre and temperament, comparing after the matching is successful, judging whether the two groups of timbre and the temperament in different periods are consistent, if so, indicating normal use, and if not, indicating repair is needed, repairing the timbre and the temperament of the output music through a repair module, comparing again after repair, and if not, alarming, extracting repair time and repair frequency data, calculating repair frequency, and storing the data of the extracted and repaired frequency so as to know the use condition;

the invention can simultaneously be compatible with digital signals and analog signal stereo for audio signal analysis, and adopts high sampling rate to carry out frequency decomposition on the audio signals, so that various vehicle-mounted loudspeakers really exert the characteristics thereof to output the audio signals, for example: the bass, the middle pitch, the treble, the surround sound and the like comprehensively show sound signals at various parts in the automobile, so that a driver can feel the surround sound of a family movie and a college test when playing music in a narrow space in the automobile and feel the scene of the movie and the college when playing a movie.

Drawings

FIG. 1 is a functional block diagram of a KAS audio processing system in accordance with the present invention;

FIG. 2 is a functional block diagram of a second extraction module of the KAS audio processing system of the present invention;

FIG. 3 is a functional block diagram of a separate memory module of the KAS audio processing system according to the present invention;

FIG. 4 is a functional block diagram of a first extraction module of the KAS audio processing system of the present invention;

FIG. 5 is a functional block diagram of a matching module of the KAS audio processing system of the present invention;

FIG. 6 is a functional block diagram of a setup module of the KAS audio processing system according to the present invention;

fig. 7 is a functional block diagram of an alert module of the KAS audio processing system according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, the KAS audio processing system includes a separation module, a matrix processing module, a recombination module, a decoding module, a signal restoring module, an output module, a first extraction module, a matching module, a judgment module, a restoration module, a second extraction module, a calculation module, a classification storage module, a memory module, a setting module, and a warning module, the separation module is connected with the matrix processing module, the matrix processing module is connected with the recombination module, the recombination module is connected with the decoding module, the decoding module is connected with the signal restoring module, the signal restoring module is connected with the output module, the output module is connected with the first extraction module, the first extraction module is connected with the matching module, the matching module is connected with the judgment module, the judgment module is connected with the restoration module, the restoration module is connected with the second extraction module, and the second extraction module is connected with the calculation module, the calculation module is connected with the classified storage module, the classified storage module is connected with the matching module, the matching module is connected with the warning module, the setting module is connected with the output module, the output module is connected with the memory module, and the memory module is connected with the classified storage module.

In the invention, the second extraction module comprises a repair time extraction unit, a repair frequency extraction unit and an identification classification unit, wherein the repair time extraction unit is connected with the repair frequency extraction unit, and the repair frequency extraction unit is connected with the identification classification unit.

In the invention, the classification storage module comprises an audio storage unit, a repair time storage unit and a repair frequency storage unit, wherein the audio storage unit is connected with the repair time storage unit, the repair time storage unit is connected with the repair time storage unit, and the repair time storage unit is connected with the repair frequency storage unit.

In the invention, the first extraction module comprises a tone extraction unit, a tone rhythm extraction unit and a sending unit which are sequentially connected, the matching module comprises a temporary storage unit, a matching unit and a comparison unit which are sequentially connected, the setting module comprises a login unit, a verification unit and a setting unit which are sequentially connected, and the warning module comprises an acousto-optic warning unit and an information warning unit.

In the invention, the separation module is used for receiving L, R binaural signals for separation and transmitting the separated signals to the matrix processing module, and the matrix processing module is used for matrix processing the separated signals and transmitting the processed signals to the recombination module.

In the invention, a recombination module is used for recombining the received matrix signals and transmitting the recombined matrix signals to a decoding module, the decoding module is used for decoding the signals and then transmitting the decoded signals to a signal restoring module, the signal restoring module is used for restoring the signals, the restored signals are transmitted to an output module, and the output module is used for carrying out multi-channel lossless output.

In the invention, the memory module is used for memorizing the tone and the melody of the output music and transmitting the memorized tone and melody to the classified storage module, and the classified storage module is used for storing the received data.

In the invention, a setting module is used for setting the use period of music, after the use period is up, a first extraction module extracts the tone and the melody of the newly played music, the extracted tone and the melody are transmitted to a matching module, the matching module performs matching in a classified storage module, comparison is performed after the matching is successful, the comparison result is transmitted to a judgment module, the judgment module is used for judging whether the tone and the melody in two groups at different periods are consistent, if so, the music can be normally used, and if not, a repair signal is sent to a repair module.

In the invention, the repair module repairs the tone and the rhythm of the output music, the comparison is carried out again after the repair, and when the comparison is inconsistent, the warning module warns.

In the invention, the second extraction module is used for extracting the data of the repair time and the repair times and transmitting the extracted data to the calculation module, and the calculation module is used for calculating the repair frequency and transmitting the data of the extracted and repaired frequency to the classification storage module for storage.

In the invention, a separation module receives L, R dual-channel signals for separation, the separated signals are transmitted to a matrix processing module, the matrix processing module carries out matrix processing on the separated signals and transmits the processed signals to a recombination module, the recombination module recombines the received matrix signals and transmits the recombined signals to a decoding module, the decoding module decodes the signals and then transmits the decoded signals to a signal restoring module, the signal restoring module restores the signals, the restored signals are transmitted to an output module, the output module carries out multi-channel lossless output, a memory module memorizes the timbre and the temperament of the output music and transmits the memorized timbre and the temperament to a classified storage module, the classified storage module stores the received data, a setting module sets the use period of the music, and after the use period arrives, the first extraction module extracts the tone and the rhythm of the newly played music, the extracted tone and the rhythm are transmitted to the matching module, the matching module is matched in the classified storage module, the comparison is carried out after the matching is successful, the comparison result is transmitted to the judgment module, the judgment module judges whether the tone and the rhythm of two groups of music in different periods are consistent or not, if the two groups of tones and the rhythm are consistent, the judgment module can be normally used, if the two groups of tones and the rhythm are inconsistent, the repair module sends repair signals to the repair module, the repair module repairs the tone and the rhythm of the output music, the comparison is carried out again after the repair, and if the two groups of tones and the rhythm are inconsistent, the warning module warns, the second extraction module extracts the repair time and repair frequency data, transmits the extracted data to the calculation module, the calculation module calculates the repair frequency, and transmits the extracted and repaired frequency data to the classified storage module for storage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.