CN210925467U - Device for outputting audio signals into an interior, amplification device and motor vehicle - Google Patents
Device for outputting audio signals into an interior, amplification device and motor vehicle Download PDFInfo
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Abstract
An apparatus, an amplifying device and a motor vehicle for outputting an audio signal into an interior space via an audio output device comprising audio output channels on a left side and a right side into an interior space forming part of a passenger compartment of a motor vehicle, the audio signal depicting a musical piece comprising at least a part of at least one main voice, in particular a human voice, the method comprising the steps of: providing an audio signal depicting a musical piece comprising at least a portion of at least one main speech, extracting an audio signal component of the audio signal comprising the at least one main speech from the audio signal, attenuating the audio signal component comprising the at least one main speech, outputting the audio signal via audio output channels on the left and right sides of an audio output device, wherein the audio signal component comprising the at least one main speech is output in an attenuated manner.
Description
Technical Field
The present invention relates to a device for outputting an audio signal into an interior space forming part of a passenger compartment of a motor vehicle via an audio output arrangement comprising audio output channels on the left and right side, the audio signal depicting a musical composition containing at least a part of at least one main voice, in particular a human voice.
Background
In accordance with the principle, apparatuses are known for outputting audio signals into an interior space forming part of the passenger compartment of a motor vehicle via an audio output device comprising left-hand and right-hand audio output channels, wherein the audio signals depict a musical composition containing at least one main voice, in particular at least part of a human voice, and are implemented in modern motor vehicles.
When this can be expected in certain situations: the audio signal depicting the main speech, i.e. typically the human voice, of the audio signal depicting the musical piece is attenuated or (completely) deleted at least temporarily. For example, it can be desirable to at least temporarily attenuate or delete audio chip components depicting the main speech in order to improve perception of other acoustic conditions under certain acoustic conditions; the acoustic perception of the language within the passenger compartment, i.e. for example the dialog, can be improved, for example, by correspondingly attenuating or deleting the audio signal components that describe the main speech. Furthermore, it may be desirable to at least temporarily attenuate or delete the audio signal components describing the main speech in order to perform the karaoke playback mode.
The prior art solutions for at least temporarily attenuating or deleting the audio signal component of the audio signal to be output, which contains the main speech, are often technically cumbersome, in particular with regard to the hardware and/or software resources required for this.
SUMMERY OF THE UTILITY MODEL
Therefore, the object on which the invention is based is: an improved device is proposed for outputting an audio signal into an interior space forming part of a passenger compartment of a motor vehicle via an audio output arrangement comprising left and right audio output channels, said audio signal depicting a musical composition comprising at least one main voice, in particular at least a part of a human voice.
The object is achieved by an apparatus for outputting an audio signal into an interior space, wherein the apparatus outputs the audio signal into the interior space via an audio output device comprising left and right audio output channels, the interior space forming part of a passenger compartment of a motor vehicle, the audio signal depicting a musical composition containing at least a portion of at least one primary voice, the apparatus comprising:
-providing means arranged for providing an audio signal depicting a musical piece comprising at least a portion of at least one primary speech;
-an audio output device comprising left and right audio output channels, the audio output device being arranged for outputting the provided audio signal via the left and/or right audio output channels;
-amplifying means associated or associable with said audio output means, said amplifying means comprising
-extracting means arranged for extracting from the audio signal an audio signal component of the provided audio signal containing the at least one dominant speech, and
-attenuating means arranged for attenuating said audio signal component containing said at least one dominant voice,
the audio output device can be operated such that the audio signal component of the audio signal containing the at least one dominant speech is output attenuated.
The following embodiments of the device may be involved: optionally, the extracting means is arranged for dividing the audio signal into a plurality of audio signal components, wherein the audio signal components obtained by dividing the audio signal contain the at least one dominant voice.
Optionally, the extracting means is arranged for dividing the audio signal into a plurality of audio signal components before extracting the audio signal component containing the at least one dominant speech.
Optionally, the extraction device is configured to: dividing the provided audio signal into a center audio signal component, a left audio signal component and a right audio signal component, wherein the left audio signal component is perceived on the listener side to the left of the main speech or the center audio signal component, wherein the right audio signal component is perceived on the listener side to the right of the main speech or the center audio signal component.
Optionally, the central audio signal component contains at least one dominant voice.
Optionally, the left audio signal component is outputable via an audio output channel of the left side of the audio output device, and the right audio signal component is outputable via an audio output channel of the right side of the audio output device.
Optionally, source separating means associated with or associable with the extracting means, the source separating means being arranged for dividing the provided audio signal into a plurality of audio signal components.
Optionally, the attenuation device is configured to: performing an attenuation of the audio signal component including the at least one dominant voice such that the audio signal component including the at least one dominant voice is completely removed from the audio signal.
Optionally, the attenuation device is configured to: the attenuation of the audio signal comprising the at least one dominant speech is performed by filtering the audio signal components from the audio signal by means of a filtering means.
Optionally, the filtering means is a barrier filtering means.
Optionally, the filtering means is a band-stop filtering means.
Optionally, the attenuation device is designed as a filter device or comprises at least one filter device.
Optionally, the filtering means is a barrier filtering means.
Optionally, the filtering means is a band-stop filtering means.
Optionally, the filtering means comprises an upper frequency limit and a lower frequency limit, wherein the upper frequency limit and the lower frequency limit of the filtering means are selected such that frequency components of the main speech to be filtered out are filtered out.
Optionally, the audio signal is a stereo signal.
Optionally, the amplifying means comprises a separately operable housing structure, wherein at least the extracting means and the attenuating means are arranged or constituted in the housing structure.
Optionally, the at least one primary voice is a human voice.
The apparatus described herein is for outputting at least one audio signal into an interior space forming part of a passenger compartment of a motor vehicle via an audio output device comprising left and right audio output channels. The audio signal outputable or outputable by means of the device depicts a musical piece comprising at least one main voice, i.e. typically at least a part of a (human) voice. The audio signal that can be output or output by means of the device is thus a musical composition containing a main voice; the audio signal can thus also be referred to or regarded as a music signal.
In general, an audio signal contains a plurality of audio signal components which can be distinguished from one another, for example by amplitude and/or frequency or corresponding amplitude and/or frequency variations. Here, at least one audio signal component contains the main speech, i.e. typically the human voice, of a musical piece acoustically depicted by the audio signal. The audio signal component containing the dominant speech differs from the other or remaining audio signal components of the audio signal, for example, in its amplitude and/or frequency or corresponding amplitude and/or frequency variations. In addition to the audio signal containing the main speech, the audio signal contains, as mentioned, further audio signal components; such further audio signal components can for example comprise: at least one secondary voice, which is secondary compared to the primary voice, or at least one musical instrument, i.e. for example a harmony instrument, which can be a guitar according to the type of musical piece, or a rhythm instrument, which can be for example a percussion instrument according to the type of musical piece; or a strong beat, other sounds, etc. The number and type of audio signal components of an audio signal are thus determined in particular by the type of musical piece, i.e. here for example whether it is a musical piece selected from the field of pop music or a musical piece selected from the field of classical music.
The apparatus comprises as main components:
-providing means arranged for providing an audio signal depicting a musical piece comprising at least a portion of at least one primary speech;
-audio output means comprising left and right audio output channels arranged for outputting the provided audio signal via the left and/or right audio output channels;
amplification means associated with or capable of being associated with an audio output means, the amplification means comprising: extracting means arranged to extract from the audio signal an audio signal component of the provided audio signal comprising at least one dominant voice, and attenuating means arranged to attenuate the audio signal component comprising at least one dominant voice.
The device is characterized in particular by: the audio output device can be operated such that an audio signal component of the audio signal containing at least one dominant voice is output attenuated.
As mentioned, the audio signal that can be output or output by means of the device is therefore output via an audio output device into an interior space that forms part of the passenger compartment of the motor vehicle. The audio output device comprises left and right audio output channels; the audio output channels are usually formed by or comprise at least one loudspeaker respectively, which is built into the motor vehicle side. The audio output device is therefore usually built on the motor vehicle side. The two audio output channels of the audio output device are therefore usually arranged in the passenger compartment of the motor vehicle, so that signals that can be output via them can be output into the passenger compartment of the motor vehicle.
The purpose of the device described herein is: an audio signal component or components containing the main speech are at least temporarily attenuated or (completely) deleted in a manner that is relatively trouble-free, in particular in terms of hardware and/or software resources required for this. For this purpose, the device is accordingly configured to:
the device is provided in particular by means of a provision device for: an audio signal is provided that depicts a musical piece that includes at least a portion of at least one primary speech. The audio signal is typically a stereo signal. Providing the audio signal can be achieved via different ways. The audio signal can be provided via, for example, an audio carrier, i.e. for example a CD, a possibly portable data carrier, i.e. for example a hard disk memory, a USB hard disk or the like, or a global or local data network, i.e. for example the internet, or a global or local data connection, i.e. for example a bluetooth connection.
The device is further provided, in particular by means of an extraction device, for: an audio signal component containing at least one dominant voice is extracted from an audio signal. The method comprises the steps of extracting an audio signal component containing at least one dominant voice for identifying the at least one dominant voice within the audio signal and separating the audio signal component containing the at least one dominant voice from the audio signal. The extraction of the audio signal component containing at least one main voice is carried out by means of hardware and/or software-implemented extraction means, which are provided for extracting an audio signal from the audio signal, which audio signal represents the audio signal component containing at least one main voice of a musical piece containing at least one main voice; the extraction means form a functional component of the apparatus.
The device is provided in particular by means of a damping device for: the audio signal component containing at least one dominant voice obtained by extraction is attenuated. The attenuation of the audio signal components containing at least one dominant speech, which are obtained by the respective extraction, is achieved in particular by reducing the volume or the strength of the audio signal components containing at least one dominant speech, which here can be both the absolute strength or the volume of the audio signal components containing at least one dominant speech and the relative strength or the volume of the audio signal components containing at least one dominant speech, i.e. the strength or the volume of the audio signal components containing at least one dominant speech relative to the other or remaining audio signal components of the audio signal. The audio signal components containing at least one dominant voice can also be completely removed by a corresponding attenuation; thus, the attenuation of the audio signal component containing the at least one dominant speech can be performed such that the audio signal component containing the at least one dominant speech is completely removed from the audio signal, i.e. the attenuation can be made up to "zero". The attenuation of the audio signal containing at least one dominant voice takes place by means of hardware and/or software-implemented attenuation means which are provided for attenuating the audio signal components containing at least one dominant voice, the attenuation means forming a functional component of the device.
The device is provided in particular with audio output means for: the audio signals are output via audio output channels on the left and right of the audio output device, wherein the audio signal components containing at least one dominant voice are output in an attenuated manner or are not output because of the deletion. Thus, as mentioned, the audio signal is typically output into an interior space which forms part of the passenger compartment of the vehicle — in a technically uncomplicated manner, in particular with regard to the hardware and/or software resources required for this, the hearing or acoustic perception of a musical piece, each with attenuated or deleted audio signal components containing at least one main speech, i.e. with attenuated or deleted main speech, is achieved for the passenger.
The extraction of an audio signal component containing at least one dominant voice can be performed by dividing the provided audio signal into a plurality of audio signal components, wherein the audio signal components obtained by dividing the audio signal contain at least one dominant voice. Thus, the audio signal can be divided into a plurality of main voices, wherein the audio signal contains at least one main voice. In this regard, the audio signal is analyzed at least with respect to the audio signal component containing the at least one dominant voice via suitable analysis means or analysis algorithms and is divided accordingly. The analysis of the audio signal can be based on specific predefinable or predefined acoustic properties, i.e. for example amplitude(s) and/or frequency(s), of the audio signal components containing the main speech, which are stored for example in a storage means (data memory). The analysis of the audio signal can thus be carried out, for example, by equalizing predefinable or predefined acoustic properties, i.e. for example the amplitude(s) and/or the frequency(s), of the audio signal components containing the main speech with the acoustic signal. As will be shown below, a division of the audio signal can also be made, wherein a central audio signal component is obtained, which typically contains at least one dominant voice. The division of the provided audio signal into a plurality of audio signal components can be achieved by an extraction means or a division means associated with the extraction means or associated with the extraction means for dividing the provided audio signal into a plurality of audio signal components; corresponding dividing means can form functional components of the apparatus.
The provided audio signal can be divided as mentioned such that a central audio signal component is obtained. The provided audio signal can be divided in particular into a central audio signal component, a left audio signal component which is perceived in particular on the listener side on the left side of the main speech or the central audio signal component, and a right audio signal component which is perceived in particular on the listener side on the right side of the main speech or the central audio signal component. The middle audio signal component is an audio signal component corresponding to an output direction or output position as perceived centrally by a listener when outputting an audio signal via an audio output device comprising two audio output channels, the left audio signal component is an audio signal component, the audio signal component corresponds to an output direction or output position perceived by a listener (more) on the left side (relative to the central audio signal component) when outputting the audio signal via an audio output device comprising two audio output channels, and the right audio signal component is an audio signal component corresponding to an output direction or output position perceived by a listener (more) on the right (relative to the central audio signal component) when outputting an audio signal via an audio output device comprising two audio output channels.
Thus, the audio signal division performed by means of the device by means of suitable division means or division algorithms can provide (exactly) three output signal components; thus, the audio signal can be divided by means of the device into (exactly) three audio signal components, namely a left-hand audio signal component, which contains the entire audio signal or only components of the audio signal which are perceived on the left of the output center or which are on the left of the output center; a right audio signal component containing all or only components of the audio signal that are perceived on the right of the output center or are on the right of the output center; and a central audio signal component containing all or only components of the audio signal that are perceived or at the center of output.
The following knowledge is obtained from the study of various audio signals or musical pieces: usually the central audio signal component contains at least one dominant voice, and thus an audio signal component containing at least one dominant voice can usually be obtained by dividing the audio signal accordingly to obtain the central audio signal component.
Each audio signal component obtained from the division of the audio signal can in principle be mixed onto or output via a specific audio output channel of the audio output device. In other words, each audio signal component can be associated with one of two audio output channels of an audio output device, via which the respective audio signal component is also output. During output of the audio signal, the left and right audio signal components are typically mixed onto the right and/or left audio output channels of the audio output device; during output of the audio signal, the audio signal components on the left side are typically output via the audio output channels on the left side and the audio output channels on the right side of the audio output device. For the central audio signal component mentioned, which usually contains at least one dominant voice, the following applies: the central audio signal component can be mixed or output on or via one or both of the two audio output channels in a manner proportionally divided, for example attenuated, according to the degree of attenuation or deletion, or can be not mixed or output in a (completely) deleted manner.
The division of the provided audio signal into the respective audio signal components can be performed by means of the source separation means. The respective source separation device can be implemented, for example, by a source separation algorithm. Suitable devices or suitable source separation algorithms for source separation are described, for example, in german patent DE 102012025016B 3, the disclosure of which is incorporated herein by reference.
The attenuation of the audio signal component containing at least one dominant voice, i.e. for example the attenuation of the central audio signal component, can in particular be carried out by filtering the audio signal component from the audio signal by means of a filter device, in particular a barrier filter device, preferably a band-stop filter device. In contrast, the attenuation device can be configured as a filter device comprising an upper frequency limit and a lower frequency limit or comprise such a filter device. The upper and lower frequency limits of the filtering means can be selected such that the frequency components of the main speech to be filtered out are filtered out. The device can therefore comprise filtering means which, due to the respective upper and lower limit frequencies, are arranged for filtering out frequency components of the main speech to be filtered out.
Thus, the extraction means can be arranged for dividing the audio signal into a plurality of acoustic audio signal components, wherein the audio signal components obtained by dividing the audio signal contain at least one dominant voice.
As mentioned, the attenuation device can be designed as a filter device, in particular as a barrier filter device, preferably as a band-stop filter device, or comprise at least one filter device.
The filtering means can comprise an upper frequency limit and a lower frequency limit, wherein the upper frequency limit and the lower frequency limit are selected such that frequency components of the main speech to be filtered out are filtered out.
The device can also comprise, in order to implement the karaoke mode, an output device for outputting text information, which is in particular designed as a display device, i.e. for example as a display screen or comprises such a display device. The output of the text information can simultaneously be effected by means of an output audio signal. The text information can be text contained or would be contained in attenuated or deleted main speech.
The amplification means can comprise a housing structure or housing component which is in particular separately operable from the rest of the components of the device. At least the extraction device and the damping device can be arranged or formed in the housing structure or in the housing component.
The utility model discloses still relate to a corresponding amplification device, it includes: extracting means arranged to extract an audio signal component comprising at least one dominant speech from the audio signal, and attenuating means arranged to attenuate the audio signal component comprising at least one dominant speech. All embodiments relating to the apparatus described herein are therefore similarly applicable to the magnifying device.
In addition to this device, the invention also relates to a motor vehicle, in particular a personal motor vehicle, which comprises a corresponding device. All the embodiments described in connection with the device described here are therefore likewise suitable for motor vehicles.
Drawings
The invention is explained in detail in the figures according to embodiments. In the drawings, there is shown in the drawings,
fig. 1 shows a schematic diagram of a device according to an embodiment.
Detailed Description
The sole figure shows a principle diagram of a device 1 according to an embodiment. The device 1 is provided for outputting an audio signal AS, which depicts a musical composition containing at least one main voice, in particular at least a part of a human voice, into an interior space 4 forming part of a passenger compartment 2 of a motor vehicle 3 via an audio output means 7 comprising an audio output channel 5 on the left and an audio output channel 6 on the right.
The device 1 comprises as functional components at least one hardware and/or software implemented extraction means 8, a hardware and/or software implemented attenuation means 9, a hardware and/or software implemented mixing means 10 and an output means 7 comprising left and right audio output channels 5, 6 (loudspeakers). The extraction means 8 are arranged for extracting an audio signal AS from the audio signal AS, which audio signal represents an audio signal component as.2 containing at least one main utterance of a musical piece containing at least one main utterance. The attenuation means 9 serve to attenuate the audio signal component as.2 containing at least one main speech. The mixing means 10 are arranged for mixing the audio signal components as.1-as.3, each obtained by extraction, onto the audio output channels 5, 6 of the audio output means 7. The functional co-operation of the proposed functional components of the device 1 is described in more detail below.
Furthermore, the device 1 can comprise, with regard to the implementation of the karaoke mode, an output device (not shown) for outputting text information, in particular a display device, i.e. for example designed as a display or comprising a display device. The output of the text information can be simultaneously realized with the output of the audio signal AS. The text information can be text that contains or would contain attenuated or deleted main speech.
The device 1 is provided for outputting an audio signal AS via an audio output means 7 comprising left and right audio output channels 5, 6 into an interior space 4 forming part of a passenger compartment 2 of a motor vehicle 3. An audio signal AS outputable or outputable by means of the device 1 depicts a musical piece containing at least one main voice, i.e. typically a part of a (human) sound. The audio signal AS is thus a musical piece containing a main speech, and can therefore also be referred to or regarded AS an audio signal.
The audio signal AS comprises a plurality of audio signal components as.1-as.3 which can be distinguished from one another, for example by amplitude and/or frequency or corresponding amplitude-and/or frequency variations. Here, at least one audio signal component as.2 contains the main speech of the musical piece acoustically depicted by the audio signal AS, i.e. typically the human voice. In addition to the audio signal component as.2 containing the main speech, the audio signal AS comprises further audio signal components as.1, as.3, namely for example: at least one secondary voice, which is secondary compared to the primary voice, or at least one musical instrument, i.e. for example a harmony instrument, which can be for example a guitar, depending on the type of the musical piece, or a rhythm instrument, which can be for example a percussion instrument, depending on the type of the musical piece; or a strong beat, other sounds, etc. The number and type of the audio signal components as.1 to as.3 of the audio signal AS can thus be determined in particular by the type of the musical piece, i.e. here for example whether it is a musical piece selected from the field of pop music or a musical piece selected from the field of classical music.
The purpose of the device 1 is: one or the audio signal component as.2 containing the main speech is at least temporarily attenuated or (completely) deleted in a manner that is relatively trouble-free, in particular with regard to the hardware and/or software resources required for this. For this purpose, the device 1 is accordingly configured:
by means of the device 1, i.e. in particular a provision device of the device 1, which is not shown in detail here, an audio signal AS is provided which depicts a musical composition containing a main voice. The audio signal AS is a stereo signal. The provision of the audio signal AS can be done via different ways. For example, the audio signal AS can be provided via an audio carrier, i.e. for example a CD, a possibly portable data carrier, i.e. for example a hard disk memory, a USB hard disk or the like, or a global or local data network, i.e. for example the internet or a global or local data connection, i.e. for example a bluetooth connection.
By means of the device 1, an audio signal component as.2 containing the main speech is extracted from the audio signal AS. An audio signal component as.2 containing at least one main voice is extracted within the audio signal AS and the audio signal component as.2 containing the main voice is separated from the audio signal AS. The extraction of the audio signal component as.2 containing the main speech is effected by means of the extraction means 8.
The extraction of the audio signal component as.2 containing the main speech is achieved by dividing the audio signal AS into a plurality of audio signal components as.1-as.3, wherein the audio signal component as.2 obtained by dividing the audio signal AS contains the main speech. The audio signal AS is thus divided into a plurality of audio signal components as.1-as.3, wherein the audio signal component as.2 contains at least one main voice. In this case, the audio signal AS can be analyzed at least with regard to the audio signal component as.2 containing the main speech via an analysis device or an analysis algorithm and divided accordingly. The analysis of the audio signal AS can be based on specific predefinable or predefined acoustic properties, i.e. for example amplitude(s) and/or frequency(s), of the audio signal components as.1 to as.3 containing the main speech, which are stored for example in a storage means (data memory) not shown in the drawing. The analysis of the audio signal AS can thus be carried out, for example, by equalizing predefinable or predefined acoustic properties, i.e. for example the amplitude(s) and/or the frequency(s), of the audio signal component containing the main speech with the acoustic signal AS.
The central audio signal component as.2, which usually contains the main speech, can be obtained by dividing the audio signal AS. The audio signal AS is divided into a plurality of audio signal components as.1 to as.3 by dividing means 11, which belong to the extracting means 8 or are implemented by hardware and/or software associated with the extracting means 8, which are provided for dividing the audio signal AS into a plurality of audio signal components as.1 to as.3. The dividing means 11 form a further functional component of the apparatus 1.
The audio signal AS can be divided by means of the dividing means 11 into a central audio signal component as.2, a left-hand audio signal component as.1, which is perceived especially on the listener side on the left side of the main speech or central audio signal component as.2, and a right-hand audio signal component as.3, which is perceived especially on the listener side on the right side of the main speech or central audio signal component as.2. Thus, the division of the audio signal AS, which is performed by means of suitable division means or division algorithms, can (just) provide three audio signal components as.1-as.3; thus, the audio signal AS can be divided into (exactly) three audio signal components as.1-as.3, namely a left-hand audio signal component as.1, which contains the components of the entire audio signal AS or of only the audio signal AS, which are perceived on the left of the output center or which are on the left of the output center; a right audio signal component as.3 containing either the entire audio signal AS or only a component of the audio signal AS which is perceived on the right of the output center or which is on the right of the output center; and a central audio signal component as.2, which contains the component of the total audio signal AS or of the audio signal AS only, which is perceived in the center of the output or which is in the center of the output.
The division of the supplied audio signal AS into the respective audio signal components as.1 to as.3 can be carried out by means of a source separation device (not shown) belonging to or associated with the division device. The respective source separation device can be implemented, for example, by a source separation algorithm. Suitable devices or suitable source separation algorithms for source separation are described, for example, in german patent DE 102012025016B 3.
The audio signal component as.2 containing the main speech, which is obtained by the post-extraction division, is attenuated by the device 1, i.e. in particular by the attenuation means 9. The attenuation of the audio signal component as.2 containing the main speech is achieved inter alia by reducing the volume or the strength of the audio signal component as.2 containing the main speech. The audio signal component as.2 containing the main speech can also be completely removed by a corresponding attenuation; thus, the attenuation of the audio signal component as.2 containing the main speech can be performed such that the audio signal component as.2 containing the main speech is completely removed from the audio signal AS.
The attenuation of the audio signal component as.2 containing the dominant speech, i.e. for example the central audio signal component as.2, is carried out by filtering the audio signal component as.2 by means of a hardware and/or software-implemented filtering means 12 having an upper frequency limit and a lower frequency limit, belonging to or associated with the attenuation means 9. The filter device 12 can be configured as a barrier filter device, preferably as a band-stop filter device. The upper and lower frequency limits of the filter means 12 are chosen such that the frequency components of the main speech to be filtered out are filtered out.
Each audio signal component as.1-as.3 obtained from the division of the audio signal AS can in principle be mixed by means of the mixing apparatus 10 to a specific audio output channel 5, 6 of the audio output apparatus 7 or output via a specific audio output channel 5, 6 of the audio output apparatus 7. The left-hand and right-hand audio signal components as.1, as.3 are mixed by means of the mixing apparatus 10 during the output of the audio signal AS on the right-hand and/or left-hand audio output channels 5, 6 of the audio output apparatus 7; the audio signal component as.1 on the left is usually output via the audio output channel 5 on the left and the audio signal component as.3 on the right is output via the audio output channel 6 on the right. For the central audio signal component as.2 containing the main speech, the following apply: the central audio signal component can be mixed or output in a proportionally divided manner on or via one or both of the audio output channels 5, 6 depending on the degree of attenuation or deletion, for example attenuated, or (completely) deleted and cannot be mixed or output.
With the aid of the device 1, the audio signal AS is output via the left-hand and right-hand audio output channels 5, 6 of the audio output device (7), respectively, the audio signal component as.2 containing the main speech being output attenuated accordingly or not being output because of the deletion.
At least the extraction means 8 and the attenuation means 9 form part of the amplification means 13 of the apparatus 1. The amplification means 13 comprise, as can be seen, a housing structure 14 in which the extraction means 8 and the attenuation means 9 are arranged or formed. Furthermore, it is shown that: the mixing apparatus 10 can also be provided or constructed in the housing structure 14.
The housing structure 14 generally represents an assembly that is particularly operable separately from the rest of the components of the apparatus 1.
Claims (20)
1. A device (1) for outputting an Audio Signal (AS) into an interior space (4), wherein the device outputs the Audio Signal (AS) into the interior space (4) via an audio output means (7) comprising a left audio output channel (5) and a right audio output channel (6), the interior space (4) forming part of a passenger compartment (2) of a motor vehicle (3), the audio signal depicting a musical composition comprising at least a part of at least one main voice, the device comprising:
-providing means arranged for providing an Audio Signal (AS);
-audio output means (7) comprising a left audio output channel (5) and a right audio output channel (6), said audio output means being arranged for outputting the provided Audio Signal (AS) via the left audio output channel (5) and/or the right audio output channel (6);
-amplifying means associated with or associable with said audio output means (7), said amplifying means comprising
-extracting means (8) arranged for extracting from the Audio Signal (AS) an audio signal component (as.2) of the provided Audio Signal (AS) containing the at least one dominant speech, and
-attenuating means (9) arranged for attenuating said audio signal component (AS.2) containing said at least one dominant voice,
characterized in that the audio output device (7) is operable such that the audio signal component (AS.2) of the Audio Signal (AS) containing the at least one dominant speech is output attenuated.
2. Device according to claim 1, characterized in that the extraction means (8) are arranged for dividing the Audio Signal (AS) into a plurality of audio signal components (as.1-as.3), wherein an audio signal component (as.2) obtained by dividing the Audio Signal (AS) contains the at least one dominant speech.
3. The apparatus according to claim 2, characterized in that said extracting means (8) are arranged for dividing said Audio Signal (AS) into a plurality of audio signal components (as.1-as.3) before extracting said audio signal component (as.2) containing said at least one dominant speech.
4. The apparatus according to claim 2 or 3, characterized in that the extraction means (8) are arranged for: dividing the provided Audio Signal (AS) into a central audio signal component (AS.2), a left-side audio signal component (AS.1) and a right-side audio signal component (AS.3), wherein the left-side audio signal component is perceived on the listener side to the left of the main speech or the central audio signal component (AS.2), wherein the right-side audio signal component is perceived on the listener side to the right of the main speech or the central audio signal component (AS.2).
5. Device according to claim 4, characterized in that the central audio signal component (AS.2) contains at least one main speech.
6. Apparatus according to claim 4, characterized in that the left audio signal component (AS.1) is outputable via an audio output channel (5) of the left side of the audio output device (7) and the right audio signal component (AS.3) is outputable via an audio output channel (6) of the right side of the audio output device (7).
7. An arrangement according to any one of claims 2-3, characterized by source separating means associated with the extracting means (8) or associable with the extracting means (8), which source separating means are arranged for dividing the provided Audio Signal (AS) into a plurality of audio signal components (AS.1-AS.3).
8. The apparatus according to any of claims 1-3, characterized in that the attenuation device (9) is arranged to: -performing an attenuation of the audio signal component (as.2) comprising the at least one main voice such that the audio signal component (as.2) comprising the at least one main voice is completely removed from the Audio Signal (AS).
9. The apparatus according to any of claims 1-3, characterized in that the attenuation device (9) is arranged to: the attenuation of the audio signal (AS.2) containing the at least one dominant speech is performed by filtering the audio signal component (AS.2) from the audio signal by means of a filtering device (12).
10. The apparatus according to claim 9, characterized in that the filter device (12) is a barrier filter device.
11. An arrangement according to claim 9, characterized in that the filter means (12) is a band-stop filter means.
12. Device according to claim 9, characterized in that the attenuation means (9) are constructed as filter means (12) or comprise at least one filter means.
13. The apparatus according to claim 12, characterized in that the filter device (12) is a barrier filter device.
14. The apparatus according to claim 12, characterized in that the filtering means (12) are band-stop filtering means.
15. The apparatus according to claim 12, characterized in that said filtering means (12) comprises an upper frequency limit and a lower frequency limit, wherein said upper frequency limit and said lower frequency limit of said filtering means (12) are selected such that frequency components of said main speech to be filtered out are filtered out.
16. An apparatus according to any one of claims 1-3, characterized in that the Audio Signal (AS) is a stereo signal.
17. Apparatus according to any of claims 1-3, characterized in that the amplification means (13) comprise a separately operable housing structure (14), wherein at least the extraction means (8) and the attenuation means (9) are arranged or constituted in the housing structure (14).
18. The apparatus of claim 1, wherein said at least one primary speech is human speech.
19. An amplification device (13) for use in an apparatus (1) according to any one of the preceding claims, characterized in that the amplification device comprises
Extraction means (8) arranged for extracting an audio signal component (AS.2) comprising at least one dominant speech from the Audio Signal (AS), and
-attenuating means (9) arranged for attenuating said audio signal component (as.2) containing said at least one dominant speech.
20. A motor vehicle (3), characterized by comprising a device (1) according to any one of claims 1 to 18 and/or an amplification device (13) according to claim 19.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503931.1U CN210925467U (en) | 2019-04-15 | 2019-04-15 | Device for outputting audio signals into an interior, amplification device and motor vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503931.1U CN210925467U (en) | 2019-04-15 | 2019-04-15 | Device for outputting audio signals into an interior, amplification device and motor vehicle |
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| CN210925467U true CN210925467U (en) | 2020-07-03 |
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| CN201920503931.1U Active CN210925467U (en) | 2019-04-15 | 2019-04-15 | Device for outputting audio signals into an interior, amplification device and motor vehicle |
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