TWM545340U - High-definition audio module and earphone improved structure - Google Patents

Description

HD audio module and its headset improved structure

This creation is about a high-definition audio module and its earphone improvement structure, especially a high-definition audio module capable of restoring a compressed audio source to a high-definition audio source output, and an improved structure of the earphone for setting the high-definition audio module.

The storage medium of audio signal, with the progress of the times, early, such as vinyl records, tapes, CDs, etc., until now digital media files, such as MP3, MP4, etc.; but the audio signal in digital media files has been through A Digital media files after /D conversion, although with the advancement of algorithms and computer hardware, most digital media files can support 128K/44.1kHz resolution, but in fact they can be presented with vinyl records and tapes. The sound quality is still far behind. In general, at least 24 bits/96 kHz high resolution is required to get close to the sound quality of vinyl records and tapes. However, most multimedia playback devices cannot provide such high-specific playback. Quality, unless it is a high-priced audio-visual equipment, high-quality digital media files and special equipment, so many users who pursue sound quality are discouraged.

In view of the above shortcomings of the prior art, the creator is studying the improvement of the aforementioned shortcomings, and finally has the creation of this creation.

The main purpose of this creation is to provide a way to restore a compressed sound source to High-definition audio module for high-definition audio output.

The secondary purpose of this creation is to provide an improved structure for the headset that sets up this HD audio module.

A further object of the present invention is to provide an improved earphone structure for independently outputting treble and bass.

A further object of the present invention is to provide an improved earphone structure capable of isolating external noise interference.

In order to achieve the above purpose and effect, the high-definition audio module comprises: a sound source input end receiving an audio signal; and a sample rate converter electrically connected to the sound source input end, receiving the audio signal and re-communicating the audio signal The signal is subjected to high sampling rate conversion to generate a high-definition audio signal; a digital signal processor electrically connected to the sampling rate converter receives a control signal and the high-definition audio signal, and adjusts the high-definition audio signal according to the control signal. The environmental parameter generates a high-definition audio output signal; a microprocessor electrically connected to the sampling rate converter and the digital signal processor respectively, wherein the control signal is transmitted to the digital signal processor, and the sampling rate converter is controlled a high-sampling rate conversion parameter; a treble filter electrically coupled to the digital signal processor, which receives and filters the high-definition low-frequency output signal in the high-definition audio output signal, and generates a high-definition high-tone output signal to be transmitted to a tweeter; And a bass electrically connected to the aforementioned digital signal processor Filter, receives and filters the output signal of the high definition HD audio frequency output signal to produce a high-definition output signal is transmitted to a bass woofer.

Thereby, the audio signal is re-converted by the sampling rate converter to generate a high-definition audio signal to be transmitted to the digital signal processor, and the digital signal processor is controlled according to the control. The signal adjusts the environment parameters of the high-definition audio signal to generate a high-definition audio output signal, and then generates a high-definition high-tone output signal and a high-definition bass output signal respectively by the high-pitched filter and the low-pitched filter, so that the tweeter outputs the high-definition high-pitched output signal, and the woofer outputs the high-definition bass output. Signal.

In order to achieve the above object and effect, the earphone with improved structure of the present earphone has a hanger, and the two ends of the hanger are respectively connected with a movable rotating ear cover body, and the ear cover body comprises at least: a woofer and a high sound a substrate of the speaker, the surface of the substrate is sequentially provided with a first housing and a second housing, the first housing covers the woofer and the tweeter, the second housing covers the first housing, and the substrate and the first housing Forming a first soundproof space, a second soundproof space is formed between the first casing and the second casing, and is connected to the other side surface of the substrate and covers an annular cushion body; and the first casing is provided with a The high-definition audio module and the high-definition audio module are electrically connected to the woofer, the tweeter and the input of the audio source respectively, and the input end of the audio source is disposed between the second housing and the substrate.

Thereby, the high-definition audio module converts the low-sampling audio signal into a high-definition audio signal, and divides the high-definition high-tone output signal to the tweeter, and outputs the high-definition bass output signal to the woofer, and the high and low-woofer outputs. When the first isolation space and the second isolation space are shielded from external noise, the quality of the earphone is improved.

According to the above structure, the sample rate converter generates at least a 24-bit/96 kHz high resolution HD audio signal.

According to the above structure, the audio source input end can be an audio connection terminal.

According to the above structure, the audio source input terminal is further electrically connected to a Bluetooth receiver.

According to the above structure, the tweeter and the woofer are further disposed on a substrate, and the tweeter and the woofer have an angular difference.

In order to obtain a more specific understanding of the above purposes, functions and features of this creation, the following figures are described as follows:

1‧‧‧HD Audio Module

11‧‧‧Source input

12‧‧‧Sampling rate converter

13‧‧‧Digital Signal Processor

14‧‧‧High-pitched filter

141‧‧‧high-pitched speakers

15‧‧‧ bass filter

51‧‧‧woofer

16‧‧‧ midrange filter

161‧‧‧Chinese Horn

17‧‧‧Bluetooth Receiver

18‧‧‧Microprocessor

2‧‧‧ headphones

21‧‧‧ hanging rack

22‧‧‧ Ear mask body

222‧‧‧Substrate

223‧‧‧First housing

224‧‧‧ second housing

221‧‧‧ ring body

Figure 1 is a block diagram of a preferred embodiment of the present invention.

Figure 2 is a block diagram of still another preferred embodiment of the present invention.

Figure 3 is a perspective view of still another preferred embodiment of the present invention.

Figure 4 is a partially exploded view of a preferred embodiment of the present invention.

Figure 5 is a partial exploded view of a further preferred embodiment of the present invention.

Figure 6 is a partial cross-sectional view showing still another preferred embodiment of the present invention.

Referring to FIG. 1 , the present invention mainly includes: an audio source input terminal 11 for receiving an audio signal, and the audio source input terminal 11 can be a wired connection audio connection terminal, or a Bluetooth receiving wireless audio signal. The receiver 17 is connected to the audio input terminal 11 to receive an audio signal, and re-amplifies the audio signal to generate a high-definition audio signal. The so-called audio signal is highly sampled. Rate conversion is to resample the low sampling rate audio signal (such as 128K/44.1kHz) again with high sampling rate, and then make each sampling point more dense, so that the sampled HD audio signal is closer to the analog signal. And at least a sampling rate of 24 bits/96 kHz; the digital signal processor 13 is electrically connected to the sampling rate converter 12 as described above, and receives a control signal and the high-definition audio signal, and is adjusted according to the control signal. Clearing the environmental parameters of the audio signal to generate high-definition audio output signals. The so-called environmental parameter setting allows the high-definition audio signal to adjust the amplitude or frequency of each sampling point, and can generate such as classical music, heavy bass, vocal enhancement, theater, etc. a sound effect; a microprocessor 18 is electrically connected to the sampling rate converter 12 and the digital signal processor 13 respectively, and generates the control signal to be transmitted to the digital signal processor 13 and controls the sampling rate converter. 12: performing high sampling rate conversion parameters; a treble filter 14 is electrically connected to the digital signal processor 13 and the tweeter 141, respectively, for receiving and filtering the high-definition low-frequency output signal in the high-definition audio output signal to generate a high-definition The treble output signal is transmitted to the tweeter 141; a woofer filter 15 is electrically connected to the digital signal processor 13 and the woofer 151, respectively, for receiving and filtering the high-definition high-frequency output signal in the high-definition audio output signal to generate a The high-definition bass output signal is transmitted to the woofer 151. It should be noted that the tweeter 141 is low. The speaker 151 is further disposed on a substrate 222, and the tweeter 141 and the woofer 151 have an angular difference, and the substrate 222 can be represented by the embodiment of FIGS. 3-6 described later; The sample rate converter 12, the digital signal processor 13, the microprocessor 18, the treble filter 14 and the bass filter 15 may actually be independent electronic circuits or integrated circuits, and then disposed on the circuit board. It can be an integrated integrated circuit.

Thereby, the audio signal is re-converted by the sampling rate converter 12 to generate a high-definition audio signal and transmitted to the digital signal processor 13. The digital signal processor 13 adjusts the environmental parameters of the high-definition audio signal according to the control signal to generate high-definition audio output. Signal, the treble filter 14 receives and filters the high-definition low-frequency output signal in the high-definition audio output signal to generate a high-definition high-tone output signal to the tweeter 141, and the bass filter 15 receives and filters the high-definition audio output. The high-definition high-frequency output signal in the signal generates a high-definition bass output signal to be transmitted to the woofer 151, so that the low-sampling audio signal is converted into a high-definition audio signal, and is divided into a high-definition high-tone output signal and a high-definition bass output signal respectively.

It should be noted that the full-range audio signals that can be accepted by the human ear can be divided into at least three sections: high-pitched, mid-range and low-range. The high-definition audio output signal of the present invention can be further divided into high-definition high-tone output signals. HD high-definition output signal and high-definition bass output signal, when the high-pitched filter 14 and the low-pitched filter 15 filter the high-definition audio output signal, the high-definition high-output signal outputted by the high-pitched filter 14 may further include a high-definition mid-range output signal, or a bass The high-definition bass output signal outputted by the filter 15 can further include a high-definition mid-range output signal.

Referring to FIG. 2, a further preferred embodiment of the present invention is further characterized in that the digital signal processor 13 is further electrically connected to a mid-range filter 16 and the mid-tone filter 16 is electrically connected to the first embodiment. A mid-range speaker 161 is connected. The mid-range filter 16 receives and filters the high-definition high-frequency output signal and the high-definition low-frequency output signal in the high-definition audio output signal, and generates a high-definition mid-range output signal to be transmitted to the mid-range speaker 161. The high-definition audio output signal of the full audio segment can be divided into three segments according to the frequency, so that the high-definition audio output signal is transmitted through the tweeter 141, the midrange speaker 151 and the woofer 161, thereby generating a more rounded and full listening experience. .

As shown in FIG. 3 to FIG. 6 , the earphone 2 has a hanger 21 , and two ends of the hanger 21 are respectively connected to a movable rotating ear cover 22 , and the ear cover 22 includes at least one substrate 222 . The woofer 151 and the tweeter 141 are disposed, and the woofer 151 and the tweeter 41 are covered by a first casing 223, and a first soundproof space is formed between the first casing 223 and the substrate 222. A high-definition audio module 1 is disposed on the housing 223, and the high-definition audio module 1 is electrically connected to the woofer 151 and the tweeter 141, respectively, and the first housing 223 is An audio input terminal 11 is disposed at the end and electrically connected to the high-definition audio module 1; it should be noted that the high-definition audio module 1 may be respectively disposed on a circuit board as the components in the foregoing first to second embodiments. Or, the components in the first to second embodiments are integrated in the integrated circuit; a second housing 224 is connected to the substrate 222 and covers the first housing 223, and the first housing A second soundproof space is formed between the second housing 224 and the second housing 224; an annular pad body 221 is connected to and covers the other side surface of the substrate 222; thereby, the HD audio module 1 has a low sampling rate. The audio signal is converted into a high-definition audio signal, and is divided into a high-definition high-tone output signal output to the tweeter 141, and the high-definition low-pitched output signal is output to the woofer 151, and the high and low-woofer 141, 151 are output again, with the first soundproof space and The second soundproof space shields the external noise and improves the quality of the earphone 2 when dialing.

In summary, the high-definition audio module and the improved structure of the earphone of the present invention are a novel and progressive creation, and a new type of patent is filed according to law; however, the above description is only preferred for the present creation. It should be noted that the changes, modifications, alterations or equivalent substitutions of the technical means and scopes of the present invention should also fall within the scope of the patent application of the present invention.

1‧‧‧HD Audio Module

11‧‧‧Source input

12‧‧‧Sampling rate converter

13‧‧‧Digital Signal Processor

14‧‧‧High-pitched filter

141‧‧‧high-pitched speakers

15‧‧‧ bass filter

151‧‧‧woofer

17‧‧‧Bluetooth Receiver

18‧‧‧Microprocessor

Claims (9)

A high-definition audio module includes at least one audio source input terminal for receiving an audio signal, and a sample rate converter electrically connected to the audio source input terminal for receiving an audio signal and re-sampling the audio signal with a high sampling rate. Converting to generate a high-definition audio signal; a digital signal processor electrically connected to the sampling rate converter for receiving a control signal and the high-definition audio signal, and adjusting an environmental parameter of the high-definition audio signal according to the control signal to generate a high-definition An audio output signal; a microprocessor electrically connected to the sampling rate converter and the digital signal processor respectively, wherein the control signal is transmitted to the digital signal processor, and the sampling rate converter is controlled to perform a high sampling rate. The converted parameter; a treble filter electrically connected to the digital signal processor and a tweeter, respectively, for receiving and filtering the high-definition low-frequency output signal in the high-definition audio output signal, and generating a high-definition high-tone output signal to be transmitted to the tweeter; a bass filter, respectively, with the aforementioned digital signal processor, a low The speaker is electrically connected to receive and filter the high-definition high-frequency output signal in the high-definition audio output signal, and generate a high-definition bass output signal to be transmitted to the woofer; thereby, the audio signal is re-converted by the sample rate converter. The high-definition audio signal is transmitted to the digital signal processor, and the digital signal processor generates the high-definition audio output signal according to the environmental parameter of the control signal to adjust the high-definition audio signal, and the high-frequency filter receives and filters the high-definition low-frequency output signal in the high-definition audio output signal to generate the high-definition signal. The treble output signal is transmitted to the tweeter, and the bass filter receives and filters the high The high-definition high-frequency output signal in the clear audio output signal generates a high-definition bass output signal to be transmitted to the woofer, so that the low-sampling audio signal is converted into a high-definition audio signal, and is divided into a high-definition high-tone output signal and a high-definition low-wool output signal respectively. A high-definition audio module as claimed in claim 1, wherein the sample rate converter generates at least a 24-bit/96 kHz high-resolution HD audio signal. The high-definition audio module of claim 1, wherein the audio input terminal can be an audio connection terminal, and/or electrically connected to a Bluetooth receiver. The high-definition audio module of claim 1, wherein the tweeter and the woofer are further disposed on a substrate, and the tweeter and the woofer have an angular difference. A high-definition audio module according to claim 1, further comprising a mid-range filter and a mid-range speaker electrically connected to the mid-range filter, the mid-range filter for receiving and filtering the high-definition audio output The high-definition high-frequency output signal and the high-definition low-frequency output signal in the signal generate a high-definition mid-range output signal to be transmitted to the mid-range speaker. An earphone improved structure has a hanger frame, and two ends of the hanger frame are respectively connected to a movable rotating ear cover body, wherein the ear cover body comprises at least: a substrate, which is provided with a woofer and a tweeter, and A casing covers the woofer and the tweeter, and a first soundproof space is formed between the first casing and the substrate. The first casing is provided with a high-definition audio module, and the high-definition audio module is respectively connected with the woofer and the tweeter. Electrically connected, and a sound source input end electrically connected to the high-definition audio module is disposed between one end of the second casing and the substrate; a second casing is connected to the substrate and covers the first casing, Then first Forming a second soundproof space between the casing and the second casing; an annular pad body connecting and covering the other side surface of the substrate; thereby, the HD audio module converts the audio signal with a low sampling rate It is a high-definition audio signal, and is divided into a high-definition high-tone output signal output to a tweeter, and a high-definition bass output signal is output to the woofer, and the external noise is shielded by the first soundproof space and the second soundproof space, thereby improving the quality of the earphone sound. The earphone improved structure of claim 6, wherein the sound source input end is an audio connection terminal, and/or is electrically connected to a Bluetooth receiver. An earphone improved structure according to claim 6, wherein the tweeter has an angular difference with the woofer. The earphone improved structure according to claim 6, wherein the substrate further comprises a mid-range speaker electrically connected to the high-definition audio module.