TWI535293B - Audio broadcasting apparatus, multimedia av broadcasting system and method thereof - Google Patents

Description

Audio playback device, multimedia audio and video playback system and playing method thereof

The present invention relates to an audio playback device, a multimedia video playback system, and a playback method thereof, and more particularly to an audio playback device, a multimedia video playback system, and a multimedia playback device that wirelessly receive and play multimedia stream data transmitted by a mobile device. Play method.

In recent years, due to the popularization of large-size LCD TVs, coupled with the trend of LCD TVs becoming thinner and can be hung on the wall, the sound effects of LCD TVs are not as good as expected, so audio manufacturers have successively produced sound bars (Sound). Bar) This type of strip-type speaker is used with a large LCD screen to improve the listening experience when watching TV. In addition, the design of the sound bar, the front speaker will naturally be set on the same level; and in the position, the sound of a single sound bar, just the horizontal distribution, is consistent with the large-size LCD TV screen, and generally Compared with the speakers on the left and right sides of the built-in LCD TV, Sound Bar products can have better sound performance.

Under the prior art, with the popularity of wireless video streaming technology, consumers have a lot of demand for wirelessly streaming video and audio data in a handheld device to a television. However, wireless audio playback devices currently used in the market, such as sound bars, generally only accept audio sources from television sources or hand-held devices, and cannot receive wireless image data.

An embodiment of the present invention provides an audio playback device for playing an audio signal. The audio playback device and the mobile device have a first multimedia channel and a second multimedia channel between the audio playback device and the image display. The audio playback device includes an antenna, a wireless receiving unit, a multimedia processing unit, a video transceiver, an audio processing unit, and a speaker. The wireless receiving unit wirelessly receives the multimedia video data transmitted by the mobile device via the antenna, wherein the antenna and the mobile device have a first multimedia channel. The multimedia processing unit is electrically connected to the wireless receiving unit to receive the multimedia stream data and to divide the multimedia stream data into the video stream data and the audio stream data. The audio/video transceiver is electrically connected to the multimedia processing unit to receive the video stream data, and the video stream data is transmitted to the image display via the second multimedia channel for video playback. The audio processing unit is electrically connected to the multimedia processing unit to receive and decode the audio stream data, and transmits the decoded audio stream data to the speaker for audio playback.

In one embodiment of the invention, the audio playback device further includes an audio amplification unit. The audio amplifying unit is electrically connected between the audio processing unit and the speaker, and the audio amplifying unit is configured to amplify the power of the decoded audio stream data.

In one embodiment of the invention, the audio playback device further includes a connector. The connector is electrically connected between the audio-visual transceiver and the image display, wherein the audio-visual transceiver is a high-resolution multimedia audio-visual transceiver, and the connector is a high-resolution multimedia interface.

In one embodiment of the invention, the communication protocol of the wireless receiving unit is a Bluetooth communication protocol standard or a Wi-Fi (IEEE 820.11 series) communication protocol standard.

The embodiment of the invention further provides a multimedia video playback system, which comprises a mobile device, an audio playback device and an image display. The mobile device is configured to transmit multimedia streaming data. The audio playback device is wirelessly connected to the mobile device via the first multimedia channel, and the audio playback device receives the multimedia streaming data and The multimedia streaming data is divided into video streaming data and audio streaming data, wherein the audio playback device transmits the audio streaming data through the speaker for audio playback. The image display is connected to the audio playback device via the second multimedia channel to receive the video stream data for video playback.

The embodiment of the invention further provides a multimedia video playback method for an audio playback device. The audio playback device and the mobile device have a first multimedia channel and a second multimedia channel between the audio playback device and the image display. The audio playback device includes an antenna, a wireless receiving unit, a multimedia processing unit, a video transceiver, an audio processing unit and a speaker, wherein the wireless receiving unit is wirelessly connected to the mobile device, and the multimedia processing unit is electrically connected to the wireless receiving unit, and the audio/video transceiver is electrically connected. The multimedia processing unit and the image display are connected, and the audio processing unit is electrically connected to the multimedia processing unit and the speaker. The multimedia video playback method comprises the steps of: wirelessly receiving multimedia stream data transmitted by a mobile device via an antenna, wherein the antenna and the mobile device have a first multimedia channel; receiving multimedia stream data and diverting the multimedia stream data Streaming data and audio streaming data; transmitting video stream data to the image display via the second multimedia channel for image playback; receiving and decoding the audio stream data, and decoding the decoded audio stream data Transfer to the speaker for audio playback.

In summary, the audio playback device, the multimedia video playback system, and the playing method thereof are provided by the multimedia processing unit, and the multimedia streaming unit is used to split the multimedia streaming data into the video streaming data and the audio streaming data, and the image is Streaming data and audio streaming data are transmitted to the image display and speaker respectively, thereby simplifying the way consumers use the wireless video streaming function and achieving a better viewing and listening experience.

The detailed description of the present invention and the accompanying drawings are to be understood by the claims The scope is subject to any restrictions.

100,200‧‧‧ audio playback device

110‧‧‧Wire receiving unit

120‧‧‧Multimedia processing unit

130‧‧‧Video Transceiver

140‧‧‧Optical Processing Unit

150‧‧‧Audio amplification unit

160‧‧‧Speakers

210‧‧‧Connector

300‧‧‧Multimedia audio and video playback system

310‧‧‧Mobile devices

320‧‧‧Audio playback device

330‧‧‧Image display

ASD‧‧‧ audio streaming data

AT‧‧‧Antenna

IM‧‧‧ image display

MD‧‧‧ mobile device

MSD‧‧‧Multimedia streaming data

MC1‧‧‧ first multimedia channel

MC2‧‧‧Second multimedia channel

VSD‧‧‧Video Streaming Data

S410, S420, S430, S440‧‧ steps

1 is a block diagram of an audio playback device in accordance with an exemplary embodiment of the present invention.

FIG. 2 is a block diagram of an audio playback device according to another exemplary embodiment of the present invention.

FIG. 3 is a block diagram of a multimedia video playback system according to an exemplary embodiment of the invention.

FIG. 4 is a flowchart of a multimedia video playing method according to an exemplary embodiment of the present invention.

Various illustrative embodiments are described more fully hereinafter with reference to the accompanying drawings. However, the inventive concept may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein. Rather, these exemplary embodiments are provided so that this invention will be in the In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Similar numbers always indicate similar components.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, such elements are not limited by the terms. These terms are used to distinguish one element from another. Thus, a first element discussed below could be termed a second element without departing from the teachings of the inventive concept. As used herein, the term "and/or" includes any of the associated listed items and all combinations of one or more.

[Embodiment of Audio Player]

Please refer to FIG. 1. FIG. 1 is a block diagram of an audio playback device according to an exemplary embodiment of the present invention. As shown in FIG. 1 , the audio playback device 100 can be, for example, a sound bar, including an antenna AT, a wireless receiving unit 110, a multimedia processing unit 120, a video transceiver 130, an audio processing unit 140, and an audio amplifying unit 150. With speaker 160. In this embodiment, the first multimedia channel MC1 is provided between the audio playback device 100 and the mobile device MD, and the second multimedia channel is provided between the audio playback device 100 and the image display IM. Multimedia channel) MC2, it is worth mentioning that the first multimedia channel MC1 of the disclosure is a wireless communication channel. The multimedia processing unit 120 is electrically connected to the wireless receiving unit 110 and the audio/video transceiver 130. The audio processing unit 140 is electrically connected to the multimedia processing unit 120. The audio amplifying unit 150 is electrically connected between the audio processing unit 150 and the speaker 160. In this embodiment, the image display IM can be, for example, an OLED display, an LED display, an LCD display, or a plasma display.

Regarding the wireless receiving unit 110, the wireless receiving unit 110 wirelessly receives the multimedia stream data MSD transmitted by the mobile device MD via the antenna AT, wherein the antenna AT and the mobile device MD have a first multimedia channel MC1, and the antenna AT The implementation form is not intended to limit the disclosure. Furthermore, the wireless receiving unit 110 may be a Bluetooth module or a Wi-Fi (IEEE 820.11 series) module, that is, the communication protocol of the wireless receiving unit 110 is a Bluetooth communication protocol standard or Wi-Fi (IEEE 820.11 series) communication. Agreement standard. Further, the mobile device MD can be, for example, a smart phone, a tablet, or a notebook computer.

Regarding the multimedia processing unit 120, the multimedia processing unit 120 is configured to receive the multimedia stream data MSD and divide the multimedia stream data MSD into the video stream data VSD and the audio stream data ASD. Thereafter, the multimedia processing unit 120 transmits the video stream data VSD to the image display IM for video playback, and the multimedia processing unit 120 transmits the audio stream data ASD to the speaker 160 in the audio playback device 100 for audio playback.

Regarding the audio/video transceiver 130, the audio/video transceiver 130 is configured to receive the video stream data VSD, and transmit the video stream data VSD to the image display IM via the second multimedia channel MC2 for video playback. Further, the video transceiver 130 can be connected to the video display IM by wire or wireless communication.

Regarding the audio processing unit 140, the audio processing unit 140 is configured to receive the audio stream The data is decoded and decoded, and the decoded audio stream data ASD is transmitted to the speaker 160 via the audio amplifier 150 for audio playback.

Regarding the audio amplifying unit 150, the audio amplifying unit 150 is configured to amplify the power of the decoded audio stream data ASD.

What will be taught next is to further explain the working principle of the audio playback device 100.

When the user wants to transfer the multimedia video file in the mobile device MD to the video display IM for viewing, the user can use the audio playback device 100 of the disclosed content to split the video signal and the audio signal in the multimedia video file. The image signal in the multimedia video file is transmitted to the image display IM for viewing, and the audio signal in the multimedia video file is played through the speaker 160 in the audio playback device 100, thereby simplifying the user's use of the wireless video stream. The way to set up functions and achieve a better viewing and listening experience.

In detail, when the mobile device MD operated by the user transmits the multimedia stream data MSD to the antenna AT of the audio playback device 100 via the first multimedia channel MC1, the wireless receiving unit 110 receives the multimedia stream via the antenna AT. Information MSD. Next, the wireless receiving unit 110 transmits the multimedia stream data MSD to the multimedia processing unit 120, and then the multimedia processing unit 120 divides the received multimedia stream data MSD into video stream data. VSD and audio stream data ASD. Regarding the subsequent processing of the video stream data VSD, the multimedia processing unit 120 transmits the video stream data VSD to the video transceiver 130. Then, the video transceiver 130 transmits the video stream data VSD to the image display IM via the second multimedia channel MC2 to enable the image display IM to play the image, thereby allowing the user to view the multimedia video file, wherein The second multimedia channel MC2 in this embodiment is a wireless communication channel, that is, the video transceiver 130 here transmits the video stream data VSD to the image display IM in a wireless manner. On the other hand, regarding the audio stream data ASD, the multimedia processing unit 120 transmits the audio stream data ASD to the audio processing unit 140 for audio decoding. Or the related signal processing, and the audio processing unit 140 transmits the decoded audio stream data ASD to the audio amplifying unit 150. In this embodiment, the audio amplifying unit 150 amplifies the power of the decoded audio stream data and transmits it to the speaker for audio playback, thereby allowing the user to listen to good audio surround quality.

In order to explain in more detail the operational flow of the audio playback device 100 of the present invention, at least one of the following embodiments will be further described.

In the following various embodiments, portions different from the above-described embodiment of Fig. 1 will be described, and the remaining omitted portions are the same as those of the above-described embodiment of Fig. 1. In addition, for the sake of convenience, like reference numerals or numerals indicate similar elements.

[Another embodiment of an audio playback device]

Please refer to FIG. 2. FIG. 2 is a block diagram of an audio playback device according to another exemplary embodiment of the present invention. As shown in FIG. 2, unlike the embodiment of FIG. 1 described above, the audio playback device 200 (which may be, for example, a sound bar) further includes a connector 210. The connector 210 is electrically connected between the AV transceiver 130 and the image display IM. In brief, the audio playback device 200 is electrically connected to the image display IM in the form of a wired connection. Therefore, the second multimedia of this embodiment. Channel MC2 is a wired communication channel. It should be noted that, in this embodiment, the video transceiver 130 is a high-resolution multimedia audio/video transceiver, and the connector 210 functions as a high-definition multimedia interface (HDMI). The HDMI interface provides up to 5 Gbps of data transfer bandwidth and delivers uncompressed audio signals and high-resolution video signals. The advantage of using HDMI is that only one HDMI cable is needed to transmit video signals at the same time, instead of requiring multiple wires to connect now; for consumers, HDMI technology not only provides clear picture quality, but also because of audio/ The same cable is used for video, which greatly simplifies the installation of the home AV system.

What will be taught next is to further explain the working principle of the audio playback device 200.

Similarly, when the mobile device MD operated by the user transmits the multimedia stream data MSD to the antenna AT of the audio playback device 100 via the first multimedia channel MC1, The line receiving unit 110 receives the multimedia stream data MSD via the antenna AT. Next, the wireless receiving unit 110 transmits the multimedia stream data MSD to the multimedia processing unit 120, and then the multimedia processing unit 120 branches the received multimedia stream data MSD into the video stream data VSD and the audio stream. Information ASD. Regarding the subsequent processing of the video stream data VSD, the multimedia processing unit 120 transmits the video stream data VSD to the video transceiver 130. Next, the video transceiver 130 transmits the video stream data VSD to the connector 210 and the connector 120 transmits the video stream data VSD to the image display IM via the second multimedia channel MC2 (wired form) to make the image display IM The image is played, so that the user can view the multimedia video file. On the other hand, the audio stream data ASD is the same as the embodiment of FIG. 1 described above, and details are not described herein again.

In addition, in an embodiment, when the image display IM plays an analog television program or a digital television program, the image display IM (such as an LCD display) can transmit the audio signal to the audio playback device 200 for audio playback. That is to say, the image display IM transmits the audio signal to the connector 210 (HDMI), the audio/video transceiver 130 and the multimedia processing unit 120 through the cable. Then, the multimedia processing unit 120 transmits the audio signal to the speaker 160 via the audio processing unit 140 and the audio amplifying unit 150 for audio playback.

[An embodiment of a multimedia video playback system]

Please refer to FIG. 3. FIG. 3 is a block diagram of a multimedia video playback system according to an exemplary embodiment of the present invention. As shown in FIG. 3, the multimedia video playback system 300 includes a mobile device 310, an audio playback device 320 (which may be, for example, a sound bar), and an image display 330. The mobile device 310 wirelessly connects to the audio playback device 320, and the audio playback device 310 is connected to the video display 330 (wired or wireless). The mobile device 310 is configured to transmit the multimedia stream data MSD. The audio playback device 320 is wirelessly connected to the mobile device 310 via the first multimedia channel MC1, and the audio playback device 320 is wirelessly or wiredly connected to the image display 330 via the second multimedia channel MC2. The audio playback device 320 receives the multimedia stream data MSD and streams the multimedia data The MSD is divided into a video stream data VSD and an audio stream data ASD (not shown in FIG. 3). The audio playback device 320 transmits the audio stream data ASD through a speaker (not shown in FIG. 3) for audio playback. It should be noted that the audio playback device 320 may be one of the audio playback devices 100 and 200 in the above embodiments.

[An embodiment of a multimedia video playback method]

Please refer to FIG. 4. FIG. 4 is a flowchart of a multimedia video playing method according to an exemplary embodiment of the present invention. The exemplary step flow described in this embodiment can be implemented by using the audio playback device 100 or 200 (the audio playback device 100 or 200 can be a sound bar) as shown in FIG. 1 or FIG. 2, so please refer to FIG. 1 or FIG. 2 to illustrate and understand. The multimedia video playback method includes the following steps: the wireless receiving unit wirelessly receives the multimedia stream data transmitted by the mobile device via the antenna, wherein the antenna and the mobile device have a first multimedia channel (step S410). The multimedia processing unit receives the multimedia stream data and offloads the multimedia stream data into the video stream data and the audio stream data (step S420). The video transceiver transmits the video stream data to the image display via the second multimedia channel for video playback (step S430). And the audio processing unit receives the audio stream data and decodes the decoded audio stream data to the speaker for audio playback (step S440).

The details of the steps of the multimedia video playback method of the multimedia video playback system have been described in detail in the above embodiments of FIG. 1 to FIG. 3, and are not described herein. It should be noted that the steps of the embodiment of FIG. 4 are only for convenience of description, and the embodiments of the present invention do not use the steps of the steps as a limitation of the embodiments of the present invention.

In summary, the audio playback device, the multimedia video playback system, and the playing method thereof are provided by the multimedia processing unit, and the multimedia streaming unit is used to split the multimedia streaming data into the video streaming data and the audio streaming data, and the image is Streaming data and audio streaming data are transmitted to the image display and speaker respectively, thereby simplifying the way consumers use the wireless video streaming function and achieving a better viewing and listening experience.

The invention can be embodied in any suitable form, including hardware, software, firmware, or any combination of the above. The invention may also be implemented in part by computer software executing on one or more data processors and/or digital signal processors. The units and components of the embodiments of the invention may be implemented in any suitable manner, physically, functionally, and logically. In fact, a function can be implemented in a single unit, in a plurality of units, or as part of other functional units. As far as the invention is concerned, it can be implemented on a single unit, or physically and functionally distributed between different units and processors.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the invention.

100‧‧‧Audio playback device

110‧‧‧Wire receiving unit

120‧‧‧Multimedia processing unit

130‧‧‧Video Transceiver

140‧‧‧Optical Processing Unit

150‧‧‧Audio amplification unit

160‧‧‧Speakers

ASD‧‧‧ audio streaming data

AT‧‧‧Antenna

IM‧‧‧ image display

MD‧‧‧ mobile device

MSD‧‧‧Multimedia streaming data

MC1‧‧‧ first multimedia channel

MC2‧‧‧Second multimedia channel

VSD‧‧‧Video Streaming Data

Claims (11)

An audio playback device has a first multimedia channel between a mobile device and a second multimedia channel, and the audio playback device includes: an antenna; a wireless receiving unit via The antenna is configured to wirelessly receive one of the multimedia stream data transmitted by the mobile device, wherein the antenna and the mobile device have the first multimedia channel; a multimedia processing unit electrically connected to the wireless receiving unit to receive the The multimedia stream data is divided into an image stream data and an audio stream data; an audio/video transceiver is electrically connected to the multimedia processing unit to receive the image stream data, and the image string is The stream data is transmitted to the image display via the second multimedia channel for image playback; an audio processing unit is electrically connected to the multimedia processing unit to receive the audio stream data and decoded; and a speaker receives the decoded data The audio stream is streamed and played for audio; wherein the video transceiver is further configured to receive the image display One of the audio signal is transmitted, and transmits the audio signal to the multimedia processing unit, the multimedia processing unit transmits the decoded audio signal for the speaker to play the audio through the audio processing unit. The audio playback device of claim 1, further comprising: an audio amplifying unit electrically connected between the audio processing unit and the speaker, wherein the audio amplifying unit is configured to amplify the power of the decoded audio stream data . The audio playback device of claim 1, further comprising: a connector electrically connected between the video transceiver and the image display, wherein The AV transceiver is a high-resolution multimedia audio/video transceiver, and the connector is a High Definition Multimedia Interface (HDMI). The audio playback device of claim 1, wherein the communication protocol of the wireless receiving unit is a Bluetooth communication protocol standard or a Wi-Fi (IEEE 820.11 series) communication protocol standard. A multimedia video playback system includes: a mobile device for transmitting a multimedia stream data; an audio playback device including a speaker, the audio playback device wirelessly connected to the mobile device via a first multimedia channel, The audio playback device receives the multimedia stream data and streams the multimedia stream data into an image stream data and an audio stream data, wherein the audio playback device transmits the audio stream data through the speaker for audio playback; The image display device is connected to the audio playback device via a second multimedia channel to receive the video stream data for video playback. The audio playback device further includes: an antenna; a wireless receiving unit, wirelessly via the antenna Receiving the multimedia stream data transmitted by the mobile device, wherein the antenna and the mobile device have the first multimedia channel; a multimedia processing unit electrically connected to the wireless receiving unit to receive the multimedia stream data And dividing the multimedia stream data into the image stream data and the sound Streaming data; an audio/video transceiver electrically connected to the multimedia processing unit to receive the video stream data, and transmitting the video stream data to the image display via the second multimedia channel for video playback; An audio processing unit electrically connected to the multimedia processing unit to receive and decode the audio stream data, and to decode the decoded audio string Streaming data is transmitted to the speaker for audio playback; wherein the audio/video transceiver is further configured to receive an audio signal transmitted by the image display, and transmit the audio signal to the multimedia processing unit, the multimedia processing unit transmits the audio signal The audio processing unit performs decoding and transmits to the speaker for audio playback. The multimedia video playback system of claim 5, wherein the audio playback device further comprises: an audio amplification unit electrically connected between the audio processing unit and the speaker, wherein the audio amplification unit is configured to amplify the decoded The power of audio streaming data. The multimedia audio-visual playback system of claim 5, wherein the audio playback device further comprises: a connector electrically connected between the audio-visual transceiver and the image display, wherein the audio-visual transceiver is configured to transmit and receive high-resolution multimedia audio and video And the connector is a high-resolution multimedia interface. The multimedia video playback system according to claim 5, wherein the communication protocol of the wireless receiving unit is a Bluetooth communication protocol standard or a Wi-Fi (IEEE 820.11 series) communication protocol standard. A multimedia video playback method for an audio playback device, the audio playback device and a mobile device have a first multimedia channel and a second multimedia channel between the audio playback device and an image display device The audio playback device includes an antenna, a wireless receiving unit, a multimedia processing unit, a video transceiver, an audio processing unit, and a speaker, wherein the wireless receiving unit is wirelessly connected to the mobile device, and the multimedia processing unit is electrically connected. The wireless receiving unit is electrically connected to the multimedia processing unit and the image display, the audio processing unit is electrically connected to the multimedia processing unit and the speaker, and the multimedia video playing method comprises: the wireless receiving unit via the antenna Wirelessly receiving the mobile device to transmit a multimedia stream data, wherein the antenna and the mobile device have the first multimedia channel; the multimedia processing unit receives the multimedia stream data and offloads the multimedia stream data into an image stream data and a Audio stream data; the video transceiver transmits the video stream data to the image display for video playback via the second multimedia channel; and the audio processing unit receives the audio stream data and decodes it, and Decoding the audio stream data to the speaker for audio playback; wherein the video transceiver is further configured to receive an audio signal transmitted by the image display, and transmit the audio signal to the multimedia processing unit, the multimedia processing The unit decodes the audio signal through the audio processing unit and transmits the audio signal to the speaker for audio playback. The multimedia video playback device of claim 9, wherein the audio playback device further comprises: an audio amplification unit electrically connected between the audio processing unit and the speaker, wherein the audio amplification unit is configured to amplify the decoded The power of audio streaming data. The multimedia video playback method of claim 9, wherein the audio playback device further comprises: a connector electrically connected between the audio/video transceiver and the image display, wherein the audio/video transceiver is for high-resolution multimedia audio and video transmission and reception And the connector is a high-resolution multimedia interface.