TWI407362B - Playing device and audio outputting method - Google Patents

Abstract

A playing device includes a playing unit, an operation interface and an audio output interface. The playing unit includes at least audio decoding units. The audio decoding unit is used for decoding audio documents, to generate audio signals. The operation interface is used for receiving user's operations and driving the playing unit based on the user's operation. The audio output interface includes at least two channels for outputting the corresponding audio signals. An audio outputting method of the playing device is provided as well.

Description

Playback device and audio output method thereof

The present invention relates to an electronic device, and more particularly to a playback device and an audio output method thereof.

With the development of science and technology, the playback device continues to evolve. Currently, portable playback devices for playing audio and video are quite common, and users can play movies or listen to music anytime, anywhere by playing audio and video files on a disc or internal memory.

Since the portable playback device is easy to carry around, the audio or video is often played outside or in public places, such as on a bus or train, in a hospital, etc., in order to prevent others from being disturbed, the user usually uses headphones to listen. Music or dialogue, so the headphones of the portable player are particularly important.

Usually, movies have two dubbings. For example, movies produced in Hong Kong usually have dubbing in both Mandarin and Cantonese. Movies from foreign countries such as Europe, America, Japan and South Korea generally have two versions of original foreign language dubbing and Mandarin dubbing. Movies even have dubbed versions in multiple languages. Users can choose the dubbing version they like according to their needs.

As everyone knows, happiness lies in sharing. Many times, two people watch electricity together. Shadow, the two also have a preference for the choice of dubbed version, such as one who likes Mandarin dubbing, and another who likes the original foreign language dubbing. The audio of today's portable playback devices is output in a dubbed version at the same time, which is difficult to meet the needs of two users for the dubbed version at the same time.

In view of this, it is necessary to provide a playback device that can meet the different needs of multiple users.

In addition, it is necessary to provide an audio output method that can meet the different needs of multiple users.

A playback device includes a player, a user operation interface, a detection unit, an allocation unit, and an audio output interface, and the player further includes at least two audio decoding units for decoding the plurality of audio files and generating a plurality of audio signals, the user operation interface Receiving a user's operation to control the operation of the player, the audio output interface has at least two output channels, the detecting unit is configured to detect whether the at least two audio decoding units work simultaneously; the allocation unit is used to have only one audio When the decoding unit is in operation, the audio signals generated by the decoding unit are simultaneously allocated to the at least two output channels for output, so that the at least two output channels have the same output.

An audio output method of a playback device, the audio output method comprising the steps of: reading a audio file by a user operation, decoding the read audio file, and generating an audio signal; detecting whether the plurality of audio files are simultaneously decoded, when decoding one In the audio file, the decoded audio signals are simultaneously output through at least two output channels of one audio output interface, so that the at least two output channels have phases The same output; when decoding the complex audio file at the same time, simultaneously outputting the decoded complex audio signal by at least two output channels of one audio output interface.

The above-mentioned playing device is provided with at least two audio decoding units for decoding the audio files of the multi-language dubbing to simultaneously output the dubbing in multiple languages, which can simultaneously meet the needs of different users. The above audio output method respectively decodes audio files dubbed in different languages, and simultaneously outputs voice signals of different language dubbing to drive the sound playback device to meet different user requirements.

100‧‧‧Players

101‧‧‧User interface

103‧‧‧ Player

105‧‧‧ memory

107‧‧‧ display

109‧‧‧Detection unit

111‧‧‧Distribution unit

113‧‧‧Audio output interface

115‧‧‧First audio decoding unit

117‧‧‧Second audio decoding unit

119‧‧‧Video Decoding Unit

121‧‧‧First Passage

123‧‧‧second channel

300‧‧‧ headphones

1 is a functional block diagram of a playback device in accordance with a preferred embodiment.

2 is a flow chart of an audio output method of a playback device according to a preferred embodiment.

As shown in FIG. 1, it is a functional module diagram of a playback device 100 according to a preferred embodiment. The playback device 100 includes a user operation interface 101, a player 103, a memory 105, a display 107, a detection unit 109, an allocation unit 111, and an audio output interface 113.

The user operation interface 101 is used to construct an operation platform between the playback device 100 and the user, and deliver various operations of the user to the player 103.

The memory 105 is used to store audio and video documents. In other embodiments, the memory 105 may also be an external storage medium such as a compact disc, a memory card, a hard disk, or the like.

The player 103 is used to read an audio or video document from the memory 105 for playback. The player 103 includes a first audio decoding unit 115, a second audio decoding unit 117, and a video decoding unit 119. The video decoding unit 119 is configured to decode the video file read by the player 103 from the memory 105, and output the video signal to the display 107 for display. The display 107 may also be disposed outside the playback device 100. The first audio decoding unit 115 and the second audio decoding unit 117 are respectively configured to decode the audio files read in the memory 105, and output the first audio signal and the second audio signal, respectively. The audio files decoded by the first audio decoding unit 115 and the second audio decoding unit 117 are determined by user operations, such as the user selecting two different songs or two dubbing files in one movie.

The detecting unit 109 is configured to detect whether the first audio decoding unit 115 and the second audio decoding unit 117 operate simultaneously (eg, whether the audio file is decoded at the same time or at the same time), and output the detection result to the allocating unit 111.

The audio output interface 113 includes a first channel 121 and a second channel 123. The two earphones of the earphone 300 can receive audio signals and sound through the first channel 121 and the second channel 123 of the audio output interface 113, respectively.

The distribution unit 111 outputs the audio signals from the first audio decoding unit 115 or/and the second audio decoding unit 117 to the first channel 121 or/and the second channel 123 of the audio output interface 113 in accordance with the detection result of the detecting unit 109. When the detecting unit 109 detects that the first audio decoding unit 115 and the second audio decoding unit 117 are working simultaneously, the allocating unit 111 will use the first audio signal and the second audio signal from the first audio decoding unit 115 and the second audio decoding unit 117, respectively. The audio signals are respectively output to the first channel 121 and the second channel 123 of the audio output interface 113. The two earphones of the earphone 300 are made to sound corresponding to different audio files. When the detecting unit 109 detects that only the first audio decoding unit 115 and the second audio decoding unit 117 are in operation, such as the first audio decoding unit 115, the allocating unit 111 simultaneously uses the first audio signal from the first audio decoding unit 115. The first channel 121 and the second channel 123 are output to the audio output interface 113, so that the two earphones of the earphone 300 emit sound corresponding to the same audio file. In other embodiments, the two channels of the audio output interface 113 can also be two independent earphone jacks.

When a plurality of users simultaneously enjoy music or video by the playback device 100, two voice data in one movie can be selected and simultaneously decoded by operating the user operation interface 101. At this time, the two earphones of the earphone 300 can be used to respectively play different versions of sound, satisfying the needs of the plurality of users.

As shown in FIG. 2, it is a flowchart of an audio output method of a playback apparatus according to a preferred embodiment, which includes the following steps: Step 401: Read a plurality of audio files in response to a user operation.

Step 403: Decode the read complex audio file at the same time and generate an audio signal.

Step 405: Simultaneously output the decoded audio signal by using a plurality of channels of the audio output interface.

The plurality of channels of the audio output interface can also be a plurality of independent headphone jacks.

The above audio output method simultaneously decodes an audio file including a plurality of voice data, and simultaneously outputs various decoded audio signals through a plurality of different channels, so that a plurality of users can respectively hear their favorite voices while watching the same movie, thereby satisfying The needs of different users.

100‧‧‧Players

101‧‧‧User interface

103‧‧‧ Player

105‧‧‧ memory

107‧‧‧ display

109‧‧‧Detection unit

111‧‧‧Distribution unit

113‧‧‧Audio output interface

115‧‧‧First audio decoding unit

117‧‧‧Second audio decoding unit

119‧‧‧Video Decoding Unit

121‧‧‧First Passage

123‧‧‧second channel

300‧‧‧ headphones

Claims (6)

A playback device includes a player and a user operation interface for decoding an audio file, the user operation interface is for receiving a user's operation to control the operation of the player, and the improvement is that the playback device includes an audio output interface, a detecting unit and an allocating unit, the audio output interface having at least two output channels, the player comprising at least two audio decoding units for decoding a plurality of audio files and generating a plurality of audio signals; the detecting unit is configured to detect the at least two Whether the audio decoding unit works at the same time; the allocation unit is configured to simultaneously allocate the audio signals generated by the audio decoding unit to the at least two output channels for output, so that the at least two output channels have the same Output. The playback device of claim 1, wherein the allocation unit is further configured to allocate the at least two audio signals to the at least two output channels for output when the at least two audio decoding units operate simultaneously . The playback device of claim 1, wherein the playback device further comprises a video decoding unit for decoding the video file, generating a video signal and outputting. An audio output method of a playback apparatus, the audio output method comprising the steps of: reading a audio file by a user operation; decoding the read audio file, and generating an audio signal; detecting whether the plurality of audio files are simultaneously decoded, when decoding When an audio file is used At least two output channels of one audio output interface simultaneously output the decoded audio signals such that the at least two output channels have the same output; when simultaneously decoding the complex audio files, at least two of the audio output interfaces simultaneously The output channels respectively output the decoded complex audio signals. The audio output method of claim 4, wherein the plurality of output channels are complex channels of an audio interface on the playback device. The audio output method of claim 4, wherein the plurality of audio files are two, and the plurality of output channels are two.