TWI393126B - Audio playing apparatus and method thereof - Google Patents

Description

Audio playback device and its playing method

The present invention relates to an audio playback device and method.

At present, many audio playback devices play audio data that are pre-recorded audio data stored in the storage unit. These files are a complete file and are generally played in sequence during playback. In response to these formats of audio, the existing audio playback system provides a skip operation (previous and next) to allow the user to skip playing the audio during playback of the audio material. This mode can only be used in files and files. The skip operation is performed, but when playing an audio, the user often wants to find a certain part of the content in the played audio, such as the climax part of the music audio, the wonderful part of the story audio, the piece to be recited in the text, and the like.

At present, although many audio playback devices provide a drag strip during audio playback, the user can select the time of playback by dragging the strip. But this approach does not allow the user to find the desired location quickly and accurately.

In view of this, the present invention provides an audio playback apparatus and method for enabling a user to quickly and accurately find a desired portion by setting a plurality of control points for the audio material to be played.

The audio playback device includes a storage unit, an input unit, an audio decoding unit, and an audio output unit. The storage unit stores at least one audio material, the audio data includes a control information and a main audio, and the main audio is divided. Multiple controls are set in the control information for several sections Point information, each control point information records the starting displacement of each section of the main audio; the audio playback device further includes an audio acquisition module for receiving the main audio from the storage unit in response to the user's playing operation; an audio playback The module transmits the obtained main audio to the audio decoding unit and outputs it to the audio output unit, and an input judgment module is configured to determine whether a skip operation is received from the input unit; a jump to the number determination module For determining that a skip operation is received when the input judgment module determines that a skip operation is received; a skip execution module jumps to the number of sections determined according to the jump to the number determination module, and the slave control information Get the starting displacement of the number of sections of the main audio to jump to, and then control the audio playback module to read the audio from the starting displacement.

The audio playback device in the playing method of the audio playback device includes a storage unit, the storage unit stores at least one audio material, the audio data includes a control information and a main audio, and the main audio is divided into sections, the control A plurality of control point information is set in the information, and each control point information records a starting displacement of each section of the main audio; the method includes: acquiring main audio from the storage unit, and transmitting the acquired main audio to an audio decoding unit After decoding, output by an audio output unit; determining whether a skip operation is received from an input unit; determining a number of sections of main audio to jump to when receiving a skip operation; jumping according to the determined need The number of sections of the main audio, the starting displacement of the number of sections of the main audio to jump to is obtained from the control information; the main audio is read from the initial shift, and then the step of receiving the skip skip operation is returned.

Compared with the prior art, the audio playing device and method of the present invention set a plurality of control points for the main audio, and can be selected according to the control point. Part of it so that you can find the parts you need quickly and accurately.

Please refer to FIG. 1, which is a block diagram of an audio playback device. The audio playback device includes a storage unit 11, a central processing unit 12, an audio decoding unit 13, an audio output unit 14, and an input unit 15. In an embodiment of the invention, at least one audio material 111 is stored in the storage unit 11. As shown in FIG. 2, the audio material 111 includes a control information 21 and a main audio 22. In this embodiment, each audio material 111 is a single file. In another embodiment of the present invention, each audio material 111 is composed of multiple files, and the control information 21 and the main audio 22 are differently independent. The file is stored in the storage unit 11. The main audio 22 can be a text, a story, a piece of music, and the like. Here, the main audio is divided into a plurality of sections, and a plurality of control point information is set in the control information 21, and each control point information records a starting displacement of each section of the main audio, as shown in FIG.

The central processing unit 12 includes an audio data acquisition module 121, an audio playback module 122, an input determination module 123, a jump to the number determination module 124, and a skip execution module 125. The audio data acquisition module 121 is configured to acquire the audio material 111 to be played from the storage unit 11. The audio playback module 122 transmits the main audio 22 of the acquired audio material 111 to the audio decoding unit 13 for decoding and output by the audio output unit 14. The input determination module 123 determines whether a skip operation signal is received from the input unit 15, and if the skip skip operation signal is not received, the audio playback 122 continues to sequentially play the main audio of the audio material, or receives other When operating signals (such as pausing, stopping, or skipping audio data), perform functions corresponding to other input signals. If a skip skip operation signal is received, the The jump to the number of sections determination module 124 determines the number of sections to be skipped to the audio material.

In an embodiment of the present invention, the input unit 15 of the audio playback device is provided with a skip button, and the user can input a skip operation signal through the set skip button, and the skip operation can jump to the previous section. Jump to the next section, skip to the first section, skip to the last section, etc. If you press the left button to jump to the previous section, keep pressing the left button to jump to the first section, press the right button to jump to the next section, continue Pressing the right button to jump to the last section, the audio playing module 122 also records the number of currently playing audio data sections of the main audio when the main audio 22 is played, and the jump to the number determining module 124 is based on the recorded main audio. The current playing section number and the user's skip operation signal determine to jump to the number of sections. If the current playing section number of the main audio is the second section, the user's section skipping operation signal is to jump to the next section, then jump to the section. The third section of the main audio, in another embodiment of the present invention, the audio playback device has a function of setting an input specific jump to the number of sections, that is, the user can directly input the required jump to the number of sections through the input unit 15. , then jump to the number of sections Jump to a given number of sections and recognition module 124 receives input directly.

The skip execution module 125 obtains the jump from the control information 21 to the start displacement of the information record corresponding to the control point of the control point according to the number of jumps determined by the jump to the number-of-section determination module 123, and then controls the audio play mode. Group 122 plays from the initial displacement of the primary audio. If the input determination module 123 determines to jump to the third section of the main audio according to the input, the skip execution module 125 acquires the record at the control point 3 corresponding to the third section of the main audio from the control information 21. The initial shift reads the main audio 22 from the initial displacement recorded by control point 3.

If the jump to the number-of-section determination module 124 determines that the number of jumps is greater than the main audio The total number of sections can be jumped to the last section of the main audio by default. When the last section of the main audio is played, the audio data acquisition module 121 acquires the next audio material for playback.

During the playing of the main audio, if the input determining module 123 receives the operation signal for skipping the audio data, the audio playing module 122 stops playing the currently played audio data, and the audio data acquiring module 121 performs the operation according to the user. The signal acquires the next audio material for playback.

As shown in FIG. 4, it is a flowchart of an audio playing method applied to an audio playback device. First, the audio data acquisition module 121 is configured to acquire audio data to be played from the storage unit 11 (step S401).

The audio playback module 122 transmits the main audio 21 of the acquired audio material to the audio decoding unit 13 for decoding and output by the audio output unit 14. (Step S402).

The input determination module 123 determines whether a partial skip operation signal is received from the input unit 15 (step S403), if not, proceeds to step S401, or when other input signals are received, performs other input signals. Features,

If a section skip operation signal is received, the jump to the number-of-section determination module 124 determines the jump of the main audio to the number of sections (step S404).

The skip execution module 125 acquires the start displacement of the jump to the number of sections from the control point information corresponding to the number of sections in the control information 21 according to the number of jumps determined by the input determination module 123 (step S405).

Then, the skip execution module 125 controls the audio play module 122 from the beginning. The main audio 22 is read at the start of the shift for playback (step S406). Then, the process returns to step S403.

11‧‧‧ storage unit

12‧‧‧Central Processing Unit

13‧‧‧Audio decoding unit

14‧‧‧Audio output unit

15‧‧‧Input unit

111‧‧‧Audio data

21‧‧‧Control information

22‧‧‧Main audio

121‧‧‧Audio file acquisition module

122‧‧‧Audio playback module

123‧‧‧Input judgment module

124‧‧‧ Jump to the number of nodes to determine the module

125‧‧‧ Skip execution module

1 is a block diagram of an audio playback device; FIG. 2 is a schematic diagram of a data structure of the audio material; FIG. 3 is a schematic diagram of control information; and FIG. 4 is a flowchart of an audio playback method applied to the audio playback device.

11‧‧‧ storage unit

12‧‧‧Central Processing Unit

13‧‧‧Audio decoding unit

14‧‧‧Audio output unit

15‧‧‧Input unit

111‧‧‧Audio data

121‧‧‧Audio file acquisition module

122‧‧‧Audio playback module

123‧‧‧Input judgment module

124‧‧‧ Jump to the number of nodes to determine the module

125‧‧‧ Skip execution module

Claims (12)

An audio playback device includes a storage unit, an input unit, an audio decoding unit, an audio output unit, an audio acquisition module, and an audio playback module. The storage unit stores at least one audio material. The audio acquisition module obtains an audio data from the storage unit in response to the user's playback operation, and the audio playback module transmits the main audio of the acquired audio data to the audio decoding unit for decoding and output by the audio output unit: the improvement is: The audio data includes a control information and a main audio, the main audio is divided into a plurality of sections, the control information is provided with a plurality of control point information, and each control point information records a starting displacement of each section of the main audio; the audio The playback device further includes: an input determination module, configured to determine whether a skip operation is received from the input unit; and a jump to the number determination module, when the input determination module determines that a skip operation is received, Determine to jump to the number of sections; a skip execution module, according to the jump to the number of sections to determine the module to jump to the number of sections, from the sound Control information of data acquired in the initial section of displacements corresponding to the skip recording control point, the control module displays the audio playback of the primary audio from the beginning of the displacement. The audio playback device of claim 1, wherein each audio material is a single file. The audio playback device of claim 1, wherein the audio material is composed of a plurality of files, and the main audio and the control information are stored in the storage unit in different independent files. The audio playback device of claim 1, wherein the audio playing module is further configured to record a current playing number of the played main audio when the main audio is played; the input unit includes a skip button. The user skips to the previous section by skipping the key input and skips to the section skip operation signal of the next section. The jump to the number of sections determines that the number of sections of the main audio to jump to is based on the current audio. The number of play sections and the section skip operation signal determine the number of jumps to the number of sections. The audio playback device of claim 1, wherein the audio playback device has a function of directly inputting a number of jumps to a number of sections, and directly inputting a function of jumping to a number of sections is a direct input of the user to input through the input unit. When the number of the main audio is reached, the jump to the number determination module determines the number of the main audio to jump to by identifying the user's input. The audio playback device of claim 5, wherein the jump to the number determination module is further configured to determine whether the number of jumps is greater than a total number of sections of the main audio, and if the number of jumps is greater than the main audio The total number of sections can be defaulted to the last section of the main audio. A method for playing an audio playback device, the audio playback device comprising a storage unit, the storage unit storing at least one audio material, the audio data comprising a control information and a main audio, the main audio is divided into sections, the control information A plurality of control point information is set, and each control point information records a starting displacement of each section of the main audio; the improvement is that the method comprises: acquiring main audio from the storage unit, and transmitting the acquired main audio to a The audio decoding unit is decoded and output by an audio output unit; it is determined whether a skip operation is received from an input unit; when it is determined that a skip operation is received, it is determined to jump to the number of sections; According to the determined jump to the number of sections, the starting displacement recorded at the control point corresponding to the number of segments is obtained from the control information of the audio data, the main audio is played from the starting displacement, and then the skip is received. The steps of the operation. The method for playing an audio playback device according to claim 7, wherein each audio material is a single file. The method for playing an audio playback device according to claim 7, wherein the audio material is composed of a plurality of files, and the main audio and the control information are stored in the storage unit in different independent files. The method for playing an audio playback device according to claim 7, wherein the method further comprises the steps of simultaneously recording the current playing number of the played main audio while playing the main audio, and determining the main to jump to. When the number of sections of the audio is first, the number of current play sections of the recorded main audio is first acquired, and then the jump to the number of sections is determined according to the user's section skip operation signal. The method for playing an audio playback device according to claim 7, wherein in the step of determining the number of jumps to the number of sections, determining the manner of jumping to the number of sections is: by recognizing an operation of the user input to jump to the number of sections The signal determines to jump to the number of sections. The method for playing an audio playback device according to claim 11, wherein if the determined number of jumps is greater than the total number of sections of the main audio, the default is to jump to the last section of the main audio.