TW201531934A - Electronic device and sound source processing method - Google Patents

Abstract

Electronic device and sound source processing method are disclosed. The sound source processing method includes following steps: reading and processing a sound source file to generate a first playing file; implementing a sound effect for the first playing file to generate a second file; and, storing the second file.

Description

Electronic device and audio source file processing method

The invention relates to an electronic device and a sound source file processing method, in particular to an electronic device and a sound source file processing method for performing sound effect processing on a sound source file in a power management mode.

Due to the advancement of technology, users have more and more entertaining requirements for electronic devices such as notebook computers, smart phones, and tablet computers. Coupled with the continuous development and innovation of the electronics industry in recent years, electronic devices have been simulated for sound source files. The operation and the speed of access are constantly increasing, so that the current electronic device can provide users with stereo surround sound effects such as in person. However, most of the stereo surround sound effects require a large amount of simulation calculations by the central processing unit. The central processing unit needs to continue to operate, and the electronic device cannot enter the standby state, so that the power consumption of the electronic device continues to increase. Therefore, how to make the electronic device in the standby state can still perform the sound effect processing and play the stereo surround sound effect, which is a subject worth studying.

The main object of the present invention is to provide a sound source file processing method for performing sound effect processing on a sound source file in a power management mode.

Another main object of the present invention is to provide an electronic device that still performs sound processing on a sound source file in a power management mode.

To achieve the above objects, an electronic device of the present invention includes a central processing unit, a memory, and a sound source processing unit. The central processor is configured to read and process the sound source file to generate a first sound source play file, and in the power management mode, perform a sound effect processing program on the first sound source play file every predetermined time to generate a second sound source play file. The memory is electrically connected to the central processing unit and stores the second audio source playback file. The sound source processing unit is electrically connected to the central processing unit and the memory, and the sound source processing unit reads and plays the second audio source playing file.

The invention further provides an audio source file processing method, which is applied to an electronic device in a power management mode. The voice file processing method comprises the following steps: reading and processing a sound source file to generate a first sound source play file; in the power management mode, each Performing a sound processing program on the first sound source play file to generate a second sound source play file at a predetermined time; and storing the second sound source play file.

By designing the sound source file processing method of the present invention, the central processing unit of the electronic device can still perform sound effect processing in the power management mode, thereby saving power consumption of the central processing unit and increasing the use time of the electronic device.

In order to enable the reviewing committee to better understand the technical contents of the present invention, the preferred embodiments are described below.

Please refer to FIG. 1 for a hardware architecture diagram of an embodiment of an electronic device of the present invention. The electronic device 1 of the present invention has a power management mode, and the electronic device 1 can be a notebook computer, a desktop computer, a smart phone, or a tablet computer, and the present invention is not limited thereto, and the electronic device 1 can also be applied. On other devices with power management mode.

In the embodiment, the electronic device 1 includes a central processing unit 10, a memory 20, a sound source processing unit 30, a digital/analog conversion module 40, and a playback unit 50. The central processing unit 10 is configured to read and process the sound source file 100 to generate the first sound source playing file 111, and perform sound processing processing on the first sound source playing file 111 every predetermined time while the electronic device 1 is in the power management mode. A second source play file 112 having a ring field effect is generated. The sound processing program to which the present invention is applicable may be any arithmetic program that simulates a surround sound effect. In this embodiment, the power management mode is Connected standby mode, the predetermined time is 8 seconds, and the sound processing program is a Dolby sound processing program.

Since in the connection standby mode, the central processing unit 10 is set to wake up every 8 seconds in order to execute the necessary program when the electronic device 1 operates, with this feature, the central processing unit 10 is caused to perform the first sound source at the time of being woken up. The Dolby sound processing program of the file 111 is played to generate a second source playback file 112 having a Dolby effect.

The memory 20 is electrically connected to the central processing unit 10, and the central processing unit 10 stores the processed second audio source playback file 112 in the memory 20. The sound source processing unit 30 is electrically connected to the central processing unit 10 and the memory 20, and the sound source processing unit 30 reads and processes the second sound source playing file 112 of the sound effect processing program. In this embodiment, the sound source processing unit 30 is a hardware control chip, but the invention is not limited thereto. The digital/analog conversion module 40 is electrically connected to the sound source processing unit 30 for converting the second audio source playback file 112 from the digital signal to the analog signal, and then transferring the second audio source playback file 112 to the playback unit 50 for playing in the present embodiment. In the example, the playback unit 50 is a speaker.

Please refer to FIG. 2, which is a flow chart of the steps of the method for processing the sound source file of the present invention. It should be noted that the audio device file processing method of the present invention is described below with reference to the electronic device 1 shown in FIG. 1 . However, the present invention is not limited thereto, and any electronic device having a similar architecture or function can be applied to the present invention. The invention relates to a method for processing audio source files. As shown in FIG. 2, the sound source file processing method of the present invention includes steps S1 to S3. The various steps of the method are described in detail below.

Step S1: Reading and processing the sound source file to generate a first sound source play file.

When the user wants to listen to music by using the electronic device 1, the central processing unit 10 first reads the sound source file 100 (eg, mp3 file), and processes the sound source file 100 from the original sound source format (eg, mp3 format) into an electronic device. 1 playable PCM file, and form the first source play file 111. It should be noted that this step is only for the file format conversion file format, and does not perform any analog ring sound processing.

Step S2: In the power management mode, a sound effect processing program is performed on the first sound source play file every predetermined time to generate a second sound source play file.

In this embodiment, the power management mode is Connected standby mode, in which the central processing unit 10 is set to wake up every 8 seconds, and the sound source file processing method of the present invention is utilized by the central processing unit 10 At the time of wake-up, the central processor 10 performs a Dolby sound processing procedure on the first source playback file 111 to generate a second source playback file 112 having Dolby surround sound effects. With this procedure, not only can the operation time of the central processing unit 10 be saved, but the power consumption of the electronic device 1 can be further reduced. It should be noted that in order to avoid occupying too much random access memory (RAM) space when processing the audio file, the central processing unit 10 segments the audio stream of the audio file 100, for example, a length of 3 minutes. The 50-second audio stream will be divided into a plurality of audio stream segments, and the central processor 10 will complete the file format conversion and sound processing of at least one or a plurality of audio stream segments each time the CPU 10 wakes up. In this respect, the connected device (Connected standby mode) can be maintained, and on the other hand, the running time of the central processing unit 10 can be saved.

Step S3: storing the second source play file.

The second source play file 112 (sound source section) that completes the sound effect processing program will be stored in the memory 20 so that the sound source processing unit 30 reads and performs subsequent processing steps, such as: playing a second sound source having Dolby sound effects. The file 112 is sent to the digital/analog conversion module 40 for digital conversion analog signal conversion, and then transferred to the playback unit 50 for playback to complete the music playing program. It should be noted that the processing steps of the subsequent sound source processing unit 30 are conventional techniques, and therefore will not be described again.

By using the sound source file processing method of the present invention, the electronic device 1 can play the sound source file with Dolby sound effect in the Connected standby mode, so that the central processing unit 10 can only perform a large amount of calculation in the time of being awakened. The sound processing program, thereby reducing the power consumption of the electronic device 1 battery, also increases the practicality and entertainment of the electronic device 1, and solves the problems of the prior art.

It should be noted that the above is only an embodiment, and is not limited to the embodiment. Therefore, those who do not depart from the basic structure of the present invention should be bound by the scope of the patent, and the scope of the patent application shall prevail.

1‧‧‧Electronic device
10‧‧‧Central processor
20‧‧‧ memory
30‧‧‧Source processing unit
40‧‧‧Digital/Analog Conversion Module
50‧‧‧Play unit
100‧‧‧ audio source file
111‧‧‧First source playback file
112‧‧‧Second audio source file

1 is a hardware architecture diagram of an embodiment of an electronic device of the present invention. 2 is a flow chart showing the steps of an embodiment of the sound source file processing method of the present invention.

Step S1 to step S3

Claims (8)

An electronic device, wherein the electronic device has a power management mode, the electronic device includes: a central processing unit for reading and processing a sound source file to generate a first sound source play file, and in the power management mode, Performing a sound processing program on the first sound source playing file to generate a second sound source playing file every predetermined time; a memory is electrically connected to the central processing unit, and the memory stores the second sound source playing file; A sound source processing unit is electrically connected to the central processing unit and the memory, and the sound source processing unit reads and processes the second audio source playing file. The electronic device of claim 1, wherein the power management mode is a Connected standby mode. The electronic device of claim 2, wherein the sound processing program is a Dolby sound processing program. The electronic device of claim 4, wherein the predetermined time is 8 seconds. A sound source file processing method is applied to an electronic device in a power management mode, the voice file processing method includes the following steps: reading and processing a sound source file to generate a first sound source play file; in the power management mode, Performing a sound effect processing program on the first sound source playing file to generate a second sound source playing file every predetermined time; and storing the second sound source playing file. The audio source file processing method according to claim 6, wherein the power management mode is a Connected standby mode. The audio source file processing method according to claim 7, wherein the sound effect processing program is a Dolby sound processing program. The method for processing a sound source file according to claim 8, wherein the predetermined time is 8 seconds.