CN203761522U

CN203761522U - High-power video player

Info

Publication number: CN203761522U
Application number: CN201420018140.7U
Authority: CN
Inventors: 杜元源
Original assignee: Guangdong City Leiyon Electronic Technology Co ltd
Current assignee: Guangdong Leiyang Intelligent Technology Co ltd
Priority date: 2014-01-10
Filing date: 2014-01-10
Publication date: 2014-08-06
Anticipated expiration: 2024-01-10

Abstract

The utility model discloses a high-power video player comprising an audio frequency processing assembly and an audio frequency output assembly. The audio frequency processing assembly includes a data formatting module, a sound effect processing module, a volume amplitude limit module, a PWM module, a coding output module, a phase loop lock module, a system I2C control interface, a power supply driving module and an analog-to-digital converter. The audio frequency output assembly includes a PWM receiving and coding module, a sound channel output driving module, a loudspeaker and an overload protection module. The data formatting module assembles a digital audio signal to a signal in a 24-bit format. The sound effect processing module is used for processing sound effects and sound fields. The volume amplitude limit module is used for automatic amplitude limit. The PWM module is used for pulse-width modulation sampling. The phase ring lock module generates sequence signals through sequence phase loop lock. The PWM receiving and coding module is used for receiving PWM codes and compiling and coding the codes to different sound channels. Through the above structural design, the power output can be effectively improved to achieve a high-power purpose.

Description

A kind of high-power video player

Technical field

The utility model relates to video player technical field, relates in particular to a kind of high-power video player.

Background technology

The capital equipment of playing as a kind of video data, video player is applied general completely in daily life; And along with people's living standard constantly improves, people are also more and more higher to the requirement of video player.

The lower defect of existing video player ubiquity power, and performance number is generally 80%; For the lower defect of the existing power of existing video player, be necessary to provide a kind of powerful video player.

Summary of the invention

The purpose of this utility model is to provide a kind of high-power video player for the deficiencies in the prior art, and this high-power video player can be realized high-power output, and efficiency is high.

For achieving the above object, the utility model is achieved through the following technical solutions.

A kind of high-power video player, include audio frequency and process assembly and audio frequency output assembly, audio frequency is processed assembly and is included providing data formatting module, audio processing module, volume amplitude limit module, PWM module, coding output module, phase loop lock module, system I2C controls interface, the analog to digital converter of the electric power driving module being electrically connected to external power source and audio reception input signal, analog to digital converter, providing data formatting module, audio processing module, volume amplitude limit module, PWM module and coding output module are electrically connected to successively, electric power driving module is controlled interface with phase loop lock module and system I2C respectively and is electrically connected to, system I2C control interface also respectively with phase loop lock module, analog to digital converter, providing data formatting module, audio processing module, volume amplitude limit module and PWM module are electrically connected to, phase loop lock module is also electrically connected to analog to digital converter, audio frequency output assembly includes the overload protection module that PWM reception is exported driver module, loud speaker and is electrically connected to external power source with coding module, sound channel, coding output module, PWM reception are electrically connected to successively with coding module, sound channel output driver module and loud speaker, and overload protection module receives and is electrically connected to coding module with PWM.

Wherein, described volume amplitude limit module is electrically connected with descending sampling module, and the output of descending sampling module is electrically connected with serial data output module.

The beneficial effects of the utility model are: a kind of high-power video player described in the utility model; it comprises that audio frequency is processed assembly, audio frequency is exported assembly; audio frequency is processed assembly and is comprised that providing data formatting module, audio processing module, volume amplitude limit module, PWM module, coding output module, phase loop lock module, system I2C control interface, electric power driving module and analog to digital converter, and audio frequency output assembly comprises that PWM reception and coding module, sound channel export driver module, loud speaker and overload protection module.Analog-to-digital conversion device is for converting simulated audio signal to digital audio and video signals, providing data formatting module is 24 bit format for digital audio and video signals is collected, audio processing module is by using digital computing to do audio and sound field is processed, volume amplitude limit module can be when continuous high pitch automatic amplitude limit with protection rear class loop, PWM module is for pulse width modulation sampling, coding output module is used for exporting PWM coding, phase loop lock module is by sequential phase place ring lock and produce clock signal, PWM receives the PWM exporting for received code output module from coding module and encodes and compile and separate different sound channels, wherein, each loud speaker drives by corresponding sound channel output driver module.By said structure, design, the utility model can improve power stage effectively, and then realizes powerful object, and efficiency is high.

Accompanying drawing explanation

Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing does not form any restriction of the present utility model.

Fig. 1 is structural representation of the present utility model.

In Fig. 1, include:

1---digital to analog converter 2---providing data formatting module

3---audio processing module 4---volume amplitude limit module

5---PWM module 6---coding output module

7---phase loop lock module 8---system I2C controls interface

9---electric power driving module 10---PWM receives and coding module

11---sound channel output driver module 12---loud speaker

13---overload protection module 14---descending sampling module

15---serial data output module.

Embodiment

Below in conjunction with concrete execution mode, the utility model is described.

As shown in Figure 1, a kind of high-power video player, include audio frequency and process assembly and audio frequency output assembly, audio frequency is processed assembly and is included providing data formatting module 2, audio processing module 3, volume amplitude limit module 4, PWM module 5, coding output module 6, phase loop lock module 7, system I2C controls interface 8, the electric power driving module 9 being electrically connected to external power source and the analog to digital converter 1 of audio reception input signal, analog to digital converter 1, providing data formatting module 2, audio processing module 3, volume amplitude limit module 4, PWM module 5 and coding output module 6 are electrically connected to successively, electric power driving module 9 is controlled interface 8 with phase loop lock module 7 and system I2C respectively and is electrically connected to, system I2C control interface 8 also respectively with phase loop lock module 7, analog to digital converter 1, providing data formatting module 2, audio processing module 3, volume amplitude limit module 4 and PWM module 5 are electrically connected to, phase loop lock module 7 is also electrically connected to analog to digital converter 1, audio frequency output assembly includes PWM and receives the overload protection module 13 of exporting driver module 11, loud speaker 12 and being electrically connected to external power source with coding module 10, sound channel, coding output module 6, PWM receive with coding module 10, sound channel output driver module 11 and loud speaker 12 and are electrically connected to successively, and overload protection module 13 receives and is electrically connected to coding module 10 with PWM.

Need further to explain, analog-to-digital conversion device is for converting simulated audio signal to digital audio and video signals, providing data formatting module 2 is 24 bit format for digital audio and video signals is collected, audio processing module 3 is by using digital computing to do audio and sound field is processed, volume amplitude limit module 4 can be when continuous high pitch automatic amplitude limit with protection rear class loop, PWM module 5 is sampled for pulse width modulation, coding output module 6 is for exporting PWM coding, phase loop lock module 7 is by sequential phase place ring lock and produce clock signal, PWM receives the PWM exporting for received code output module 6 from coding module 10 and encodes and compile and separate different sound channels, wherein, each loud speaker 12 drives by corresponding sound channel output driver module 11.

By said structure, design, the utility model can improve power stage effectively, and then realizes powerful object, and efficiency is high.

As preferred embodiment, volume amplitude limit module 4 is electrically connected with descending sampling module 14, and the output of descending sampling module 14 is electrically connected with serial data output module 15.Wherein, descending sampling module 14 is for tandem sampling, and serial data output module 15 uses for serial data being exported to other devices.

Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims

1. a high-power video player, is characterized in that: include audio frequency and process assembly and audio frequency output assembly, audio frequency is processed assembly and included providing data formatting module (2), audio processing module (3), volume amplitude limit module (4), PWM module (5), coding output module (6), phase loop lock module (7), system I2C controls interface (8), the analog to digital converter (1) of the electric power driving module being electrically connected to external power source (9) and audio reception input signal, analog to digital converter (1), providing data formatting module (2), audio processing module (3), volume amplitude limit module (4), PWM module (5) and coding output module (6) are electrically connected to successively, electric power driving module (9) is controlled interface (8) with phase loop lock module (7) and system I2C respectively and is electrically connected to, system I2C control interface (8) also respectively with phase loop lock module (7), analog to digital converter (1), providing data formatting module (2), audio processing module (3), volume amplitude limit module (4) and PWM module (5) are electrically connected to, and phase loop lock module (7) is also electrically connected to analog to digital converter (1), audio frequency output assembly includes PWM and receives the overload protection module (13) of exporting driver module (11), loud speaker (12) and being electrically connected to external power source with coding module (10), sound channel, coding output module (6), PWM receive with coding module (10), sound channel output driver module (11) and loud speaker (12) and are electrically connected to successively, and overload protection module (13) receives and is electrically connected to coding module (10) with PWM.

2. a kind of high-power video player according to claim 1, it is characterized in that: described volume amplitude limit module (4) is electrically connected with descending sampling module (14), the output of descending sampling module (14) is electrically connected with serial data output module (15).