TWI420920B - Volume balancing system and portable electrical device - Google Patents

Description

Volume balance system and portable electronic device

The present invention relates to a volume balancing system and a portable electronic device, and in particular, to a volume balancing system that dynamically adjusts the volume played by two speakers and a portable electronic device using the volume balancing system.

Due to the booming electronics industry in recent years, functions that have previously been fixed in one place, such as playing music or movies, can now be performed on very small portable electronic devices. For example, various mobile phones, iPods, MP3 players, multimedia players, etc. all have the function of playing movies and music, listening to radio or playing TV programs.

Different from general music files and video files, the vocal tape files played on KTV have separated the left and right channels during the recording process. Therefore, when one of the channels of the vocal tape file is closed, the volume is all concentrated in the other. When the channel is played, the vocal tape file will play music or vocals separately. However, in KTV, because of its large space, multiple sets of speakers can be set. Therefore, when the volume is concentrated on one channel, the array speaker can be used to play and the channel mixing state is generated in the space, so for the user. There is no auditory discomfort or difference.

Due to limited space, current portable electronic devices generally cannot install too many components in their devices due to portability. Therefore, the speaker (horn) can only be installed in two groups at most. Please refer to FIG. 1 . FIG. 1 is a schematic diagram showing a portable electronic device 1 of the prior art. As shown in FIG. 1 , the portable electronic device 1 includes a screen 10 and a first speaker 12 and a second speaker 14 disposed on both sides of the screen 10 .

When the portable electronic device 1 plays the vocal tape file, one of the first speaker 12 and the second speaker 14 can play the vocal and another playable music, and the user can adjust the first one according to the need. The volume of the speaker 12 and the second speaker 14. For example, if the first speaker 12 plays the human voice and the second speaker 14 plays the music sound, and the user wants the original sound to lead the user, the amount of the human voice played by the first speaker 12 can be reduced to the original one. Fifty minutes and the music played by the second speaker 14 is maintained at the original volume.

However, since the portable electronic device 1 is small, when the volume of the left and right channels is unbalanced, it also affects the stability of the user's hand. In addition, since the portable electronic device 1 can only be equipped with two sets of speakers, when the volume emitted by one of the sets of speakers is lowered, the sound heard by the user is not stereoscopically stereoscopic. Moreover, the speaker that can be installed in the portable electronic device 1 is small, and the output may be unbalanced, and the problem that the volume is too small may also occur.

Therefore, one aspect of the present invention is to provide a volume balance system for a portable electronic device to solve the problems of the prior art.

According to a specific embodiment, the volume balancing system of the present invention can be used in a portable electronic device. The portable electronic device includes a first speaker and a second speaker, and the first speaker can be used to play the first sound, and the second speaker can be used to play the second sound. The volume balancing system of the embodiment includes a control module and a feedback module. The control module can be respectively connected to the first speaker and the second speaker, and the feedback module can also be respectively connected to the first speaker and the second speaker.

In this embodiment, the control module can be used to separately control the volume of the first sound and the second sound played by the first speaker and the second speaker, and the feedback module can be used to control the first speaker to play the first sound and the first sound. Two sounds or play the second sound. When the volume of the first sound played by the first speaker is lower than the volume of the second sound played by the second speaker, the feedback module controls the first speaker to play the first sound and the second sound simultaneously or only the second sound The total volume played by the first speaker is approximately equal to the total volume played by the second speaker.

Another aspect of the present invention is to provide a portable electronic device for solving the problems of the prior art.

According to an embodiment of the invention, the portable electronic device of the present invention comprises a first speaker, a second speaker, a control module and a feedback module. The first speaker can be used to play the first sound, and the second speaker can be used to play the second sound. The control module can be respectively connected to the first speaker and the second speaker, and the feedback module can also be respectively connected to the first speaker and the second speaker.

In this embodiment, the control module can be used to separately control the volume of the first sound and the second sound played by the first speaker and the second speaker, and the feedback module can be used to control the first speaker to play the first sound and the first sound. Second sound or play the second sound. When the volume of the first sound played by the first speaker is lower than the volume of the second sound played by the second speaker, the feedback module controls the first speaker to simultaneously play the first sound and the second sound or play the second sound, so that The total volume played by the first speaker is approximately equal to the total volume played by the second speaker.

The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.

Referring to FIG. 2, FIG. 2 is a functional block diagram of a volume balance system 2 according to an embodiment of the present invention. As shown in FIG. 2, the volume balance system 2 of the present embodiment can be used in the portable electronic device 3 having the first speaker 30 and the second speaker 32. The volume balancing system 2 includes a control module 20 and a feedback module 22, wherein the control module 20 is connected to the first speaker 30 and the second speaker 32 of the portable electronic device 3, respectively, and the feedback module 22 is also respectively connected to the first Speaker 30 and second speaker 32.

In this embodiment, the control module 20 can be used to control the volume of the first speaker 30 and the second speaker 32, respectively. When the portable electronic device 3 is used by the user to play the vocal tape file, the first speaker 30 and the second speaker 32 can respectively emit different sounds, for example, vocals and music sounds. Therefore, by the control module 20 reducing the sound emitted by the first speaker 32 or the second speaker 34, the function of singing for the user can be achieved. In the present embodiment, the sound emitted by the first speaker 30 can be defined as the first sound, and the sound emitted by the second speaker 32 can be defined as the second sound. In the present embodiment, the control module 20 of the volume balance system 2 can be connected to an input module (not shown) of the portable electronic device 3, and further, the user can access the input module of the portable electronic device 3. The control module 20 of the volume balance system 2 directly controls the volume of the first sound and the second sound emitted by the first speaker 30 and the second speaker 32.

When the user performs the accompaniment by playing the vocal tape file with the portable electronic device 3, the vocal speaker is usually controlled to lower the volume or turn off the volume, and if the user wants to listen to the vocal without being disturbed by the music sound, You can also control the speaker that plays the music to lower its volume or turn it off. In the present embodiment, the above effect can be achieved by reducing or turning off the volume of the first speaker 30 or the second speaker 32.

In this embodiment, the feedback module 22 of the volume balance system 2 can be used to control the first speaker 30 to simultaneously play the second sound. If the user lowers or turns off the first sound played by the first speaker 30 through the control module 20 so that the volume is lower than the volume of the second sound played by the second speaker 32, the feedback module 22 controls the first speaker. 30 simultaneously playing the first sound and the second sound or only playing the second sound, and the total volume of the first sound and the second sound played by the first speaker 30 or the volume of the second sound played only is substantially equal to the second speaker. The volume of the second sound played by 32. Similarly, if the control module 20 lowers or turns off the second sound played by the second speaker 32 so that the volume is lower than the volume of the first sound played by the first speaker 30, the feedback module 22 can control the second speaker. 32 simultaneously playing the second sound and the first sound or only playing the first sound, and the total volume of the first sound and the second sound played by the second speaker 32 or the volume of the second sound played only is substantially equal to the first speaker The volume of the first sound played by 30.

For example, in the specific embodiment, if the user uses the control module 20 to reduce the vocal (first sound) played by the right channel (the first speaker 30) of the portable electronic device 3 to 50%. The volume, and maintaining the music sound (second sound) played by the left channel (second speaker 32) at a volume of 100%, the feedback module 22 can control the right channel to play simultaneously in addition to the human voice playing 50% of the volume. The sound of the music, and the total volume of the vocals and music played by the right channel is approximately equal to the volume of the music played by the left channel. Conversely, if the music played by the left channel is reduced to 50% of the volume and the vocal played by the right channel is maintained at 100% of the volume, the feedback module 22 can control the left channel in addition to playing the music of 50% of the volume. The vocals are also played simultaneously, and the total volume of the vocals and music played by the left channel is approximately equal to the volume of the vocals played by the right channel. In addition, in other embodiments, the left channel can also be used to play the human voice and the right channel can be used to play the music sound, which is not limited by the present invention.

Referring to FIG. 3, FIG. 3 is a functional block diagram of a volume balance system 4 according to another embodiment of the present invention. As shown in FIG. 3, the volume balancing system 4 is used in the portable electronic device 3 having the first speaker 30 and the second speaker 32 as in the above-described embodiment. The volume balancing system 4 includes a control module 40 and a feedback module 42. The control module 40 is connected to the first speaker 30 and the second speaker 32, respectively, and the feedback module 42 is also connected to the first speaker 30 and the second speaker 32, respectively. . The specific embodiment is different from the above specific embodiment in that the feedback module 42 of the specific embodiment further includes a detector 420. In addition, the other units of the specific embodiment are substantially the same as the units corresponding to the above specific embodiments, and thus will not be further described herein.

In the embodiment, the detector 420 is connected to the first speaker 30 and the second speaker 32. Therefore, the detector 420 can directly detect the first sound played by the first speaker 30 and the second speaker 32. The volume of the second sound. When the detector 420 detects that the volume of the first speaker 30 and the second speaker 32 is different, the feedback module 42 controls the first speaker 30 to play simultaneously according to the difference in the volume detected by the detector 420. The first sound and the second sound (when the volume of the first speaker 30 is detected to be less than the volume played by the second speaker 32) or the second speaker 32 simultaneously plays the first sound and the second sound (when the second speaker 32 is detected) When the volume of the playback is less than the volume played by the first speaker 30, the total volume played by the two speakers is substantially equal.

Referring to FIG. 4, FIG. 4 is a functional block diagram of a volume balance system 5 according to another embodiment of the present invention. As shown in FIG. 4, the volume balance system 5 is used in the portable electronic device 3 having the first speaker 30 and the second speaker 32 as in the above-described embodiment. The specific embodiment is different from the above specific embodiment in that the detector 520 of the specific embodiment is connected to the control module 50. The other elements of the specific embodiment are substantially the same as the corresponding units of the above specific embodiments, and thus will not be further described herein.

In the embodiment, the detector 520 is connected to the control module 50. Therefore, the detector 520 can directly know that the control module 50 controls the first sound played by the first speaker 30 and the second speaker 32. The volume of the second sound. Similarly, the feedback module 52 can control the first speaker 30 to simultaneously play the first sound and the second sound or the second speaker 32 to simultaneously play the second sound and the first sound according to the volume of the volume known by the detector 520, so that the two speakers are caused. The total volume played is roughly equal.

In summary, the volume balancing system of the present invention can perform volume balancing on a portable electronic device having two speakers. When the portable electronic device plays the vocal tape file, the volume balance system can control the two speakers to separate the vocals and balance the volume of the two speakers, further avoiding the instability caused by the volume imbalance in the prior art, and the sound is not stereoscopic. And the problem of too small volume.

Referring to FIG. 5, FIG. 5 is a schematic diagram of a portable electronic device 6 according to an embodiment of the present invention. As shown in FIG. 5, the portable electronic device 6 includes a screen 68, a first speaker 60, a second speaker 62, a control module 64, and a feedback module 66. The first speaker 60 and the second speaker 62 are disposed on the screen. On both sides of the screen 68. The control module 64 is connected to the first speaker 60 and the second speaker 62, respectively, and the feedback module is also connected to the first speaker 60 and the second speaker 62, respectively. In this embodiment, the portable electronic device can be an electronic device such as a mobile phone, a music player, a multimedia player, an MP3 player, or a radio, and has the function of playing a vocal tape file.

When the portable electronic device 6 plays the vocal tape file, the first speaker 60 can play the first sound and the second speaker 62 can play the second sound, wherein one of the first sound and the second sound is a human voice and the other For the sound of music. The user can reduce or turn off the volume of the first sound or the second sound played by the first speaker 60 or the second speaker 62 by the control module 64, thereby achieving the effect of vocal separation and providing the accompaniment function.

In the specific embodiment, the feedback module 66 can detect the volume of the first sound played by the first speaker 60 and the second sound played by the second speaker 62, and when the volume played by one of the speakers is less than another When the volume of a speaker is reached, the feedback module 66 can control the speaker playing the lower volume to simultaneously play the first sound and the second sound (the other speaker plays the first sound or the second sound) to balance the volume of the two speakers. For example, if the feedback module 66 detects that the first sound played by the first speaker 60 has a volume of 50% and the second sound played by the second speaker 62 has a volume of 100%, the feedback module 66 controls The first speaker 60 simultaneously plays a second sound of 50% volume in addition to playing the first sound of 50% volume, so that the total volume of the first sound and the second sound played by the first speaker 60 (50%+50%) is substantially The upper volume is close to or equal to (the gap ranges from 0 to 5%) the total volume (100%) of the second sound played by the second speaker 62.

In this embodiment, the feedback module 66 may further include a detector (not shown) connected to the control module 64 or connected to the first speaker 60 and the second speaker 62, respectively. By means of the detector, the feedback module 66 can know the volume of the first sound and the second sound played by the first speaker 60 and the second speaker 62, and the volume balance of the two speakers is accordingly performed.

In summary, the portable electronic device of the present invention has two speakers for playing vocal and musical sounds respectively, so that the accompaniment function can be provided. In addition, the feedback module of the portable electronic device can simultaneously balance the volume when the accompaniment function is provided, thereby avoiding the problems of instability, lack of stereoscopic effect and too small volume caused by volume imbalance in the prior art.

Compared with the prior art, the volume balance system of the present invention and the portable electronic device using the volume balance system can simultaneously balance the volume of the two speakers when playing the vocal tape file, so that the sound effect can be kept stereoscopic, and at the same time Stabilize portable electronic devices and avoid problems with too small volume.

The features and spirit of the present invention will be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalents within the scope of the invention as claimed. Therefore, the scope of the patented scope of the invention should be construed as broadly construed in the

1. . . Portable electronic device

10. . . Screen

12. . . First speaker

14. . . Second speaker

2, 4, 5. . . Volume balance system

20, 40, 50, 64. . . Control module

22, 42, 52, 66. . . Feedback module

3, 6. . . Portable electronic device

30, 60. . . First speaker

32, 62. . . Second speaker

420, 520. . . Detector

68. . . Screen

FIG. 1 is a schematic diagram showing a portable electronic device of the prior art.

2 is a functional block diagram of a volume balancing system applied to a portable electronic device according to an embodiment of the present invention.

FIG. 3 is a functional block diagram of a volume balancing system applied to a portable electronic device according to another embodiment of the present invention.

FIG. 4 is a functional block diagram of a volume balancing system applied to a portable electronic device according to another embodiment of the present invention.

FIG. 5 is a schematic diagram of a portable electronic device according to an embodiment of the present invention.

2. . . Volume balance system

20. . . Control module

twenty two. . . Feedback module

3. . . Portable electronic device

30. . . First speaker

32. . . Second speaker

Claims (10)

A volume balance system for a portable electronic device, the portable electronic device includes a first speaker and a second speaker, the first speaker can play a first sound and the second speaker can play a first a second sound, wherein the volume balancing system comprises: a control module for connecting the first speaker and the second speaker, wherein the control module is configured to respectively control the first speaker and the second speaker to play the first a sound and a volume of the second sound; and a feedback module connecting the first speaker and the second speaker, the feedback module is configured to control the first speaker to play the first sound and the second sound or play The second sound; wherein, when the volume of the first sound played by the first speaker is lower than the volume of the second sound played by the second speaker, the feedback module controls the first speaker to simultaneously play the The first sound and the second sound or the second sound are played such that the total volume played by the first speaker is approximately equal to the total volume played by the second speaker. The volume balancing system of claim 1, wherein the feedback module further comprises a detector connected to the control module, wherein the detector is configured to detect the first speaker through the control module And a volume level of the first sound and the second sound played by the second speaker. The volume balancing system of claim 1, wherein the feedback module further comprises a detector connected to the first speaker and the second speaker, wherein the detector is configured to detect the first speaker And a volume level of the first sound and the second sound played by the second speaker. The volume balancing system of claim 1, wherein a difference between a total volume played by the first speaker and a total volume played by the second speaker ranges from 0 to 5%. A portable electronic device includes: a first speaker for playing a first sound; a second speaker for playing a second sound; and a control module connecting the first speaker and the second speaker The control module is configured to respectively control the volume of the first sound and the second sound played by the first speaker and the second speaker; and a feedback module connecting the first speaker and the second speaker The feedback module is configured to control the first speaker to play the first sound and the second sound or play the second sound; wherein, when the volume of the first sound played by the first speaker is lower than the first When the volume of the second sound played by the two speakers is performed, the feedback module controls the first speaker to simultaneously play the first sound and the second sound or play the second sound, so that the total volume played by the first speaker is It is approximately equal to the total volume played by the second speaker. The portable electronic device of claim 5, wherein the feedback module further comprises a detector connected to the control module, wherein the detector is configured to detect the first through the control module The volume of the first sound and the second sound played by the speaker and the second speaker. The portable electronic device of claim 5, wherein the feedback module further comprises a detector connected to the first speaker and the second speaker, wherein the detector is configured to detect the first The volume of the first sound and the second sound played by the speaker and the second speaker. The portable electronic device of claim 5, wherein when the portable electronic device plays a vocal tape file, the first speaker plays the first sound and the second speaker plays the second sound And the first sound is a human voice and the second sound is a musical sound, or the first sound is a musical sound and the second sound is a human voice. The portable electronic device of claim 5, wherein a difference between a total volume played by the first speaker and a total volume played by the second speaker ranges from 0 to 5%. . The portable electronic device of claim 5, wherein the portable electronic device is a mobile phone, a music player, a multimedia player, an MP3 player or a radio.