# US 12,225,362 B2 · Electronic device for transmitting audio data to plurality of external electronic devices, and method for controlling same

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- Number: US 12,225,362 B2
- Document ID: US12225362B2
- Status: Granted
- Kind: B2
- Application number: 17/695,254
- Filed: 2022-03-15
- Published: 2022-06-30
- Granted: 2025-02-11
- Earliest claimed: 2019-10-08
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Kyusang Ryu; Jinho Kim; Hongbum Park; Gwanyeol Lee; Sungjun Choi; Sungpill Hwang; Doosuk Kang
- Web page: https://patentgrep.com/patent/US12225362B2

## CPC

- H04R 3/12: for distributing signals to two or more loudspeakers {(specially adapted for hearing aids H04R25/407)}
- H04R 5/04: Circuit arrangements, {e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments (combinations of amplifiers H03F3/68; stereophonic systems H04S)}
- G06F 3/165: {Management of the audio stream, e.g. setting of volume, audio stream path}
- H04M 1/6066: {including a wireless connection}
- H04M 1/72412: using two-way short-range wireless interfaces
- H04M 1/72442: for playing music files
- H04R 5/033: Headphones for stereophonic communication {(details thereof, e.g. relating to batteries, cables or control elements H04R1/10)}
- H04R 2420/05: Detection of connection of loudspeakers or headphones to amplifiers
- H04R 2420/07: Applications of wireless loudspeakers or wireless microphones
- H04R 2430/01: Aspects of volume control, not necessarily automatic, in sound systems
- H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

An electronic device for transmitting audio data to a plurality of external electronic devices, and a method for controlling same are provided. The electronic device includes an audio module, a communication module, and a processor. The processor can control the communication module to identify connections between the electronic device and the plurality of external electronic devices, identify properties of each of the plurality of external electronic devices connected to the electronic device, and control the audio module and the communication module so as to transmit audio data having a designated volume level to each of the plurality of external electronic devices according to the identified properties of the plurality of external electronic devices.

## Claims

### Claim 1

An electronic device comprising:
a processor, and
memory storing instructions that, when executed by the processor, cause the electronic device to:
connect with a first external electronic device supporting an absolute volume feature,
connect with a second external electronic device, not supporting the absolute volume feature, while the first external electronic device is connected to the electronic device while a media volume synchronization function is activated,
identify an attribute of each of the first external electronic device and the second external electronic device, wherein the attribute is related with an absolute volume feature, and
while the first external electronic device and the second external electronic device are connected to a communication module of the electronic device and the media volume synchronization function is activated, transmit audio data having a first volume level to the first external electronic device and the audio data having a second volume level to the second external electronic device, simultaneously, according to the attribute of the first external electronic device and the attribute of the second external electronic device.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein the first volume level includes a maximum volume level.

### Claim 3 (depends on 2)

The electronic device of claim 2, wherein the first external electronic device and the second external electronic device are connected to the electronic device through short-range communication.

### Claim 4

A method comprising:
connecting with a first external electronic device supporting an absolute volume feature;
connecting with a second external electronic device, not supporting the absolute volume feature, while the first external electronic device is connected to an electronic device while a media volume synchronization function is activated;
identifying an attribute of each of the first external electronic device and the second external electronic device, wherein the attribute is related with an absolute volume feature; and
while the first external electronic device and the second external electronic device are connected to a communication module of the electronic device and the media volume synchronization function is activated, transmitting audio data having a first volume level to the first external electronic device and the audio data having a second volume level to the second external electronic device, simultaneously, according to the attribute of the first external electronic device and the attribute of the second external electronic device.

### Claim 5

A non-transitory computer-readable recording medium storing a program executed on an electronic device, wherein the program comprises executable instructions that, when executed by a processor, cause the processor to:
connect with a first external electronic device supporting an absolute volume feature,
connect with a second external electronic device, not supporting an absolute volume feature, while the first external electronic device is connected to the electronic device while a media volume synchronization function is activated,
identify an attribute of each of the first external electronic device and the second external electronic device, wherein the attribute is related with an absolute volume feature, and
while the first external electronic device and the second external electronic device are connected to a communication module of the electronic device and the media volume synchronization function is activated, transmit audio data having a first volume level to the first external electronic device and the audio data having a second volume level to the second external electronic device, simultaneously, according to the attribute of the first external electronic device and the attribute of the second external electronic device.

### Claim 6 (depends on 5)

The non-transitory computer-readable recording medium of claim 5, wherein the first volume level includes a maximum volume level.

### Claim 7 (depends on 6)

The non-transitory computer-readable recording medium of claim 6, wherein the first external electronic device and the second external electronic device are connected to the electronic device through short-range communication.