MOBILE COMMUNICATION TERMINAL AND METHOD FOR INPUTTING/OUTPUTTING VOICE DURING PLAYBACK OF MUSIC DATA BY USING BLUETOOTH

• US 20080039017A1
• Filed: 08/06/2007
• Published: 02/14/2008
• Est. Priority Date: 08/08/2006
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Hyun-Soo
• Granted Patent: US 8,150,323 B2
• Time in Patent Office: Days
• US Class Current: 455/41.2
• CPC Class Codes: H04M 1/6066 including a wireless connection
• CPC Class Codes: H04M 1/72442 for playing music files
• CPC Class Codes: H04M 2250/02 including a Bluetooth interface

Abstract

A mobile communication terminal and a voice input/output method for inputting/outputting voice during playback of music data by using a Bluetooth communication scheme are disclosed. The method includes connecting to a headset via a simplex channel according to the Bluetooth communication scheme when music data is played; determining if a call has been connected; terminating current connection to the headset via the simplex channel and connecting to the headset via a duplex channel according to the Bluetooth communication scheme while maintaining the playback of music data when the call has been connected; mixing decoded music data with data obtained by decoding incoming voice data received from the communication partner as a result of a call connection; and outputting the mixed data to the headset via a transmission channel of the duplex channel and receiving originating voice data of the user from the headset via a reception channel of the duplex channel.

Claims

1. A mobile communication terminal connected to a Bluetooth headset according to a Bluetooth communication scheme which allows the input/output of voice data during playback of music data, the mobile communication terminal comprising:

a music data decoding module for decoding and outputting music data;

a modem for receiving, decoding, and outputting incoming voice data received from a communication partner when a call is connected, the modem receiving, modulating, and outputting originating voice data of a user;

a mixer for mixing the music data with the incoming voice data and outputting mixed data;

a Bluetooth module connected to the headset via one of a simplex channel and a duplex channel according to a Bluetooth communication scheme, the Bluetooth module receiving the originating voice data of the user from the headset via a reception channel of the duplex channel and outputting the mixed data via a transmission channel of the duplex channel when a connection is established via the duplex channel; and

a controller for controlling the Bluetooth module so as to connect to the headset via a simplex channel when music data is output, the controller controlling the Bluetooth module to establish a duplex channel with the headset when a call is connected while streaming music data, the controller outputting the mixed data to the headset via the transmission channel when the call is connected.

2. The mobile communication terminal as claimed in claim 1, wherein the controller adjusts the amplification gain of the music data according to the key input of the user and mixes the music data with the incoming voice data.

3. The mobile communication terminal as claimed in claim 1, wherein the controller controls the mixer to mix the originating voice data with the music data and controls the modem to modulate mixture data resulting from the mixing of the originating voice data and the music data so that the mixture data is transmitted to the communication partner.

4. The mobile communication terminal as claimed in claim 3, wherein the controller controls the amplification gain of the music data according to the key input of the user, the music data mixing with the originating voice data.

5. The mobile communication terminal as claimed in claim 1, wherein, when the playback of music data is selected while a call is connected, the controller decodes selected music data, mixes the music data with the incoming voice data, and outputs resulting mixed data to the headset while maintaining an unchanged connection between the duplex channel and the headset.

6. The mobile communication terminal as claimed in claim 5, wherein the controller controls the mixer to mix the originating voice data with the music data and controls the modem to modulate the mixture data resulting from mixing of the originating voice data and the music data so that the mixture data is transmitted to the communication partner.

7. The mobile communication terminal as claimed in claim 1, wherein the music data decoding module decodes the music data into Pulse Code Modulation (PCM) level data and the mixer mixes the music data with the incoming voice data or the originating voice data at the PCM level, both the music data and the incoming voice data having been decoded into PCM level data.

8. The mobile communication terminal as claimed in claim 3, wherein the music data decoding module decodes the music data into Pulse Code Modulation (PCM) level data and the mixer mixes the music data with the incoming voice data or the originating voice data at the PCM level, both the music data and the incoming voice data having been decoded into PCM level data.

9. The mobile communication terminal as claimed in claim 6, wherein the music data decoding module decodes the music data into Pulse Code Modulation (PCM) level data and the mixer mixes the music data with the incoming voice data or the originating voice data at the PCM level, both the music data and the incoming voice data having been decoded into PCM level data.

10. The mobile communication terminal as claimed in claim 1, wherein the simplex channel is an Asynchronous Connectionless Link (ACL) channel based on an audio video profile selected from Bluetooth profiles according to the Bluetooth communication scheme, and the duplex channel is a Synchronous Connection-Oriented (SCO) link channel based on an audio gate profile selected from Bluetooth profiles according to the Bluetooth communication scheme.

11. A method for inputting/outputting voice during the playback of music data by using Bluetooth in a mobile communication terminal connected to a Bluetooth headset according to a Bluetooth communication scheme, the method comprising:

(a) connecting to the headset via a simplex channel according to the Bluetooth communication scheme and transmitting music data when the music data is played according to selection of a user;

(b) determining if a call has been connected;

(c) terminating the current connection to the headset via the simplex channel and connecting to the headset via a duplex channel according to the Bluetooth communication scheme while maintaining an unchanged playback of the music data when the call has been connected;

(d) decoding the music data and mixing the music data with data obtained by decoding incoming voice data received from a communication partner as a result of the call connection so as to obtain mixed data; and

(e) outputting the mixed data to the headset via a transmission channel of the duplex channel and receiving originating voice data of the user from the headset via a reception channel of the duplex channel.

12. The method as claimed in claim 11, further including terminating the connection via the duplex channel when the call connection is terminated, reconnecting to the headset via the simplex channel according to the Bluetooth communication scheme, and transmitting music data to the headset via the simplex channel.

13. The method as claimed in claim 11, wherein step (d) further includes:

checking the background music volume information set by the user;

adjusting the amplification gain of the music data based on the background music volume information; and

mixing the music data, the amplification gain of the music data having been adjusted, with the data obtained by decoding the incoming voice data.

14. The method as claimed in claim 11, wherein step (e) further includes:

outputting the mixed data to the headset via the transmission channel of the duplex channel;

receiving the originating voice data at a Pulse Code Modulation (PCM) level via the reception channel of the duplex channel;

mixing the originating voice data with the mixed data; and

outputting data obtained by mixing the originating voice data with the mixed data to the communication partner related to the call connection.

15. The method as claimed in claim 13, wherein step (e) further includes:

outputting the mixed data to the headset via the transmission channel of the duplex channel;

receiving the originating voice data at a Pulse Code Modulation (PCM) level via the reception channel of the duplex channel;

mixing the originating voice data with the mixed data; and

outputting data obtained by mixing the originating voice data with the mixed data to the communication partner related to the call connection.

16. The method as claimed in claim 11, wherein the music data is decoded into PCM level data and the incoming voice data is decoded into PCM level data.

17. The method as claimed in claim 11, wherein the simplex channel is an Asynchronous Connectionless Link (ACL) channel based on an audio video profile selected from Bluetooth profiles according to the Bluetooth communication scheme, and the duplex channel is a Synchronous Connection-Oriented (SCO) link channel based on an audio gate profile selected from Bluetooth profiles according to the Bluetooth communication scheme.