Mobile device having multi-audio output function

Abstract

A mobile device playing and outputting audio data having various formats. The mobile device includes a memory storing audio data having different formats; a plurality of audio-playing units, each having a codec that corresponds a respective format and restoring respective analog sound signals from the corresponding audio data; a processor receiving a hardware interrupt from some or all of the audio-playing units to provide corresponding data of the stored audio data to a corresponding audio playing unit; and an output unit mixing the restored analog sound signals in order to be output.

1 . An audio outputting device having a display unit, the audio outputting device comprising:
 an audio-playing unit comprising a codec restoring analog sound signals from the various formats of audio data;   a buffer receiving a portion of the audio data to temporarily store the received audio data;   a digital to analog converter converting raw audio data of the audio data to the analog sound signals; and   an output unit mixing at least two of the restored analog sound signals in order to output the signals,   wherein the outputted analog sound signals have been generated by restoring the audio data of different formats.   
     
     
         2 . The audio outputting device of  claim 1 , further comprising a decoder decoding the audio data to create the raw audio data. 
     
     
         3 . The audio outputting device of  claim 1 , wherein the formats include at least one of MP3, WAV, WMA, or RA. 
     
     
         4 . The audio outputting device of  claim 1 , wherein the buffer stores the data according to a First-In First-Out (FIFO) algorithm. 
     
     
         5 . The audio outputting device of  claim 1 , wherein the audio-playing unit further comprises a unit creating an IRQ according to an amount of data remaining in the buffer. 
     
     
         6 . The audio outputting device of  claim 1 , wherein the audio playing unit further comprises an amplifier amplifying the analog sound signal according to a predetermined control signal. 
     
     
         7 . The audio outputting device of  claim 1 , wherein the audio-playing unit corresponding to a motion sensor generates a beat box sound. 
     
     
         8 . The audio outputting device of  claim 7 , wherein the beat box sound is mixed with the restored analog sound signals. 
     
     
         9 . The audio outputting device of  claim 1 , wherein the audio outputting device is a mobile device. 
     
     
         10 . An audio outputting device including a display unit, the audio outputting device comprising:
 an audio-playing unit comprising a codec restoring analog sound signals from the various formats of audio data;   a buffer receiving a portion of the audio data to temporarily store the received audio data;   a digital to analog converter converting raw audio data of the audio data to the analog sound signals;   an amplifier amplifying the analog sound signals according to a predetermined control signal;   an output unit having a mixer mixing the restored analog sound signals in order to output the signals and a controller controlling a gain of the amplified analog sound signals according to a predetermined main gain control signal; and   a speaker converting the gain controlled sound signals to a physical sound.   
     
     
         11 . The audio outputting device of  claim 10 , further comprising a decoder decoding the audio data to create the raw audio data. 
     
     
         12 . The audio outputting device of  claim 10 , further comprising a volume control unit providing a control signal controlling the gain of the amplifier included in the respective audio playing unit, and the main gain control signal controlling the gain of the amplifier of the output unit. 
     
     
         13 . The audio outputting device of  claim 12 , wherein the volume control unit comprises a volume control interface and the volume control unit creates the gain control signal controlling the gain of the amplifier included in the respective audio playing unit according to a command input by the user via the volume control interface. 
     
     
         14 . The audio outputting device of  claim 13 , wherein the volume control interface comprises:
 a main volume section enabling the user to control a main volume; and   a volume section enabling volumes respectively corresponding to the plurality of audio-playing units to be controlled.   
     
     
         15 . The audio outputting device of  claim 14 , wherein the main volume section and the volume section each comprise a control bar enabling the respective volume to be controlled, and a mute check box enabling the respective volume to be muted. 
     
     
         16 . The audio outputting device of  claim 10 , wherein the audio outputting device is a mobile device.