7. A system for voice communication, comprising a communication sheet and a digital voice signal processing device, the communication sheet comprising a plurality of communication units and a plurality of function units for a user to click with the digital voice signal processing device, the plurality of function units comprising a whole sentence unit, the digital voice signal processing device comprising a storage device stored with a software program for performing a function of emitting the sounds of a whole sentence, the software program comprising the following program codes: a first program code: receiving a plurality of sounds of words selected from the plurality of communication units by the user; a second program code: searching for voice files each respectively corresponding to each of the sounds of words; a third program code: receiving a whole sentence command generated after the user clicks the whole sentence unit; a fourth program code: sequentially playing each of the voice files; wherein the plurality of function units further comprise a memory unit, and the software program further performs a memory function, the software program further comprising the following program codes: a fifth program code: receiving at least one sound of a word selected from the plurality of communication units by the user; a sixth program code: searching for voice files, each respectively corresponding to each of the sounds of words; a seventh program code: receiving a memory command generated after the user clicks the memory unit; and an eighth program code: sequentially recording recognition information of each of the voice files; wherein the plurality of communication units further comprise a plurality of storage location units, the seventh program code further comprising: a ninth program code: receiving a memory message generated after the user clicks at least one storage location unit of the plurality of storage location units; and a tenth program code: assigning a storage location according to the memory message; wherein the eighth program code substantially and sequentially records the recognition information of each of the voice files into the storage location.
7. A system for voice communication, comprising a communication sheet and a digital voice signal processing device, the communication sheet comprising a plurality of communication units and a plurality of function units for a user to click with the digital voice signal processing device, the plurality of function units comprising a whole sentence unit, the digital voice signal processing device comprising a storage device stored with a software program for performing a function of emitting the sounds of a whole sentence, the software program comprising the following program codes: a first program code: receiving a plurality of sounds of words selected from the plurality of communication units by the user; a second program code: searching for voice files each respectively corresponding to each of the sounds of words; a third program code: receiving a whole sentence command generated after the user clicks the whole sentence unit; a fourth program code: sequentially playing each of the voice files; wherein the plurality of function units further comprise a memory unit, and the software program further performs a memory function, the software program further comprising the following program codes: a fifth program code: receiving at least one sound of a word selected from the plurality of communication units by the user; a sixth program code: searching for voice files, each respectively corresponding to each of the sounds of words; a seventh program code: receiving a memory command generated after the user clicks the memory unit; and an eighth program code: sequentially recording recognition information of each of the voice files; wherein the plurality of communication units further comprise a plurality of storage location units, the seventh program code further comprising: a ninth program code: receiving a memory message generated after the user clicks at least one storage location unit of the plurality of storage location units; and a tenth program code: assigning a storage location according to the memory message; wherein the eighth program code substantially and sequentially records the recognition information of each of the voice files into the storage location. 8. The system for voice communication as claimed in claim 7 , wherein the software program further comprises the following program code: an eleventh program code: emitting a notification sound.