API one which is included in DirectX which is the multimedia extended API group for Windows of the Microsoft corporation. By the fact that DirectShow is used, while streaming playback (reading the data, playing back the multimedia data of bulk such as animated picture and sound simultaneously) it reaches the point where it can do. If DirectShow is utilized, without designating the difference of the hardware as the air, control of playback of animated picture and sound etc it reaches the point where it can do easily from the application software.

DirectSound

Reading: Direct sound
Field:
Windows > Media technology > DirectSound

API one which is included in DirectX which is the multimedia extended API group for Windows of the Microsoft corporation. DirectSound offers the function in order to play back sound. Effective sound superposing, plural sounds such as BGM to real time, it is r Dpossible to play back. In addition, in order to try, that also DirectSound similar to the otheirectX API group, the possible limit hardware (the sound card) will utilize specific function, it is possible to utilize the ability the hardware to have in the maximum.

DirectSound 3D <DS3D>

Reading: Direct sound three D
Alias:
Direct sound 3D
Field:
Windows > Media technology > DirectSound 3D

API one which is included in DirectX which is the multimedia extended API group for Windows of the Microsoft corporation. It is the API group which adds the sound effect with respect to 3 dimensional spaces to DirectSound in order to play back sound.

As for the sound which we hear in the actual world, from the sound source direction of distance and the sound source and the Doppler effect etc with the movement of the sound source influence is received. The effect due to such primary factor the fact that it was developed in order to reappear easily with acoustic function of the game and the like is DirectSound 3D. In order 3 dimensional graphics (3DCG) to use the same system of coordinates as Direct3D which is API which is handled, it is possible to synchronize the picture and sound easily.

DirectX

Reading: Direct x
Field:
Windows > Media technology > DirectX

The extended API group which is offered because the Microsoft corporation strengthens the multimedia performance of the Windows series of the same company.

When DirectX is used, because it becomes possible, directly to control the hardware the application software making use of standardized technique it is possible to actualize the high-level multimedia processing which is not defeated to private hardware such as game machine on the personal computer.

As for DirectX there is many a thing which is utilized in 3 dimensional graphics and development of the game which uses sound.

Because operating mainly with Windows 98/Me/2000/XP it is developed in prime object, with Windows NT up to DirectX 3, with Windows 95 it operates up to only DirectX 8.0.