『楼 主』:
DOS下的多媒体（原创）
使用 LLM 解释/回答一下
在许多人的印象中，DOS是个单任务的文本模式的操作系统，哪儿会有什么或者说是较好的多媒体功能呢？其实不然。比如，Windows 3.x和Windows 9x只不过是建立在DOS下的大型保护模式的应用程序，为何它们也能播放精采的多媒体文件呢？所以，多媒体绝非WIN等操作系统的“专利”，DOS下实现多媒体功能是完全可以的，而且由于时代的发展，新的开发器和编程序库的推出，DOS下的多媒体功能实现起来也越来越容易，功能也越来越强，大家可在“DOS近年来的发展”中看到。
注意，如果要在DOS下用声卡播放声音，首先需要设置好声卡。具体方法请见本栏目中的“DOS下硬件设备的使用与设置”。
当然，DOS操作系统本身并不带有多媒体命令，而需要专门的多媒体软件，这就像我们玩游戏需要专门的游戏软件一样。DOS下的多媒体软件有很多，旧的有SEA等，不过近几年来随着多媒体技术的发展，DOS下多媒体软件也明显增多了，如QuickView Pro、Cubic Player（OpenCP）、MPXPlay、DSS等等，大家可以到“DOS软件分类下载”中的“媒体软件”中下载。这些软件普遍可以播放WAV，MP3等格式的文件，有的则支持更多的格式，如Cubic Player，不仅支持的格式很多，包括WAV，MP3，MID，RMI，ASF，MOD，S3M，IT，ASF，669，CD音频等等，而且界面非常不错。注意大多数MP3文件播放器最好在586以上的电脑下使用，以发挥最好的效果，在486或以下电脑上播放MP3时可能会出现断音，而WAV等格式则没有问题。
有些人在原来曾使用过DOSAmp来播放MP3文件，觉得它的播放效果不好而认定DOS下播放MP3都不好。其实这是不对的。因为DOSAmp其实是DOS下最旧且功能和效果都是最差的MP3播放器，界面虽不是最差，但也只是一般，现在早已被淘汰了。我虽然经常在DOS下听MP3歌曲，却非常不喜欢用DOSAmp而是使用其它在DOS下播放较果非常好的MP3播放器进行播放。大家可以在“媒体软件”中找到。
在这么多的软件中，我向大家推荐QuickView Pro，它是一个非常强大的多媒体软件，支持的格式非常多，包括多种音乐格式（如WAV、MP3等等），各种图形格式（如BMP、GIF、JPG、PCX等等），还有很多多媒体格式（如AVI、MPG、MOV、FLC/FLI、VCD等等）。它一直在不断发展着，比如其最新的2.50版于今年8月底刚推出。其具体使用方法可以在“DOS文章”栏目中的“DOS多媒体播放器——QuickView的使用”一文中看到。当然也推荐其它一些MP3播放器，如MPXPLAY也很不错，功能相当多，如媒体的播放、转换等等它都能完成。它的界面也很好，且支持鼠标操作，十分方便实用。它现在一直在不断发展和更新着，其最新版本于今年10月刚推出。
除此之外，还有MegaMid，MidPlay等全屏幕的MIDI播放器也非常不错，不仅界面很好，功能也很强大。它们都可以显示MIDI音乐中的字幕（如果有的话），操作也十分简单。至于其它各种多媒体格式也完全可以在DOS下播放，如VideoCD(VCD)的播放，除上面的QuickView Pro，还有Mpegone等等都可以做到，效果也很好，当然最好在586以上的电脑上播放，越新效果就越好。而RealAudio等格式的播放，则可以在“DOS使用中的常见问题解答(FAQ)”专栏中看到。
总之，DOS下的多媒体功能是非常强大的。如果您有兴趣的话，也可以为“DOS开发”栏目开发一些DOS下多媒体软件，以跟上国外DOS软件的发展，并帮助广大的DOS使用者与爱好者们，还可以促进国内自由软件的发展，真是好处甚多。
In many people's impressions, DOS is a single-task, text-mode operating system, so how could there be or be better multimedia functions? Actually, it's not the case. For example, Windows 3.x and Windows 9x are just large protected-mode applications built under DOS. Why can they also play wonderful multimedia files? So, multimedia is by no means the "patent" of operating systems like WIN. It is completely possible to implement multimedia functions under DOS. Moreover, with the development of the times and the introduction of new developers and programming libraries, it has become easier and more powerful to implement multimedia functions under DOS, which you can see in "The Development of DOS in Recent Years".
Note that if you want to play sound with a sound card under DOS, you first need to set up the sound card. The specific method can be found in "The Use and Setup of Hardware Devices under DOS" in this column.
Of course, the DOS operating system itself does not come with multimedia commands and requires special multimedia software, just as we need special game software to play games. There are many multimedia software under DOS. There are old ones like SEA, etc. But in recent years, with the development of multimedia technology, the number of multimedia software under DOS has also increased significantly, such as QuickView Pro, Cubic Player (OpenCP), MPXPlay, DSS, etc. You can download them in "Media Software" in "DOS Software Classification Download". These software generally can play files in formats like WAV, MP3, etc. Some support more formats. For example, Cubic Player not only supports many formats including WAV, MP3, MID, RMI, ASF, MOD, S3M, IT, ASF, 669, CD audio, etc., but also has a very good interface. Note that most MP3 file players are best used on computers above 586 to achieve the best effect. When playing MP3 on 486 or lower computers, there may be audio stuttering, while formats like WAV have no problem.
Some people used to use DOSAmp to play MP3 files and thought the playback effect was not good, so they concluded that playing MP3 under DOS was all bad. Actually, this is incorrect. Because DOSAmp is actually the oldest and worst-performing MP3 player under DOS. Although the interface is not the worst, it is just average and has long been eliminated. Although I often listen to MP3 songs under DOS, I very much dislike using DOSAmp and instead use other MP3 players with very good playback effects under DOS. You can find them in "Media Software".
Among so many software, I recommend QuickView Pro to everyone. It is a very powerful multimedia software that supports many formats, including various music formats (such as WAV, MP3, etc.), various graphic formats (such as BMP, GIF, JPG, PCX, etc.), and many multimedia formats (such as AVI, MPG, MOV, FLC/FLI, VCD, etc.). It has been continuously developing. For example, its latest version 2.50 was just released at the end of this August. The specific usage method can be seen in the article "The Use of QuickView - DOS Multimedia Player" in the "DOS Articles" column. Of course, other MP3 players are also recommended. For example, MPXPLAY is also very good. It has many functions, such as playing and converting media, etc. Its interface is also very good and supports mouse operation, which is very convenient and practical. It has been continuously developing and updating, and its latest version was just released in October this year.
In addition, there are also full-screen MIDI players like MegaMid, MidPlay, etc., which are also very good. They not only have a good interface but also powerful functions. They can all display subtitles in MIDI music (if available), and the operation is also very simple. As for playing other various multimedia formats under DOS, for example, the playback of VideoCD (VCD), in addition to the above QuickView Pro, Mpegone, etc., can also do it, and the effect is also very good. Of course, it is best to play on a computer above 586, and the newer the better. And the playback of formats like RealAudio can be seen in the "Common Questions and Answers (FAQ) in DOS Use" column.
In conclusion, the multimedia functions under DOS are very powerful. If you are interested, you can also develop some multimedia software under DOS for the "DOS Development" column to keep up with the development of foreign DOS software, and help the majority of DOS users and enthusiasts, and also promote the development of domestic free software. It is really of many benefits.
|
