免费，开源，跨平台数字音频编辑器。
Audacity - free, open source, cross platform digital audio editor.
讨论了在音频编辑器中实现多轨音频合并的方法。
The merging method of multi-track audio in the audio editor is discussed.
花几元钱买个麦克风，并在网上下载免费的音频编辑器，做一份高质量的音频文件。
Buy a headset for a few bucks and download Audacity for free to make high-quality audio files.
花几元钱买个麦克风，并在网上下载免费的音频编辑器，做一份高质量的音频文件。
Buy a headset for a few bucks and download Audacity for free to make high-quality audio files.
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