audacity中文版下载(数码音效处理程序)

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Audacity 是一个数码音效处理程序，可导入WAV，AIFF，AU，IRCAM，MP3及Ogg Vorbis，并支持大部份常用的工具，如剪裁、贴上、混音、升/降音以及变音特效。内置载波编辑器。

你可以剪切，复制和粘贴（带有无约束的取消），混合音轨，和给录音添加效果。它还有一个内置的封装编辑器，一个用户可自定义的声谱模版和实现音频分析功能的频率分析窗口。

Audacity 让你轻松编辑音乐文件无负担,提供了理想的音乐文件功能自带的声音效果包括回声，更改节拍，减少噪音，而内建的剪辑、复制、混音与特效功能，更可满足一般的编辑需求。

它还支持VST和LADSPA 插件效果。

您可将Audacity用于:

    现场录音
    将磁带和录音带转录为数字录音或CD
    编辑Ogg Vorbis、MP3及WAV音频文件
    剪切、拷贝、接合及混音
    改变录音的速率或音高

特性

This is a list of features in Audacity, the free, open source, cross-platform audio editor. For full information on how to use these features, go to the help pages.
Recording

Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, records, or minidiscs. With some sound cards, Audacity can also capture streaming audio.

    Record from microphone, line input, USB/Firewire devices and others.
    Device Toolbar manages multiple input and output devices.
    Timer Record and Sound Activated Recording features.
    Dub over existing tracks to create multi-track recordings.
    Record at high sample rates in excess of 192,000 Hz (subject to appropriate hardware).
    Record multiple channels at once (subject to appropriate hardware).
    Level meters can monitor volume levels before, during and after recording. Clipping can be displayed in the waveform or in a label track.

Import and Export

Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in many different file formats, including multiple files at once.

    Import and export WAV, AIFF, AU, FLAC and Ogg Vorbis files.
    Fast "On-Demand" import of WAV or AIFF files (letting you start work with the files almost immediately) if read directly from source. "On-Demand" import of other file formats is available with the optional FFmpeg library.
    Import and export all formats supported by libsndfile such as GSM 6.10, 32-bit and 64-bit float WAV and U/A-Law.
    Import MPEG audio (including MP2 and MP3 files) using libmad.
    Import raw (headerless) audio files using the "Import Raw" command.
    Create WAV or AIFF files suitable for burning to audio CD.
    Export MP3 files with the optional LAME encoder library.
    Import and export AC3, M4A/M4R (AAC) and WMA with the optional FFmpeg library (this also supports import of audio from video files).

Sound Quality

    Supports 16-bit, 24-bit and 32-bit (floating point) samples (the latter preserves samples in excess of full scale).
    Sample rates and formats are converted using high-quality resampling and dithering.
    Tracks with different sample rates or formats are converted automatically in real time.

Editing

    Easy editing with Cut, Copy, Paste and Delete.
    Unlimited sequential Undo (and Redo) to go back any number of steps.
    Edit and mix large numbers of tracks.
    Multiple clips are allowed per track.
    Label tracks with selectable Sync-Lock Tracks feature for keeping tracks and labels synchronized.
    Draw Tool to alter individual sample points.
    Envelope Tool to fade the volume up or down smoothly.
    Automatic Crash Recovery in the event of abnormal program termination.

Accessibility

    Tracks and selections can be fully manipulated using the keyboard.
    Large range of keyboard shortcuts.
    Excellent support for JAWS, NVDA and other screen readers on Windows, and for VoiceOver on Mac.

Effects

    Change the pitch without altering the tempo (or vice-versa).
    Remove static, hiss, hum or other constant background noises.
    Alter frequencies with Equalization, Bass Boost, High/Low Pass and Notch Filter effects.
    Adjust volume with Compressor, Amplify, Normalize and Fade In/Out effects.
    Remove Vocals from suitable stereo tracks.
    Create voice-overs for podcasts or DJ sets using Auto Duck effect.
    Other built-in effects include:
        Echo
        Phaser
        Wahwah
        Paulstretch (extreme stretch)
        Reverse
        Truncate Silence
    Run "Chains" of effects on a project or multiple files in Batch Processing mode.

Plug-ins

    Add new effects with LADSPA, Nyquist, VST and Audio Unit effect plug-ins.
    Effects written in the Nyquist programming language can be easily modified in a text editor - or you can even write your own plug-in.

Analysis

    Spectrogram view modes for visualizing frequencies.
    "Plot Spectrum" command for detailed frequency analysis.
    "Sample Data Export" for exporting a file containing amplitude values for each sample in the selection.
    Contrast Analysis for analyzing average rms volume differences between foreground speech and background music.
    Support for adding VAMP analysis plug-ins.

Free and Cross-Platform

    Licensed under the GNU General Public License (GPL).
    Runs on Windows, Mac OS X and GNU/Linux.

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数码音效处理程序

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强大的音频软件

koal

剪切、拷贝、接合及混音