Frequently Asked Questions (FAQ)
From Audacity Development Manual
					
										
					
					
Contents
- About Audacity
 - Installation, Startup and Plug-ins
 - Recording - Troubleshooting
 - Recording - How To's
 - Playback
 - Opening and Saving Files
 - MP3 export problems
 - Editing
 - Errors
 - Errors opening/recovering an Audacity project
 
- Is Audacity really free? Why?
 - Does Audacity contain any spyware, malware or adware?
 - May I distribute copies of Audacity?
 - Someone is selling Audacity on eBay. Is this legal?
 - A search result misled me into paying for an Audacity download. What can I do?
 - Audacity isn't displaying in the expected or desired language. Can I change this?
 - Will there be a version of Audacity for iPod, iPad or other smartphones or tablet computers?
 - Can I run Audacity on a Chromebook laptop?
 - Does Audacity work with screen-reader applications for blind users?
 - What features does Audacity have for speech transcription or speech recognition?
 - Does Audacity run on 64-bit systems?
 - Does Audacity support low latency ASIO drivers?
 - How do I find which Audacity version I have, and if this is the latest version?
 - Why doesn't Audacity ship with an MP3 encoder?
 - How can I help to improve Audacity?
 
Installation, Startup and Plug-ins
- How do I install or update Audacity?
 - How do I uninstall Audacity?
 - What should I do if I have problems downloading or installing Audacity?
 - How do I download and install the LAME MP3 encoder?
 - How do I download and install the FFmpeg Import/Export Library?
 - What Effect, Generator and Analyzer plug-ins does Audacity support and how do I install them?
 - How can I solve Audacity not appearing or crashing on launch, or crashing after I add a plug-in?
 - What should I do if I get errors building Audacity?
 - Windows: How can I make Audacity launch when I double-click a WAV or other audio file?
 - Mac: Why do I see "Verifying" or "Damaged" messages when I launch Audacity?
 - How do I reset my Audacity settings?
 
- How can I record without small skips (dropouts) or duplications?
 - Why can I not record in Windows?
 - How can I prevent clicky recordings on Mac?
 - Why can't Audacity see the audio device I just connected?
 - Why can’t I hear what I’m recording?
 - Why is there a delay or echo when listening to what I am recording?
 - Why do my recordings fade out or sound as if they were made in a tunnel?
 - Why is my new track out of sync with the previous ones, or sounds crackly or at wrong pitch?
 - Why can't I record my electronic keyboard or electronic instrument using the USB cable?
 - Why doesn't recording from YouTube (or other streaming audio) work?
 - Why do I get crackles, pops, or distortion when the recording is loud?
 - Why do I see a lot of vertical red lines in the track I just recorded?
 - Why is the Audacity recording slider grayed out on maximum?
 - Why does my recording keep pausing automatically or why is my recording cursor stuck?
 - Why do I get only a flat line and no sound when I try to record?
 - Why do I get a periodic noise every 6 - 12 seconds when recording?
 - How can I prevent a half-volume mono recording?
 - How can I prevent unbalanced or poorly separated stereo recording?
 - How can I correct an unbalanced stereo recording?
 - Why is the recorded waveform not centered on the horizontal line at 0.0?
 
- How can I record in stereo?
 - What is an optimal recording level to aim for?
 - How do I record from vinyl records, cassette tapes or MiniDiscs?
 - Can I play a track while recording a new one on top of it?
 - Can Audacity record YouTube, internet radio or other streaming audio?
 - What is the maximum recording length?
 - Can I set Audacity to record at a certain time?
 - Can I record from a multi-channel device (more than stereo)?
 - Can I record from two microphones (or two audio interfaces) at the same time?
 
- Why have I lost sound after connecting a USB device on Windows?
 - Why does playback go quiet when I record or adjust the recording volume?
 - Why do I hear clicky playback on Mac?
 - Why is there a very low level hiss on exported files?
 - How can I pause playback so I can edit there?
 - How can I play or export multi-channel (surround sound) files?
 
- How do I save my audio for use in other applications? Does saving a project (AUP file) do that?
 - Why does Audacity create a folder full of .au files when I save a project?
 - Audacity crashed, or I no longer have the AUP project file! Can I recover the data?
 - Can Audacity import or export formats like WMA, AC3 or iTunes files (M4A/MP4)?
 - How can I export to formats not listed in the Export Audio Dialog?
 - Why do exported files not include Album Artist or BPM metadata, Album Art or Lyrics?
 - How do I import tracks from an audio CD?
 - How do I save my recording on an audio CD?
 - How can I split a long recording into multiple files or CD tracks?
 - Why does Audacity warn about the name or nothing happens when I export?
 - Why does my file import with a hatched pattern then slowly change to a waveform?
 - I copied the .aup file to another computer or sent it by email to a friend; but now when I open it there's no sound, why?
 - How can I backup my Audacity Projects?
 
- Why does Audacity crash or use excessive processing time on MP3 export?
 - Why is my exported MP3 invalid / will not play?
 - Why does my exported MP3 play too fast?
 - Why does my exported MP3 have low volume or no sound?
 - Why is my exported MP3 larger than the imported one?
 
- Why can't I use the effects or other menu items?
 - Why can't I select less than one second or click between whole seconds?
 - Why do I hear clicks when I remove or paste audio, or at the start or end of the track?
 - How do I select audio in one track?
 - How do I extend or move the selected region into other tracks?
 - How do I combine two files into one longer file?
 - How do I mix two tracks together?
 - Can I remove the vocals from a recording to make a Karaoke track?
 - Can I create Ringtones or IVR messages with Audacity?
 - Why do I see a lot of vertical red lines in the track I just recorded?
 - Can Audacity preview or apply effects live, in real-time?
 - How do I convert a stereo track to mono, or mono to stereo?
 
- Why do I get "Error opening sound device"?
 - Why do I get "FFmpeg Error - Can't open audio codec 0x15002" (or 0x15003)?
 - Why does the computer reboot or show a blue screen message when I play or record in Audacity?
 - I found a bug! Now what?
 - Feature X is not good enough or missing.
 
Errors opening and recovering Audacity projects
- Why do I get "Error: not well-formed (invalid token) at line x"?
 - Why do I get "Error: Reference to invalid character number at line x"?
 - Why do I get "Error importing" when opening an AUP file?
 - Why do I get "Error Opening File or Project: File may be invalid or corrupted"?
 - Why do I get "Error Opening Project: mismatched tag at line x"?
 - Other errors opening projects