Want a powerful way to get started with Audacity for podcasting without spending a dime? You’re in the right place.
Audacity is a strong sound editor that’s free to use and has a shallow learning curve. It’s available on all major operating systems, including Windows, macOS, and Linux. This has made it one of the most prominent tools for audacity podcast editing.
This audacity podcast tutorial will walk you through everything: how to record in audacity, how to edit in audacity, apply effects, and export your finished episodes like a pro.
Getting Started: Download and Install Audacity
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Understanding the Audacity Interface
Before you start recording or editing your first podcast episode, you need to understand the Audacity interface. This saves time and frustration. The program organizes its functions into distinct toolbars, and each serves a specific purpose in your workflow.
Transport Toolbar Overview
The Transport Toolbar controls playback and recording in Audacity. You’ll find the standard controls here: play, stop, pause, and record buttons. These buttons work as you’d expect from any recording device. The toolbar also has skip functions that jump to the start or end of your project when you’re not playing or recording.
The Transport Menu provides access to advanced features like loop play, scrub play, and sound activated recording. Sound activated recording proves useful when capturing intermittent audio, such as interview responses. It pauses when input falls below a specified activation level.
Device Toolbar Settings
Audacity doesn’t display the Device Toolbar by default. You can enable it by clicking on View > Toolbars and checking Device Toolbar. Once visible, expand it rightwards using the resizer handle to see full text for each setting.
This toolbar provides quick access to four critical settings. The Audio Host dropdown selects the interface between Audacity and your audio devices. Windows shows you MME (the default and most compatible option), Windows DirectSound, and Windows WASAPI. MME works with all audio devices but limits recording to 16-bit quality. WASAPI supports 24-bit recording devices and proves especially useful when you have loopback recording needs for computer playback.
The Recording Device dropdown displays your available input options. Windows with MME selected shows you “Microsoft Sound Mapper – Input” as the current default recording device. When using an external USB microphone or audio interface, select it from this list. Each device entry shows the input type followed by the manufacturer name in parentheses.
Recording Channels lets you choose between 1 (Mono) or 2 (Stereo), depending on your source. Set this to 1 (Mono) to record with a microphone for podcasting. Stereo sources require the 2 (Stereo) setting. Keep in mind that mono devices set to stereo may duplicate the signal to both channels or produce audio in only one channel.
The Playback Device dropdown determines where Audacity sends audio output. Select your headphones or monitors here. When recording, monitor through headphones rather than speakers to avoid feedback loops and audio bleed.
Meter Toolbar and Level Monitoring
Audacity has two separate meter toolbars. The Recording Meter (identified by the microphone icon) displays recording levels, while the Playback Meter (marked with a loudspeaker icon) shows playback levels.
Both meters use color-coded bars to show signal strength. The bars remain green until reaching -12 dB, then merge to yellow as the signal approaches -6 dB. This -6 dB level represents a good maximum to hit when recording. The bars merge from yellow to red if your signal exceeds -6 dB, warning that you’re approaching 0 dB where clipping occurs.
The Recording Meter has a slider to control recording amplitude. Set your levels before recording by clicking the microphone icon and selecting Enable Silent Monitoring. This activates visual monitoring without recording a track. Speak at your normal podcast volume and adjust the slider until the blue lines (showing maximum peak level) reach approximately -6 dB. This approach gives you headroom for volume adjustments during editing.
The Playback Meter activates during playback and reflects the combined amplitude of all tracks in your project. The playback slider controls only the volume delivered to your speakers or headphones. It doesn’t affect the amplitude of your audio files.
You can resize both meters by clicking and dragging their right edge when docked. Undock the meters and resize them vertically or horizontally for more precise monitoring. Clicking on either meter icon opens a dropdown menu where you can change the meter style, orientation, and scale format between dB (logarithmic) and Linear.
Tools Toolbar Essentials
The Tools Toolbar contains five editing tools, and each activates with specific keyboard shortcuts:
- Selection Tool (F1): Click to set a playback start point or drag to select an audio range. You can also create selections between two points by clicking one location, then holding Shift while clicking another point. This tool activates when reopening Audacity.
- Envelope Tool (F2): Creates smooth volume changes throughout a track using embedded control points. Click in the track to create a point, then drag one of its four handles to adjust volume. When you create multiple control points at different levels, Audacity interpolates a smooth curve between them.
- Draw Samples Tool (F3): Manually redraws the waveform at the sample level. Use this for volume changes to individual samples or repairs to clicks and noise.
- Multi-Tool (F6): Combines all other tools in one. The active tool changes based on mouse position and modifier keys, with the pointer shape showing which tool is active.
Two additional keyboard shortcuts help you move between tools. Press A to cycle backwards through available tools, while D cycles forwards. These shortcuts only work if you select the Full set of shortcuts in Keyboard Preferences rather than the default Standard set.
How to Record in Audacity
Your first podcast episode needs proper level setting and an understanding of when to use specific controls. Get these fundamentals right from the start.
Setting Recording Levels
Set your input levels before you press record. This prevents distortion and maintains clean audio. Click the microphone icon on the Recording Meter and select “Start Monitoring” to activate the visual level display. You can see your input signal without recording.
Speak into your microphone at your normal podcast volume. Watch the meter as you talk. Your goal is to maximize dynamic range, which means achieving the loudest possible recording without clipping while keeping background noise minimal. The green bars should peak between -12 dB and -6 dB when you’re speaking at normal volume. This range provides adequate headroom for unexpected volume spikes during your actual recording.
Reduce the input using the recording level slider (the one with the microphone icon) if your levels exceed -6 dB and push into the red zone. Move the slider left in small increments until your peaks stay within the target range. If your voice barely registers on the meter and doesn’t reach -15 dB, increase the slider to the right.
Some audio interfaces or operating systems may prevent Audacity from controlling the recording level. Adjust your input level through your system’s sound control panel or the interface’s hardware controls instead if the slider appears grayed out or inactive.
Starting Your Podcast Recording
Press the red Record button in the Transport Toolbar to begin recording. The keyboard shortcut R produces the same result. Audacity creates a new track and starts capturing audio from your selected input device.
The recording continues until you tell it to stop. Press the spacebar or click the Stop button (the square icon) to end the recording session. Audacity doesn’t restrict maximum recording length beyond available disk space on your drive. Stereo recording consumes about 1.2 GB of space per hour with default settings.
Hold Shift before pressing Record if you want to add more content to an existing track without creating a new one. This “append record” function places new audio after the existing content in the selected track. The shortcut Shift+R achieves the same result. Audacity places a clip line at the junction between recordings and makes it easy to identify where separate takes meet.
Pause vs Stop: When to Use Each
The Pause button (or P shortcut) suspends recording while you retain your position. The recording remains active but audio capture stops for a moment. Press Pause again to resume recording from where you left off. This proves useful during brief interruptions like coughing, background noise, or quick reference checks.
Stop ends the recording session. Audacity finalizes the current take if you click Stop (or press the spacebar). A new recording after stopping creates either a new track or appends to the existing one based on whether you hold Shift.
You cannot edit audio while paused. The editing tools remain inactive until you either resume or stop the recording. Most podcasters find it easier to record complete segments and edit afterward rather than attempting to pause and trim during capture.
Recording Multiple Tracks
Audacity supports multi-track recording and allows you to layer multiple audio sources or create podcast episodes with separate tracks for each speaker. Enable “Play other tracks while recording (overdub)” in Recording Preferences to hear existing tracks while recording new ones. This setting plays back your existing audio through your monitoring system as you record additional tracks.
Pressing Record appends audio to the current track by default if tracks already exist. Hold Shift before clicking Record or use the Shift+R shortcut to record on a fresh track instead. The new track appears below existing ones and records on its own.
Audacity can record multiple channels at once if your audio interface supports it. The software handles as many channels as your device offers, including interfaces with 24 or more inputs. Select the number of recording channels in the Device Toolbar or Audio Settings Preferences. Multi-channel recording needs specific hardware and compatible drivers. This functionality works with WDM drivers on Windows, though some devices need WASAPI selected as the host.
Audacity captures both inputs into a single stereo file if you record two microphones at once through a stereo interface. Input 1 records to the left channel while Input 2 goes to the right channel. Split the stereo file into two mono tracks after recording by clicking the dropdown arrow next to the track name and selecting “Split Stereo to Mono”.
Basic Editing Techniques for Podcasts
Your podcast recording sits in Audacity. Editing transforms raw audio into a polished episode. The selection tool is the foundation of every edit you’ll make.
Using the Selection Tool
The Selection Tool appears as an I-beam cursor and activates when you open Audacity. Click anywhere inside an audio track and drag in either direction to highlight a region. The gray selection area shows what your next action will affect.
You can select audio across multiple tracks. Click in the first track and drag downward while moving horizontally. Say you click after 2.0 seconds in the first track and drag to 5.0 seconds while extending into the second track. Both tracks receive a blue-gray background in their Track Control Panel. Any effect or edit you apply now affects only these selected regions.
Select an entire track by clicking in the empty space of the Track Control Panel to the left of the waveform. You can also double-click in the audio track. Press Ctrl + A (⌘ + A on Mac) to select everything in your project. This proves useful for applying effects to your whole episode at once.
Cutting and Trimming Audio
You need to understand how deletion affects your timeline before removing unwanted sections. Select a region with the Selection Tool and press the Delete key to remove that audio. Audacity joins the remaining segments and eliminates gaps. Your podcast’s natural flow stays intact. This method works well for removing coughs, mistakes, or long pauses.
You might need to preserve timing rather than close gaps. Use Split Delete instead. Select your unwanted audio and choose Edit > Remove Special > Split Delete. This removes the selected content but leaves silence in its place. All subsequent audio stays at its original time position.
Trimming operates in reverse. Select the portion you want to keep and use Edit > Remove Special > Trim Audio or press Ctrl+T. Everything outside your selection disappears. Only the highlighted region remains. Exercise caution with this function on long recordings. You might remove more than intended.
Newer Audacity versions let you trim clips non-destructively. Hover near the upper third of a clip’s left or right edge. The cursor changes shape and allows you to click and drag the edge to shorten the clip. This trimming doesn’t delete audio. You can extend the clip back to its original length anytime by dragging the edge outward again.
Moving Audio with Time Shift
Audacity simplified audio movement in version 3.1.0. The dedicated Time Shift Tool was replaced with clip handles. These handles appear as the lighter band at the top of every clip. Click and drag a clip handle to move that audio segment left or right along the timeline.
Yellow Boundary Snap Guides appear as vertical lines as you move a clip. These guides help arrange clips by snapping the left or right edge to the nearest clip boundary in any other track. This makes synchronizing multiple audio sources straightforward.
You can move multiple clips at once. Select them all using the Selection Tool and drag any clip handle within the selected region. All selected clips move together and maintain their relative positions. Drag a clip handle outside the selected area and only that single clip moves while the selection stays in place.
Splitting and Joining Clips
Split functions divide audio into independent segments that you can manipulate separately. Position your cursor where you want to split and press Ctrl + I (⌘ + I on Mac) or select Edit > Clip Boundaries > Split. A thin line appears and marks the division between two clips that now move independently.
Use Split New if you want the split portion on a new track. Press Ctrl + Alt + I (⌘ + Option + I on Mac) or choose Edit > Clip Boundaries > Split New. Audacity creates the new clip on its own track below the original.
Joining clips reverses the split operation. Select portions of the clips you want to merge using the Selection Tool and press Ctrl + J (⌘ + J on Mac) or choose Edit > Clip Boundaries > Join. The joined clips become one continuous piece. Silence remains in any gaps that existed between them. Use the clip handles to drag the clips together first to eliminate those gaps before joining.
Improving Audio Quality with Effects
Raw recordings rarely sound polished enough for publication. Effects transform acceptable audio into professional-quality podcast episodes.
Noise Reduction for Clean Sound
Background noise requires a two-step process in Audacity. First, locate a section containing only the noise you want to remove. Select this region, then go to Effect > Noise Reduction and click “Get Noise Profile”. This step teaches Audacity which frequencies to eliminate.
Next, select the entire audio track where you want noise removed. Return to Effect > Noise Reduction and adjust the parameters. Set Noise Reduction to 12 dB, Sensitivity to 6, and Frequency Smoothing to 3 bands as starting values. Click Preview and hear the result before you commit. The Residue toggle lets you hear what will be removed. This helps you avoid eliminating desired audio along with the noise.
Be conservative with these settings. Aggressive noise reduction creates artifacts that sound worse than the original problem.
Applying Compression
Compression balances volume levels by reducing the difference between loud and quiet parts. Listeners struggle to hear soft sections or get blasted by sudden volume spikes without it.
Select your audio, then go to Effect > Compressor. Set the Threshold to -18 dB, which tells Audacity to compress any audio louder than this level. The Ratio determines compression strength. A 4:1 ratio works well for most podcast speech. Set Attack Time to 0.10 seconds and Release Time to 1.0 seconds. These values control how compression responds to volume changes and does so quickly.
Enable “Make-up gain for 0 dB after compressing” and boost the overall volume after compression. This brings quieter sections up to a listenable level. Preview your settings before you apply them. Audio that sounds distorted or harsh indicates over-compression.
Using EQ to Boost Voice Clarity
Equalization shapes your voice by adjusting specific frequency ranges. Select your audio and open Effect > Filter Curve EQ.
Start with a high-pass filter at 75 Hz and remove rumble and sounds below the human voice range. Around 400 Hz, reduce by 2-3 dB and eliminate boxy tones. Between 2 kHz and 10 kHz, boost by about 4 dB with a center frequency around 6 kHz and add clarity and presence. Use a Q-factor of 0.7 for this boost and affect a wider range.
Normalization and Loudness Standards
Loudness Normalization is different from peak normalization by considering perceived volume rather than just peak levels. Go to Effect > Volume and Compression > Loudness Normalization.
Set the target to -23 LUFS for the EBU broadcasting standard or -20 LUFS for general podcast use. Keep “Normalize stereo channels independently” disabled and preserve your audio’s balance. This effect should be performed as a final step before export.
Adding Fade In and Fade Out
Fades create smooth transitions at episode beginnings, endings, or between segments. Select the portion where you want a fade, then choose Effect > Fade In or Fade Out. These linear fades apply constant volume changes.
Use Effect > Fading > Studio Fade Out for a more musical fade out, which applies a doubly-curved fade that sounds less mechanical. Crossfades blend two audio segments by fading one out while another fades in and create seamless transitions between clips.
Exporting Your Finished Podcast
After applying effects, your podcast needs to leave Audacity as a distributable file. Go to File > Export > Export Audio to access the export dialog. A window opens where you select your destination folder, filename and format.
Choosing the Right Export Format
Audacity supports multiple export formats. Each serves different purposes. WAV and AIFF are uncompressed formats where every sample of sound gets represented by a binary number. This results in no quality loss compared to the original audio. MP3, OGG Vorbis and M4A (AAC) are compressed formats that produce substantially smaller files at the expense of some quality. FLAC offers a middle ground as a compressed but lossless format. It gives roughly half the file size of WAV while maintaining perfect quality.
You must install the LAME MP3 encoder to export MP3 files from Audacity. Without it, MP3 won’t appear as an export option.
MP3 vs WAV: Which to Use
Use WAV during production and editing, then convert to MP3 to distribute. WAV files preserve complete audio information. This makes them superior to edit where you might apply additional processing. MP3 files sacrifice audio data through compression. Audio professionals call this a “lossy” format.
MP3 files occupy five to ten times less storage space than WAV files. Select CBR (Constant Bit Rate) rather than VBR (Variable Bit Rate) for podcasts, as VBR causes timestamp scrubbing issues in some players. Voice-only content works well with 64 kbps CBR mono for reasonable quality, while 96 kbps CBR mono delivers excellent results. Music-heavy podcasts require 128 kbps CBR stereo for reasonable quality or 192 kbps for very good quality.
Adding ID3 Tags and Metadata
Click the Edit Metadata button in the export dialog to open the Metadata Editor. This tool embeds descriptive information like artist, year and genre into your file. MP3 and MP2 files support ID3v2.3 tags that players like Apple Music and Spotify recognize. Enter values for Track Title, Artist Name, Album Title, Track Number, Year, Genre and Comments. Leave blank any fields you don’t need.
Conclusion
You now have everything you need to create professional-quality podcasts using Audacity. These techniques will reshape your raw audio into polished content. You’ll set up recording levels, apply effects and export your final episode.
The key is practicing these editing workflows until they become second nature. Start with simple cuts and noise reduction. Then incorporate compression and EQ as you gain confidence.
Audacity gives you professional-grade tools without the professional price tag. Keep experimenting with different effects and settings to find what works best for your voice and style. Your podcast editing skills will improve with each episode you produce.
