Your voice is your instrument. Whether you're recording NiteFlirt goodies, cutting a podcast episode, or producing ASMR — the difference between amateur and professional is not talent. It's knowing how audio actually works and having a reliable process for capturing, editing, and delivering it.
This course takes you from zero to publishing-ready. You'll learn what sample rates and bit depths mean (and which ones to actually use), how to treat a room for recording without spending a fortune, how to record and edit in Audacity (free, open-source, and more powerful than most people realize), and how to export your audio for every platform you'll publish on.
Before you touch a microphone, you need to understand what sound actually is in digital form. This isn't academic theory for its own sake — these concepts directly affect every decision you'll make about recording quality, file size, and platform compatibility.
Sound as Data
When a microphone captures your voice, it converts air pressure changes into an electrical signal. Your computer then samples that signal thousands of times per second and stores each sample as a number. That's digital audio.
Sample Rate
Sample rate is how many times per second the audio is measured. Think of it like frames in a video — more frames means smoother motion, more samples means smoother sound.
- 44,100 Hz (44.1 kHz) — CD quality. The standard for music and most audio content. This is your default.
- 48,000 Hz (48 kHz) — Video standard. Use this if your audio is going into a video project.
- 22,050 Hz — Lower quality, smaller files. Fine for spoken word if file size matters.
- 96 kHz / 192 kHz — Overkill for content creation. Don't bother unless you're producing music for audiophiles.
Rule of thumb: Record at 44.1 kHz or 48 kHz. Always. You can downsample later, but you can't add detail that wasn't captured.
Bit Depth
Bit depth determines the dynamic range — the difference between the quietest and loudest sound your recording can capture.
- 16-bit — CD quality. 96 dB dynamic range. Perfectly fine for final exports.
- 24-bit — Professional recording standard. 144 dB dynamic range. Record in this — it gives you more headroom for editing.
- 32-bit float — Audacity's internal format. Essentially impossible to clip. Great for editing, but you'll export to 16 or 24.
File Formats
This is where it gets practical. You need to know which format to use and when:
- WAV — Uncompressed, lossless. Your master copy. Large files (about 10 MB per minute at 44.1/16). Keep your originals in WAV.
- FLAC — Compressed but lossless. Half the size of WAV with zero quality loss. Great for archiving.
- MP3 — Compressed, lossy. Small files. The universal format for distribution. Export at 192 kbps or higher for voice content.
- M4A/AAC — Apple's format. Better quality than MP3 at the same file size. Required for some platforms.
- OGG Vorbis — Open-source alternative to MP3. Some platforms accept it, most listeners won't know the difference.
Record in WAV (or FLAC). Edit in WAV. Export to MP3/M4A for distribution. Keep your WAV masters forever.
💡 Key Takeaway
Record at 44.1 kHz / 24-bit in WAV format. This gives you maximum editing flexibility. Export to MP3 (192+ kbps) for distribution. Never delete your WAV masters.
🔨 Exercise 1.1: Format Comparison
Record a 30-second voice clip in Audacity at 44.1 kHz / 24-bit. Export it in all of these formats:
- WAV (24-bit)
- MP3 at 128 kbps
- MP3 at 192 kbps
- MP3 at 320 kbps
- M4A/AAC
Compare: file sizes, playback quality (use headphones). Can you hear the difference between 192 and 320? Between 320 and WAV? Note where the quality drop becomes noticeable.
Deliverable: A comparison chart showing format, bitrate, file size, and your subjective quality rating for each export.
Here's a secret the gear-obsessed won't tell you: room acoustics matter more than your microphone. A $60 mic in a treated room will sound better than a $400 mic in a bathroom. Let's get your space and your technique right.
Choosing a Microphone
You don't need to spend a lot. Here's the real breakdown:
- Your phone — Surprisingly decent for getting started. Record in a quiet room, hold it 6-8 inches from your mouth. This is free and it works.
- USB microphones ($30-80) — The sweet spot for beginners. Plug directly into your computer, no extra hardware needed. The Fifine K669 (~$30) and Audio-Technica ATR2100x (~$80) are both excellent.
- XLR microphones ($80+) — Professional quality but require an audio interface ($50-150 extra). Worth it when you're serious. The Audio-Technica AT2020 is the classic starter.
Condenser vs Dynamic: Condensers pick up more detail (and more room noise). Dynamics reject background noise better. If your room isn't treated, start with a dynamic mic.
Microphone Technique
How you use the mic matters more than which mic you buy:
- Distance: 4-8 inches from your mouth. Too close = boomy and popping. Too far = thin and roomy.
- Angle: Slightly off-axis (pointed at the corner of your mouth, not dead center). This reduces plosives (the "P" and "B" pops).
- Pop filter: A $10 pop filter eliminates plosives. If you don't have one, a sock stretched over a wire hanger works in a pinch.
- Consistency: Once you find your sweet spot, maintain the same distance and angle for the entire session. Inconsistent distance is the #1 amateur mistake.
- Gain staging: Set your input level so your normal speaking voice peaks around -12 to -6 dB. This leaves headroom for louder moments without clipping.
Room Treatment on a Budget
Professional studios spend thousands on acoustic treatment. You can get 80% of the way there for under $50:
- Closet recording: The single best free option. A closet full of clothes absorbs reflections naturally. Hang a blanket over the door and you have a vocal booth.
- Moving blankets ($10-20 each): Thick, dense blankets hung on the walls behind and beside you. Three blankets can transform a room.
- The pillow fort method: Surround yourself with pillows and blankets on a desk. It looks ridiculous. It sounds great.
- Mattress trick: Stand a mattress against the wall behind you. Excellent absorption for free.
- What NOT to do: Egg cartons don't work. Foam panels from Amazon are mostly decorative. Don't waste money on them.
The goal isn't silence — it's reducing reflections. You want your microphone to hear your voice, not your voice bouncing off the walls.
💡 Key Takeaway
Start with what you have. Phone + closet is a legitimate recording setup. Upgrade the room first, the mic second. Consistent technique at 4-8 inches off-axis beats expensive gear with bad habits.
🔨 Exercise 2.1: Room Comparison
Record the same 30-second script in three different locations in your home:
- Your normal room (untreated)
- Your bathroom or kitchen (hard surfaces — worst case)
- Your closet or a treated corner (blankets/pillows)
Listen back with headphones. Note the reverb, clarity, and background noise in each. You'll hear exactly why room treatment matters.
Deliverable: Three audio clips and a written comparison noting the differences you hear.
Audacity is free, open-source, and runs on Windows, Mac, and Linux. It's not the prettiest software, but it handles everything you need for voice recording and editing. Let's build a workflow you can use every time.
Setup & First Recording
- Install Audacity from audacityteam.org.
- Select your microphone in the toolbar dropdown (not "Microsoft Sound Mapper" — pick your actual mic).
- Set project rate to 44100 Hz (bottom-left corner).
- Set recording quality: Edit → Preferences → Quality → Default Sample Format → 32-bit float (this is Audacity's internal format; you'll export to 24 or 16 later).
- Test your levels: Click the microphone meter, speak normally. Peaks should hit around -12 to -6 dB. Adjust your input gain accordingly.
- Hit Record (R) and speak. Leave 2-3 seconds of silence at the beginning — you'll need this for noise profiling.
Essential Editing Operations
Selection & cutting: Click and drag to select audio. Delete key removes it. Ctrl+Z undoes. This is how you remove mistakes, long pauses, and "umm"s.
Fade in/out: Select the first 0.5-1 second of audio → Effect → Fade In. Select the last 0.5-1 second → Effect → Fade Out. This prevents clicks at the start and end. Do this on every export.
Normalize: Effect → Normalize → Set to -1.0 dB. This brings your audio to a consistent, loud-but-not-clipping level. Apply this as one of your last steps.
Noise reduction (the big one):
- Select 2-3 seconds of silence from your recording (the quiet part where you're not speaking).
- Effect → Noise Reduction → "Get Noise Profile" — Audacity learns what your background noise sounds like.
- Select your entire recording (Ctrl+A).
- Effect → Noise Reduction → Set reduction to 6-12 dB, Sensitivity to 6, Frequency Smoothing to 3 → OK.
- Listen back. If the voice sounds "underwater" or artifacts appear, undo and try lower settings.
Compression (optional but recommended): Effect → Compressor. This evens out volume differences — quiet parts get louder, loud parts stay controlled. Start with Threshold: -12 dB, Ratio: 3:1, Attack: 0.2s, Release: 1.0s. Adjust to taste.
The Standard Editing Workflow
Use this order every time:
- Record with 2-3 seconds of lead-in silence
- Noise reduction (profile from the silence, apply to all)
- Cut mistakes, long pauses, mouth sounds
- Compression (if needed)
- Normalize to -1.0 dB
- Fade in (first 0.5s) and fade out (last 1s)
- Listen through with headphones — catch anything you missed
- Export
💡 Key Takeaway
The editing workflow matters more than any individual technique. Noise reduction → cuts → compression → normalize → fades → export. In that order. Every time. Consistency is what separates amateur from professional-sounding audio.
🔨 Exercise 3.1: Record & Edit a 2-Minute Voice Piece
This is the core exercise of the course. Record a 2-minute spoken piece (read a script, tell a story, do a monologue — your choice) and edit it to broadcast quality:
- Record raw audio in your treated room with proper mic technique
- Apply the full editing workflow: noise reduction, cuts, compression, normalization, fades
- Save the Audacity project file (.aup3) AND export as WAV
- Listen on headphones AND on phone speakers — it should sound good on both
Deliverable: Two files — your raw unedited recording and your finished edit. The difference should be dramatic.
You've recorded and edited a great piece of audio. Now it needs to reach people. Each platform has different requirements, and getting the export wrong can mean rejected uploads, poor sound quality, or unnecessarily large files.
Export Settings by Platform
NiteFlirt Goodies:
- Format: MP3, 192 kbps or higher
- Max file size: 100 MB (you'll never hit this for audio)
- Sample rate: 44.1 kHz
- Tip: NiteFlirt compresses poorly-encoded files further. Start with high quality so the double-compression doesn't ruin it.
- Naming: Match your listing title. "Whispered_Bedtime_Fantasy_Part1.mp3" — professional, descriptive, no weird characters.
Podcast Hosting (Spotify/Apple via Anchor, Buzzsprout, etc.):
- Format: MP3, 128 kbps mono for spoken word, 192 kbps stereo if there's music
- Loudness target: -16 LUFS (this is the podcast industry standard)
- Sample rate: 44.1 kHz
- Include ID3 tags: title, artist, album (your show name), year, genre (Podcast)
- Tip: Mono files are half the size of stereo. For solo voice content, there's zero reason to use stereo.
SoundCloud:
- Format: WAV or FLAC preferred (SoundCloud transcodes to 128 kbps MP3 for streaming, so give it the best source)
- Max file size: 500 MB per track
- If uploading MP3: 320 kbps minimum
- Tip: SoundCloud's free tier limits total upload time. Use it for showcase pieces, not your entire catalog.
Reddit / GoneWildAudio:
- Host on: Soundgasm (free, anonymous, no ads on playback), Whyp, or your own site
- Format: MP3, 192 kbps
- Post the link in your r/gonewildaudio submission with proper tags
- Tip: Don't host audio on Google Drive or Dropbox — they throttle popular links and the playback experience is terrible.
Exporting from Audacity
File → Export → Export as MP3 (or WAV, or FLAC):
- For MP3: set Bit Rate Mode to "Constant," Quality to 192 kbps (or higher), Channel Mode to Joint Stereo (or Mono if appropriate)
- Fill in the metadata tags in the dialog that appears — title, artist, album, year. This is what shows up in media players.
- For WAV masters: File → Export → Export as WAV → 24-bit. Store these somewhere safe.
Distribution Strategy
One recording, multiple platforms. Here's the workflow:
- Master file: Export WAV from your final edit. Archive it. Never touch it again.
- NiteFlirt goodie: Export MP3 at 192+ kbps from the master. Upload and price it.
- Podcast episode: Export MP3 at 128 kbps mono with proper loudness. Upload to your host.
- SoundCloud teaser: Cut a 30-60 second preview from the master. Export as WAV. Upload with a link to the full version.
- Reddit/GWA: Export MP3 at 192 kbps. Upload to Soundgasm. Post with tags.
One recording session → one master → four distribution channels. That's how you build a catalog without burning out.
💡 Key Takeaway
Different platforms need different formats. Always keep a WAV master, then export platform-specific versions. One piece of content should appear in as many places as possible — that's how you build an audience across platforms.
🔨 Exercise 4.1: Multi-Platform Export (Course Deliverable)
Take your finished 2-minute piece from Exercise 3.1 and export it for three different platforms:
- NiteFlirt ready: MP3, 192 kbps, stereo, with a professional filename
- Podcast ready: MP3, 128 kbps, mono, normalized to -16 LUFS, with ID3 tags filled in
- SoundCloud / archive: WAV, 24-bit, 44.1 kHz
Compare the three files: sizes, playback quality, metadata display. Confirm each would be accepted by its target platform.
Deliverable: Three export files plus a brief write-up noting file sizes and any quality differences you can hear between them.
💡 Course Complete
You now understand digital audio, can set up a recording space on a budget, record and edit in Audacity with a professional workflow, and export for every major platform. Next up: DGTL-105 Video Production 1, where you'll add visual storytelling to your toolkit.