guides

Multi-Track Podcast Recording: Separate Tracks for Better Editing

PodRewind Team
8 min read
audio mixing board with multiple channel faders
Photo via Unsplash

TL;DR: Multi-track recording captures each speaker on a separate audio file, enabling independent editing and mixing. Remote platforms like Riverside do this automatically. For local recording, use a multi-channel audio interface with individual microphones. The editing flexibility is worth the setup complexity for any podcast with multiple speakers.


Table of Contents


Why Multi-Track Recording Matters

When multiple people speak into the same recording, their audio becomes inseparable.

Here's the thing: with a single mixed track, you can't fix one person's audio without affecting everyone else. Multi-track recording captures each voice independently, giving you complete control in post-production. This transforms what's possible in your editing workflow.

Single Track Limitations

What you can't do with single-track recordings:

  • Remove background noise from one speaker without affecting others
  • Adjust volume levels of individual speakers
  • Remove one person's coughs, sneezes, or interruptions
  • Apply different processing to different voices
  • Edit out one person's stumbles while another talks

Example problem: Your guest coughs while you're making an important point. With single-track, removing the cough removes your words too.

Multi-Track Advantages

What multi-track enables:

  • Edit each person independently
  • Apply noise reduction to problematic speakers only
  • Balance volume between loud and quiet speakers
  • Remove cross-talk and interruptions cleanly
  • Fix individual technical issues without affecting others

The result: Professional-sounding conversations regardless of what happens during recording.

When Multi-Track Is Essential

Required for:

  • Any podcast with multiple speakers
  • Remote interviews
  • Co-hosted shows
  • Panel discussions
  • Professional productions with sponsors

Optional for:

  • Solo podcasts (only one track anyway)
  • Casual recordings where editing isn't critical
  • Shows with minimal post-production

Multi-Track for Remote Recording

Remote recording platforms solve multi-track automatically.

How Remote Platforms Work

When you use Riverside, SquadCast, or similar platforms:

  1. Each participant's browser records their audio locally
  2. Local files upload to the platform during or after recording
  3. You download separate files for each participant
  4. Each file contains only that person's voice

No additional setup required. Multi-track is built into how these platforms function.

Riverside

Records each participant at up to 4K video and 48kHz audio locally. Downloads include separate tracks per person.

  • Automatic local recording
  • Separate audio and video files
  • Works in browser, no software install
  • Backup cloud recording if local fails

SquadCast

Prioritizes audio quality and reliability with progressive upload technology.

  • Audio-first design
  • Progressive upload prevents lost recordings
  • Descript integration
  • Separate tracks standard

Zencastr

Offers multi-track recording with a functional free tier.

  • Free tier includes separate tracks
  • Browser-based recording
  • Automatic post-production features (paid)
  • Simpler interface than alternatives

Zoom and Video Calls (Limited Multi-Track)

Zoom offers a "Record separate audio for each participant" option, but with significant limitations:

  • Only available to meeting host
  • Requires specific account and meeting settings
  • Audio is still compressed during the call
  • Quality inferior to dedicated podcast platforms

Verdict: Use Zoom's multi-track for informal recordings where quality isn't critical. For serious podcast production, dedicated platforms are worth it.


Multi-Track for Local Recording

Recording multiple people in the same room requires hardware that captures separate channels.

Understanding Audio Interfaces

An audio interface converts microphone signals to digital audio your computer records. Multi-channel interfaces accept multiple microphones simultaneously.

Key specification: Look for interfaces with multiple mic preamps (inputs). Each preamp = one microphone = one track.

Examples:

  • 2 channels: Focusrite Scarlett 2i2, PreSonus AudioBox
  • 4 channels: Focusrite Scarlett 4i4, MOTU M4
  • 8+ channels: Focusrite Scarlett 18i8, Universal Audio Apollo

Budget consideration: For two hosts, a 2-channel interface ($100-200) handles everything. For panels or multiple guests, you'll need more channels.

Recording Software Configuration

Your DAW (Digital Audio Workstation) must be configured to record separate tracks:

In Audacity:

  1. Edit → Preferences → Devices
  2. Set Recording Channels to match your interface inputs
  3. Each input records to a separate track

In GarageBand:

  1. Create a new track for each microphone
  2. Set each track's input to a different interface channel
  3. Enable record on all tracks before recording

In Adobe Audition:

  1. Create a multitrack session
  2. Add tracks matching your microphone count
  3. Assign each track to a different interface input
  4. Arm tracks for recording

In Reaper:

  1. Create tracks matching your microphones
  2. Set each track's input in the routing
  3. Arm all tracks for recording
  4. Hit record

Microphone Requirements

Each speaker needs their own microphone:

Budget setup (2 hosts):

  • 2x Samson Q2U microphones (~$60 each)
  • 2-channel audio interface (~$150)
  • Total: ~$270

Professional setup (2 hosts):

  • 2x Shure SM7B or similar (~$400 each)
  • 2-channel interface with quality preamps (~$300)
  • Total: ~$1,100

Panel setup (4+ speakers):

  • 4x budget dynamic microphones (~$50 each)
  • 4+ channel interface (~$250-400)
  • Total: ~$450-600

XLR vs USB for Multi-Track

USB microphones cannot easily do multi-track. Most computers struggle with multiple USB audio devices simultaneously, and syncing between them causes problems.

XLR microphones through a multi-channel interface are the reliable solution for local multi-track recording.

Exception: Some USB microphones (like Samson Q2U) have both USB and XLR outputs. Buy them for USB convenience now; use XLR outputs when you upgrade to multi-track.


Editing Multi-Track Recordings

Separate tracks enable editing techniques impossible with single recordings.

Basic Multi-Track Workflow

  1. Import all tracks into your DAW
  2. Sync tracks if recorded separately (remote platforms usually pre-sync)
  3. Balance levels so each speaker is equally audible
  4. Apply processing to individual tracks as needed
  5. Edit content track by track
  6. Mix down to a single final file for publishing

Track-by-Track Processing

With separate tracks, apply different processing to each speaker:

Noise reduction: One speaker's noisy location doesn't affect the other's clean audio.

EQ (equalization): Adjust each voice's frequency balance independently.

Compression: Control dynamics per speaker. A quiet guest can be boosted without affecting the host.

De-essing: Apply to speakers with sibilance issues without dulling others' voices.

Handling Cross-Talk

When one person speaks while another's microphone is active, you hear them on both tracks (cross-talk or bleed).

Strategies:

  • Gate tracks: Silence tracks when that person isn't speaking
  • Manual editing: Cut bleed sections from inactive tracks
  • Noise floor reduction: Reduce levels on inactive tracks
  • Ducking: Automatically lower one track when another is active

Modern AI tools can help identify and reduce cross-talk automatically, but prevention through good microphone technique works better.

Sync Issues

Tracks recorded separately may drift out of sync over time due to sample rate differences.

Prevention:

  • Use platforms that handle sync automatically (Riverside, SquadCast)
  • Record a sync point (clap or specific word) at the start
  • Verify sync periodically throughout editing

Fixing drift:

  • Find a clear reference point
  • Align tracks at that point
  • Check alignment at multiple points through the recording
  • Time-stretch if necessary (most DAWs support this)

Common Setup Configurations

Match your setup to your podcast format.

Two Co-Hosts (Same Location)

Equipment:

  • 2 dynamic microphones (e.g., Samson Q2U, Audio-Technica ATR2100x)
  • 2-channel audio interface (e.g., Focusrite Scarlett 2i2)
  • DAW configured for 2-track recording

Workflow:

  1. Connect both microphones to interface
  2. Set input levels for each speaker
  3. Record both tracks simultaneously
  4. Edit and mix separately

Two Hosts (Remote)

Equipment:

  • Each host uses their own microphone
  • Both connect to remote recording platform

Workflow:

  1. Both hosts join platform session
  2. Platform records each locally
  3. Download separate tracks after
  4. Import and edit in your DAW

Host Plus Remote Guest

Equipment:

  • Host: Any microphone setup
  • Guest: Their own equipment or phone
  • Remote platform for guest recording

Workflow:

  1. Host records locally with backup
  2. Guest connects via remote platform
  3. Platform captures guest track
  4. Combine host local recording with guest platform recording

Panel Discussion (4+ People)

Equipment:

  • 4+ microphones
  • Multi-channel interface (4+ inputs)
  • DAW supporting multitrack recording

Workflow:

  1. Assign each microphone to interface channel
  2. Create corresponding tracks in DAW
  3. Test and set levels for all speakers
  4. Record all tracks simultaneously
  5. Mix down for a complex but controllable edit

Alternative: Multiple remote platform participants if not in same location.


FAQ

Do I need multi-track recording for a solo podcast?

No. Solo podcasts only have one voice, so there's only one track regardless of recording method. Multi-track becomes valuable when recording conversations between multiple people. However, recording with future co-hosts or guests in mind means choosing equipment with multi-track capability even if you don't use it immediately.

Can I multi-track with USB microphones?

Generally no. Most computers can't reliably handle multiple USB audio devices simultaneously without sync issues. Some workarounds exist (USB hubs, special software), but they're unreliable. For multi-track, use XLR microphones through a multi-channel audio interface. Some microphones like the Samson Q2U offer both connections—use USB for solo, switch to XLR for multi-person recording.

How do I sync tracks that were recorded separately?

Find a clear sync point—a clap, specific word, or distinct sound that appears on all tracks. Align this moment precisely in your DAW. Check alignment at multiple points throughout the recording, as drift can accumulate. Remote platforms like Riverside and SquadCast typically handle sync automatically through their software.

What's the minimum equipment for local multi-track recording?

Two microphones, a 2-channel audio interface, and recording software. Budget-friendly setup: 2x Samson Q2U ($60 each), Focusrite Scarlett 2i2 ($170), free DAW like Audacity. Total around $290. This produces professional results for two-person podcasts.

Is remote multi-track recording as good as local?

For audio quality, local recording with quality equipment in a treated room produces the best results. However, remote platforms like Riverside record locally on each participant's device before uploading, capturing near-professional quality. The convenience of remote recording with automatic multi-track usually outweighs slight quality differences. Many professional podcasts use remote platforms exclusively.



Ready to Elevate Your Production?

Multi-track recording transforms your editing possibilities, but the real value is what you do with your finished episodes. Quality production deserves to be discoverable.

When your conversations are transcribed and searchable, every well-produced episode becomes a resource you can reference, quote, and share—not just audio that plays once and disappears.

Try PodRewind free and make your multi-track productions searchable forever.

recording
multitrack
editing
production

Ready to Get Started?

Search your podcast transcripts, chat with your archive, and turn episodes into content. Start for free today.

Try PodRewind free