Your remote guest just finished recording their side of the interview. The WAV file is 1.2GB. They try to email it and it bounces. They upload it to a free transfer service and it gets compressed to 128kbps MP3. By the time you receive it, the audio quality is destroyed and there is nothing you can do to fix it in post. Here is how to set up a file sharing workflow that keeps your raw audio intact.
Why Audio Quality Degrades During File Sharing
Most file sharing methods were not designed with uncompressed audio in mind. Email has attachment size limits that top out around 25MB. Messaging apps compress audio files automatically. Even some cloud storage services transcode uploads to save space on their end.
For podcasters, this is a real problem. The difference between a WAV file recorded at 24-bit 48kHz and a compressed MP3 is audible in the final mix. Background noise removal, EQ adjustments and dynamic processing all work better when you start with a lossless source. Once compression artifacts are baked in, no amount of editing can undo them.
Step 1: Set Up Your Recording Standards
Before you record a single episode, tell your guests exactly what format you need. A clear set of instructions prevents most quality problems before they happen. Here is what to send them:
- Format - WAV or FLAC (not MP3, not AAC, not OGG)
- Sample rate - 48kHz minimum
- Bit depth - 24-bit preferred, 16-bit acceptable
- Recording software - Audacity, GarageBand, Reaper or any DAW that exports lossless
- File naming - Episode number, guest name and date (e.g., "EP42_jane_smith_2026-04-03.wav")
Most guests are not audio engineers. Keep the instructions short and specific. If they record in GarageBand, tell them to export as WAV through the Share menu. If they use Audacity, tell them to export as WAV 24-bit. Do not assume they will figure it out.
Step 2: Have the Guest Upload to EasySend
Here is where most workflows break down. The guest has a large WAV file sitting on their computer and no obvious way to send it to you. Telling them "just upload it to Google Drive and share the link" introduces friction. They might not have storage space. They might not know how to generate a share link. They might accidentally set the permissions wrong.
Instead, point them to EasySend. The guest drags their WAV file onto the page, waits for the upload to finish and copies the link. No account creation. No storage limits to worry about. No permissions to configure. They paste the link into your email or messaging thread and the handoff is complete.
For WAV file sharing, EasySend transfers the file byte for byte. There is no transcoding, no re-encoding and no quality loss. The file you download is identical to the file the guest uploaded.
If your guest records in FLAC instead of WAV, the FLAC sharing option works the same way. FLAC is lossless compression, which means the audio quality is identical to WAV but the file size is roughly 40 to 60 percent smaller. Some podcasters prefer FLAC for this reason.
Step 3: Download and Verify the Audio
When you receive the link, click it and download the file. Before you start editing, verify the format and quality. Open the file in your DAW and check the sample rate and bit depth. If the guest accidentally exported at 44.1kHz instead of 48kHz, it is better to catch that before you spend three hours editing than after.
A quick verification checklist:
- File format is WAV or FLAC (not a compressed format disguised with a WAV extension)
- Sample rate matches your project settings
- Bit depth is 24-bit or 16-bit as agreed
- The recording length matches the expected duration
- No clipping, distortion or obvious recording issues
Step 4: Share Episode Drafts for Review
After you edit the episode, you often need to send a draft back to the guest for approval. The edited file might be a WAV master, a high-quality MP3 or a FLAC export. Upload the draft and send the guest a link. They listen in-browser through the audio preview player or download the file for a closer listen in their own headphones.
Why Lossless Matters for Post-Production
If you are new to podcasting, you might wonder why this matters. After all, the final published episode will be an MP3 or AAC file. The reason is headroom. Every processing step in post-production - noise reduction, compression, EQ, de-essing, loudness normalization - introduces tiny changes to the audio. When you start with a lossless source, those changes are imperceptible. When you start with a compressed source, the artifacts stack up and the final product sounds noticeably worse.
Professional podcasters and podcast production teams treat raw audio quality as non-negotiable for exactly this reason.
The Short Version
Record in WAV or FLAC at 48kHz 24-bit. Have guests upload their raw files to EasySend and send you the link. Download, verify the quality and edit. Share drafts back with a preview link for approval. The audio stays lossless from recording to your DAW and the entire handoff takes under a minute. That is a podcast file sharing workflow that actually works.