High Resolution Audio Sharing: Send 24-Bit Files Intact

Sharing high resolution audio means moving files at 24-bit and 48 kHz or higher, usually WAV, AIFF, BWF or FLAC, from your studio to someone else with every sample unchanged. Three things decide whether that works: exporting once in the right format, using a delivery method with no hidden transcoding, and giving the recipient a way to confirm the file arrived whole. This guide covers all three, plus how to get feedback on the files once they are shared.

TL;DR

• Share lossless formats only: WAV, AIFF, BWF or FLAC. Never let a mix or master pass through MP3 or another lossy step on the way to a client.
• Pick the session sample rate before you start and convert offline, once, if you must convert at all.
• A 24-bit/96 kHz stereo file runs roughly 35 MB per minute, so email is out. Use a link-based delivery tool built for large audio.
• Verify delivery with FLAC’s built-in checksums or a hash, and keep review streams separate from final downloads.
• Audome handles uploads up to 96 kHz/24-bit, timestamped feedback and paid final downloads in one place.

Table of Contents

• What “high resolution” means for files you actually share
• Pick the right format before you export
• Avoid the quiet ways quality gets lost
• How big are the files, and what that means for transfer
• Choose a sharing method: three types compared
• Prove the file arrived intact
• Review and delivery are different jobs
• Our perspective
• Share high resolution audio with Audome
• A simple workflow you can copy
• FAQ
• Sources

What “high resolution” means for files you actually share

For consumers, high resolution is a streaming tier. For you, it is a property of the files you hand over. The Audio Engineering Society describes it as digital formats whose sampling rates and bit depths exceed the CD standard of 44.1 kHz and 16 bits. It also makes a point worth remembering: those numbers are delivery modes, and the whole chain from recording to playback shapes what anyone hears.

The Recording Academy Producers & Engineers Wing guidance puts the working line at 48 kHz/24-bit or greater. It recommends delivery rates of 48, 88.2, 96, 176.4, 192, 352.8 and 384 kHz, each at 24-bit or deeper.

The Library of Congress names sampling frequency and word length (bit depth) as the two main fidelity characteristics of linear PCM audio. The same page says uncompressed or losslessly compressed data generally gives the highest fidelity, while lossy compression can permanently remove information.

For sharing, that means one thing: the format and settings you export are the ceiling for everything downstream. Nobody can restore what a lossy step discarded.

Pick the right format before you export

The Library of Congress guide to audio formats describes WAV as uncompressed and lossless. It calls BWF a WAV variant built for broadcast and editing, carrying metadata and timecode. It also notes that MP3 is lossy and generally not favored by audio professionals.

The Audacity manual confirms WAV and AIFF exports do not lose quality, and says FLAC reliably shrinks files by about 40% compared with WAV or AIFF. That is a real saving on big sessions. The catch is compatibility: if your client’s tools do not open FLAC, send WAV and save yourself the support email. Our longer rundown of audio file formats and when to use each goes deeper.

Keep the bit depth that the job needs

Record and mix at 24-bit. Deliver 24-bit to mastering. If a distributor or client specifically asks for 16-bit, convert once, at the very end, and dither once. We cover when each depth matters in our post on 24-bit versus 16-bit delivery.

Avoid the quiet ways quality gets lost

Most quality loss in sharing is not caused by the transfer. It happens at export or conversion. Check these before you click send.

1. Decide the sample rate up front. Ableton’s manual calls sample-rate conversion a non-neutral operation. It advises settling on the project rate before work begins and converting mismatched material offline, not mixing rates in one set.
2. Export from the original, not from a previous export. Every re-render from a file that was already converted stacks processing on processing.
3. Deliver in the format it was recorded in. The P+E guidance says to deliver final masters in their originally recorded formats and to consolidate tracks in BWF. It also says digital BWF files should not be modified when you create backups.
4. Send consolidated stems, not a bloated session. Soundfly’s collaboration guide suggests a rough mix, stems or consolidated zero-start files when collaborators use different DAWs. Common start points mean fewer import errors, and unused audio stays out of the transfer.
5. Turn off anything automatic. Some tools transcode uploads to make a preview. That is fine for a review stream. It is not fine if it replaces the file the client downloads.

Our walkthrough on sharing WAV files online without losing quality shows the export settings step by step.

How big are the files, and what that means for transfer

The math is simple: sample rate times bytes per sample times channels. At 96 kHz and 24-bit (3 bytes), one mono channel is 288,000 bytes per second, about 17 MB per minute. Sweetwater’s disk space guide lists roughly 16.4 MB per minute for one mono track at that setting. A stereo file doubles it, so about 35 MB per minute.

These are calculated from the formula above, so treat them as close estimates. Real files vary with length and any metadata.

Now compare that with email. The Audacity manual says email is generally unsuitable for files over 5 MB, and cites Gmail’s 25 MB outgoing and 50 MB incoming attachment limits. A single stereo master at 96 kHz blows past that before the first chorus ends. Its advice for anything larger is a web-based transfer service.

What actually controls transfer time

• Your upload speed, not your download speed. Many home connections upload far slower than they download.
• Whether the tool resumes interrupted uploads. A 3 GB stem pack that fails at 95% is a lost afternoon without resume support.
• How many files you send. One zipped folder is easier to verify than 40 loose files, but zipping a folder of already-lossless audio saves little space.
• Time of day and shared studio bandwidth, if several people upload at once.

If you want a comparison of storage types for audio work, see our roundup of cloud storage options for audio professionals.

Choose a sharing method: three types compared

You do not need a long list of brand names. Delivery tools fall into three types, and each fits a different job.

For a one-time handoff of a finished stem pack to a trusted peer, a transfer service is fine. If you run revision rounds with paying clients, the work is mostly communication, and that is where generic tools fall down. Our guides to the best way to share audio files with music clients and how freelance engineers deliver files lay out the workflows.

What to check before you trust a service with client work

The P+E guidance recommends a cloud service that is mature, comprehensive and built for longevity, with security, reliability and accessibility. It also recommends password-protecting uploaded files and using secure cloud or SFTP delivery. Turn that into a checklist:

1. Does it store and serve the original file, unaltered, for download?
2. Can you password-protect a project or link?
3. Can you control who downloads, and when?
4. Does it keep version history so “which mix was that?” has an answer?
5. Will the file still be there in a year, and do you keep ownership of it?

Prove the file arrived intact

A download that finishes is not the same as a download that is correct. Two habits catch problems early.

Use FLAC when integrity matters. The Library of Congress notes that FLAC includes an MD5 signature of the original audio data and CRC checksums for audio frames. A recipient’s player or the FLAC tool can test the file against them. The Library’s current FLAC profile lists support for rates from 1 to 1,048,575 Hz and 4- to 32-bit samples, so 96 kHz/24-bit sits well within range.

Check the basics on WAV. WAV has no built-in audio checksum, so send a hash of the file (SHA-256 is common) when a delivery is critical, such as a label master. Ask the recipient to open the file and confirm in their DAW that it reads 24-bit and the expected sample rate. It takes a minute and settles most “it sounds different” disputes.

Review and delivery are different jobs

The most common mistake in high resolution sharing is using one file for everything. Split the work in two:

• Review: the client listens, comments and approves. A streaming preview is fine here, as long as you label it a reference.
• Delivery: the client receives the original lossless file, in the agreed format, once the work is approved.

This split also protects you commercially. Clients who can download a final master during review have little reason to pay for it. Our guides on sending mixes to clients and delivering label-ready final masters show how to sequence it. Our piece on high resolution audio streaming for professionals covers the review side in more depth.

Our perspective

We built Audome because we kept seeing the same pattern: an engineer exports a great 24-bit master, then loses control of it. Files go out through a storage link, feedback comes back in a text thread, and the client’s “small tweak” arrives as the fifth revision in a week.

We think high resolution sharing is two problems wearing one name. The technical problem is solved by sound habits: lossless formats, one sample rate, one export, a checksum. The business problem is harder. Who has the latest version? Which note applies to which moment in the song? Has the client paid for the master they are about to download?

That is why Audome treats the waveform as the place where feedback happens, and the client portal as the place where delivery happens. Clients comment on exact moments without creating an account. Studios can set a number of included revisions, charge for extras and keep final downloads locked until payment clears, through Stripe Connect. None of that changes your audio. It just stops the process around it from leaking time and money.

— Kreg

Share high resolution audio with Audome

Audome accepts unlimited uploads up to 96 kHz/24-bit, with unlimited projects and collaborators, password-protected project pages and download controls. Clients listen and leave timestamped comments on the waveform without logging in, and you keep every version in one history. If you work with clients who need to send you material, the file request portal setup covers the reverse direction.

Plans on the pricing page start with Studio at $12.50 per month or $150 per year, and Pro is $48 per month or $576 per year. You can try it first with a free trial at audome.com.

A simple workflow you can copy

1. Set the project rate and bit depth at the start (for example 48 or 96 kHz, 24-bit) and write it in the project notes.
2. Bounce stems and mixes from the original session, consolidated and starting at zero.
3. Name files consistently: project, version, date, format.
4. Upload to a link-based tool that stores the original and offers a separate review stream.
5. Collect comments in one place, tied to timestamps.
6. On approval, export the final in the agreed format, once, and hash it if the delivery is critical.
7. Release the download after payment or sign-off, and keep the original in your own backup.

FAQ

Is 96 kHz/24-bit worth sharing, or is 48 kHz enough?

It depends on the job. The P+E guidance counts 48 kHz/24-bit as high resolution already, and plenty of music and nearly all video work lives there. Choose 96 kHz when the client asks for it or when heavy processing and pitch work benefit from the headroom. Whatever you choose, keep one rate for the whole project.

Can I send high resolution audio by email?

Only very short clips. Gmail’s attachment limit is 25 MB outgoing, and one minute of 24-bit/96 kHz stereo is about 35 MB. Use a link-based delivery tool for anything larger.

Does zipping a WAV file reduce quality?

No. Zipping is lossless, so the audio comes out identical. It usually saves little space on audio and adds a step for the client, so it is mainly useful for bundling many files into one download.

Should I send FLAC or WAV to clients?

Send WAV unless you know the client’s tools open FLAC. FLAC is lossless and about 40% smaller, and it carries checksums, but WAV opens everywhere. For broadcast or post work, ask whether they need BWF for its timecode and metadata.

Sources

• High-Resolution Audio, Audio Engineering Society
• Quality and Functionality Factors for Sound (Audio), Library of Congress
• Guide to audio formats, Library of Congress
• FLAC, Version 1.1.2, Library of Congress
• FLAC Family, Library of Congress
• Sending your work to others, Audacity Manual
• P+E Guidebook, Recording Academy Producers & Engineers Wing
• Audio Fact Sheet, Ableton Reference Manual
• A Guide to Best Practices for Seamless Audio Collaboration, Soundfly
• Calculating hard disk space required for digital audio recording, Sweetwater

Recommended

• Best Way to Share Audio Files with Music Clients
• File and Music Sharing for Audio Pros: 2026 Guide
• Essential Audio File Formats: Which to Use and Why
• How to Send Large Audio Files Without Losing Quality