01
Start structured
Choose a format so the script, speaker plan, and export target begin in the right shape.
Podcast2 speakers
AudiobookChapters
TrainingLessons
DialogueCast
Export target · Episode mix
MurmurProjects
Produce the entire script in one local workspace.
Podcasts, audiobooks, lessons, ads, and dialogue — write the script, assign the cast, render takes on your Mac, and export the finished mix without losing the thread.
Renders on your MacMulti-speaker castsOne-time purchase
Every production decision, on one surface.
Long-form audio usually scatters across files and folders. A Murmur project keeps the script, the cast, the direction, the renders, and the export attached to one another.
The take that made the cut, straight from a project.
Each scene below was rendered inside Murmur from a project script — speaker, direction tags, and all.
Studio Notes · Episode 12Cold open
HostWarm NarratorSo here is the thing about building a startup.[short pause]
HostWarm NarratorEveryone tells you to move fast and break things.[chuckling]
HostWarm NarratorBut nobody warns you about the three AM panic attacks…[sigh]
0:00 / 0:00
Pick a format. Get a workspace, not a folder.
Each format starts the script, the speaker plan, and the export target in the right shape — so the pieces that usually drift apart stay close enough to revise.
Host
Guest
Move from script to export without losing context.
Four passes, one workspace. Nothing gets copied between tools, and nothing loses its place.
02
Assign the cast
Saved, cloned, or designed voices drop onto speakers without rebuilding the setup.
Host
Guest
Narrator
Tap a voice to swap it — saved, designed, or community.
03
Generate in passes
Render clips on your Mac, review timing, then regenerate only the lines that need work.
Only the lines that need work get re-rendered.
04
Export cleanly
The final mix stays tied to the project that produced it, ready for the next revision.
episode-12-master.wavWAV · 48 kHz · timeline mix
Timeline renderedDone
Levels checkedDone
Staged next to projectDone
The export stays tied to the project that produced it.
The project remembers the choices behind the audio.
Reopen a project next week and the reasoning is still there — not buried in a file name.
Speakers
Who is talking, which voice they use, and where they appear in the script.
Warm NarratorTech HostCourse Guide
Script notes
Pronunciation and expression tags stay pinned to the line they belong to.
Welcome back. [chuckle] Today's guest…
pronunciation: “Nguyen”Render state
Ready, needs voice, and pending states stay scannable at a glance.
ReadyNeeds voicePending
Frequently asked questions
Does project rendering run locally?
Yes. After setup, generation happens on your Apple Silicon Mac inside Murmur — scripts, voices, and rendered clips stay in your local project.
How many speakers can one project hold?
A project can carry a full cast. Each block gets its own speaker, and a speaker can use any saved, cloned, or designed voice from your library.
Can I regenerate a single line?
Yes. Projects render in passes, so you can regenerate only the blocks that need work instead of re-rendering the whole script.
What does a project export?
Export the finished timeline mix or individual clips. Exports stay tied to the project, so the next revision starts where the last one ended.
Bring the whole script into one local workspace.
Write it, cast it, render it, and ship it without leaving Murmur.