BPM
key detection
analyze_track
How to Find a Song's BPM and Key
How tempo and key detection work, where they go wrong (double time, the wrong key), and what edytlab's analyze_track returns, with a run on synthetic audio.
11 min readRead more
The edytlab blog
Practical guides to editing audio by describing what you want: workflows you can copy sentence by sentence, how the session graph keeps every take, and how to choose the language model that drives it.
noise reduction
spectral subtraction
musical noise
Remove Background Noise From Audio: How It Works
Spectral noise reduction needs a noise-only stretch and can leave musical noise. How edytlab's noise_reduction works, its limits, and a click fixed in v0.9.0.
10 min readRead more
true peak
dBTP
headroom
True Peak vs Sample Peak: What -1 dBTP Means
A sample peak is the largest stored value; a true peak is the waveform's largest value between samples. Why -1 dBTP, and what edytlab's ceiling does not do.
8 min readRead more
crossfade
DJ transition
equal power
Crossfade Two Songs: Equal Power vs Linear
Equal-power against linear crossfades with measured levels, matching tempo and beats first, and making each curve with edytlab's fade and set_clip_envelope.
8 min readRead more
Ollama
local AI
privacy
Edit Audio With a Local Model Using Ollama
Run edytlab's assistant on Ollama with no account or API key. What stays on your computer, what a local model is sent, and the context and tool-calling limits.
8 min readRead more
LUFS
loudness
podcast loudness
LUFS for Spotify, YouTube, Apple Music, Podcasts
Spotify adjusts to -14 LUFS, Apple Podcasts recommends about -16, EBU R 128 is -23. None found for YouTube or Apple Music. Sources, and how to hit one.
10 min readRead more
batch normalize
loudnorm
LUFS
Batch Normalize Audio Files to a LUFS Target
Bring a folder of audio to one LUFS target three ways: ffmpeg loudnorm, an Audacity macro, and an edytlab recipe with batch_apply. Steps and caveats.
9 min readRead more
remove silence
truncate silence
split audio
Remove Silence From Audio Without Chopping Breaths
Set a threshold, a minimum duration and a short pause to keep. How truncate, cut and split differ, in Audacity, ffmpeg silenceremove and edytlab.
8 min readRead more
time stretch
pitch shift
phase vocoder
Change Tempo Without Changing Pitch: How It Works
A speed change moves pitch with tempo; a phase vocoder keeps it. How time-stretching works, its artifacts, and edytlab's time_stretch and pitch_shift.
9 min readRead more
DJ transition
beatmatching
time stretch
Beatmatch and Blend Two Tracks by Asking
Match tempos, overlap two tracks, fade and filter the outgoing one, then master and export a WAV: the DJ transition from the demo, as prompts you can type.
6 min readRead more
extended intro
DJ edit
loop
Make a Mixable Extended Intro
Turn a track's drums-only opening into a longer, DJ-friendly intro: copy the bars, paste them back, high-pass, fade in and export. A prompt for every step.
5 min readRead more
LLM providers
Ollama
bring your own key
Which LLM Should Drive Your Audio Editor?
Six API providers, one local, plus your ChatGPT plan. How to weigh Anthropic, OpenRouter, OpenAI, Groq, Gemini and Ollama, and how to switch in Settings.
5 min readRead more
undo
session graph
A/B compare
Undo Is a Graph: Branches, A/B Compare and Never Losing a Take
Every edit in edytlab is a node in a graph. How undo, branches and A/B compare work, and how history stays under 2 GiB without losing the takes you want.
5 min readRead more
open source audio editor
bring your own API key
Anthropic
Open-source AI audio editor: bring your own LLM key
An AI tool that hardcodes one model decides for you. What bring-your-own-key means in practice: where the key lives, what you can switch, and what it costs.
5 min readRead more
conversational DAW
AI mixing
LLM audio
From Prompt to Mix: How Conversational Audio Editing Works
What happens between a sentence you type and a changed waveform: tools, session context, the session graph, and how to write prompts that work.
6 min readRead more
podcast editor
AI podcast
transcription
AI Podcast Production: Record, Edit, Mix and Export in One Session
A podcast edit is a list of repeatable steps. Here is the list, and which steps edytlab can run from a sentence, transcription included.
8 min readRead more
stem separation
Demucs
vocal isolation
Stem Separation Explained: How AI Isolates Vocals and Instruments
How Demucs splits a mix into vocals, drums, bass and other, what each stem is good for, and how edytlab runs it on your computer (from v0.9.4).
6 min readRead more
local-first
AI audio editor
privacy
AI Audio Editing in 2026: What Local-First Changes
A cloud-based AI audio tool sends your files to someone else's servers. Here is what local-first audio editing changes, and where an LLM still comes in.
7 min readRead more