Practical audio guides
Follow a task from its first setting to the downloaded result. Learn which tool to choose, how to check the sound and where each workflow has limits.
Pitch, key and tempo
Choose a comfortable key or a useful practice tempo, and understand which controls change which part of the sound.
Change a backing track’s key for your voice
Choose a more comfortable singing key, calculate a semitone shift and transpose a recording. Follow the actual pitch-slider workflow and check key estimates.
GUIDEHow to change the key of a song recording
Learn to count a transposition interval, keep tempo steady and export a changed-key recording. Includes calculated examples and limits of audio transposition.
GUIDEChange audio speed without the linked pitch change
Change audio speed from 50% to 150% with independent pitch control. Calculate a target BPM, preview the change and generate a WAV or MP3.
GUIDEChanging pitch versus changing speed
Understand independent pitch shifting, time stretching and linked playback-rate changes. Compare calculated examples and choose the appropriate tool.
Formats and finished files
Prepare a file for the next editor or destination without mistaking a format change for restored source quality.
Audio formats explained for editing and sharing
Compare audio codecs and containers, lossy and lossless outputs, bitrate, sample rate and bit depth. See the formats actually offered by PitchChanger.
GUIDELossless versus lossy audio
Understand lossless compression, lossy re-encoding and why converting MP3 to WAV cannot restore the original. Includes calculated file-size examples.
GUIDEHow to convert audio to MP3
Convert a local audio file to MP3 with 128, 192, 256 or 320 kbps settings. Follow the browser workflow and understand size, quality and re-encoding limits.
GUIDEHow to convert audio to WAV
Convert a local file to 16- or 24-bit PCM WAV with selectable sample rate. Prepare an editing intermediate without promising restoration of lossy audio.
Effects and recording
Set up a microphone take or create a linked pitch, rate and reverb effect.
How to make a slowed and reverb version
Choose a playback rate, balance reverb and preserve the tail when making slowed audio. Follow editable presets and compare the exported result.
GUIDEHow to record and save microphone audio online
Prepare microphone permissions, make a test take, pause and resume a browser recording, then save WAV or MP3 before leaving the page.
Separation for practice
Make an estimated instrumental, isolate drums or build a drumless mix, then check what the model kept and removed.
How to make an instrumental with vocal separation
Separate vocals and accompaniment, compare the outputs and check for vocal bleed or missing instruments. A practical guide with model and device limits.
GUIDEExtract the drum part from a song
Use the browser stem splitter to estimate a drum track, solo it and download WAV. Check cymbal bleed, missing percussion and device requirements.
GUIDEMake a drumless track for practice
Separate a recording, combine the non-drum stems and download the Drumless WAV mix. Learn to check residual drums and preserve useful timing cues.