ARTA
Ivo Mateljan
ARTA is an audio-measurement suite covering impulse response, spectral analysis and related loudspeaker tests.
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Free spectrum analyzers, meters, comparison tools and measurement applications. Production displays and calibrated measurements serve different purposes. Read the product's setup requirements and do not interpret an uncalibrated phone or audio-interface reading as a compliance result. Official documentation and supported workflows are linked from each listing.
These are researched directory entries, not hands-on reviews. Optional purchases, account requirements and limited editions are identified on product pages. Format availability can differ by operating system.
Ivo Mateljan
ARTA is an audio-measurement suite covering impulse response, spectral analysis and related loudspeaker tests.
View details →aubio Contributors
aubio supplies audio-analysis tools for tasks such as detecting onsets, estimating pitch and following musical timing.
View details →Woheller69
This open-source Android analyzer displays audio frequency information from the device's input.
View details →Blue Cat Audio
FreqAnalyst displays the frequency content of an incoming audio signal.
View details →Calf Studio Gear
Calf Studio Gear is a Linux collection of instruments and effects for use in compatible audio hosts.
View details →ConjureDSP
ConjureAlign compares a recording with a sidechain reference to estimate time offset and polarity.
View details →DeltaWave
DeltaWave compares audio recordings with alignment and difference-analysis tools.
View details →TBProAudio
dpMeter provides digital audio metering for level and loudness-related tasks.
View details →Bertom Audio
EQ Curve Analyzer measures the frequency response of an audio path or processor.
View details →FMIT Contributors
FMIT is an instrument-tuning and frequency-inspection application.
View details →foobar2000
foobar2000 is an audio player with a configurable desktop workflow and separate mobile editions.
View details →Friture Project
Friture analyzes live audio input with displays such as spectrum and time-domain views.
View details →Godlike Sounds
GODLIKE STEREO divides width control into bass, mid and treble regions.
View details →HOFA
BlindTest supports listening comparisons while reducing the influence of knowing which source is playing.
View details →HOFA
HOFA's free 4U utility combines metering, level control and mid/side-oriented panning facilities.
View details →HOFA
ProjectTime tracks time spent working on a production project.
View details →IEM / University of Music and Performing Arts Graz
The IEM Plug-in Suite supplies Ambisonic and spatial-audio tools for encoding, decoding and processing sound fields.
View details →TBProAudio
ISOL8 divides a signal into frequency regions for monitoring and inspection.
View details →LSP Project
Linux Studio Plugins is a broad open-source processing suite for Linux production.
View details →MeldaProduction
MFreeFXBundle collects effects and utilities covering tonal shaping, dynamics, modulation and analysis.
View details →TBProAudio
mvMeter2 offers an analog-style metering display with selectable measurement behavior.
View details →DamRsn
NeuralNote converts recorded audio into MIDI note information using a transcription model.
View details →ocenaudio Team
ocenaudio is a waveform editor for recording, editing and inspecting audio files.
View details →Open Sound Meter
Open Sound Meter provides audio-system measurement and analysis tools.
View details →Availability, licensing and system requirements can change. Verification refers to official documentation and download availability, not installation or hands-on testing. Check the developer's current terms before installing.