tonal.fm
PRO

Get all tools offline & ad-free in a single file — no install needed.Just $9, one-time.

Get tonal.fm Pro →

Amplificador de volume

Nota de voz baixa, gravação de aula ou toque que some no bolso? Aumente até +18 dB — um limitador embutido impede que os picos estourem, então mais alto nunca significa distorcido. Ouça ao vivo, baixe MP3 ou WAV.

Arraste um arquivo de áudio aqui ou clique para escolher

MP3, WAV, AAC/M4A, OGG — decodificado localmente, nunca enviado

Mais alto, não pior

O volume tem dois inimigos: o clipping (amplificar além do máximo digital, que soa como estalos) e o excesso de limitação (esmagar todos os picos, que soa sem vida). A cadeia aqui amplifica limpo e limita só o que estouraria — o meio-termo honesto. Se a meta é bater um alvo de loudness de transmissão ou streaming em vez de volume bruto, use o normalizador de volume, que trabalha em LUFS; meça antes o que você tem com o analisador de áudio.

As ferramentas companheiras: Volume Normalizer · Audio Analyzer · Ringtone Maker · MP3 Cutter

Perguntas frequentes

Como deixo um arquivo de áudio mais alto?

Carregue o arquivo, suba o controle de ganho até a prévia soar certa e baixe. O ganho sobe tudo por igual, e o limitador embutido pega só os picos que estourariam — assim um aumento de +10 dB numa nota de voz baixa sai limpo em vez de estalando.

Por que não amplificar sem limitador?

O áudio digital tem um teto rígido em 0 dBFS. Amplifique além e os picos da onda são cortados retos — audível como uma distorção áspera. O limitador daqui comprime só os picos mais altos para logo abaixo do teto, deixando o resto intocado: é assim que se consegue "mais alto sem distorção".

Quanto ganho é seguro?

Depende inteiramente da folga do arquivo. Uma gravação baixa com picos em −20 dB aceita +15 dB limpo; um master já alto com picos perto de 0 dB não tem nada a dar, e amplificá-lo só espreme mais o limitador, que acaba soando esmagado. Quer números antes de empurrar? Confira o pico real e o loudness com o analisador de áudio.

Minha música vai ficar mais alta que nos streamings?

Para arquivos no seu próprio aparelho, sim — você controla o nível. Note que as plataformas normalizam o loudness do lado delas (tipicamente para −14 LUFS), então um arquivo amplificado enviado para lá é abaixado de volta. Amplificar serve para reprodução local: notas de voz, aulas gravadas, toques baixos, trilhas de vídeo.

Meu arquivo é enviado?

Não — decodificação, ganho, limitação, prévia e exportação rodam localmente no navegador com a Web Audio API. A página funciona offline depois de carregada.

Try Our Other Audio Tools

Online Tone Generator

Generate single tones with precise frequency control. Perfect for quick audio testing and tuning.

Try it now→

Multiple Tone Generator

Play multiple frequencies simultaneously with independent volume and panning controls.

Try it now→

Frequency Sweep Generator

Create linear or exponential frequency sweeps for speaker testing and room acoustics analysis.

Try it now→

Binaural Beats Generator

Generate binaural beats for meditation, focus, and relaxation. Requires headphones for proper effect.

Try it now→

DTMF Tone Generator

Generate telephone dial pad tones (Dual Tone Multi Frequency). Interactive touch-tone dial pad.

Try it now→

Online Metronome

Professional metronome with tap tempo, time signatures, subdivisions, and tempo trainer for musicians.

Try it now→

BPM Counter

Tap along to any song to find its tempo in beats per minute. Includes tempo markings reference.

Try it now→

Chord Player

Hear major, minor, diminished, and seventh chords in every key. Block chords or arpeggios.

Try it now→

Chord Progression Player

Hear classic progressions like I-V-vi-IV and 12-bar blues in any key at any tempo.

Try it now→

Online Piano

Free browser piano with 3 octaves, note names, and computer keyboard support.

Try it now→

Noise Generator

Generate white, pink, and brown noise for sleep, focus, tinnitus relief, and speaker burn-in.

Try it now→

Instrument Tuner

Reference tuning notes for guitar, bass, ukulele, violin, cello, and more at concert pitch (A440).

Try it now→

Subwoofer Test

Test your subwoofer with a 60-second frequency sweep (150Hz-1Hz) and individual bass test tones.

Try it now→

Hearing Test

Test your hearing range from 8kHz to 20kHz. Find your hearing age and compare with averages.

Try it now→

Solfeggio Frequencies

Ancient healing tones including 528Hz (DNA repair). For meditation, chakra activation, and spiritual healing.

Try it now→

Speaker Balance Test

Test stereo balance with panning control and left/right channel testing. Perfect for speaker setup.

Try it now→

Speaker Phase Test

Check speaker wiring polarity by comparing in-phase and out-of-phase test signals.

Try it now→

Audio Latency Test

Measure your Bluetooth or system audio delay in milliseconds with a click-and-flash sync test.

Try it now→

Spectrum Analyzer

Real-time frequency analysis of your microphone input with a live log-frequency display.

Try it now→

Decibel Meter

Measure approximate sound levels with your microphone - live dB with min/avg/max tracking.

Try it now→

Mic Test

Check your microphone in seconds: live waveform, level meter, and record-and-playback check.

Try it now→

Interval Ear Trainer

Learn to recognize musical intervals by ear with quiz mode, score tracking, and song mnemonics.

Try it now→

Pitch Pipe

Chromatic pitch pipe with all 12 notes across 3 octaves. Perfect for singers, choirs, and a cappella groups.

Try it now→

Shepard Tone

Experience the auditory illusion of an infinitely ascending or descending tone. Mind-bending psychoacoustic phenomenon.

Try it now→

Mosquito Tone

Can you hear the mosquito tone? High-frequency test (15-20kHz) that only young people can hear. Find your hearing age!

Try it now→

Soundscape Builder

Create relaxing ambient soundscapes with singing bowls, nature sounds, and binaural beats.

Try it now→

Fix My Speaker

Three sound modes to clean a muffled speaker: 165 Hz water eject, dust-shaking sweeps, and vibration.

Try it now→

Water Eject Sound

Push water out of a wet phone or watch speaker with a pulsed 165 Hz tone - the same method Apple Watch uses.

Try it now→

Dog Whistle

Adjustable high-frequency whistle (8-22 kHz) for dog training - clearly audible to dogs, silent to most adults.

Try it now→

Isochronic Tones

Rhythmic pulsed tones across delta to gamma ranges. Stronger than binaural beats and works without headphones.

Try it now→

Perfect Pitch Test

Name 12 random notes with no reference tone and find out if you have absolute pitch or great pitch memory.

Try it now→

Vocal Range Test

Sing your lowest and highest notes and get your range plus voice type - bass to soprano. Mic-based, nothing uploaded.

Try it now→

Hearing Age Test

Find the highest frequency you can hear (8-20 kHz) and see how old your ears test. Takes one minute.

Try it now→

Vocal Remover

Instant karaoke via center-channel cancellation - free, unlimited, and processed locally.

Try it now→

Voice Recorder

Record from your microphone and download as WAV - no signup, nothing uploaded.

Try it now→

Volume Normalizer

Normalize any file to a LUFS target with true-peak protection instead of silent clipping.

Try it now→

Drum Machine

16-step beat maker with synthesized 808-style drums, swing, and shareable pattern links.

Try it now→

Audio Analyzer / LUFS Meter

Drop a file and get integrated LUFS, true peak, RMS, and a waveform - measured locally, nothing uploaded.

Try it now→

Chromatic Tuner

Microphone tuner with a cents needle - play any note on any instrument and tune to ±5 cents.

Try it now→

Headphone Test

Five-minute headphone checkup: channels, wiring polarity, bass and treble reach, and driver distortion.

Try it now→

Surround Sound Test

Send noise to each 5.1 channel - fronts, center, surrounds, and subwoofer - and catch swapped or dead speakers.

Try it now→