Name: Compress to AU
Brand: XConvert

Compress

AUDIO_EXTENSIONS_GROUP_AU

Audio Codec

ADPCM_SWF

AMR Narrow Band

AMR Wide Band

DTS (DCA)

EAC3

FLAC

Opus

PCM A-law

PCM mu-law

PCM 16-bit Big Endian

PCM 16-bit Little Endian

PCM 24-bit Little Endian

PCM 32-bit Little Endian

RealAudio 1.0

Speex

True Audio (TTA)

Vorbis

WavPack

WMA v1

WMA v2

File Compression

`<div class="d-flex align-items-center">    <i class="bi bi-exclamation-triangle-fill fs-4 me-3 text-warning"></i>    <div>        <strong>Potential Quality Loss:</strong>         Targeting a <b>File Size (%)</b> while changing formats (e.g., MP3 to FLAC) can cause extreme pixelation.         <hr class="my-2">        <p class="mb-0 small">            <strong>Pro Tip:</strong> To avoid this, use <b>"Specific file size"</b> or switch to the <a href="/audio-compressor" class="alert-link">Audio Compressor</a> with output set to <b>"Same as source".</b>        </p>    </div></div>`

`<div class="d-flex align-items-center">    <i class="bi bi-exclamation-triangle-fill fs-4 me-3 text-warning"></i>    <div>        <strong>Potential Quality Loss:</strong>         Targeting a <b>File Size (%)</b> while changing formats (e.g., MP3 to FLAC) can cause extreme pixelation.         <hr class="my-2">        <p class="mb-0 small">            <strong>Pro Tip:</strong> To avoid this, use <b>"Specific file size"</b> or change the <b>Audio File Extension</b> to same extension or <b>"Same as source".</b>        </p>    </div></div>`

Quality Preset

Preset

File Size Percentage

File size (%)

Specific file size

File size

Custom Bitrate

Constant Bitrate

Variable Bitrate

Compression level

AUDIO_COMPRESSION_LEVEL_GROUP_SELECTION

Audio Channel

Audio Sample Rate

Trim

Unchanged

ORIGINAL

Start time

Duration

Compress audio files to AU while controlling target size percentage, specific file size, or bitrate. Optionally adjust channels, sample rate, and trim.

Reduce audio file size and export as AU with flexible compression controls.

Compress to AU

AU Compressor | Reduce AU Audio File Size - XConvert.com

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