Fast, free SPX to FLAC converter. No registration required.
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Converting between lossless formats preserves perfect quality. When converting to lossy formats, our optimized encoding minimizes any audible difference. You can adjust bitrate to control quality vs. file size.
We preserve ID3 tags, album art, and metadata when both SPX and FLAC support them. Some metadata may not transfer between incompatible formats.
Pro users can batch convert multiple audio files simultaneously. Free users convert one file at a time with up to 20 free conversions per day (5/day without signup).
We support all standard sample rates from 8kHz (voice) up to 192kHz (studio quality). The default preserves your source file's sample rate.
Yes. Our audio converter handles music, podcasts, voice memos, and audiobook files. For podcasts, we recommend MP3 at 128-192kbps for the best balance of quality and file size.
Upload your .spx file by dragging it into the upload area or clicking to browse.
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Choose your output settings. The default settings work great for most files.
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Click Convert and download your .flac file when it's ready.
Co je SPX?
Speex is an open-source audio codec designed specifically for speech. It provides excellent voice compression and is used in VoIP applications and voice recordings.
Podrobnosti o formátu
Celý název
Speex Audio
Přípona
.spx
Klíčové vlastnosti
Speech optimized
VoIP standard
Open source
Low latency
Co je FLAC?
FLAC is an open-source lossless audio codec. It compresses audio without any quality loss, making it popular among audiophiles.