3GA (audio/3gpp) uses lossy compression optimized for mobile voice recordings, phone memos. 3GPP Audio, compressed audio from mobile phone recordings
SPX files are built around lossy compression. Designed for voip telephony, voice chat, speech compression, they use the audio/speex MIME type and typically range from varies by content.
Reach for 3GA when your priority is mobile voice recordings, phone memos — its efficient compression makes sharing fast and storage minimal.
Reach for SPX when your priority is voip telephony, voice chat, speech compression — its efficient compression makes sharing fast and storage minimal.
Learn more about 3GA and SPX formats in our detailed guide.
Convert 3GA files to SPX online for free. High-quality conversion with no registration required.
Upload or enter a URL to convert 3GA to SPX instantly
or paste from clipboard
.3ga,.3GA (max 100MB)
Verifying security check…
3GA (3GA) - 3GPP Audio, compressed audio from mobile phone recordings. Best for mobile voice recordings, phone memos.
SPX (SPX) - Speex, open-source speech codec for VoIP and voice. Ideal for voip telephony, voice chat, speech compression.
Yes, GoConvertFile offers free conversion of 3GA to SPX for files up to 100MB. No registration required.
Most 3GA to SPX conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
SPX is ideal for voip telephony, voice chat, speech compression. Speex, open-source speech codec for VoIP and voice
File size after 3GA to SPX conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.