Auphonic vs Speechly

Auphonic is an automated audio post-production service trusted across the podcast world. Upload a recording and its AI applies the polish that used to require an audio engineer: intelligent leveling between speakers, loudness normalization to platform standards (podcast, YouTube, broadcast), noise and hum reduction, and filtering — all automatically.

The magic is in the defaults: Auphonic's algorithms analyze your specific recording and apply appropriate processing, so two voices recorded at different volumes come out balanced, room noise recedes, and output hits −16 LUFS (or whatever target you set) every time. Advanced features include multitrack processing, automatic speech recognition…

Speechly is a developer platform for building real-time voice user interfaces — speech recognition engineered for live, streaming use inside apps rather than batch transcription after the fact. As users speak, Speechly returns words and extracted intents on the fly, enabling interfaces that react mid-sentence: search that filters as you talk, forms that fill while you dictate, voice moderation that flags in real time.

Its API combines low-latency streaming speech-to-text with natural-language understanding you configure for your domain, so "show me red shoes under fifty euros" arrives as structured intent, not just a transcript. SDKs cover web, iOS and Android. (Speechly was acquired by R…