Audio Formats and Quality Settings Shape Voice AI Performance

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The article explains that the audio format and quality settings chosen for voice AI output affect file size, latency, cross-platform compatibility, and how natural a synthesized voice sounds. It compares WAV, MP3, AAC, OGG Vorbis, and Opus, noting that WAV offers the purest signal but produces much larger files, while MP3 and AAC balance size and quality for most web and mobile uses. Opus is highlighted as well suited to low-latency real-time voice applications. Key parameters such as sample rate, bit depth, and bitrate are outlined along with typical values for text-to-speech. A Python example using the ElevenLabs API demonstrates how to request a specific output format, sample rate, and bitrate.

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