Fix OPUS encoding bitrate: 24kbps → 128kbps#170
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The OPUS bitrate was set to 24000 (24kbps), which appears to confuse the audio sample rate (24000 Hz) with the target bitrate. This resulted in extremely low quality, muffled audio output when using OPUS format. Changed to 128000 (128kbps) which is appropriate for speech/audiobook content and produces clear, natural-sounding output. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>
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Summary
24000(24kbps) in all ffmpeg encoding calls — this appears to confuse the audio sample rate (24000 Hz) with the target bitrate128000(128kbps), appropriate for speech/audiobook contentFiles changed
abogen/pyqt/conversion.py— 3 occurrences (merged output, chapter output, subtitle file output)abogen/webui/conversion_runner.py— 1 occurrenceTest plan
🤖 Generated with Claude Code