Initial commit

chat-topics/conversation-email-to-audio-process.md

@@ -0,0 +1,24 @@
+# Conversation Checkpoint: Email-to-Audio Conversion Workflow
+
+## Summary
+Michael requested a workflow to convert a specific email from Peter H. Diamandis ("Robotaxies & Flying Cars Will Reinvent Real Estate") into an audio format using a specific voice model ("norman") and adjusted speeds.
+
+## Workflow Details
+1. **Source:** Email ID 10824 from Peter H. Diamandis via Himalaya.
+2. **Text Extraction:** Content was saved to `/home/openclaw/.openclaw/workspace/temp_stuff/diamandis_text.txt`.
+3. **TTS Conversion:**
+   - Script created: `tts_flexible.py` in `/home/openclaw/.openclaw/workspace/projects/local-tts/`.
+   - Tool used: `piper-tts`.
+   - Voice Model: `norman` (onnx).
+   - Speed Adjustment: Implemented via `--speed` argument (length_scale manipulation).
+4. **Audio Processing:** FFmpeg used to convert `.wav` output to `.mp3` (44100Hz, stereo, 192k bitrate).
+5. **Upload:** Uploaded to Nextcloud via WebDAV (curl) to the `/Bernard/` directory.
+
+## Current Files
+- Text: `/home/openclaw/.openclaw/workspace/temp_stuff/diamandis_text.txt`
+- Audio (0.8 speed): `diamandis_audio.mp3` (Nextcloud: /Bernard/diamandis_audio.mp3)
+- Audio (0.9 speed): `diamandis_audio_0_9.mp3` (Nextcloud: /Bernard/diamandis_audio_0_9.mp3)
+- Tooling: `/home/openclaw/.openclaw/workspace/projects/local-tts/tts_flexible.py`
+
+## Future Re-use
+This workflow can be repeated for any email text. Simply extract the text, run `tts_flexible.py` with desired parameters, encode with FFmpeg, and upload using the verified WebDAV method.