Option to add timestamps to the .txt file output.

[cbsfletch]

In the command line to diarize.py or diarize-parallel, simply include --with-txt-timestamps
Default is false

[gemini-code-assist]

Summary of Changes

Hello @cbsfletch, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the diarization scripts by adding an optional feature to include timestamps in the plain text output files. This allows users to generate transcripts with temporal markers for each speaker's turn, improving the utility and readability of the output for applications requiring precise timing information.

Highlights

• New Command-Line Option: Introduced a new command-line argument, --with-txt-timestamps, for both diarize.py and diarize_parallel.py. This boolean flag, defaulting to false, allows users to control whether timestamps are included in the generated .txt output files.
• Timestamp Inclusion in Output: When --with-txt-timestamps is enabled, the .txt output will now include the start time of each speaker's segment, formatted and placed before the speaker's name and their transcribed text. This provides more detailed temporal context for the transcription.
• Function Signature Update: The get_speaker_aware_transcript function in helpers.py has been updated to accept a new txt_timestamps parameter. This parameter dictates the logic for including or excluding timestamps in the transcript output.

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[gemini-code-assist]

Code Review

This pull request introduces a new command-line option, --with-txt-timestamps, to add timestamps to the .txt output files in both diarize.py and diarize-parallel.py. The implementation in helpers.py correctly adds a timestamp whenever the speaker changes. The overall logic is sound. My feedback is focused on improving the clarity of the help text for the new argument to ensure users understand exactly when timestamps are added.

[gemini-code-assist]

The help text is a bit verbose and could be more precise. The current implementation adds timestamps only when the speaker changes. The current description might imply that every sentence gets a timestamp. Updating the help text to reflect this behavior will improve clarity for users.

Suggested change

	help="Include timestamps in the txt file output. This argument is optional, and by default timestamps are not included in the txt output.",
	help="Include timestamps in the txt file output at speaker changes.",

[gemini-code-assist]

The help text is a bit verbose and could be more precise. The current implementation adds timestamps only when the speaker changes. The current description might imply that every sentence gets a timestamp. Updating the help text to reflect this behavior will improve clarity for users.

Suggested change

	help="Include timestamps in the txt file output. This argument is optional, and by default timestamps are not included in the txt output.",
	help="Include timestamps in the txt file output at speaker changes.",