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  1. Hello

    My digital recorder used the following settings to record a lecture in WAV:
    Code:
    Duration: 02:43:44.55, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16, 1411 kb/s
    I'm thinking of using LameDropXPd to compress it to MP3, before using ffmpeg to join the MP3 with a JPG into a MP4 pseudo-video.

    Are LameDropXPd's default settings optimal for that type of file, or should I tweak them?

    Thank you.
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  2. Member Cornucopia's Avatar
    Join Date: Oct 2001
    Location: Deep in the Heart of Texas
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    Do you like how it (a short segment) sounds at that setting?

    If so, use that setting. If not, use a better setting. (Repeat as needed)

    Seriously, while "lecture" is likely a more uniform subset, most recordings vary considerably in their optimal compression-vs.-quality setting, and it is at the core a SUBJECTIVE choice. Best to try it out for yourself.


    Scott
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  3. I'd make it mono at maybe VBR 64. The bitrate or quality setting is up to you, though, and subjective as Scott said.
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  4. Thanks for the tips.
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  5. Member Cornucopia's Avatar
    Join Date: Oct 2001
    Location: Deep in the Heart of Texas
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    As most lectures/speaking clips are mono, I concur w/ manono about the BR savings achieved by going the mono route.

    Scott
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