![]() Mkvtoonix (for windows) - tools for MKV: has muxer frontend. NeroAAC to encode AAC (I use my media player foobar2000 as a convertor frontend for this)Īacgain (alternative to mp4 gain - losless normalisation of sound already muxed into an mp4) Windows live movie maker is probably good as long as the conversion is a straight forward one. SolveigMM AVI Trimmer + MKV 2 (was freeware when I got it.) Seemed to be able to crop/trim MKV containers and edit a frame accuracy better than other tools (Still a last choice if avidemux etc work fine)įFMPEG - great allinone encoder (see above notes) VirtualDub (the is a mp4 import plugin that is good, and the beta versions allow setting up external tools so mp4 output may be available )Īvisynth - the beast of video manipulation (if you like scripting - see Doom9 forum for advice) (useful with a frameserver ) Watch out for strange aac flutter at beginning of videos if you use this to encode the audio as well) There is no direct correlation between pixel values in the image and amplitude or frequency in the audio track, it’s just a relationship between pixel values and sample values, so the process is all rather hit and miss.AviDemux - Great all rounder(2.5 as 2.6 crashes all the time for me. You will get different results when processing depending on the formats used. Headerless formats are generally better because then you are only dealing with the image data. The difference between the new image and the original image shows how much data loss there has been.įor best results, turn off “High quality conversion > dither” (see: ) Then, without doing anything to the audio track, export from Audacity using the same settings as the import, then import (“open”) in Gimp using the same settings as the export, and the image should be roughly the same. The way to test is to export from Gimp and write down the export settings, then import (RAW and mono) into Audacity and write down the import settings. You will usually get ‘something’ that is at least vaguely meaningful. ![]() The format in Audacity is mono and not compressed,.The Audacity Export format matches the Audacity Import format,. ![]() The image format is not a compressed format,.The Gimp Import format matches the Gimp Export format,. ![]() The video tutorial said U-law, arkmabat said A-law, maybe that’s the source of their problem, (evidently it’s not Audacity’s fault). ![]()
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