Absolutely! Once the M4A transcription is complete, select export on the editor menu, then select either SubRip (.srt) or WebVTT (.vtt) from the dropdown menu. You can also adjust the time and character length for each subtitle. ? M4A is Apple’s modification of MPEG-4 (MP4) media container containing audio files. Since the original media container could contain various data — video, audio, and others — Apple created its own extensions that would allow users to distinguish exactly what content is inside the file. This MP4 to M4A converter is 100% free to use for both personal and commercial use. Our primary product is actually our AI-based Transcription Software that helps you convert recorded speech in audio and video files into text. We initially built this audio / video format converter tool for our transcription software users, but then figured that MP4 to M4A converter: How to convert a MP4 to M4A file online 1. To convert a MP4 to M4a, drag and drop or click our upload area to upload the file 2. Your file will go into queue M4A (Apple Lossless Audio) is an audio coding format by Apple, used for storing audio data losslessly without losing any quality, open source and royalty-free. This format usually has higher sound quality and better compression then MP3, so it can create a good sound quality while having a small file size. Step 3: Choose M4A as output format and start conversion. Drop down the "Profile" list and choose "MP4" under the "Audio" option. After that, press the "Convert" button to convert. 4. Aiseesoft Free Video Converter. Aiseesoft is a video converter which lets you convert any file formats including MP4 to M4A for free. The following is a guide on how to change M4A to MP4 files on the online platform: 1. Launch the Zamzar website converter. To import the M4A file you wish to convert, click "Add Files". 2. Input an M4A file, and choose MP4 as the target format to convert it to. It's under the "Convert To" tab. Yes, you can convert AUP files from iPhone, iPad and other mobile devices, because AnyConv AUP Converter is a multi-platform web service. Free online AUP converter. Batch convert files from aup and to aup in seconds 👍 Converting files with AnyConv is easy! ZAMZAR M4A to MP4 Converter. ZAMZAR is an all-featured audio, video, document, and image converting platform. It has different tools to convert and edit files directly on a web browser. ZAMZAR has an individual M4A to MP4 converting page for free to convert M4A audio online. It enables you to convert an M4A file up to 50MB. It should be possible to keep the AAC audio stream and rewrite the MP4 container in a way that iPods like. Try this: ffmpeg -i file.m4a -c copy -y newfile.m4a. 13. apistoletov • 2 yr. ago. -y is only necessary if you want to overwrite a file that already exists. Use with caution, or just drop the -y. mjb2012 • 2 yr. ago. ohGvW.