Video to MP3 Converter

This tool converts MTS video files to MP3 audio by transcoding the video’s audio track into a standard MP3 stream. It preserves timing and duration while delivering a standalone audio file suitable for podcasts, narration, or soundtrack reuse. Input validation ensures only supported containers are processed and file size limits, while the output naming rules ensure consistency across batches. Conceptually, the workflow reads the MTS container, extracts the audio track, and re-encodes it at a user-selectable bitrate (128, 192, 256, or 320 kbps) with a choice of 44.1 or 48 kHz sample rate and mono or stereo channels. The system uses established MP3 encoding standards to balance quality and portability. Audience and value span content creators, podcasters, educators, and archival staff who need reusable audio. The tool enables rapid extraction without re-encoding video data, supports batch conversions for large projects, and provides deterministic file sizes for planning. It also preserves key metadata when available. Core features and rules include: required inputs (source .mts, output name, bitrate, sample rate); optional settings (channels, metadata); outputs (MP3 file, duration, encoded bitrate, sample rate, channels). Error handling covers missing inputs, unsupported formats, corrupted streams, and excessive file sizes; performance optimizations include batch processing and streaming-safe processing in batches. Industry standards & localization: adheres to MP3 encoding standards, supported sampling rates align with common DAW presets, and outputs suit international podcasting and video production workflows. Assumes user rights to the source and excludes other formats or embedded subtitle processing.