免费在线 AVCHD 转 TTA 转换器

AVCHD is a video codec designed for recording high definition videos in 720p, 1080i and 1080p modes on such rewritable discs as Blu-Ray and AVCHD, hard disks and memory cards. The AVCHD standard implies using of AVC video compression format, AC3 audio codec and MTS or M2TS file extension. The main feature of the codec is high compression efficiency together with high image quality. But here comes the main flaw - the codec is really heavy for playback.

TTA is a simple and stable lossless audio data format for real-time compressing of digital music. Free and fully-functional for any use. It has a very simple structure. The TTA file header contains a unique format identifier, which is followed by meta-data block. Meta-data block contains minimal information which is needed for restoring the original stream (including number of channels, count of bits per sample, sample rate and overall number of samples in file, etc.) and ended by a 32-bit control sum. Following that header, we write one or more audio frames. Each frame is ended by a 32-bit control sum; a decoder may start decoding from any frame in the stream. The compressed samples of channels in a frame are located sequentially, as in a simple PCM data format.