Merging Pyramix - Compressed Audio File Formats

File and Project Interchange : File Interchange - Formats
18 - 423
Compressed Audio File Formats
Pyramix supports many compressed file formats, including MP3, Ogg Vorbis, FLAC and AAC, directly. Other com-
pressed formats WMA, RA (RealAudio) AVI and more are supported via Windows DirectShow technology.
Codecs
MP3 and AAC
Pyramix supports MP3 and AAC directly. (Requires the optional Advanced Audio Codec Support key.) No sepa-
rate codec installation is required and no decompressed file is generated.
MP3
Requires the optional Audio Advanced Codec Support key.
• MP3 file format support (Encode/Decode)
• No decompressed file is generated for these formats (doesn’t use DirectShow)
• Word length: Record 16/24/32 bits, playback 32 bits
• Sampling Rates: 44kHz & 48kHz
• Mono or stereo tracks
• Encoding: MPEG 1 Layer 3 ABR (VBR) mono or Joint Stereo
• Decoding: MPEG-1 Layer 1/2/3 (MPEG-2 and 2.5 are supported but the sample rates required are not sup-
ported by Pyramix)
MP4/M4A (AAC)
Requires the optional Audio Advanced Codec Support key.
• No decompressed file is generated for these formats (doesn’t use DirectShow)
• Wordlength: 16/24/32 bits
• Sampling Rates: Record and playback 44kHz, 48kHz, 88.2kHz, 96kHz
• Record - max 6 tracks, Playback - max 48 tracks
• Encoding: LC-AAC MPEG4
• Decoding: HE/LC/Main/SSR-AAC (MPEG2 or MPEG4), DRM not supported
FLAC
FLAC encoding and decoding is supported directly. No separate codec installation or key is required and no
decompressed file is generated.
Note: Additional codec installation is not required
• No decompressed file is generated for this formats (doesn’t use DirectShow)
• Wordlength: 16/24/32 bits
• Sampling Rates: 44kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384khz
• Record - max 6 tracks, Playback - max 8 tracks
Ogg-Vorbis
Ogg-Vorbis encoding and decoding is supported natively. No separate codec installation or key is required.
• No decompressed file is generated for this formats (doesn’t use DirectShow)
• Wordlengths: 16/24/32 bits
• Sampling rates: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
• Format: Number of tracks: Record - max 6 tracks, Playback - max 255 tracks