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2. Audio converter - Wikipedia

   en.wikipedia.org/wiki/Audio_converter

   M4A (MPEG-4 Audio): A compressed format often used with Apple devices, similar to MP3 but potentially offering higher quality at the same bitrate. FLAC (Free Lossless Audio Codec): A lossless compression format that maintains the original audio quality but creates files larger than MP3s. OGG Vorbis: An open-source, lossless compression format ...

3. List of audio conversion software - Wikipedia

   en.wikipedia.org/wiki/List_of_audio_conversion...

   An audio conversion app (also known as an audio converter) transcodes one audio file format into another; for example, from FLAC into MP3. It may allow selection of encoding parameters for each of the output file to optimize its quality and size.

4. WAV - Wikipedia

   en.wikipedia.org/wiki/WAV

   The WAV file is an instance of a Resource Interchange File Format (RIFF) defined by IBM and Microsoft. [3] The RIFF format acts as a wrapper for various audio coding formats. Though a WAV file can contain compressed audio, the most common WAV audio format is uncompressed audio in the linear pulse-code modulation (LPCM) format.

5. Sample-rate conversion - Wikipedia

   en.wikipedia.org/wiki/Sample-rate_conversion

   Audio on Compact Disc has a sampling rate of 44.1 kHz; to transfer it to a digital medium that uses 48 kHz, method 1 above can be used with L = 160, M = 147 (since 48000/44100 = 160/147). [5] For the reverse conversion, the values of L and M are swapped. Per above, in both cases, the low-pass filter should be set to 22.05 kHz.

6. Audio coding format - Wikipedia

   en.wikipedia.org/wiki/Audio_coding_format

   A lossless audio coding format reduces the total data needed to represent a sound but can be de-coded to its original, uncompressed form. A lossy audio coding format additionally reduces the bit resolution of the sound on top of compression, which results in far less data at the cost of irretrievably lost information.

7. Audio file format - Wikipedia

   en.wikipedia.org/wiki/Audio_file_format

   The standard audio file format used by Sun, Unix and Java. The audio in au files can be PCM or compressed with the μ-law, a-law or G.729 codecs. .awb: AMR-WB audio, used primarily for speech, same as the ITU-T's G.722.2 specification. .dss: Olympus: DSS files are an Olympus proprietary format.

8. List of file signatures - Wikipedia

   en.wikipedia.org/wiki/List_of_file_signatures

   Audio Interchange File Format: 4C 5A 49 50: LZIP: 0 lz lzip compressed file [20] 30 37 30 37 30 37: 070707: 0 cpio cpio archive file [21] 4D 5A: MZ: 0 exe dll mui sys scr cpl ocx ax iec ime rs tsp fon efi DOS MZ executable and its descendants (including NE and PE) 53 4D 53 4E 46 32 30 30: SMSNF200: 0 ssp SmartSniff Packets File [22] 5A 4D: ZM ...

9. Digital-to-analog converter - Wikipedia

   en.wikipedia.org/wiki/Digital-to-analog_converter

   The audio DAC is a low-frequency, high-resolution type while the video DAC is a high-frequency low- to medium-resolution type. Due to the complexity and the need for precisely matched components , all but the most specialized DACs are implemented as integrated circuits (ICs).