From 7b0f8520c99c1294740edcf3b034f9c085e27726 Mon Sep 17 00:00:00 2001 From: Electric Keet Date: Wed, 6 Sep 2023 17:07:26 -0700 Subject: [PATCH] File extensions must be lowercase! Also a correction regarding BRR. Wikipedia is wrong! --- doc/1-intro/glossary.md | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/doc/1-intro/glossary.md b/doc/1-intro/glossary.md index f3d1537c6..2146dc774 100644 --- a/doc/1-intro/glossary.md +++ b/doc/1-intro/glossary.md @@ -12,8 +12,8 @@ **bitbang**: to achieve PCM sound by sending a rapid stream of volume commands to a non-PCM channel. -**BRR**: a type of lossy ADPCM used by the SNES. it has a fixed compression ratio; groups of 32 bytes (16 samples) are encoded in 9 bytes each. -- usually stored in .BRR files. +**BRR**: a lossy sample format used by the SNES. it has a fixed compression ratio; groups of 32 bytes (16 samples) are encoded in 9 bytes each. +- usually stored in .brr files. **clipping**: when a sample or playback stream exceeds the maximum or minimum values. this can cause audible distortion. - this often occurs when a sample is amplified too much. @@ -28,13 +28,13 @@ **DAC**: digital analog converter. this converts a digital representation of sound into actual output. -**.DMF**: a DefleMask song file. +**.dmf**: a DefleMask song file. - _Furnace:_ DFM files may be read, and compatibility flags will be set to make them play as accurately as possible, but there may still be glitches. - _Furnace:_ DFM files may be saved, but full compatibility isn't guaranteed and many features will be missing. this isn't recommended unless absolutely necessary. -**.DMP**: a DefleMask instrument file. +**.dmp**: a DefleMask instrument file. -**.DMW**: a DefleMask wavetable file. +**.dmw**: a DefleMask wavetable file. **DPCM**: differential/delta pulse code modulation. this is a variety of PCM that stores each amplitude as its difference from the previous. @@ -47,11 +47,11 @@ **FM**: frequency modulation. this is a method of generating sound that uses one operator's amplitude to modify another operator's frequency. - the FM in Yamaha chips is more accurately called _phase modulation,_ which uses a different method of computation to achieve similar results. -**.FUI**: a Furnace instrument file. +**.fui**: a Furnace instrument file. -**.FUR**: a Furnace tracker file. +**.fur**: a Furnace tracker file. -**.FUW**: a Furnace wavetable file. +**.fuw**: a Furnace wavetable file. **hard-pan**: sounds can only be panned all the way to one side or the other, not in-between. @@ -78,9 +78,9 @@ **oscillator**: a sine wave or other basic waveform used as sound or to alter sound. **PCM**: pulse code modulation. a stream of data that represents sound as a rapid sequence of amplitudes. -- CD tracks and .WAV files are PCM. -- .FLAC files are compressed PCM that must be converted to .WAV outside Furnace before use. -- .OGG and .MP3 are compressed differently from PCM. they must also be converted to .WAV before use. +- CD tracks and .wav files are PCM. +- .flac files are compressed PCM that must be converted to .wav outside Furnace before use. +- .ogg and .mp3 are compressed differently from PCM. they must also be converted to .wav before use. **period**: the length of a repeating waveform. as frequency rises, the period shortens. @@ -130,8 +130,8 @@ **unsigned**: a digital representation of a number that can only be positive. - if an imported raw sample sounds recognizable but heavily distorted, it's likely to be signed interpreted as unsigned or vice-versa. -**.VGM**: a file containing the log of data sent to a soundchip during sound playback. -- saving to a .VGM file may be compared to "converting text to outlines" or similar irreversible processes. the results cannot be loaded back into the tracker. +**.vgm**: a file containing the log of data sent to a soundchip during sound playback. +- saving to a .vgm file may be compared to "converting text to outlines" or similar irreversible processes. the results cannot be loaded back into the tracker. - different versions of the VGM format have different capabilities, with trade-offs. older versions may lack chips or features; newer versions may not be compatible with some software. - samples are stored uncompressed. PCM streams (such as DualPCM) can quickly take up a huge amount of space. @@ -142,4 +142,4 @@ **wavetable** (2): an ordered group of wavetables(1) used in sequence within a single instrument. -**ZSM**: a VGM-like file meant specifically for the Commander X16 computer. +**.zsm**: a VGM-like file meant specifically for the Commander X16 computer.