$ ffmpeg -codecs | grep " .EA..S"
 D.V.L. lscr                 LEAD Screen Capture
 DEAI.S alac                 ALAC (Apple Lossless Audio Codec)
 DEA.LS dts                  DCA (DTS Coherent Acoustics) (decoders: dca ) (encoders: dca )
 DEAI.S flac                 FLAC (Free Lossless Audio Codec)
 DEA..S mlp                  MLP (Meridian Lossless Packing)
 DEA..S pcm_dvd              PCM signed 20|24-bit big-endian
 DEA..S pcm_f32be            PCM 32-bit floating point big-endian
 DEA..S pcm_f32le            PCM 32-bit floating point little-endian
 DEA..S pcm_f64be            PCM 64-bit floating point big-endian
 DEA..S pcm_f64le            PCM 64-bit floating point little-endian
 DEA..S pcm_s16be            PCM signed 16-bit big-endian
 DEA..S pcm_s16be_planar     PCM signed 16-bit big-endian planar
 DEA..S pcm_s16le            PCM signed 16-bit little-endian
 DEA..S pcm_s16le_planar     PCM signed 16-bit little-endian planar
 DEA..S pcm_s24be            PCM signed 24-bit big-endian
 DEA..S pcm_s24daud          PCM D-Cinema audio signed 24-bit
 DEA..S pcm_s24le            PCM signed 24-bit little-endian
 DEA..S pcm_s24le_planar     PCM signed 24-bit little-endian planar
 DEA..S pcm_s32be            PCM signed 32-bit big-endian
 DEA..S pcm_s32le            PCM signed 32-bit little-endian
 DEA..S pcm_s32le_planar     PCM signed 32-bit little-endian planar
 DEA..S pcm_s64be            PCM signed 64-bit big-endian
 DEA..S pcm_s64le            PCM signed 64-bit little-endian
 DEA..S pcm_s8               PCM signed 8-bit
 DEA..S pcm_s8_planar        PCM signed 8-bit planar
 DEA..S pcm_u16be            PCM unsigned 16-bit big-endian
 DEA..S pcm_u16le            PCM unsigned 16-bit little-endian
 DEA..S pcm_u24be            PCM unsigned 24-bit big-endian
 DEA..S pcm_u24le            PCM unsigned 24-bit little-endian
 DEA..S pcm_u32be            PCM unsigned 32-bit big-endian
 DEA..S pcm_u32le            PCM unsigned 32-bit little-endian
 DEA..S pcm_u8               PCM unsigned 8-bit
 DEA..S s302m                SMPTE 302M
 DEA..S truehd               TrueHD
 DEAI.S tta                  TTA (True Audio)
 DEAILS wavpack              WavPack