音视频基础(四)音频文件格式转换(支持重采样采样位数为24位)
2024-06-02 10:47:32
ffmpeg将音频文件重采样为8位、16位、32位的命令比较容易查找，但是重采样为24位却非常非常的少。
ffmpeg -i 32.wav -vn -ac 2 -ar 44100 -acodec pcm_s24le -y 24.wav
-i: 输入文件,这里为 32.wav
-vn: 输出文件禁用视频流
-ac: 设置输出文件音频通道的数量,这里为2(双通道)
-ar: 设置输出文件音频采样率,这里为44100
-acodec: 设置输出文件音频编解码器，这里为pcm_s24le(小端有符号的24位)
-y: 无需询问即可覆盖输出文件
ffmpeg支持的编解码有
Decoders:V..... = VideoA..... = AudioS..... = Subtitle.F.... = Frame-level multithreading..S... = Slice-level multithreading...X.. = Codec is experimental....B. = Supports draw_horiz_band.....D = Supports direct rendering method 1------V....D 012v Uncompressed 4:2:2 10-bitV....D 4xm 4X MovieV....D 8bps QuickTime 8BPS videoV....D aasc Autodesk RLEV..... amv AMV VideoV....D anm Deluxe Paint AnimationV....D ansi ASCII/ANSI artV....D asv1 ASUS V1V....D asv2 ASUS V2V....D aura Auravision AURAV....D aura2 Auravision Aura 2V....D avrn Avid AVI CodecV....D avrp Avid 1:1 10-bit RGB PackerV....D avs AVS (Audio Video Standard) videoV....D avui Avid Meridien UncompressedV....D ayuv Uncompressed packed MS 4:4:4:4V....D bethsoftvid Bethesda VID videoV....D bfi Brute Force & IgnoranceV....D binkvideo Bink videoV....D bintext Binary textV....D bmp BMP (Windows and OS/2 bitmap)V....D bmv_video Discworld II BMV videoV....D brender_pix BRender PIX imageV....D c93 Interplay C93V....D cavs Chinese AVS (Audio Video Standard) (AVS1-P2, JiZhun profile)V....D cdgraphics CD Graphics videoV....D cdxl Commodore CDXL videoV....D cinepak CinepakV....D cljr Cirrus Logic AccuPakV....D cllc Canopus Lossless CodecV....D eacmv Electronic Arts CMV video (codec cmv)V....D cpia CPiA video formatV....D camstudio CamStudio (codec cscd)V....D cyuv Creative YUV (CYUV)V....D dfa Chronomaster DFAV..... dirac BBC Dirac VC-2V..... libschroedinger libschroedinger Dirac 2.2 (codec dirac)VF...D dnxhd VC3/DNxHDV....D dpx DPX imageV....D dsicinvideo Delphine Software International CIN videoV.S..D dvvideo DV (Digital Video)V....D dxa Feeble Files/ScummVM DXAV....D dxtory DxtoryV....D escape124 Escape 124V....D escape130 Escape 130VF...D exr OpenEXR imageV.S..D ffv1 FFmpeg video codec #1VF..BD ffvhuff Huffyuv FFmpeg variantV....D flashsv Flash Screen Video v1V....D flashsv2 Flash Screen Video v2V....D flic Autodesk Animator Flic videoV...BD flv FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (codec flv1)VF...D fraps FrapsV....D frwu Forward UncompressedV....D gif GIF (Graphics Interchange Format)V....D h261 H.261V...BD h263 H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2V...BD h263i Intel H.263V...BD h263p H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2VFS..D h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10VF..BD huffyuv Huffyuv / HuffYUVV....D idcinvideo id Quake II CIN video (codec idcin)V....D idf iCEDraw textV....D iff IFF (codec iff_byterun1)V....D iff IFF (codec iff_ilbm)V....D indeo2 Intel Indeo 2V....D indeo3 Intel Indeo 3V....D indeo4 Intel Indeo Video Interactive 4V....D indeo5 Intel Indeo Video Interactive 5V....D interplayvideo Interplay MVE videoV..X.. j2k JPEG 2000 (codec jpeg2000)VF...D libopenjpeg OpenJPEG JPEG 2000 (codec jpeg2000)V....D jpegls JPEG-LSV....D jv Bitmap Brothers JV videoV....D kgv1 Kega Game VideoV....D kmvc Karl Morton's video codecVF...D lagarith Lagarith losslessV....D loco LOCOV....D eamad Electronic Arts Madcow Video (codec mad)VF...D mdec Sony PlayStation MDEC (Motion DECoder)VF...D mimic MimicV....D mjpeg MJPEG (Motion JPEG)V....D mjpegb Apple MJPEG-BV....D mmvideo American Laser Games MM VideoV....D motionpixels Motion Pixels videoV.S.BD mpeg1video MPEG-1 videoV.S.BD mpeg2video MPEG-2 videoV.S.BD mpegvideo MPEG-1 video (codec mpeg2video)VF..BD mpeg4 MPEG-4 part 2V....D msa1 MS ATC ScreenV...BD msmpeg4v1 MPEG-4 part 2 Microsoft variant version 1V...BD msmpeg4v2 MPEG-4 part 2 Microsoft variant version 2V...BD msmpeg4 MPEG-4 part 2 Microsoft variant version 3 (codec msmpeg4v3)V....D msrle Microsoft RLEV....D mss1 MS Screen 1V....D mss2 MS Windows Media Video V9 ScreenV....D msvideo1 Microsoft Video 1V....D mszh LCL (LossLess Codec Library) MSZHV....D mts2 MS Expression Encoder ScreenV....D mvc1 Silicon Graphics Motion Video Compressor 1V....D mvc2 Silicon Graphics Motion Video Compressor 2V....D mxpeg Mobotix MxPEG videoV....D nuv NuppelVideo/RTJPEGV....D paf_video Amazing Studio Packed Animation File VideoV....D pam PAM (Portable AnyMap) imageV....D pbm PBM (Portable BitMap) imageV....D pcx PC Paintbrush PCX imageV....D pgm PGM (Portable GrayMap) imageV....D pgmyuv PGMYUV (Portable GrayMap YUV) imageV....D pictor Pictor/PC PaintV....D png PNG (Portable Network Graphics) imageV....D ppm PPM (Portable PixelMap) imageV.S..D prores ProResV.S..D prores_lgpl Apple ProRes (iCodec Pro) (codec prores)V....D ptx V.Flash PTX imageV....D qdraw Apple QuickDrawV....D qpeg Q-team QPEGV....D qtrle QuickTime Animation (RLE) videoV....D r10k AJA Kona 10-bit RGB CodecV....D r210 Uncompressed RGB 10-bitV..... rawvideo raw videoV....D rl2 RL2 videoV....D roqvideo id RoQ video (codec roq)V....D rpza QuickTime video (RPZA)V....D rv10 RealVideo 1.0V....D rv20 RealVideo 2.0VF...D rv30 RealVideo 3.0VF...D rv40 RealVideo 4.0V....D sanm LucasArts SMUSH videoV....D sgi SGI imageV....D sgirle SGI RLE 8-bitV....D smackvid Smacker video (codec smackvideo)V....D smc QuickTime Graphics (SMC)V....D snow SnowV....D sp5x Sunplus JPEG (SP5X)V....D sunrast Sun Rasterfile imageV....D svq1 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1V...BD svq3 Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3V....D targa Truevision Targa imageV....D targa_y216 Pinnacle TARGA CineWave YUV16V....D eatgq Electronic Arts TGQ video (codec tgq)V..... eatgv Electronic Arts TGV video (codec tgv)VF..BD theora TheoraV....D thp Nintendo Gamecube THP videoV....D tiertexseqvideo Tiertex Limited SEQ videoV....D tiff TIFF imageV....D tmv 8088flex TMVV....D eatqi Electronic Arts TQI Video (codec tqi)V....D truemotion1 Duck TrueMotion 1.0V....D truemotion2 Duck TrueMotion 2.0V....D camtasia TechSmith Screen Capture Codec (codec tscc)V....D tscc2 TechSmith Screen Codec 2V....D txd Renderware TXD (TeXture Dictionary) imageV....D ultimotion IBM UltiMotion (codec ulti)VF...D utvideo Ut VideoV....D v210 Uncompressed 4:2:2 10-bitV....D v210x Uncompressed 4:2:2 10-bitV....D v308 Uncompressed packed 4:4:4V....D v408 Uncompressed packed QT 4:4:4:4V....D v410 Uncompressed 4:4:4 10-bitV....D vb Beam Software VBV....D vble VBLE Lossless CodecV....D vc1 SMPTE VC-1V....D vc1image Windows Media Video 9 Image v2V....D vcr1 ATI VCR1V....D xl Miro VideoXL (codec vixl)V....D vmdvideo Sierra VMD videoV....D vmnc VMware Screen Codec / VMware VideoVF..BD vp3 On2 VP3V....D vp5 On2 VP5V....D vp6 On2 VP6V.S..D vp6a On2 VP6 (Flash version, with alpha channel)V....D vp6f On2 VP6 (Flash version)VFS..D vp8 On2 VP8V..... libvpx libvpx VP8 (codec vp8)V...BD wmv1 Windows Media Video 7V...BD wmv2 Windows Media Video 8V....D wmv3 Windows Media Video 9V....D wmv3image Windows Media Video 9 ImageV....D wnv1 Winnov WNV1V....D vqavideo Westwood Studios VQA (Vector Quantized Animation) video (codec ws_vqa)V....D xan_wc3 Wing Commander III / XanV....D xan_wc4 Wing Commander IV / XxanV....D xbin eXtended BINary textV....D xbm XBM (X BitMap) imageV..... xface X-face imageV....D xwd XWD (X Window Dump) imageV....D y41p Uncompressed YUV 4:1:1 12-bitV..... yop Psygnosis YOP VideoV....D yuv4 Uncompressed packed 4:2:0V....D zerocodec ZeroCodec Lossless VideoV....D zlib LCL (LossLess Codec Library) ZLIBV....D zmbv Zip Motion Blocks VideoA....D 8svx_exp 8SVX exponentialA....D 8svx_fib 8SVX fibonacciA....D aac AAC (Advanced Audio Coding)A....D aac_latm AAC LATM (Advanced Audio Coding LATM syntax)A....D ac3 ATSC A/52A (AC-3)A....D adpcm_4xm ADPCM 4X MovieA....D adpcm_adx SEGA CRI ADX ADPCMA....D adpcm_afc ADPCM Nintendo Gamecube AFCA....D adpcm_ct ADPCM Creative TechnologyA....D adpcm_ea ADPCM Electronic ArtsA....D adpcm_ea_maxis_xa ADPCM Electronic Arts Maxis CDROM XAA....D adpcm_ea_r1 ADPCM Electronic Arts R1A....D adpcm_ea_r2 ADPCM Electronic Arts R2A....D adpcm_ea_r3 ADPCM Electronic Arts R3A....D adpcm_ea_xas ADPCM Electronic Arts XASA....D g722 G.722 ADPCM (codec adpcm_g722)A....D g726 G.726 ADPCM (codec adpcm_g726)A....D adpcm_ima_amv ADPCM IMA AMVA....D adpcm_ima_apc ADPCM IMA CRYO APCA....D adpcm_ima_dk3 ADPCM IMA Duck DK3A....D adpcm_ima_dk4 ADPCM IMA Duck DK4A....D adpcm_ima_ea_eacs ADPCM IMA Electronic Arts EACSA....D adpcm_ima_ea_sead ADPCM IMA Electronic Arts SEADA....D adpcm_ima_iss ADPCM IMA Funcom ISSA....D adpcm_ima_oki ADPCM IMA Dialogic OKIA....D adpcm_ima_qt ADPCM IMA QuickTimeA....D adpcm_ima_smjpeg ADPCM IMA Loki SDL MJPEGA....D adpcm_ima_wav ADPCM IMA WAVA....D adpcm_ima_ws ADPCM IMA WestwoodA....D adpcm_ms ADPCM MicrosoftA....D adpcm_sbpro_2 ADPCM Sound Blaster Pro 2-bitA....D adpcm_sbpro_3 ADPCM Sound Blaster Pro 2.6-bitA....D adpcm_sbpro_4 ADPCM Sound Blaster Pro 4-bitA....D adpcm_swf ADPCM Shockwave FlashA....D adpcm_thp ADPCM Nintendo Gamecube THPA....D adpcm_xa ADPCM CDROM XAA....D adpcm_yamaha ADPCM YamahaA....D alac ALAC (Apple Lossless Audio Codec)A....D amrnb AMR-NB (Adaptive Multi-Rate NarrowBand) (codec amr_nb)A....D libopencore_amrnb OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band) (codec amr_nb)A....D amrwb AMR-WB (Adaptive Multi-Rate WideBand) (codec amr_wb)A....D libopencore_amrwb OpenCORE AMR-WB (Adaptive Multi-Rate Wide-Band) (codec amr_wb)A....D ape Monkey's AudioA....D atrac1 Atrac 1 (Adaptive TRansform Acoustic Coding)A....D atrac3 Atrac 3 (Adaptive TRansform Acoustic Coding 3)A....D binkaudio_dct Bink Audio (DCT)A....D binkaudio_rdft Bink Audio (RDFT)A....D bmv_audio Discworld II BMV audioA....D comfortnoise RFC 3389 comfort noise generatorA....D cook Cook / Cooker / Gecko (RealAudio G2)A....D dsicinaudio Delphine Software International CIN audioA....D dca DCA (DTS Coherent Acoustics) (codec dts)A....D eac3 ATSC A/52B (AC-3, E-AC-3)A....D flac FLAC (Free Lossless Audio Codec)A....D g723_1 G.723.1A....D g729 G.729A....D gsm GSMA....D libgsm libgsm GSM (codec gsm)A....D gsm_ms GSM Microsoft variantA....D libgsm_ms libgsm GSM Microsoft variant (codec gsm_ms)A....D iac IAC (Indeo Audio Coder)A....D imc IMC (Intel Music Coder)A....D interplay_dpcm DPCM InterplayA....D mace3 MACE (Macintosh Audio Compression/Expansion) 3:1A....D mace6 MACE (Macintosh Audio Compression/Expansion) 6:1A....D mlp MLP (Meridian Lossless Packing)A....D mp1 MP1 (MPEG audio layer 1)A....D mp1float MP1 (MPEG audio layer 1) (codec mp1)A....D mp2 MP2 (MPEG audio layer 2)A....D mp2float MP2 (MPEG audio layer 2) (codec mp2)A....D mp3 MP3 (MPEG audio layer 3)A....D mp3float MP3 (MPEG audio layer 3) (codec mp3)A....D mp3adu ADU (Application Data Unit) MP3 (MPEG audio layer 3)A....D mp3adufloat ADU (Application Data Unit) MP3 (MPEG audio layer 3) (codec mp3adu)A....D mp3on4 MP3onMP4A....D mp3on4float MP3onMP4 (codec mp3on4)A....D als MPEG-4 Audio Lossless Coding (ALS) (codec mp4als)A....D mpc7 Musepack SV7 (codec musepack7)A....D mpc8 Musepack SV8 (codec musepack8)A....D nellymoser Nellymoser AsaoA....D libopus libopus Opus (codec opus)A....D paf_audio Amazing Studio Packed Animation File AudioA....D pcm_alaw PCM A-law / G.711 A-lawA....D pcm_bluray PCM signed 16|20|24-bit big-endian for Blu-ray mediaA....D pcm_dvd PCM signed 20|24-bit big-endianA....D pcm_f32be PCM 32-bit floating point big-endianA....D pcm_f32le PCM 32-bit floating point little-endianA....D pcm_f64be PCM 64-bit floating point big-endianA....D pcm_f64le PCM 64-bit floating point little-endianA....D pcm_lxf PCM signed 20-bit little-endian planarA....D pcm_mulaw PCM mu-law / G.711 mu-lawA....D pcm_s16be PCM signed 16-bit big-endianA....D pcm_s16be_planar PCM signed 16-bit big-endian planarA....D pcm_s16le PCM signed 16-bit little-endianA....D pcm_s16le_planar PCM signed 16-bit little-endian planarA....D pcm_s24be PCM signed 24-bit big-endianA....D pcm_s24daud PCM D-Cinema audio signed 24-bitA....D pcm_s24le PCM signed 24-bit little-endianA....D pcm_s24le_planar PCM signed 24-bit little-endian planarA....D pcm_s32be PCM signed 32-bit big-endianA....D pcm_s32le PCM signed 32-bit little-endianA....D pcm_s32le_planar PCM signed 32-bit little-endian planarA....D pcm_s8 PCM signed 8-bitA....D pcm_s8_planar PCM signed 8-bit planarA....D pcm_u16be PCM unsigned 16-bit big-endianA....D pcm_u16le PCM unsigned 16-bit little-endianA....D pcm_u24be PCM unsigned 24-bit big-endianA....D pcm_u24le PCM unsigned 24-bit little-endianA....D pcm_u32be PCM unsigned 32-bit big-endianA....D pcm_u32le PCM unsigned 32-bit little-endianA....D pcm_u8 PCM unsigned 8-bitA....D pcm_zork PCM ZorkA....D qcelp QCELP / PureVoiceA....D qdm2 QDesign Music Codec 2A....D real_144 RealAudio 1.0 (14.4K) (codec ra_144)A....D real_288 RealAudio 2.0 (28.8K) (codec ra_288)A....D ralf RealAudio LosslessA....D roq_dpcm DPCM id RoQA....D s302m SMPTE 302MA....D shorten ShortenA....D sipr RealAudio SIPR / ACELP.NETA....D smackaud Smacker audio (codec smackaudio)A....D sol_dpcm DPCM SolA..X.D sonic SonicA....D libspeex libspeex Speex (codec speex)A....D tak TAK (Tom's lossless Audio Kompressor)A....D truehd TrueHDA....D truespeech DSP Group TrueSpeechA....D tta TTA (True Audio)A....D twinvq VQF TwinVQA....D vima LucasArts VIMA audioA....D vmdaudio Sierra VMD audioA....D vorbis VorbisA..... libvorbis libvorbis (codec vorbis)A....D wavesynth Wave synthesis pseudo-codecA....D wavpack WavPackA....D ws_snd1 Westwood Audio (SND1) (codec westwood_snd1)A....D wmalossless Windows Media Audio LosslessA....D wmapro Windows Media Audio 9 ProfessionalA....D wmav1 Windows Media Audio 1A....D wmav2 Windows Media Audio 2A....D wmavoice Windows Media Audio VoiceA....D xan_dpcm DPCM XanS..... dvbsub DVB subtitles (codec dvb_subtitle)S..... dvdsub DVD subtitles (codec dvd_subtitle)S..... pgssub HDMV Presentation Graphic Stream subtitles (codec hdmv_pgs_subtitle)S..... jacosub JACOsub subtitleS..... microdvd MicroDVD subtitleS..... mov_text 3GPP Timed Text subtitleS..... mpl2 MPL2 subtitleS..... pjs PJS subtitleS..... realtext RealText subtitleS..... sami SAMI subtitleS..... srt SubRip subtitle with embedded timingS..... ass SSA (SubStation Alpha) subtitle (codec ssa)S..... subrip SubRip subtitleS..... subviewer SubViewer subtitleS..... subviewer1 SubViewer1 subtitleS..... text Raw text subtitleS..... vplayer VPlayer subtitleS..... webvtt WebVTT subtitleS..... xsub XSUB音视频基础(四)音频文件格式转换(支持重采样采样位数为24位)相关推荐
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