MP4Box [option] input [option] -h general general options help -h hint hinting options help -h import import options help -h encode encode options help -h meta meta handling options help -h extract extraction options help -h dump dump options help -h swf Flash (SWF) options help -h crypt ISMA E&A options help -h format supported formats help -h rtp streamer help -nodes lists supported MPEG4 nodes -node NodeName gets MPEG4 node syntax and QP info -xnodes lists supported X3D nodes -xnode NodeName gets X3D node syntax -snodes lists supported SVG nodes -snode NodeName gets SVG node syntax -languages lists supported ISO 639 languages -quiet quiet mode -v verbose mode -version gets build version General Options: -inter time_in_ms interleaves file data (track chunks of time_in_ms) * Note 1: Interleaving is 0.5s by default * Note 2: Performs drift checking accross tracks * Note 3: a value of 0 disables interleaving -old-inter time same as -inter but doesn't perform drift checking -tight performs tight interleaving (sample based) of the file * Note: reduces disk seek but increases file size -flat stores file with all media data first, non-interleaved -frag time_in_ms fragments file (track fragments of time_in_ms) * Note: Always disables interleaving -out filename specifies output file name * Note: By default input (MP4,3GP) file is overwritten -tmp dirname specifies directory for temporary file creation * Note: Default temp dir is OS-dependent -no-sys removes all MPEG-4 Systems info except IOD (profiles) * Note: Set by default whith '-add' and '-cat' -no-iod removes InitialObjectDescriptor from file -isma rewrites the file as an ISMA 1.0 AV file -ismax same as '-isma' and removes all clock references -3gp rewrites as 3GPP(2) file (no more MPEG-4 Systems Info) * Note 1: some tracks may be removed in the process * Note 2: always on for *.3gp *.3g2 *.3gpp -ipod rewrites the file for iPod -psp rewrites the file for PSP devices -brand ABCD[:v] sets major brand of file, with optional version -ab ABCD adds given brand to file's alternate brand list -rb ABCD removes given brand from file's alternate brand list -cprt string adds copyright string to movie -chap file adds chapter information contained in file -rem trackID removes track from file -enable trackID enables track -disable trackID disables track -new forces creation of a new destination file -rem trackID removes track from file -lang [tkID=]LAN sets track language. LAN is the ISO 639-2 code (eng, und) -delay tkID=TIME sets track start delay in ms. -par tkID=PAR sets visual track pixel aspect ratio (PAR=N:D or "none") -name tkID=NAME sets track handler name * NAME can indicate a UTF-8 file ("file://file name" -itags tag1[:tag2] sets iTunes tags to file - more info: MP4Box -tag-list. -split time_sec splits in files of time_sec max duration * Note: this removes all MPEG-4 Systems media -split-size size splits in files of max filesize kB. * Note: this removes all MPEG-4 Systems media -split-chunk S:E extracts a new file from Start to End (in seconds) * Note: this removes all MPEG-4 Systems media -group-add fmt creates a new grouping information in the file. Format is a colon-separated list of following options: refTrack=ID: ID of the track used as a group reference. If not set, the track will belong to the same group as the previous trackID specified. If 0 or no previous track specified, a new alternate group will be created switchID=ID: ID of the switch group to create. If 0, a new ID will be computed for you If <0, disables SwitchGroup criteria=string: list of space-separated 4CCs. trackID=ID: ID of the track to add to this group. *WARNING* Options modify state as they are parsed: trackID=1:criteria=lang:trackID=2 is different from: criteria=lang:trackID=1:trackID=2 -group-rem-track ID removes track from its group -group-rem ID removes the track's group -group-clean removes all group information from all tracks -ref id:XXXX:refID adds a reference of type 4CC from track ID to track refID Hinting Options -hint hints the file for RTP/RTSP -mtu size specifies RTP MTU (max size) in bytes. Default size is 1450 * Note: this includes the RTP header (12 bytes) -copy copies media data to hint track rather than reference * Note: speeds up server but takes much more space -multi [maxptime] enables frame concatenation in RTP packets if possible maxptime max packet duration in ms (optional, default 100ms) -rate ck_rate specifies rtp rate in Hz when no default for payload * Note: default value is 90000 (MPEG rtp rates) -mpeg4 forces MPEG-4 generic payload whenever possible -latm forces MPG4-LATM transport for AAC streams -static enables static RTP payload IDs whenever possible * By default, dynamic payloads are always used MPEG-4 Generic Payload Options -ocr forces all streams to be synchronized * Most RTSP servers only support synchronized streams -rap signals random access points in RTP packets -ts signals AU Time Stamps in RTP packets -size signals AU size in RTP packets -idx signals AU sequence numbers in RTP packets -iod prevents systems tracks embedding in IOD * Note: shouldn't be used with -isma option -add-sdp string adds sdp string to (hint) track ("-add-sdp tkID:string") or movie. This will take care of SDP lines ordering -unhint removes all hinting information. Importing Options File importing syntax: "#video" "#audio" base import for most AV files "#trackID=ID" track import for IsoMedia and other files "#pid=ID" stream import from MPEG-2 TS ":dur=D" imports only the first D seconds ":lang=LAN" sets imported media language code ":delay=delay_ms" sets imported media initial delay in ms ":par=PAR" sets visual pixel aspect ratio (PAR=Num:Den) ":name=NAME" sets track handler name ":hdlr=code" sets track handler type to the given code point (4CC) ":disable" imported track(s) will be disabled ":group=G" adds the track as part of the G alternate group. If G is 0, the first available GroupID will be picked. ":fps=VAL" same as -fps option ":agg=VAL" same as -agg option ":par=VAL" same as -par option ":dref" same as -dref option ":nodrop" same as -nodrop option ":packed" same as -packed option ":sbr" same as -sbr option ":sbrx" same as -sbrx option ":mpeg4" same as -mpeg4 option ":font=name" specifies font name for text import (default "Serif") ":size=s" specifies font size for text import (default 18) ":stype=4CC" forces the sample description type to a different value !! THIS MAY BREAK THE FILE WRITING !! ":chap" specifies the track is a chapter track ":profile" forces the profile for the H.264 content ":level" forces the level for the H.264 content ":layout=WxHxXxY" specifies the track layout - if W (resp H) = 0, the max width (resp height) of the tracks in the file are used. - if Y=-1, the layout is moved to the bottom of the track area -add file add file tracks to (new) output file -cat file concatenates file samples to (new) output file * Note: creates tracks if needed -force-cat skips media configuration check when concatenating file !!! THIS MAY BREAK THE CONCATENATED TRACK(S) !!! -keep-sys keeps all MPEG-4 Systems info when using '-add' / 'cat' -keep-all keeps all existing tracks when using '-add' * Note: only used when adding IsoMedia files All the following options can be specified as default or for each track. When specified by track the syntax is ":opt" or ":opt=val". -dref keeps media data in original file -no-drop forces constant FPS when importing AVI video -packed forces packed bitstream when importing raw ASP -sbr backward compatible signaling of AAC-SBR -sbrx non-backward compatible signaling of AAC-SBR * Note: SBR AAC cannot be detected at import time -fps FPS forces frame rate for video and SUB subtitles import * For raw H263 import, default FPS is 15 * For all other imports, default FPS is 25 !! THIS IS IGNORED FOR IsoMedia IMPORT !! -mpeg4 forces MPEG-4 sample descriptions when possible (3GPP2) For AAC, forces MPEG-4 AAC signaling even if MPEG-2 -agg N aggregates N audio frames in 1 sample (3GP media only) * Note: Maximum value is 15 - Disabled by default MPEG-4 Scene Encoding Options -mp4 specify input file is for encoding. -def encode DEF names -sync time_in_ms forces BIFS sync sample generation every time_in_ms * Note: cannot be used with -shadow -shadow time_ms forces BIFS sync shadow sample generation every time_ms. * Note: cannot be used with -sync -log generates scene codec log file if available -ms file specifies file for track importing Chunk Processing -ctx-in file specifies initial context (MP4/BT/XMT) * Note: input file must be a commands-only file -ctx-out file specifies storage of updated context (MP4/BT/XMT) LASeR Encoding options -resolution res resolution factor (-8 to 7, default 0) all coords are multiplied by 2^res before truncation -coord-bits bits bits used for encoding truncated coordinates (0 to 31, default 12) -scale-bits bits extra bits used for encoding truncated scales (0 to 4, default 0) -auto-quant res resolution is given as if using -resolution but coord-bits and scale-bits are infered Meta handling Options -set-meta args sets given meta type - syntax: "ABCD[:tk=ID]" * ABCD: four char meta type (NULL or 0 to remove meta) * [:tk=ID]: if not set use root (file) meta if ID is 0 use moov meta if ID is not 0 use track meta -add-item args adds resource to meta * syntax: file_path + options (':' separated): tk=ID: meta adressing (file, moov, track) name=str: item name mime=mtype: item mime type encoding=enctype: item content-encoding type * file_path "this" or "self": item is the file itself -rem-item args removes resource from meta - syntax: item_ID[:tk=ID] -set-primary args sets item as primary for meta - syntax: item_ID[:tk=ID] -set-xml args sets meta XML data * syntax: xml_file_path[:tk=ID][:binary] -rem-xml [tk=ID] removes meta XML data -dump-xml args dumps meta XML to file - syntax file_path[:tk=ID] -dump-item args dumps item to file - syntax item_ID[:tk=ID][:path=fileName] -package packages input XML file into an ISO container * all media referenced except hyperlinks are added to file Extracting Options -raw TrackID extracts track in raw format when supported -raws TrackID extract each track sample to a file * Note: "TrackID:N" extracts Nth sample -nhnt TrackID extracts track in nhnt format -nhml TrackID extracts track in nhml format (XML nhnt). * Note: "-nhml +TrackID" for full dump -single TrackID extracts track to a new mp4 file -avi TrackID extracts visual track to an avi file -qcp TrackID same as '-raw' but defaults to QCP file for EVRC/SMV -aviraw TK extracts AVI track in raw format $TK can be one of "video" "audio" "audioN" -saf remux file to SAF multiplex -dvbhdemux demux DVB-H file into IP Datagrams * Note: can be used when encoding scene descriptions -diod extracts file IOD in raw format when supported Dumping Options -std dumps to stdout instead of file -info [trackID] prints movie info / track info if trackID specified * Note: for non IsoMedia files, gets import options -bt scene to bt format - removes unknown MPEG4 nodes -xmt scene to XMT-A format - removes unknown MPEG4 nodes -wrl scene VRML format - removes unknown VRML nodes -x3d scene to X3D/XML format - removes unknown X3D nodes -x3dv scene to X3D/VRML format - removes unknown X3D nodes -lsr scene to LASeR format -diso scene IsoMedia file boxes in XML output -drtp rtp hint samples structure to XML output -dts prints sample timing to text output -sdp dumps SDP description of hinted file -dcr ISMACryp samples structure to XML output -ttxt Converts input subtitle to GPAC TTXT format -ttxt TrackID Dumps Text track to GPAC TTXT format -srt Converts input subtitle to SRT format -srt TrackID Dumps Text track to SRT format -stat generates node/field statistics for scene -stats generates node/field statistics per MPEG-4 Access Unit -statx generates node/field statistics for scene after each AU -hash generates SHA-1 Hash of the input file SWF Importer Options MP4Box can import simple Macromedia Flash files (".SWF") You can specify a SWF input file with '-bt', 'xmt' and '-mp4' options -global all SWF defines are placed in first scene replace * Note: By default SWF defines are sent when needed -no-ctrl uses a single stream for movie control and dictionary * Note: this will disable ActionScript -no-text removes all SWF text -no-font removes all embedded SWF Fonts (terminal fonts used) -no-line removes all lines from SWF shapes -no-grad removes all gradients from swf shapes -quad uses quadratic bezier curves instead of cubic ones -xlp support for lines transparency and scalability -flatten ang complementary angle below which 2 lines are merged * Note: angle '0' means no flattening ISMA Encryption/Decryption Options -crypt drm_file crypts a specific track using ISMA AES CTR 128 -decrypt [drm_file] decrypts a specific track using ISMA AES CTR 128 * Note: drm_file can be omitted if keys are in file -set-kms kms_uri changes KMS location for all tracks or a given one. * to adress a track, use 'tkID=kms_uri' DRM file syntax for GPAC ISMACryp: File is XML and shall start with xml header File root is an "ISMACryp" element File is a list of "ISMACrypTrack" elements ISMACrypTrack attributes are TrackID ID of track to en/decrypt key AES-128 key formatted (hex string '0x'+32 chars) salt CTR IV salt key (64 bits) (hex string '0x'+16 chars) Encryption only attributes: Scheme_URI URI of scheme used KMS_URI URI of key management system * Note: 'self' writes key and salt in the file selectiveType selective encryption type - understood values are: "None" all samples encrypted (default) "RAP" only encrypts random access units "Non-RAP" only encrypts non-random access units "Rand" random selection is performed "X" Encrypts every first sample out of X (uint) "RandX" Encrypts one random sample out of X (uint) ipmpType IPMP Signaling Type: None, IPMP, IPMPX ipmpDescriptorID IPMP_Descriptor ID to use if IPMP(X) is used * If not set MP4Box will generate one for you Suppported raw formats and file extensions: NHNT .media .nhnt .info NHML .nhml (opt: .media .info) MPEG-1-2 Video .m1v .m2v MPEG-4 Video .cmp .m4v H263 Video .263 .h263 AVC/H264 Video .h264 .h26L .264 .26L JPEG Images .jpg .jpeg PNG Images .png MPEG 1-2 Audio .mp3, .m1a, .m2a ADTS-AAC Audio .aac AMR(WB) Audio .amr .awb EVRC Audio .evc SMV Audio .smv Supported containers and file extensions: AVI .avi MPEG-2 PS .mpg .mpeg .vob .vcd .svcd MPEG-2 TS .ts .m2t QCP .qcp OGG .ogg ISO-Media files no extension checking Supported text formats: SRT Subtitles .srt SUB Subtitles .sub GPAC Timed Text .ttxt QuickTime TeXML Text .xml (cf QT documentation) Supported Scene formats: MPEG-4 XMT-A .xmt .xmta .xmt.gz .xmta.gz MPEG-4 BT .bt .bt.gz VRML .wrl .wrl.gz X3D-XML .x3d .x3d.gz X3D-VRML .x3dv .x3dv.gz MacroMedia Flash .swf (very limitted import support only) File Streamer Options MP4Box can stream ISO files to RTP. The streamer currently doesn't support data carrouselling and will therefore not handle BIFS and OD streams properly. -rtp enables streamer -noloop disables looping when streaming -mpeg4 forces MPEG-4 ES Generic for all RTP streams -port PORT output port of the first stream. Default: 7000 -mtu MTU path MTU for RTP packets. Default is 1450 bytes -dst DEST IP destination (uni/multi-cast). Default: 127.0.0.1 -ifce IFCE IP address of the physical interface to use. Default: ANY -ttl TTL time to live for multicast packets. Default: 1 -sdp Name file name of the generated SDP. Default: "session.sdp" Available MPEG-4 nodes in this build (encoding/decoding/dumping): Anchor AnimationStream Appearance AudioBuffer AudioClip AudioDelay AudioFX AudioMix AudioSource AudioSwitch Background Background2D Billboard Bitmap Box Circle Collision Color ColorInterpolator CompositeTexture2D CompositeTexture3D Conditional Cone Coordinate Coordinate2D CoordinateInterpolator CoordinateInterpolator2D Curve2D Cylinder CylinderSensor DirectionalLight DiscSensor ElevationGrid Expression Extrusion Face FaceDefMesh FaceDefTables FaceDefTransform FAP FDP FIT Fog FontStyle Form Group ImageTexture IndexedFaceSet IndexedFaceSet2D IndexedLineSet IndexedLineSet2D Inline LOD Layer2D Layer3D Layout LineProperties ListeningPoint Material Material2D MovieTexture NavigationInfo Normal NormalInterpolator OrderedGroup OrientationInterpolator PixelTexture PlaneSensor PlaneSensor2D PointLight PointSet PointSet2D PositionInterpolator PositionInterpolator2D ProximitySensor2D ProximitySensor QuantizationParameter Rectangle ScalarInterpolator Script Shape Sound Sound2D Sphere SphereSensor SpotLight Switch TermCap Text TextureCoordinate TextureTransform TimeSensor TouchSensor Transform Transform2D Valuator Viewpoint VisibilitySensor Viseme WorldInfo AcousticMaterial AcousticScene ApplicationWindow BAP BDP Body BodyDefTable BodySegmentConnectionHint DirectiveSound Hierarchical3DMesh MaterialKey PerceptualParameters TemporalTransform TemporalGroup ServerCommand InputSensor MatteTexture MediaBuffer MediaControl MediaSensor BitWrapper CoordinateInterpolator4D DepthImage FFD Implicit XXLFM_Appearance XXLFM_BlendList XXLFM_FrameList XXLFM_LightMap XXLFM_SurfaceMapList XXLFM_ViewMapList MeshGrid NonLinearDeformer NurbsCurve NurbsCurve2D NurbsSurface OctreeImage XXParticles XXParticleInitBox XXPlanarObstacle XXPointAttractor PointTexture PositionAnimator PositionAnimator2D PositionInterpolator4D ProceduralTexture Quadric SBBone SBMuscle SBSegment SBSite SBSkinnedModel SBVCAnimation ScalarAnimator SimpleTexture SolidRep SubdivisionSurface SubdivSurfaceSector WaveletSubdivisionSurface Clipper2D ColorTransform Ellipse LinearGradient PathLayout RadialGradient SynthesizedTexture TransformMatrix2D Viewport XCurve2D XFontStyle XLineProperties 171 nodes supported - 0 nodes not supported Available X3D nodes in this build (dumping): Anchor Appearance Arc2D ArcClose2D AudioClip Background Billboard BooleanFilter BooleanSequencer BooleanToggle BooleanTrigger Box Circle2D Collision Color ColorInterpolator ColorRGBA Cone Contour2D ContourPolyline2D Coordinate CoordinateDouble Coordinate2D CoordinateInterpolator CoordinateInterpolator2D Cylinder CylinderSensor DirectionalLight Disk2D ElevationGrid EspduTransform Extrusion FillProperties Fog FontStyle GeoCoordinate GeoElevationGrid GeoLocation GeoLOD GeoMetadata GeoOrigin GeoPositionInterpolator GeoTouchSensor GeoViewpoint Group HAnimDisplacer HAnimHumanoid HAnimJoint HAnimSegment HAnimSite ImageTexture IndexedFaceSet IndexedLineSet IndexedTriangleFanSet IndexedTriangleSet IndexedTriangleStripSet Inline IntegerSequencer IntegerTrigger KeySensor LineProperties LineSet LoadSensor LOD Material MetadataDouble MetadataFloat MetadataInteger MetadataSet MetadataString MovieTexture MultiTexture MultiTextureCoordinate MultiTextureTransform NavigationInfo Normal NormalInterpolator NurbsCurve NurbsCurve2D NurbsOrientationInterpolator NurbsPatchSurface NurbsPositionInterpolator NurbsSet NurbsSurfaceInterpolator NurbsSweptSurface NurbsSwungSurface NurbsTextureCoordinate NurbsTrimmedSurface OrientationInterpolator PixelTexture PlaneSensor PointLight PointSet Polyline2D Polypoint2D PositionInterpolator PositionInterpolator2D ProximitySensor ReceiverPdu Rectangle2D ScalarInterpolator Script Shape SignalPdu Sound Sphere SphereSensor SpotLight StaticGroup StringSensor Switch Text TextureBackground TextureCoordinate TextureCoordinateGenerator TextureTransform TimeSensor TimeTrigger TouchSensor Transform TransmitterPdu TriangleFanSet TriangleSet TriangleSet2D TriangleStripSet Viewpoint VisibilitySensor WorldInfo 128 nodes supported - 0 nodes not supported Available SVG nodes in this build (dumping and LASeR coding): a animate animateColor animateMotion animateTransform animation audio circle defs desc discard ellipse font font-face font-face-src font-face-uri foreignObject g glyph handler hkern image line linearGradient listener metadata missing-glyph mpath path polygon polyline prefetch radialGradient rect script set solidColor stop svg switch tbreak text textArea title tspan use video conditional cursorManager rectClip selector simpleLayout UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode UndefinedNode 100 nodes supported Supported ISO 639 languages and codes: Abkhazian (abk - ab) Afar (aar - aa) Afrikaans (afr - af) Albanian (alb/sqi - sq) Amharic (amh - am) Arabic (ara - ar) Armenian (arm/hye - hy) Assamese (ast - as) Aymara (aym - ay) Azerbaijani (aze - az) Bashkir (bak - ba) Basque (baq/eus - eu) Belarusian (bel - be) Bengali (ben - bn) Bihari (bih - bh) Bislama (bis - bi) Breton (bre - br) Bulgarian (bul - bg) Burmese (bur/mya - my) Catalan (cat - ca) Chinese (chi/zho - zh) Corsican (cos - co) Croatian (scr/hrv - hr) Czech (cze/ces - cs) Danish (dan - da) Dutch (dut/nld - nl) Dzongkha (dzo - dz) English (eng - en) Esperanto (epo - eo) Estonian (est - et) Faroese (fao - fo) Fijian (fij - fj) Finnish (fin - fi) French (fre/fra - fr) Frisian (fry - fy) Gallegan (glg - gl) Georgian (geo/kat - ka) German (ger/deu - de) Greek, Modern (1453-) (gre/ell - el) Guarani (grn - gn) Gujarati (guj - gu) Hausa (hau - ha) Hebrew (heb - he) Hindi (hin - hi) Hungarian (hun - hu) Icelandic (ice/isl - is) Indonesian (ind - id) Interlingua (International Auxiliary Language Association) (ina - ia) Inuktitut (iku - iu) Inupiaq (ipk - ik) Irish (gle - ga) Italian (ita - it) Japanese (jpn - ja) Javanese (jav - jv) Kalaallisut (kal - kl) Kannada (kan - kn) Kashmiri (kas - ks) Kazakh (kaz - kk) Khmer (khm - km) Kinyarwanda (kin - rw) Kirghiz (kir - ky) Korean (kor - ko) Kurdish (kur - ku) Lao (lao - lo) Latin (lat - la) Latvian (lav - lv) Lingala (lin - ln) Lithuanian (lit - lt) Macedonian (mac/mkd - mk) Malagasy (mlg - mg) Malay (may/msa - ms) Maltese (mlt - mt) Maori (mao/mri - mi) Marathi (mar - mr) Moldavian (mol - mo) Mongolian (mon - mn) Nauru (nau - na) Nepali (nep - ne) Norwegian (nor - no) Occitan (post 1500) (oci - oc) Oriya (ori - or) Oromo (orm - om) Panjabi (pan - pa) Persian (per/fas - fa) Polish (pol - pl) Portuguese (por - pt) Pushto (pus - ps) Quechua (que - qu) Raeto-Romance (roh - rm) Romanian (rum/ron - ro) Rundi (run - rn) Russian (rus - ru) Samoan (smo - sm) Sango (sag - sg) Sanskrit (san - sa) Serbian (srp - sr) Serbo-Croatian (hbs - sh) Shona (sna - sn) Sindhi (snd - sd) Sinhalese (sin - si) Slovak (slo - sk) Slovenian (slv - sl) Somali (som - so) Sotho, Southern (sot - st) Spanish (spa - es) Sundanese (sun - su) Swahili (swa - sw) Swati (ssw - ss) Swedish (swe - sv) Tagalog (tgl - tl) Tajik (tgk - tg) Tamil (tam - ta) Tatar (tat - tt) Telugu (tel - te) Thai (tha - th) Tibetan (tib - bo) Tigrinya (tir - ti) Tonga (Nyasa) (tog - to) Tsonga (tso - ts) Tswana (tsn - tn) Turkish (tur - tr) Turkmen (tuk - tk) Twi (twi - tw) Uighur (uig - ug) Ukrainian (ukr - uk) Urdu (urd - ur) Uzbek (uzb - uz) Vietnamese (vie - vi) Volapük (vol - vo) Welsh (wel - cy) Wolof (wol - wo) Xhosa (xho - xh) Yiddish (yid - yi) Yoruba (yor - yo) Zhuang (zha - za) Zulu (zul - zu)