15.2 Summary of Errors by Tool and Module

 

HCOPY

+1030

Non-existent part of file specified
HCOPY needed to access a non-existent part of the input file. Check that the times are specified correctly, that the label file contains enough labels and that it corresponds to the data file.

Label file formatted incorrectly
HCOPY is only able to properly copy label files with the same number of levels/alternatives. When using labels with multiple alternatives only the first one is used to determine segment boundaries.

+1032

Appending files of different type/size/rate
Files that are joined together must have the same parameter kind and sample rate.

-1089

ALIEN format set
Input/output format has been set to ALIEN, ensure that this was intended.

HLIST

HLED

+1230

Edit script syntax error
The HLED command script contains a syntax error, check the input script against the descriptions of each command in section 13.8 or obtained by running HLEd -Q.

Operation invalid
You have either exceeded HLED limits on the number of boundaries that can be specified, tried to perform an operation on a non-existent level or tried to sort an auxiliary level into time order. None of these operations are supported.

+1232

Cannot find pronunciation
The dictionary does not contain a valid pronunciation (only occurs when attempting expansion from a dictionary).

-1289

ALIEN format set
Input/output format has been set to ALIEN, ensure that this was intended.

HLSTATS

No operation specified
You have invoked HLSTATS but have not specified an operation to be performed.

-1389

ALIEN format set
Input format has been set to ALIEN, ensure that this was intended.

HDMAN

Limit exceeded
HDMAN has several built in limits on the number of different pronunciation, phones, contexts and command arguments. This error occurs when you try to exceed one of them.

Item not found
Could not find item for deletion. Check that it actually occurs in the dictionary.

Edit script file syntax error
The HDMAN command script contains a syntax error, check the input script against the descriptions of each command in section 13.4 or obtained by running HDMan -Q.

Dictionary file syntax error
One of the input dictionaries contained a syntax error. Ensure that it is in a HTK readable form (see section 11.7).

HSLAB

-1589

ALIEN format set
Input/output format has been set to ALIEN, ensure that this was intended.

HCOMPV

+2020

HMM does not appear in HMMSet
Supplied HMM filename does not appear in HMMSet. Check correspondence between HMM filename and HMMSet.

+2021

Not enough data to calculate variance
There are not enough frames of data to evaluate a reliable estimate of variance. Use more data.

+2030

Needs continuous models
HCompV can only operate on models with an HMM set kind of PLAINHS or SHAREDHS.

+2050

Data does not match HMM
An aspect of the data does not match the equivalent aspect in the HMMSet. Check the parameter kind of the data.

-2089

ALIEN format set
Input format has been set to ALIEN, ensure that this was intended.

HINIT

+2120

Unknown update flag
Unknown flag set by -u option, use combinations of tmvw.

+2121

Too little data
Not enough data to reliably estimate parameters. Use more training data.

+2122

Segment with fewer frames than model states
Segment may be too short to be matched to model, do not use this segment for training.

+2123

Cannot mix covariance kind in a single mix
Covariance kind of all mixture components in any one state must be the same.

+2124

Bad covariance kind
Covariance kind of mixture component must be either FULLC or DIAGC.

+2125

No best mix found
The Viterbi mixture component allocation failed to find a most likely component with this data. Check that data is not corrupt and that parameter values produced by the initial uniform segmentation are reasonable.

+2126

No path through segment
The Viterbi segmentation failed to find a path through model with this data. Check that data is not corrupt and that a valid path exists through the model.

+2127

Zero occurrence count
Parameter has had no data assigned to it and cannot be updated. Ensure that each parameter can be estimated by using more training data or fewer parameters.

+2129

HMM not found
HMM missing from HMMSet. Check that the HMMSet is complete and has not been corrupted.

+2150

Data does not match HMM
An aspect of the data does not match the equivalent aspect in the HMMSet. Check the parameter kind of the data.

+2170

Index out of range
Trying to access a mixture component or VQ index beyond the range in the current HMM.

-2189

ALIEN format set
Input format has been set to ALIEN, ensure that this was intended.

HREST

+2220

Unknown update flag
Unknown flag set by -u option, use combinations of tmvw.

+2221

Too few training examples
There are fewer training examples than the minimum set by the -m option (default 3). Either reduce the value specified by -m or use more training examples.

+2222

Zero occurrence count
Parameter has had no data assigned to it and cannot be updated. Ensure that each parameter can be estimated by using more training data or fewer parameters.

+2223

Floor too high
Mix weight floor has been set so high that the sum over all mixture components exceeds unity. Reduce the floor value.

-2225

Defunct Mix X.Y.Z
Not enough training data to re-estimate the covariance vector of mixture component Z in stream Y of state X. The weight of the mixture component is set to 0.0 and it will never recover even with further training.

+2226

No training data
None of the supplied training data could be used to re-estimate the model. Data may be corrupt.

+2250

Data does not match HMM
An aspect of the data does not match the equivalent aspect in the HMMSet. Check the parameter kind of the data.

-2289

ALIEN format set
Input format has been set to ALIEN, ensure that this was intended.

HEREST

+2320

Unknown update flag
Unknown flag set by -u option, use combinations of tmvw.

+2321

Unknown model
Model in HMM List not found in HMMSet, check that the correct HMM List is being used.

+2322

Invalid output probability
Mixture component probability has not been set. This should not occur in normal use.

+2323

Beta prune failed on taper
Utterance is possibly too short for minimum duration of model sequence. Check transcription.

-2324

No path through utterance
No path was found on the beta training pass, relax the pruning threshold.

+2325

Empty label file
No labels found in label file, check label file.

-2326

No transitions
No transition out of an emitting state, ensure that there is a transition path from beginning to end of model.

+2327

Floor too high
Mix weight floor has been set so high that the sum over all mixture components exceeds unity. Reduce the floor value.

+2328

No mixtures above floor
None of the mixture component weights are greater than the floor value, reduce the floor value.

-2330

Zero occurrence count
Parameter has had no data assigned to it and cannot be updated. Ensure that each parameter can be estimated by using more training data or fewer parameters.

-2331

Not enough training examples
Model was not updated as there were not enough training examples. Either reduce the minimum specified by -m or use more data.

+2350

Data does not match HMM
An aspect of the data does not match the equivalent aspect in the HMMSet. Check the parameter kind of the data.

-2389

ALIEN format set
Input format has been set to ALIEN, ensure that this was intended.

HSMOOTH

+2420

Unknown update flag
Unknown flag set by -u option, use combinations of tmvw.

+2421

Invalid HMM set kind
HSMOOTH can only be used if HMM set kind is either DISCRETE or TIED.

+2422

Too many monophones in list
HSMOOTH is limited to HMMSets containing fewer than 500 monophones.

+2423

Different number of states for smoothing
Monophones and context-dependent models have differing numbers of states.

-2424

No transitions
No transition out of an emitting state, ensure that there is a transition path from beginning to end of model.

+2425

Floor too high
Mix weight floor has been set so high that the sum over all mixture components exceeds unity. Reduce the floor value.

-2427

Zero occurrence count
Parameter has had no data assigned to it and cannot be updated. Ensure that each parameter can be estimated by using more training data or fewer parameters.

-2428

Not enough training examples
Model was not updated as there were not enough training examples. Either reduce the minimum specified by -m or use more data.

HQUANT

+2530

Stream widths invalid
The chosen stream widths are invalid. Check that these match the parameter kind and are specified correctly.

+2531

Data does not match codebook
Ensure that the parameter kind of the data matches that of the codebook being generated.

HHED

Tying null or different sized items
You have executed a tie command on items which do not have the appropriate structure or the structures are not matched. Ensure that the item list refers only to the items that you wish to tie together.

-2631

Performing operation on no items
The item list was empty, no operation is performed.

+2632

Command parameter invalid
The parameters to the command are invalid either because they refer to parts of the model that do not exist (for instance a state that does not appear in the model) or because they do not represent an acceptable value (for instance HMMSet kind is not PLAINHS, SHAREDHS, TIEDHS or DISCRETEHS).

+2634

Join parameters invalid or not set
Make sure than the join parameters (set by the JO command) are reasonable. In particular take care that the floor is low enough to ensure that when summed over all the mixture components the sum is below 1.0.

+2635

Cannot find matching item
Search for specified item was unsuccessful. When this occurs with the CL or MT commands ensure that the appropriate monophone/biphone models are in the current HMMSet.

-2637

Small gConst
A small gConst indicates a very low variance in that particular Gaussian. This could be indicative of over-training of the models.

-2638

No typical state
When tying states together a search is performed for the distribution with largest variance and all tied states share this distribution. If this cannot be found the first in the list will be used instead.

-2639

Long macro name
In general macro names should not exceed 20 characters in length.

+2640

Not implemented
You have asked HHED to perform a function that is not implemented.

+2641

Invalid stream split
The specified number/width of the streams does not agree with the parameter kind/vector size of the models.

+2650

Edit script syntax error
The HHED command script contains a syntax error, check the input script against the descriptions of each command in section 13.6 or obtained by running HHEd -Q.

+2651

Command range error
The value specified in the command script is out of range. Ensure that the specified state exists and the the value given is valid.

Stats file load error
Either loading occupation statistics for the second time or executing an operation that needs the statistics loaded without loading them.

+2660

Trees file syntax error
The trees file format did not correspond to that expected. Ensure that the file is complete and has not been corrupted.

+2661

Trees file macro/question not recognised
The question or macro referred to does not exist. Ensure that the file is complete and has not been corrupted.

+2662

Trying to sythesize for unknown model
There is no tree or prototype model for the new context. Ensure that a tree has been constructed for the base phone.

Invalid types to tree cluster
Tree clustering will only work for single Gaussian untied models of similar topology.

HBUILD

Mismatch between command line and language model
Ensure that the !ENTER and !EXIT words are correctly defined and that the supplied files are of the appropriate type.

Unknown word
Ensure that the word list corresponds to the language model/lattice supplied.

HPARSE

Variable not defined
You have referenced a network that has not yet been defined. Check that all networks are defined before they are referenced.

Loop or word expansion error
There is either a mismatch between the WD_BEGIN WD_END pairs or a triphone loop is badly formed.

Dictionary error
When generating a dictionary a word exceeded the maximum number of phones, a word occurred twice or no dictionary was produced.

Syntax error in HParse file
The HPARSE network definition contains a syntax error, check the input file against the network description in section 13.1.

HVITE

Unsupported operation
HVITE is not able to perform the operation requested

Data does not match HMMs
There is a mismatch between the data file and the HMMSet. Ensure that the data is parameterised in the correct format and the configuration parameters match those used during training.

-3289

ALIEN format set
Input/output format has been set to ALIEN, ensure that this was intended.

HRESULTS

-3330

Empty file
The file was empty and will be skipped.

+3331

Unknown label
The label did not appear in the list supplied to HResults. This error will only occur if calculating confusion matrices so normally the contents of the word list file will have no effect on results.

+3332

Too many labels
HRESULTS will only generate confusion statistics for a small number of labels.

Cannot calculate word spot results
When calculating word spotting results the label files need to have both times and scores present.

-3389

ALIEN format set
Input format has been set to ALIEN, ensure that this was intended.

HSHELL

+5020

Command line processing error

+5021

Command line argument type error

+5022

Command line argument range error
The command line is badly formed. Ensure that it matches the syntax and values expected by the command (check the manual page or the syntax obtained by running HTOOL without any arguments).

+5050

Configuration file format error
HSHELL was unable to parse the configuration. Check that it is of the format described in section 4.3.

+5051

Script file format error
Check that the script file is just a list of file names and that if any file names are quoted that the quotes occur in pairs.

+5070

Module version syntax error
A module registered with HShell with an incorrectly formatted version string (which should be of the form "!HVER!HModule: Vers.str [WHO DD/MM/YY]").

+5071

Too many configuration parameters
The size of the buffer used by one of the tools or modules to read its configuration parameters was exceeded. Either reduce the total number of configuration parameters in the file or make more of then specific to their particular module rather than global.

+5072

Configuration parameter of wrong type
The configuration parameter is of the wrong type. Check that its type agrees with that shown in chapter 14.

+5073

Configuration parameter out of range
The configuration parameter is out of range.

HMEM

+5170

Heap parameters invalid
You have tried to create a heap with unreasonable parameters. Adjust these so that the growth factor is positive and the initial block size is no larger than the maximum. For MSTAK the element size should be 1.

+5171

Heap not found
The specified heap could not be found, ensure that it has not been deleted or memory overwritten.

+5172

Heap does not support operation
The heap is of the wrong type to support the requested operation. In particular it is not possible to Reset or Delete a CHEAP.

+5173

Wrong element size for MHEAP
You have tried to allocate an item of the wrong size from a MHEAP. All items on a MHEAP must be of the same size.

+5174

Heap not initialised
You have tried to allocate an item on a heap that has not yet been created. Ensure that CreateHeap is called to initialise the heap before any items are allocated from it.

+5175

Freeing unseen item
You have tried to free an item from the wrong heap. This can occur if the wrong heap is specified, the item pointer has been corrupted or the item has already been freed implicitly by a Reset/DeleteHeap call.

HMATH

+5220

Singular covariance matrix
The covariance matrix was not invertible. This may indicate a lack of training data or linearly dependent parameters.

+5270

Size mismatch
The input parameters were of incompatible sizes.

+5271

Log of negative
Result would be logarithm of a negative number.

HSIGP

+5320

No results for WaveToLPC
Call did not include Vectors for the results.

+5321

Vector size mismatch
Input vectors were of mismatched sizes.

-5322

Clamped samples during zero mean
During a zero mean operation samples were clipped as they were outside the allowable range.

HAUDIO

+6020

Replay buffer not active
Attempt to access a replay buffer when one was not attached.

+6021

Cannot StartAudio without measuring silence
An attempt was made to start audio input through the silence detector without first measuring or supplying the background silence values.

+6070

Audio frame size/rate invalid
The choice of frame period and window duration are invalid. Check both these and the sample rate.

-6071

Setting speech threshold below silence
The thresholds used in the speech detector have been set so that the threshold for detecting speech is set below that of detecting silence.

HVQ

+6150

VQ file format error
The VQ file was incorrectly formatted. Ensure that the file is complete and has not been corrupted.

+6151

VQ file range error
A value from the VQ file was out of range. Ensure that the file is complete and has not been corrupted.

+6170

Magic number mismatch
The VQ magic number (normally based on parameter kind) does not match that expected. Check that the parameter kind used to quantise the data and create the VQ table matches the current parameter kind.

+6171

VQ table already exists
All VQ tables must have distinct names. This error will occur if you try to create or load a VQ table with the same name as one already loaded.

+6172

Invalid covariance kind
Entries in VQ tables must have either NULLC, FULLC or INVDIAGC covariance kind.

+6173

Node not in table
A node was missing from the VQ table. Ensure that the VQ table was properly created or that the file was complete.

+6174

Stream codebook mismatch
The number or size of streams in the VQ table does not match that requested.

HWAVE

+6220

Cannot fseek/ftell
Unless the wave file is read through a pipe fseek and ftell are expected to work correctly so that HWAVE can calculate the file size. If this error occurs when using an input pipe, supply the number of samples in the file using the configuration variable NSAMPLES.

+6221

File appears to be a infinite
HWAVE cannot determine the size of the file.

+6230

Config parameter not set
A necessary configuration parameter has not been set. Determine the correct value and place this in the configuration file before re-invoking the tool.

+6250

Premature end of header
HWAVE could not read the complete file header.

+6251

Header contains invalid data
HWAVE was unable to successfully parse the header. The header is invalid, of the wrong type or be a variation that HWAVE does not handle.

+6252

Header missing essential data
The header was missing a piece of information necessary for HWAVE to load the file. Check the processing of the input file and re-process if necessary.

+6253

Premature end of data
The file ended before all the data was read correctly. Check that the file is complete, has not been corrupted and where necessary NSAMPLES is set correctly.

+6254

Data formated incorrectly
The data could not be decoded properly. Check that the file was complete and processed correctly.

+6270

File format invalid
The file format is not valid for the operation requested.

+6271

Attempt to read outside file
You have tried to read a sample outside of the waveform file.

HPARM

+6320

Configuration mismatch
The data file does not match the configuration. Check the configuration file is correct.

+6321

Invalid parameter kind
Parameter kind is not valid. Check the configuration file.

+6322

Conversion not possible
The specified conversion is not possible. Check the configuration is correct and re-code the data from waveform files if necessary.

+6323

Audio error
An audio error has been detected. Check the HAUDIO configuration and the audio device.

+6324

Buffer not initialised
Ensure that the buffer is used in the correct manner.

+6350

CRC error
The CRC does not match that of the data. Check the data file is complete and has not been corrupted.

-6351

Byte swapping not possible
HPARM will attempt to byte swap parameter files but this may not work if the floating point representation of the machine that generated the file is different from that which is reading it.

+6352

File too short to parameterise
The file does not contain enough data to produce a single observation. Check the file is complete and not corrupt. If it is, it should be discarded.

+6370

Unknown parameter kind
The specified parameter kind is not recognised. Refer to section 5.15 for a list of allowable parameter kinds and qualifiers.

+6371

Invalid parameters for coding
The chosen parameters are not valid for coding. Choose different ones.

+6372

Stream widths not valid
Cannot split the data into the specified number of streams. Check that the parameter kind is correct and matches any models used.

+6373

Buffer/observation mismatch
The observation parameter kind should match that of the input buffer. Check that the configuration parameter kind is correct and matches that of any models used.

+6374

Buffer size too small for window
Calculation of delta parameters requires a window larger than the buffer size chosen. Increase the size of the buffer.

+6375

Frame not in buffer
An attempt was made to access a frame that does not appear in the buffer. Make sure that the file actually contains the specified frame.

HLABEL

+6520

MLF index out of range
An attempt was made to access an MLF that has not been loaded or to load too many MLFs.

+6521

fseek/ftell not possible
HLABEL needs random access to MLFs. This error is generated when this is not possible (for instance if access is via a pipe).

+6550

HTK format error

+6551

MLF format error

+6552

TIMIT format error

ESPS format error

+6554

SCRIBE format error
A label file was formatted incorrectly. Label file formats are described in chapter 6.

+6570

Level out of range
Attempted to access a non-existent label level. Check that the correct label file has been loaded.

+6571

Label out of range
Attempted to access a non-existent label. Check that the correct label file has been loaded and that the correct level is being accessed.

+6572

Invalid format
The specified file format is not valid for the particular operation.

HMODEL

+7020

Cannot find physical HMM
No physical HMM exists for a particular logical model. Check that the HMMSet was loaded or created correctly.

+7021

INVDIAG internal format
Attempts to load or save models with INVDIAG covariance kind will fail as this is a purely internal model format.

varFloor should be variance floor
HMODEL reserves the macro name varFloorN as the variance floor for stream N. These should be variance macros (type v) of the correct size for the particular stream.

+7024

Variance tending to 0.0
A variance has become too low. Start using a variance floor or increase the amount of training data.

+7030

HMM set incomplete or inconsistent
The HMMSet contained missing or inconsistent data. Check that the file is complete and has not been corrupted.

+7031

HMM parameters inconsistent
Some model parameters were inconsistent. Check that the file is complete and has not been corrupted.

Option mismatch
All HMMs in a particular set must have consistent options.

+7035

Unknown macro
Macro does not exist. Check that the name is correct and appears in the HMMSet.

+7036

Duplicate macro
Attempted to create a macro with the same name as one already present. Choose a different name.

+7037

Invalid macro
Macro had invalid type. See section 7.3 describes the allowable macro types.

+7050

Model file format error

+7060

HMM List format error
The file was formated incorrectly. Check the file is complete and has not been corrupted.

+7070

Invalid HMM kind
Invalid HMMSet kind. Check that this is specified correctly.

+7071

Observation not compatible with HMMSet
Attempted to calculate an observation likelihood for an observation not compatible with the HMMSet. Check that the parameter kind is set correctly.

HTRAIN

+7120

Clustering failed
Almost certainly due to a lack of data, reduce the number of clusters requested or increase amount of data.

+7150

Accumulator file format error
Cannot read an item from an accumulator file. Check that file is complete and not corrupted.

+7170

Unsupported covariance kind
Covariance kind must be either FULLC, DIAGC or INVDIAGC.

+7171

Item out of range
Attempt made to access data beyond expected range. Check that the item number is correct.

+7172

Tree size must be power of 2
Requested codebook size must be a power of 2 when using tree based clustering.

-7173

Segment empty
Empty data segment in file. Check that file has not become corrupted and that the start and end segment times are correct.

HUTIL

+7220

HMMSet empty
A scan was initiated for a HMMSet with no members.

+7230

Item list parse error
The item list syntax was incorrect. Check the item list specification in section 13.6.

+7231

Item list type error
Each item in a particular list should be of the same type and size.

+7250

Stats file format error
Stats file is of wrong format. Note the format of the stats file has changed in HTK_V2.0 and old files will need converting to the new format.

+7251

Stats file model error
A model name encountered in the stats file is invalid check that the model set corresponds to that used to generate the stats file and that the stats file is complete and has not been corrupted.

+7270

Accessing non-existent macro
Attempt to perform operation on non-existent macro.

+7271

Member id out of range
Attempt to perform set operation on out of range member.

HDICT

+8050

Dictionary file format error
The dictionary file is not correctly formatted. Section 11.7 describes the HTK dictionary file format.

HLM

+8150

LM syntax error
The language model file was formatted incorrectly. Check the file is complete and has not been corrupted.

LM range error
The specified value(s) for the language model probability are not valid. Check the input files are correct.

HNET

+8220

No such word
The specified word does not exist or does not have a valid pronunciation.

+8230

Contexts not consistent
HNET can only deal with the standard HTK method for specifying context left-phone+right and will only allow context free phones if they are context independent and only form part of the word.

+8231

No such model
A particular model could not be found. Make sure that the network is being expanded in the correct fashion and then ensure that your HMM list will cover all required contexts.

+8232

Lattice badly formed
Could not convert lattice to network. The lattice should have a single well defined start and a single well defined end. When cross word expansion is being performed the number of !NULL words that can be concatenated in a string is limited.

+8250

Lattice format error
The lattice file is formatted incorrectly. Ensure that the lattice is of the format described in chapter 16.

+8251

Lattice file data error
The value specified in the lattice file is invalid.

+8252

Lattice file with multiple start/end nodes
A lattice should have only one well defined start node and one well defined end node.

HREC

Invalid HMM
One of the HMMs in the network is invalid. Check that the HMMSet has been correctly initialised.

+8521

Network structure invalid
The network is incorrectly structured. Take care to avoid loops that can be traversed without consuming observations (this may occur if you introduce any 'tee' words in which all the models making up that word contain tee-transitions). Also ensure that the recogniser and the network have been created and initialised correctly.

+8522

Lattice structure invalid
The lattice was incorrectly formed. Ensure that the lattice was created properly.

Recogniser not initialised correctly
Ensure the recogniser is initialised and used correctly.

+8571

Data does not match HMMs
The observation does not match the HMM structure. Check the parameter kind of the data and ensure that the data is matched to the HMMs.

HGRAF

+6870

X11 error
Ensure that the DISPLAY variable is set and that the X11 window system is configured correctly.