SaveThatWave not working

[chymel]

I’m running OpenEars 2.0 and have downloaded and installed SaveThatWave in my project. I’ve followed the documentation to the letter but it is not working. This delegate method is never called:

- (void) wavWasSavedAtLocation:(NSString *)location

I originally had OEPocketsphinxController running in a singelton class and that was why SaveThatWave was not working. So I moved it all over to a UIViewController class and it’s still not recording any audio.

Has anyone found a fix for this?

[Halle Winkler]

Welcome,

It’s definitely working, so I think the issue is going to be with your implementation. Did you set up your OEPocketsphinxController and SaveThatWave implementation using the tutorial?

[chymel]

I did follow it exactly and I’m able to get OpenEars and OEPocketsphinxController to function properly.

Outside of instantiation of SaveThatWaveController, all I should be doing to start recording is this correct?

    [[OEPocketsphinxController sharedInstance] startListeningWithLanguageModelAtPath:lmPath
                                                                    dictionaryAtPath:dicPath
                                                                 acousticModelAtPath:[OEAcousticModel pathToModel:@"AcousticModelEnglish"]
                                                                 languageModelIsJSGF:NO];
    
    [self.saveThatWaveController start];

[Halle Winkler]

There are a few more steps in the tutorial, starting with the section titled “Preparing to use Plugins”.

[chymel]

In the SaveThatWave introduction and installation manual? Do you have a link to the tutorial you are referencing?

[Halle Winkler]

Check out https://www.politepix.com/openears/tutorial

[chymel]

I’m sorry but it’s still not working. I’ve followed the tutorial which before I wasn’t adding the linker flags but now I am, both the target and project.

I hate to dump code but this is my .m file. I can’t find anything wrong?

//
//  ViewController.m
//  OpenEarsTest
//

#import "ViewController.h"
#import <OpenEars/OELanguageModelGenerator.h>
#import <OpenEars/OEAcousticModel.h>
#import <OpenEars/OEPocketsphinxController.h>
#import <OpenEars/OEAcousticModel.h>
#import <OpenEars/OEEventsObserver.h>
#import <SaveThatWaveDemo/OEEventsObserver+SaveThatWave.h>
#import <SaveThatWaveDemo/SaveThatWaveController.h>

@interface ViewController () <OEEventsObserverDelegate>

@property AVAudioPlayer *musicPlayer;
@property NSString *audioFilePath;

@property (strong, nonatomic) OEEventsObserver *openEarsEventsObserver;
@property (strong, nonatomic) SaveThatWaveController *saveThatWaveController;

@end

@implementation ViewController
@synthesize saveThatWaveController;

- (void) pocketsphinxDidReceiveHypothesis:(NSString *)hypothesis recognitionScore:(NSString *)recognitionScore utteranceID:(NSString *)utteranceID {
    NSLog(@"The received hypothesis is %@ with a score of %@ and an ID of %@", hypothesis, recognitionScore, utteranceID);
}

- (void) pocketsphinxDidStartListening {
    NSLog(@"Pocketsphinx is now listening.");
}

- (void) pocketsphinxDidDetectSpeech {
    NSLog(@"Pocketsphinx has detected speech.");
}

- (void) pocketsphinxDidDetectFinishedSpeech {
    NSLog(@"Pocketsphinx has detected a period of silence, concluding an utterance.");
}

- (void) pocketsphinxDidStopListening {
    NSLog(@"Pocketsphinx has stopped listening.");
}

- (void) pocketsphinxDidSuspendRecognition {
    NSLog(@"Pocketsphinx has suspended recognition.");
}

- (void) pocketsphinxDidResumeRecognition {
    NSLog(@"Pocketsphinx has resumed recognition.");
}

- (void) pocketsphinxDidChangeLanguageModelToFile:(NSString *)newLanguageModelPathAsString andDictionary:(NSString *)newDictionaryPathAsString {
    NSLog(@"Pocketsphinx is now using the following language model: \n%@ and the following dictionary: %@",newLanguageModelPathAsString,newDictionaryPathAsString);
}

- (void) pocketSphinxContinuousSetupDidFailWithReason:(NSString *)reasonForFailure {
    NSLog(@"Listening setup wasn't successful and returned the failure reason: %@", reasonForFailure);
}

- (void) pocketSphinxContinuousTeardownDidFailWithReason:(NSString *)reasonForFailure {
    NSLog(@"Listening teardown wasn't successful and returned the failure reason: %@", reasonForFailure);
}

- (void) testRecognitionCompleted {
    NSLog(@"A test file that was submitted for recognition is now complete.");
}

//This is never called
- (void) wavWasSavedAtLocation:(NSString *)location {
    NSLog(@"WAV was saved at the path %@", location);
    self.audioFilePath = location;
}

- (IBAction)startPlayback:(id)sender {
    
    [self.saveThatWaveController stop];
    
    [[OEPocketsphinxController sharedInstance] stopListening];
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        NSLog(@"%@", self.audioFilePath); // this returns (null)
        
        NSURL *fileURL = [NSURL URLWithString:self.audioFilePath];
        
        NSError *error;
        self.musicPlayer = [[AVAudioPlayer alloc]
                            initWithContentsOfURL:fileURL error:&error];
        
        if (error) {
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Playback Error" message:@"There was a problem playing the file." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles: nil];
            [alert show];
            NSLog(@"%@", error);
        }
        else {
            [self.musicPlayer prepareToPlay];
            [self.musicPlayer play];
        }
        

    });
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
    self.openEarsEventsObserver = [[OEEventsObserver alloc] init];
    [self.openEarsEventsObserver setDelegate:self];
    
    self.saveThatWaveController = [[SaveThatWaveController alloc] init];
    
    OELanguageModelGenerator *lmGenerator = [[OELanguageModelGenerator alloc] init];
    
    NSArray *words = [NSArray arrayWithObjects:@"WORD", @"STATEMENT", @"OTHER WORD", @"A PHRASE", nil];
    NSString *name = @"NameIWantForMyLanguageModelFiles";
    NSError *err = [lmGenerator generateLanguageModelFromArray:words withFilesNamed:name forAcousticModelAtPath:[OEAcousticModel pathToModel:@"AcousticModelEnglish"]]; // Change "AcousticModelEnglish" to "AcousticModelSpanish" to create a Spanish language model instead of an English one.
    
    NSString *lmPath = nil;
    NSString *dicPath = nil;
    
    if(err == nil) {
        
        lmPath = [lmGenerator pathToSuccessfullyGeneratedLanguageModelWithRequestedName:@"NameIWantForMyLanguageModelFiles"];
        dicPath = [lmGenerator pathToSuccessfullyGeneratedDictionaryWithRequestedName:@"NameIWantForMyLanguageModelFiles"];
        
    } else {
        NSLog(@"Error: %@",[err localizedDescription]);
    }
    
    [[OEPocketsphinxController sharedInstance] setActive:TRUE error:nil];
    [[OEPocketsphinxController sharedInstance] startListeningWithLanguageModelAtPath:lmPath dictionaryAtPath:dicPath acousticModelAtPath:[OEAcousticModel pathToModel:@"AcousticModelEnglish"] languageModelIsJSGF:NO]; // Change "AcousticModelEnglish" to "AcousticModelSpanish" to perform Spanish recognition instead of English.
    
    [self.saveThatWaveController start]; // For saving WAVs from OpenEars or RapidEars
    
    
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

[Halle Winkler]

What is the logging output on this session? Please check out the post Please read before you post – how to troubleshoot and provide logging info here so you can see how to turn on and share the logging that provides troubleshooting information for this kind of issue.

[chymel]

(I really appreciate your help and fast responses)

Device: iPhone 5
iOS: 8.3

Log:

2015-05-07 16:09:24.455 OpenEarsTest[7002:2781753] Starting OpenEars logging for OpenEars version 2.03 on 32-bit device (or build): iPhone running iOS version: 8.300000
2015-05-07 16:09:24.457 OpenEarsTest[7002:2781753] Creating shared instance of OEPocketsphinxController
2015-05-07 16:09:24.463 OpenEarsTest[7002:2781753] Attempting to start listening session from startListeningWithLanguageModelAtPath:
2015-05-07 16:09:24.473 OpenEarsTest[7002:2781753] User gave mic permission for this app.
2015-05-07 16:09:24.474 OpenEarsTest[7002:2781753] setSecondsOfSilence wasn't set, using default of 0.700000.
2015-05-07 16:09:24.475 OpenEarsTest[7002:2781753] Successfully started listening session from startListeningWithLanguageModelAtPath:
2015-05-07 16:09:24.475 OpenEarsTest[7002:2781772] Starting listening.
2015-05-07 16:09:24.476 OpenEarsTest[7002:2781772] about to set up audio session
2015-05-07 16:09:24.790 OpenEarsTest[7002:2781787] Audio route has changed for the following reason:
2015-05-07 16:09:24.819 OpenEarsTest[7002:2781787] There was a category change. The new category is AVAudioSessionCategoryPlayAndRecord
2015-05-07 16:09:25.181 OpenEarsTest[7002:2781772] done starting audio unit
INFO: cmd_ln.c(702): Parsing command line:
\
	-lm /var/mobile/Containers/Data/Application/530E1CD4-840F-4D4D-95D9-ABB9F30B202F/Library/Caches/NameIWantForMyLanguageModelFiles.DMP \
	-vad_prespeech 10 \
	-vad_postspeech 69 \
	-vad_threshold 2.000000 \
	-remove_noise yes \
	-remove_silence yes \
	-bestpath yes \
	-lw 6.500000 \
	-dict /var/mobile/Containers/Data/Application/530E1CD4-840F-4D4D-95D9-ABB9F30B202F/Library/Caches/NameIWantForMyLanguageModelFiles.dic \
	-hmm /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle 

Current configuration:
[NAME]		[DEFLT]		[VALUE]
-agc		none		none
-agcthresh	2.0		2.000000e+00
-allphone			
-allphone_ci	no		no
-alpha		0.97		9.700000e-01
-argfile			
-ascale		20.0		2.000000e+01
-aw		1		1
-backtrace	no		no
-beam		1e-48		1.000000e-48
-bestpath	yes		yes
-bestpathlw	9.5		9.500000e+00
-bghist		no		no

-ceplen		13		13
-cmn		current		current
-cmninit	8.0		8.0
-compallsen	no		no
-debug				0
-dict				/var/mobile/Containers/Data/Application/530E1CD4-840F-4D4D-95D9-ABB9F30B202F/Library/Caches/NameIWantForMyLanguageModelFiles.dic
-dictcase	no		no
-dither		no		no
-doublebw	no		no
-ds		1		1
-fdict				
-feat		1s_c_d_dd	1s_c_d_dd
-featparams			
-fillprob	1e-8		1.000000e-08
-frate		100		100
-fsg				
-fsgusealtpron	yes		yes
-fsgusefiller	yes		yes
-fwdflat	yes		yes
-fwdflatbeam	1e-64		1.000000e-64
-fwdflatefwid	4		4
-fwdflatlw	8.5		8.500000e+00
-fwdflatsfwin	25		25
-fwdflatwbeam	7e-29		7.000000e-29
-fwdtree	yes		yes
-hmm				/private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle
-input_endian	little		little
-jsgf				
-kdmaxbbi	-1		-1
-kdmaxdepth	0		0
-kdtree				
-keyphrase			
-kws				
-kws_plp	1e-1		1.000000e-01
-kws_threshold	1		1.000000e+00
-latsize	5000		5000
-lda				
-ldadim		0		0
-lextreedump	0		0
-lifter		0		0
-lm				/var/mobile/Containers/Data/Application/530E1CD4-840F-4D4D-95D9-ABB9F30B202F/Library/Caches/NameIWantForMyLanguageModelFiles.DMP
-lmctl				
-lmname				
-logbase	1.0001		1.000100e+00
-logfn				
-logspec	no		no
-lowerf		133.33334	1.333333e+02
-lpbeam		1e-40		1.000000e-40
-lponlybeam	7e-29		7.000000e-29
-lw		6.5		6.500000e+00
-maxhmmpf	10000		10000
-maxnewoov	20		20
-maxwpf		-1		-1
-mdef				
-mean				
-mfclogdir			
-min_endfr	0		0
-mixw				
-mixwfloor	0.0000001	1.000000e-07
-mllr				
-mmap		yes		yes
-ncep		13		13
-nfft		512		512
-nfilt		40		40
-nwpen		1.0		1.000000e+00
-pbeam		1e-48		1.000000e-48
-pip		1.0		1.000000e+00
-pl_beam	1e-10		1.000000e-10
-pl_pbeam	1e-5		1.000000e-05
-pl_window	0		0
-rawlogdir			
-remove_dc	no		no
-remove_noise	yes		yes
-remove_silence	yes		yes
-round_filters	yes		yes
-samprate	16000		1.600000e+04
-seed		-1		-1
-sendump			
-senlogdir			
-senmgau			
-silprob	0.005		5.000000e-03
-smoothspec	no		no
-svspec				
-tmat				
-tm2015-05-07 16:09:25.186 OpenEarsTest[7002:2781787] This is not a case in which OpenEars notifies of a route change. At the close of this function, the new audio route is ---HeadphonesMicrophoneBuiltIn---. The previous route before changing to this route was <AVAudioSessionRouteDescription: 0x1756fa10, 
inputs = (null); 
outputs = (
    "<AVAudioSessionPortDescription: 0x1756f5e0, type = Headphones; name = Headphones; UID = Wired Headphones; selectedDataSource = (null)>"
)>.
atfloor	0.0001		1.000000e-04
-topn		4		4
-topn_beam	0		0
-toprule			
-transform	legacy		legacy
-unit_area	yes		yes
-upperf		6855.4976	6.855498e+03
-usewdphones	no		no
-uw		1.0		1.000000e+00
-vad_postspeech	50		69
-vad_prespeech	10		10
-vad_threshold	2.0		2.000000e+00
-var				
-varfloor	0.0001		1.000000e-04
-varnorm	no		no
-verbose	no		no
-warp_params			
-warp_type	inverse_linear	inverse_linear
-wbeam		7e-29		7.000000e-29
-wip		0.65		6.500000e-01
-wlen		0.025625	2.562500e-02

INFO: cmd_ln.c(702): Parsing command line:
\
	-nfilt 25 \
	-lowerf 130 \
	-upperf 6800 \
	-feat 1s_c_d_dd \
	-svspec 0-12/13-25/26-38 \
	-agc none \
	-cmn current \
	-varnorm no \
	-transform dct \
	-lifter 22 \
	-cmninit 40 

Current configuration:
[NAME]		[DEFLT]		[VALUE]
-agc		none		none
-agcthresh	2.0		2.000000e+00
-alpha		0.97		9.700000e-01
-ceplen		13		13
-cmn		current		current
-cmninit	8.0		40
-dither		no		no
-doublebw	no		no
-feat		1s_c_d_dd	1s_c_d_dd
-frate		100		100
-input_endian	little		little
-lda				
-ldadim		0		0
-lifter		0		22
-logspec	no		no
-lowerf		133.33334	1.300000e+02
-ncep		13		13
-nfft		512		512
-nfilt		40		25
-remove_dc	no		no
-remove_noise	yes		yes
-remove_silence	yes		yes
-round_filters	yes		yes
-samprate	16000		1.600000e+04
-seed		-1		-1
-smoothspec	no		no
-svspec				0-12/13-25/26-38
-transform	legacy		dct
-unit_area	yes		yes
-upperf		6855.4976	6.800000e+03
-vad_postspeech	50		69
-vad_prespeech	10		10
-vad_threshold	2.0		2.000000e+00
-varnorm	no		no
-verbose	no		no
-warp_params			
-warp_type	inverse_linear	inverse_linear
-wlen		0.025625	2.562500e-02

INFO: acmod.c(252): Parsed model-specific feature parameters from /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/feat.params
INFO: feat.c(715): Initializing feature stream to type: '1s_c_d_dd', ceplen=13, CMN='current', VARNORM='no', AGC='none'
INFO: cmn.c(143): mean[0]= 12.00, mean[1..12]= 0.0
INFO: acmod.c(171): Using subvector specification 0-12/13-25/26-38
INFO: mdef.c(518): Reading model definition: /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/mdef
INFO: mdef.c(531): Found byte-order mark BMDF, assuming this is a binary mdef file
INFO: bin_mdef.c(336): Reading binary model definition: /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/mdef
INFO: bin_mdef.c(516): 46 CI-phone, 168344 CD-phone, 3 emitstate/phone, 138 CI-sen, 6138 Sen, 32881 Sen-Seq
INFO: tmat.c(206): Reading HMM transition probability matrices: /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/transition_matrices
INFO: acmod.c(124): Attempting to use SCHMM computation module
INFO: ms_gauden.c(198): Reading mixture gaussian parameter: /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/means
INFO: ms_gauden.c(292): 1 codebook, 3 feature, size: 
INFO: ms_gauden.c(294):  512x13
INFO: ms_gauden.c(294):  512x13
INFO: ms_gauden.c(294):  512x13
INFO: ms_gauden.c(198): Reading mixture gaussian parameter: /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/variances
INFO: ms_gauden.c(292): 1 codebook, 3 feature, size: 
INFO: ms_gauden.c(294):  512x13
INFO: ms_gauden.c(294):  512x13
INFO: ms_gauden.c(294):  512x13
INFO: ms_gauden.c(354): 0 variance values floored
INFO: s2_semi_mgau.c(904): Loading senones from dump file /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/sendump
INFO: s2_semi_mgau.c(928): BEGIN FILE FORMAT DESCRIPTION
INFO: s2_semi_mgau.c(991): Rows: 512, Columns: 6138
INFO: s2_semi_mgau.c(1023): Using memory-mapped I/O for senones
INFO: s2_semi_mgau.c(1294): Maximum top-N: 4 Top-N beams: 0 0 0
INFO: dict.c(320): Allocating 4111 * 20 bytes (80 KiB) for word entries
INFO: dict.c(333): Reading main dictionary: /var/mobile/Containers/Data/Application/530E1CD4-840F-4D4D-95D9-ABB9F30B202F/Library/Caches/NameIWantForMyLanguageModelFiles.dic
INFO: dict.c(213): Allocated 0 KiB for strings, 0 KiB for phones
INFO: dict.c(336): 6 words read
INFO: dict.c(342): Reading filler dictionary: /private/var/mobile/Containers/Bundle/Application/DF8AF024-0948-44C8-A1D9-F4AB45F1B4F9/OpenEarsTest.app/AcousticModelEnglish.bundle/noisedict
INFO: dict.c(213): Allocated 0 KiB for strings, 0 KiB for phones
INFO: dict.c(345): 9 words read
INFO: dict2pid.c(396): Building PID tables for dictionary
INFO: dict2pid.c(406): Allocating 46^3 * 2 bytes (190 KiB) for word-initial triphones
INFO: dict2pid.c(132): Allocated 25576 bytes (24 KiB) for word-final triphones
INFO: dict2pid.c(196): Allocated 25576 bytes (24 KiB) for single-phone word triphones
INFO: ngram_model_arpa.c(79): No \data\ mark in LM file
INFO: ngram_model_dmp.c(166): Will use memory-mapped I/O for LM file
INFO: ngram_model_dmp.c(220): ngrams 1=7, 2=9, 3=6
INFO: ngram_model_dmp.c(266):        7 = LM.unigrams(+trailer) read
INFO: ngram_model_dmp.c(312):        9 = LM.bigrams(+trailer) read
INFO: ngram_model_dmp.c(338):        6 = LM.trigrams read
INFO: ngram_model_dmp.c(363):        4 = LM.prob2 entries read
INFO: ngram_model_dmp.c(383):        5 = LM.bo_wt2 entries read
INFO: ngram_model_dmp.c(403):        2 = LM.prob3 entries read
INFO: ngram_model_dmp.c(431):        1 = LM.tseg_base entries read
INFO: ngram_model_dmp.c(487):        7 = ascii word strings read
INFO: ngram_search_fwdtree.c(99): 4 unique initial diphones
INFO: ngram_search_fwdtree.c(148): 0 root, 0 non-root channels, 12 single-phone words
INFO: ngram_search_fwdtree.c(186): Creating search tree
INFO: ngram_search_fwdtree.c(192): before: 0 root, 0 non-root channels, 12 single-phone words
INFO: ngram_search_fwdtree.c(326): after: max nonroot chan increased to 138
INFO: ngram_search_fwdtree.c(339): after: 4 root, 10 non-root channels, 11 single-phone words
INFO: ngram_search_fwdflat.c(157): fwdflat: min_ef_width = 4, max_sf_win = 25
2015-05-07 16:09:25.299 OpenEarsTest[7002:2781772] Restoring SmartCMN value of 49.027588
2015-05-07 16:09:25.299 OpenEarsTest[7002:2781772] Listening.
2015-05-07 16:09:25.300 OpenEarsTest[7002:2781772] Project has these words or phrases in its dictionary:
A
A(2)
OTHER
PHRASE
STATEMENT
WORD
2015-05-07 16:09:25.301 OpenEarsTest[7002:2781772] Recognition loop has started
2015-05-07 16:09:25.322 OpenEarsTest[7002:2781753] Pocketsphinx is now listening.
2015-05-07 16:09:25.706 OpenEarsTest[7002:2781774] Speech detected...
2015-05-07 16:09:25.707 OpenEarsTest[7002:2781753] Pocketsphinx has detected speech.
2015-05-07 16:09:30.045 OpenEarsTest[7002:2781753] Stopping listening.
INFO: ngram_search.c(462): Resized backpointer table to 10000 entries
INFO: ngram_search_fwdtree.c(432): TOTAL fwdtree 0.00 CPU nan xRT
INFO: ngram_search_fwdtree.c(435): TOTAL fwdtree 0.00 wall nan xRT
INFO: ngram_search_fwdflat.c(176): TOTAL fwdflat 0.00 CPU nan xRT
INFO: ngram_search_fwdflat.c(179): TOTAL fwdflat 0.00 wall nan xRT
INFO: ngram_search.c(307): TOTAL bestpath 0.00 CPU nan xRT
INFO: ngram_search.c(310): TOTAL bestpath 0.00 wall nan xRT
2015-05-07 16:09:30.663 OpenEarsTest[7002:2781753] No longer listening.
2015-05-07 16:09:30.667 OpenEarsTest[7002:2781753] Pocketsphinx has stopped listening.
2015-05-07 16:09:30.708 OpenEarsTest[7002:2781787] Audio route has changed for the following reason:
2015-05-07 16:09:30.713 OpenEarsTest[7002:2781787] There was a category change. The new category is AVAudioSessionCategoryPlayAndRecord
2015-05-07 16:09:30.720 OpenEarsTest[7002:2781787] This is not a case in which OpenEars notifies of a route change. At the close of this function, the new audio route is ---Headphones---. The previous route before changing to this route was <AVAudioSessionRouteDescription: 0x17647190, 
inputs = (
    "<AVAudioSessionPortDescription: 0x17647790, type = MicrophoneBuiltIn; name = iPhone Microphone; UID = Built-In Microphone; selectedDataSource = Bottom>"
); 
outputs = (
    "<AVAudioSessionPortDescription: 0x17652f40, type = Headphones; name = Headphones; UID = Wired Headphones; selectedDataSource = (null)>"
)>.
2015-05-07 16:09:32.863 OpenEarsTest[7002:2781753] (null)
2015-05-07 16:09:32.935 OpenEarsTest[7002:2781753] There was no audio string set. Error:
Error Domain=NSOSStatusErrorDomain Code=-10875 "The operation couldn’t be completed. (OSStatus error -10875.)"

[chymel]

Do you have any idea from the debug log what could be happening?

[Halle Winkler]

I would assume it has something to do with whatever calls startPlayback: since that stops SaveThatWave and it isn’t evident from the code above what makes use of it.

I would first do the implementation that is identical to the known-to-work tutorial implementation, verify that it works for you (if it doesn’t work for you, there is something different from the tutorial), and then check what is different in your implementation.

[chymel]

Shouldn’t calling

[self.saveThatWaveController stop];

Cause this delegate method to fire?

- (void) wavWasSavedAtLocation:(NSString *)location

startPlayback: is just a simple button on screen to test stopping and playing back the audio file.

[chymel]

Do you have a working demo project I can try? I’ve done the implementation identical to the known-to-work tutorial implementation. In that the voice recognition works fine but I’m never able to get an audio recording. I can’t even get

- (void) wavWasSavedAtLocation:(NSString *)location

to fire.

[Halle Winkler]

Shouldn’t calling

[self.saveThatWaveController stop];

Cause this delegate method to fire?

– (void) wavWasSavedAtLocation:(NSString *)location

No, stopping SaveThatWave stops it – it will cease to make recordings.

After you start SaveThatWave, it will naturally call the delegate method on its own after any speech segment that was perceived by OEPocketsphinxController is complete – they are delegate callbacks because they are called by OpenEars, not by your implementation.

Sorry, the tutorial is the sample project. I think things will work fine for you if you create a new project which has nothing but the exact instructions from the tutorial without any added code.

[chymel]

Ooooooooooooooo *facepalm* I see how it works now.

I was under the assumption that you had to call the start, then stop to get a kickback that the audio was saved. So you would end up with a big chunk of audio recording. I didn’t realize that every time it heard something, analyzed it, it would then save that specific bit of audio. Makes complete sense now. ha!

Thank you very much again for your help!!!

[Halle Winkler]

Certainly, I’m happy to have cleared it up.

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