CN109147822A - System and method for VOLTE voice recording and speech quality evaluation - Google Patents
System and method for VOLTE voice recording and speech quality evaluation Download PDFInfo
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- CN109147822A CN109147822A CN201811256584.3A CN201811256584A CN109147822A CN 109147822 A CN109147822 A CN 109147822A CN 201811256584 A CN201811256584 A CN 201811256584A CN 109147822 A CN109147822 A CN 109147822A
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- 238000013441 quality evaluation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000012792 core layer Substances 0.000 claims abstract description 61
- 239000010410 layer Substances 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 235000021186 dishes Nutrition 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000013459 approach Methods 0.000 abstract description 3
- 239000013256 coordination polymer Substances 0.000 description 7
- 241000209094 Oryza Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001303 quality assessment method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
- G10L25/60—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for measuring the quality of voice signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2236—Quality of speech transmission monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42221—Conversation recording systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
Abstract
The present invention relates to a kind of systems for VOLTE voice recording and speech quality evaluation, including apply layer subsystem, are used for transmission voice audio data and calculate data and analyze；Core layer subsystem, for managing voice audio data；It include APP application module using layer subsystem, for assessing voice quality；Audio file management module, for carrying out the transmission of AMR data with core layer subsystem.The invention further relates to a kind of methods for realizing VOLTE voice recording and speech quality evaluation control based on the system.Using the system and method, tradition is evaded by interference of the environment to audio caused by Mic mouthfuls of recording modes；Audio data directly enrolls audio by opening internal voice channel, and without the audio coding decoding of AP subsystem, evading may the thus influence caused by audio；Traditional approach audio needs the encoding and decoding by AMR format, and the standard of AMR format has several hundred kinds, and implementation is complicated.
Description
Technical field
The present invention relates to field of audio processing more particularly to speech quality evaluation recording technology field, in particular to one kind
System and method for VOLTE voice recording and speech quality evaluation.
Background technique
Traditional VOLTE Speech Assessment test method is that VOLTE call is first established between two mobile phones, and then one end plays
Standard audio file, one end receive audio file and are recorded by Mic mouthfuls, and after end of conversation, admission is arrived in receiving end
Audio compared with standard audio, and then voice quality is assessed.
Receiving end recording is carried out by the MIC interface of mobile phone, and the audio that this admission mode is enrolled have passed through sound
The encoding and decoding of frequency, and it is highly susceptible to the interference of ambient enviroment, audio quality will receive influence, and then influence voice quality
Assessment result.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned prior art, provide a kind of direct by internal audio frequency channel
Record, evade outside environmental elements to the interference of audio, audio signal do not suffer a loss for VOLTE voice recording and voice matter
Measure the system and method for assessment.
To achieve the goals above, system and its side for VOLTE voice recording and speech quality evaluation of the invention
Method is as follows:
The system of the VOLTE voice recording and speech quality evaluation, is mainly characterized by, and the system includes:
Using layer subsystem, it is used for transmission voice audio data and data is calculated and analyze；
Core layer subsystem is connected, for managing voice audio data using layer subsystem with described.
Preferably, described includes: using layer subsystem
APP application module is connected, for assessing voice quality with the core layer subsystem；
Audio file management module is connected with the core layer subsystem, for carrying out AMR with core layer subsystem
Data transmission.
Preferably, the core layer subsystem includes:
Voice management module is connected using layer subsystem with described, is used for transmission AMR data；
System TCP/IP service layer is connected with the voice management module, is used for data in IP data and AMR number
It is converted between；
Physical layer is connected, for AMR data to be encapsulated as IP data with the system TCP/IP service layer.
Preferably, the system is based on LC1860 chip platform.
The method of the VOLTE voice recording and speech quality evaluation, is mainly characterized by, and the method includes following step
It is rapid:
(1) application layer subsystem and core layer subsystem described in establish VOLTE call；
(2) reading local standard voice audio data using layer subsystem and being sent to the core layer subsystem described in
System, the core layer subsystem carries out AMR coding to data, and is eating dishes without rice or wine to be sent to opposite end；
(3) core layer subsystem described in, which receives data and reports to by AMR decoding, described applies layer subsystem, institute
The application layer subsystem stated reads data and is locally saving as audio file；
(4) calculating analysis is carried out to the audio file by APP application module using layer subsystem described in, and is shown
Show voice quality scores.
Preferably, send data to core layer subsystem using layer subsystem in the step (2), specifically include with
Lower step:
(2.1) the application layer subsystem described in opens channel, empties the Buffer of core layer subsystem, inquires core straton
The Buffer state of system；
(2.2) the core layer subsystem described in fills Buffer, and judges whether that filling finishes, if it is, continuing to walk
Suddenly (2.3)；Otherwise Buffer is continued to fill up；
(2.3) the application layer subsystem described in sends PCM data to core layer subsystem；
(2.4) it inquires the Buffer state of the core layer subsystem and fills Buffer, judge the application layer
Whether subsystem, which sends data, finishes, and the core layer subsystem is if it is notified to be sent, and empties the core
The Buffer of central layer subsystem；Otherwise, continue step (2.3).
Preferably, the core layer subsystem in the step (3) receives data, specifically includes the following steps:
(3.1) the core layer subsystem described in opens channel；
(3.2) the core layer subsystem described in receives the data sent using layer subsystem；
(3.3) the core layer subsystem described in exits transmission.
Using the system and method for VOLTE voice recording and speech quality evaluation, tradition is evaded and has passed through
Interference of the environment to audio caused by Mic mouthfuls of recording modes；Audio data directly enrolls audio by opening internal voice channel,
Without the audio coding decoding of AP subsystem, evading may the thus influence caused by audio；Traditional approach audio need by
The encoding and decoding of AMR format, and the standard of AMR format has several hundred kinds, implementation is complicated.Data directly by internal admission are equal
The PCM format taken, only there are two types of standard, code/decode format is simply easily realized.
Detailed description of the invention
Fig. 1 is the VOLTE Speech Assessment test method schematic diagram of the prior art.
Fig. 2 is the general frame figure of the system of VOLTE voice recording and speech quality evaluation of the invention.
Fig. 3 is that the end AP of the method for VOLTE voice recording and speech quality evaluation of the invention sends data to the end CP
Specific flow chart.
Fig. 4 is that the end CP of the method for VOLTE voice recording and speech quality evaluation of the invention receives data detailed process
Figure.
Specific embodiment
It is further to carry out combined with specific embodiments below in order to more clearly describe technology contents of the invention
Description.
The present invention provides a kind of novel VOLTE speech quality evaluation recording technologies, and audio data is without mobile phone Mic
Mouthful but by internal audio frequency channel direct recording, to evade interference of the outside environmental elements to audio, audio signal not by
Loss, and then improve the accuracy of speech quality evaluation.
The system of VOLTE voice recording and speech quality evaluation of the invention includes:
Using layer subsystem, it is used for transmission voice audio data and data is calculated and analyze；
Core layer subsystem is connected, for managing voice audio data using layer subsystem with described.
Preferably, described includes: using layer subsystem
APP application module is connected, for assessing voice quality with the core layer subsystem；
Audio file management module is connected with the core layer subsystem, for carrying out AMR with core layer subsystem
Data transmission.
Preferably, the core layer subsystem includes:
Voice management module is connected using layer subsystem with described, is used for transmission AMR data；
System TCP/IP service layer is connected with the voice management module, is used for data in IP data and AMR number
It is converted between；
Physical layer is connected, for AMR data to be encapsulated as IP data with the system TCP/IP service layer.
Preferably, the system is based on LC1860 chip platform.
In a specific embodiment of the invention, the method for the VOLTE voice recording and speech quality evaluation, including
Following steps:
(1) VOLTE call is established using layer subsystem and core layer subsystem；
(2) local standard voice audio data is read using layer subsystem and be sent to core layer subsystem, core straton
System carries out AMR coding to data, and is eating dishes without rice or wine to be sent to opposite end；
(2.1) channel is opened using layer subsystem, empties the Buffer of core layer subsystem, inquiry core layer subsystem
Buffer state；
(2.2) core layer subsystem fills Buffer, and judges whether that filling finishes, if it is, continuing step
(2.3)；Otherwise Buffer is continued to fill up；
(2.3) PCM data is sent to core layer subsystem using layer subsystem；
(2.4) it inquires the Buffer state of core layer subsystem and fills Buffer, judge whether send out using layer subsystem
It send data to finish, if it is core layer subsystem is notified to be sent, and empty the Buffer of core layer subsystem；Otherwise,
Continue step (2.3).
(3) core layer subsystem receives data and reports by AMR decoding using layer subsystem, reads using layer subsystem
Data are simultaneously locally saving as audio file；
(3.1) core layer subsystem opens channel；
(3.2) core layer subsystem receives the data sent using layer subsystem；
(3.3) core layer subsystem exits transmission.
(4) calculating analysis is carried out to the audio file by APP application module using layer subsystem, and shows voice
Quality score.
In a specific embodiment of the invention, AP subsystem is using layer subsystem, and CP subsystem is core layer subsystem,
It is speech quality evaluation application program that AP, which is applied, and Speech Manager is voice management subsystem, and TCP/IP is system TCP/
IP service layer.
System is based on LC1860 smart phone basic software, real in the new data interaction process of AP and CP subsystem definition
The transmission and preservation of existing AMR data, and increase Speech Assessment application program in AP subsystem and realize speech quality evaluation.
Transmitting uplink data process: standard audio file is read with particular sample rate and is sent to the side CP, Speech in the side AP
The AMR data sent from the side AP are transferred to TCP/IP layer by Manager, are encapsulated as IP data via bottom and are passed through Volte chain
Road is sent to opposite end.
Downlink data transmission process: it will be converted from the IP data for eating dishes without rice or wine to receive by TCP/IP layer via Volte link
For AMR data, AMR data are transferred to the side AP, save as audio file by Speech Manager.
Concrete methods of realizing in a specific embodiment of the invention the following steps are included:
(1) it is based on LC1860 chip platform.
(2) VOLTE call is established by App application between the two systems.
(3) transmitting terminal AP subsystem reads local standard voice audio data and is sent to CP subsystem, after AMR is encoded
It is eating dishes without rice or wine to send.
(4) CP subsystem in receiving end receives data and reports AP subsystem by AMR decoding, and AP subsystem reads and at this
Ground saves as audio file.
(5) voice quality scores are calculated and be shown using analyzing audio file by APP.
Using the system and method for VOLTE voice recording and speech quality evaluation, tradition is evaded and has passed through
Interference of the environment to audio caused by Mic mouthfuls of recording modes；Audio data directly enrolls audio by opening internal voice channel,
Without the audio coding decoding of AP subsystem, evading may the thus influence caused by audio；Traditional approach audio need by
The encoding and decoding of AMR format, and the standard of AMR format has several hundred kinds, implementation is complicated.Data directly by internal admission are equal
The PCM format taken, only there are two types of standard, code/decode format is simply easily realized.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (7)
1. a kind of system for VOLTE voice recording and speech quality evaluation, which is characterized in that the system includes:
Using layer subsystem, it is used for transmission voice audio data and data is calculated and analyze；
Core layer subsystem is connected, for managing voice audio data using layer subsystem with described.
2. the system according to claim 1 for VOLTE voice recording and speech quality evaluation, which is characterized in that institute
What is stated includes: using layer subsystem
APP application module is connected, for assessing voice quality with the core layer subsystem；
Audio file management module is connected with the core layer subsystem, for carrying out AMR data with core layer subsystem
Transmission.
3. the system according to claim 1 for VOLTE voice recording and speech quality evaluation, which is characterized in that institute
The core layer subsystem stated includes:
Voice management module is connected using layer subsystem with described, is used for transmission AMR data；
System TCP/IP service layer is connected with the voice management module, for by data IP data and AMR data it
Between converted；
Physical layer is connected, for AMR data to be encapsulated as IP data with the system TCP/IP service layer.
4. the system according to claim 1 for VOLTE voice recording and speech quality evaluation, which is characterized in that institute
The system stated is based on LC1860 chip platform.
5. a kind of method that VOLTE voice recording and speech quality evaluation control are realized based on system described in claim 1,
Be characterized in that, the method the following steps are included:
(1) application layer subsystem and core layer subsystem described in establish VOLTE call；
(2) the application layer subsystem described in reads local standard voice audio data and is sent to core layer subsystem, core layer
Subsystem carries out AMR coding to data, and is eating dishes without rice or wine to be sent to opposite end；
(3) the core layer subsystem described in receives data and reports by AMR decoding using layer subsystem, reads using layer subsystem
Access saves as audio file according to and local；
(4) calculating analysis is carried out to the audio file by APP application module using layer subsystem described in, and shows language
Sound quality score.
6. the method according to claim 5 for realizing VOLTE voice recording and speech quality evaluation control, feature exist
In, core layer subsystem is sent data to using layer subsystem in the step (2), specifically includes the following steps:
(2.1) the application layer subsystem described in opens channel, empties the Buffer of the core layer subsystem, inquires described
The Buffer state of core layer subsystem；
(2.2) the core layer subsystem described in fills Buffer, and judges whether that filling finishes, if it is, continuing step
(2.3)；Otherwise Buffer is continued to fill up；
(2.3) the application layer subsystem described in sends PCM data to core layer subsystem；
(2.4) it inquires the Buffer state of the core layer subsystem and fills Buffer, judge the application layer subsystem
Whether system, which sends data, finishes, and if it is core layer subsystem is notified to be sent, and empty core layer subsystem
Buffer；Otherwise, continue step (2.3).
7. the method according to claim 5 for realizing VOLTE voice recording and speech quality evaluation control, feature exist
In, the core layer subsystem in the step (3) receives data, specifically includes the following steps:
(3.1) the core layer subsystem described in opens channel；
(3.2) the core layer subsystem described in receives the data sent using layer subsystem；
(3.3) the core layer subsystem described in exits transmission.
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