Method and device for determining debugging parameters of voice link parameter equalizer
A technology for debugging parameters and equalizers, which is applied in the field of communication and can solve the problems of inflexible debugging, increased overall complexity, and fixed number of subbands.
Active Publication Date: 2018-06-01
CHINA ACAD OF TELECOMM TECH
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Problems solved by technology
[0006] (1) The number of sub-bands is fixed, and the debugging is inflexible: the more sub-bands are divided, the sharper the adjustment peak, the smaller the debugging range of a single sub-band, and the overall complexity increases; the less the sub-bands are divided, the adjusted The peak is relatively wide. When there are many frequency bands to be adjusted, the adjustment accuracy cannot meet the requirements.
[0007] (2) Multi-parameter manual debugging, low efficiency: In the actual test process, if you encounter some extreme situations, due to the complicated relationship between the parameter adjustment amount and the frequency response change amount, each parameter may need multiple adjustments to get Good results, resulting in very low test efficiency
[0009] Therefore, the current method of manually debugging the voice link parametric equalizer and determining the tuning parameters of the voice link parametric equalizer is relatively low in efficiency and low in accuracy
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[0061] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0062] The embodiment of the present invention provides a method for determining the debugging parameters of the voice link parametric equalizer. In this method, the voice link parametric equalizer debugging parameters can be automatically updated according to the preset frequency response and / or target frequency response, without Additional manual tuning of the voice link parametric equalizer is required, so users do not need any basic audio knowledge and parameter tuning experience. The tuning efficiency is high, and there is no limit to the number of frequency bands to be tuned and the parameters of each band to be tuned. More accurate debugging parameters can be obtained by usin...
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The invention provides a method and device for determining debugging parameters of a voice link parameter equalizer. The method comprises the steps of: obtaining to-be-debugged frequency response dataand target frequency response; determining gain adjustment directions, in which gains corresponding to various frequency points in the to-be-debugged frequency response data are adjusted to the frequency point gain corresponding to the target frequency response; according to the gain adjustment directions of the various frequency points, dividing at least one to-be-debugged frequency band; and, for each to-be-debugged frequency band in at least one to-be-debugged frequency band, separately selecting a filter in the voice link parameter equalizer, and determining the debugging parameters of the filter in the voice link parameter equalizer. By means of the scheme provided in the invention, the accuracy of determining the debugging parameters of the voice link parameter equalizer can be improved.
Description
technical field [0001] The invention relates to the technical field of communication, in particular to a method and a device for determining debugging parameters of a voice link parametric equalizer. Background technique [0002] With the development of communication technology, it is necessary to test the frequency response of voice signals in the uplink and downlink of voice communication, so as to improve the reliability of voice communication. [0003] During testing of the frequency response of speech signals, the frequency response of speech signals needs to meet strict frequency response limits, such as the 3rd Generation Partnership Project (3 rd In the generation partnership project (3GPP) communication system (Telecommunications System, TS) 26.131, the frequency response of narrowband voice signals of handheld and head-mounted terminals needs to meet figure 1 The frequency response shown limits the envelope requirements. However, due to the influence of various ...
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IPC IPC(8): H04L25/03
CPCH04L25/03057H04L25/03878
Inventor 印晶晶
Owner CHINA ACAD OF TELECOMM TECH