TWM578861U - Sound-recording device - Google Patents

Abstract

The present invention provides a recording device comprising: a first transmission unit and a switching control unit; a sound quality sampling and codec unit and a second transmission unit; a data access unit and a data writing unit; and a memory And the first digital audio signal of the at least one electronic device (the wired connection mode is a USB Audio serial bus digital audio signal, and the wireless connection mode is a Bluetooth Audio Profiles Bluetooth signal) is transmitted from the first transmission unit to the switching control a unit, the sound quality sampling and codec unit is electrically connected to the switching control unit and receives the first digital sound source signal (the wired connection mode is a USB Audio serial bus digital audio signal, and the wireless connection mode is Bluetooth Audio Profiles Bluetooth) The sound source signal is converted into a first digital audio signal (I2S signal) and a first analog audio signal, and the second analog audio signal of the at least one audio receiving and transmitting device is converted into a second digital audio signal by the sound quality sampling and codec unit ( I2S signal), and the data writing unit receives the first digital audio signal (I2S signal) and the second The digital audio signal (I2S signal) is transmitted to the data writing unit and then written to the memory unit, whereby the first digital sound source signal of the electronic device (the wired connection method is a USB Audio serial bus digital audio signal, wireless) The connection mode is Bluetooth Audio Profiles, which can be converted into the first analog source signal and transmitted to the audio receiving and transmitting device for the call, and the first The digital audio signal (I2S signal) and the second digital audio signal (I2S signal) can be transmitted to the data writing unit according to the control and stored in the memory unit, and can be controlled by the switching control unit to perform the memory unit through the data access unit. Data access, and thus the recording device can select recording or data access according to requirements and is convenient to carry and save the effect of developing an application.

Description

Recording device

This creative department is about a recording device that can select recording or data access according to requirements and is convenient to carry and save development applications.

With the advancement of communication technology, the services or business activities provided by various application communication devices are becoming more and more popular, and the network communication applications of both parties and multi-party conferences are becoming more and more popular, and in the process of contacting or confirming matters, the telephone recording system is As a simple and indispensable means of depositing and recording, especially the use of electronic devices such as mobile phones, lithographs, laptops or computers has become more and more popular, and when electronic devices are used in general, The record of the conversation content is often inconvenient for the recording of the conversation due to the use of the occasion, even because it is recorded by handwriting or other methods and ignores the focus of the conversation, such as walking or driving. There is a need to record important information. The user of the electronic device may be in danger of being accidentally paused while writing or writing with both hands. Currently, there are many systems that can record the electronic device during normal calls, such as an application. No.: 98209349, patent name: can record any handheld phone and wireless phone device microphone microphone And application number: 86219765, patent name: recording device for hands-free mobile phone, but the above two cases all output analog signals from the headphone jack, and can not directly record the call of the network communication application, and There will be distortion of the sound source or sound interruption, which is also limited in transmission. Wired transmission, and there is no light-weight and convenient recording device on the market that can directly record the call of the network communication application. If you need to record, you need to install an application or amplify the sound and hold another recording device. To record, which makes it very inconvenient to record and carry. If you want to use the electronic device to record the network communication application, you need to develop the recording program for the network communication application, but the recording program is It is necessary to develop the code for the network communication application, which is costly and difficult to implement. Moreover, the network communication application does not necessarily open the development kit or the application interface to external developers for its program. For function development, the existing analog audio recording is usually an analog audio signal directly output from the earphone hole of the electronic device or an analog audio signal directly converted from the USB Audio output of the electronic device. Analog audio recording has the following disadvantages:

1. Easy to distort and need to match.

2. Easy to be disturbed.

3. It is easy to have a drop or a leak.

4. The volume of sound cannot be balanced, and it is easy to whisper.

Therefore, how to improve the above-mentioned missing problems is the technical difficulty point that the creators of this case want to solve.

In order to effectively solve the above problems, the main purpose of the present invention is to provide a digital recording device that can select recording or data access according to requirements and is convenient to carry and save development applications.

To achieve the above objective, the present invention provides a recording apparatus comprising: a first transmission unit and a switching control unit, a sound quality sampling and codec unit, and a second transmission list. And a data access unit and a data writing unit and a memory unit, wherein the first transmission unit is connected to at least one electronic device by wire or wirelessly, and the second transmission unit is wired or wireless Connecting at least one audio receiving and transmitting device to perform a call and recording operation, wherein the recording device transmits a first digital sound source signal to the first transmission unit by the electronic device, and the first transmission unit receives the first a digital audio signal is transmitted to the sound quality sampling and codec unit, and the second analog audio signal generated by the audio receiving and transmitting unit is transmitted to the second transmission unit, and the second transmission unit receives the second analog audio signal. Transmitted to the sound quality sampling and codec unit, the sound quality sampling and encoding and decoding unit performs sound quality sampling on the first digital sound source signal and the second analog sound source signal, and the sound quality sampling and encoding and decoding unit can effectively avoid distortion and generate high Parsing the sound quality, the sound quality sampling and codec unit converts the sampled first digital sound source signal into the first a digital audio signal (I2S signal) and a first analog audio signal, the sound quality sampling and encoding and decoding unit converts the second analog audio signal into a sampled second digital audio signal (I2S signal) and a second digital audio signal. At this time, if the user does not turn on the recording function, the output mode is switched to the normal sound source. If the user turns on or off the recording function by turning on the termination switch, the sound quality sampling is detected when the startup switch is activated to detect the recording function. And the codec unit transmits the converted first digital audio signal (I2S signal) and the second digital audio signal (I2S signal) to the data writing unit, and the data writing unit transmits the first digital audio signal (I2S signal) And the second digital audio signal (I2S signal) is synthesized into a digital data stored in the memory unit until the recording start termination switch issues the recording termination information, and can be switched by a device function switching switch to the memory reading mode through the data access. The unit performs data access behavior of the memory unit, thereby achieving that the recording device can select recording or data access according to requirements Easy to carry and save the efficacy of those who develop applications.

According to an embodiment of the present recording device, the second transmission unit receives the first analog sound source signal and transmits it to the audio receiving and transmitting device, and the second transmission unit can also receive the audio receiving device from the audio receiving device. The second analog sound source signal is transmitted to the sound quality sampling and codec unit and converted into the second digital sound source signal (the wired connection method is a USB Audio serial bus digital audio signal, and the wireless connection method is a Bluetooth Audio Profiles Bluetooth sound source signal). The second digital sound source signal is transmitted to the first transmission unit and then transmitted to the electronic device.

According to an embodiment of the present recording device, there is further included a recording start termination switch, the recording on termination switch is electrically connected to the sound quality sampling and codec unit, and the sound quality sampling and codec unit receives the recording on and off. Turning on or off information of the switch and issuing a store or terminating the store command to the data writing unit, and the data writing unit integrates the first digital audio signal (I2S signal) and the second digital audio signal (I2S signal) The digital data is stored in the memory unit.

According to an embodiment of the present recording apparatus, the switching control unit is electrically connected to the sound quality sampling and decoding unit and the data access unit, and the switching control unit is electrically connected to another device function switching switch, and the function switching switch can be The function mode of connecting the sound source mode of the sound quality sampling and decoding unit or the memory reading mode of the data access unit is performed.

According to an embodiment of the present invention, the data access unit is electrically connected to the switching control unit, and the memory unit is electrically connected to the switching control unit via the data access unit, and The data access unit reads the first digital audio signal and the second digital audio signal or the converted digital data in the memory unit.

According to an embodiment of the present recording device, the data writing unit is electrically connected with a warning component, and the notification of the data writing and the memory are written at the same time of data writing. When an abnormality occurs in the body unit, a warning signal such as a light number and a sound form are issued.

According to an embodiment of the present recording device, the first transmission unit and the second transmission unit are wired or wireless transmission units.

According to an embodiment of the present recording device, the electronic device is a device that can transmit audio and can be electrically connected to the first transmission unit, such as a mobile phone, a lithographic computer, a laptop, or a computer.

According to an embodiment of the present recording device, the audio receiving and transmitting device is a device that can transmit and receive audio and is electrically connected to the second outgoing unit, such as an earphone or a Bluetooth headset or a speaker.

1‧‧‧recording device

11‧‧‧First transmission unit

12‧‧‧Switch control unit

121‧‧‧Device function switch

13‧‧‧Sound quality sampling and codec unit

131‧‧‧Recording turn-on switch

14‧‧‧Second transmission unit

15‧‧‧data access unit

16‧‧‧data writing unit

161‧‧‧Warning components

17‧‧‧ memory unit

2‧‧‧Electronic devices

3‧‧‧Audio receiving transmitter

Figure 1 is a block diagram of a preferred embodiment of the present invention.

Figure 2 is a perspective view of a preferred embodiment of the present invention.

Figure 3 is a perspective view of a preferred embodiment of the present invention.

Figure 4 is a block diagram of a preferred embodiment of the present invention.

Figure 5 is a block diagram 2 of a preferred embodiment of the present invention.

Figure 6 is a block diagram 3 of a preferred embodiment of the present invention.

Please refer to FIG. 1 to FIG. 3 , which are a block diagram, a perspective view 1 and a perspective view 2 of a preferred embodiment of the present invention. It can be clearly seen from the figure that the recording device 1 includes a first a transmission unit 11 and a switching control unit 12 and a sound quality sampling and codec unit 13 and a second transmission unit 14 and a data access unit 15 and a data write The first transmission unit 11 is a wired or wireless transmission unit, and the first transmission unit 11 is electrically connected to at least one electronic device 2, and the electronic device 2 can be a mobile phone. A lithographic computer, a laptop or a computer, etc., which can transmit audio and can be electrically connected to the first transmission unit 11, and the first transmission unit 11 is a wired or wireless transmission unit, and the digital signal transmitted by the cable is a USB Audio digit. The serial transmission source signal, the wireless transmission source signal is Bluetooth Audio Profiles Bluetooth digital audio signal, the wired transmission unit can be USB, Type-C, Lightning and other digital signal transmission interface, and the wireless transmission unit can be blue a bud transmission interface, and the second transmission unit 14 is electrically connected to at least one audio receiving and transmitting device 3, and the audio receiving and transmitting device 3 can transmit and receive audio for a headset or a Bluetooth headset or a horn or an in-car Bluetooth. The device is electrically connected to the second transmission unit 14, and the second transmission unit 14 is a wired or wireless audio source signal transmission, and the wired transmission is an analog audio signal, and the wireless transmission is performed. Bluetooth Audio Profiles is the number of Bluetooth-bit audio signal.

The switching control unit 12 is electrically connected to the first transmission unit 11 and the sound quality sampling and encoding and decoding unit 13 and the data access unit 15, and the switching control unit 12 is electrically connected to the device function switching switch 121. The switching control unit 12 and the sound quality sampling and codec unit 13 and the data writing unit 16 and the data access unit 15 can be separate wafer units or integrated into one integrated circuit or system single-chip SoC unit. .

The sound quality sampling and encoding and decoding unit 13 is electrically connected to the switching control unit 12 and the second transmission unit 14 and the data writing unit 16, and the sound quality sampling and encoding and decoding unit 13 is electrically connected to a recording open. The switch 131 is terminated.

The memory unit 17 is electrically connected to the data access unit 15 and The data writing unit 16 is electrically connected to a warning component 161. The memory unit 17 can be a storage component such as an SD card in the built-in recording device 1 or externally connected to the recording device 1.

Please refer to the foregoing drawings and the fourth and fifth figures, which are schematic diagrams of the first and second blocks of the preferred embodiment of the present invention. When the user uses the recording device, the first transmission unit 11 can be After the electronic device 2 is wired or wirelessly connected, the call receiving behavior is transmitted through the audio receiving and transmitting device connected to the electronic device 2, and the audio source switching output mode or the memory reading mode (OTG/) may be selected first by the operation of the device function switching switch 121. In the present embodiment, the audio source switching output mode is selected, and the electronic device 2 sends a call audio to the first digital audio signal transmitted to the first transmission unit 11 (the wired connection method is The USB Audio serial bus digital audio signal, the wireless connection mode is a Bluetooth Audio Profiles, the first transmission unit 11 receives the first digital audio signal (the wired connection is a USB Audio serial bus digital audio source) The signal, the wireless connection method is Bluetooth Audio Profiles, and then transmitted to the sound quality sampling and codec unit 13, the second transmission list The element 14 receives the second analog sound source signal and transmits the signal to the sound quality sampling and encoding and decoding unit 13. The sound quality sampling and encoding and decoding unit 13 is connected to the first digital sound source signal (the wired connection method is a USB Audio serial bus digital position). The sound source signal, the wireless connection mode is Bluetooth Audio Profiles, and the second analog signal source performs sound quality sampling, which can effectively avoid distortion and generate high-resolution sound quality, and the sound quality sampling and codec unit 13 samples the first digit after sampling. The audio signal (the wired connection method is the USB Audio serial bus digital audio signal, the wireless connection method is the Bluetooth Audio Profiles Bluetooth signal) is converted into the first digital audio signal (I2S signal) and the first analog audio signal, and the first Second class ratio source The signal is converted into a second digital audio signal (I2S signal) and a second digital audio signal (the wired connection method is a USB Audio serial bus digital audio signal, and the wireless connection method is a Bluetooth Audio Profiles Bluetooth signal source), and at this time The user can turn on or off the recording function by the operation of the recording start termination switch 131. If the user does not turn on the recording function, the output mode is switched to the normal audio source. When the recording function of the activation switch 131 is detected, the sound quality is detected. The sampling and encoding and decoding unit 13 transmits the converted first digital audio signal (I2S signal) and the second digital audio signal (I2S signal) to the data writing unit 16, and the data writing unit 16 transmits the first digital audio signal ( The I2S signal and the second digital audio signal (I2S signal) are integrated into a digital data stored in the memory unit 17, until the recording start termination switch 131 issues the recording termination information, and the recording storage function of the recording device 1 can be directly completed. No need to develop an application for the network communication application to install on the electronic device 2, thereby saving development application The effector, wherein the data writing unit 16 receives the first digital audio signal and the second digital audio signal, the warning component 161 generates an alert signal such as a warning tone or an alert light to inform the recording that the recording is in progress.

When the recording device 1 switches to the general audio source conversion output mode for the call behavior, the sound quality sampling and encoding and decoding unit 13 will use the first digital sound source signal (the wired connection method is a USB Audio serial bus digital audio signal, and the wireless connection method is Bluetooth Audio). The first analog audio signal is converted to the first transmission unit 14 and the second transmission unit 14 transmits the first analog audio signal to the audio receiving and transmitting device 3. In contrast, if the user When the audio receiving and transmitting device 3 generates a second analog audio signal, the second analog audio signal is transmitted to the sound quality sampling and encoding and decoding unit 13 via the second transmission unit 14, and the sound quality sampling and encoding and decoding unit 13 The second analog sound source signal Converting to a second digital sound source signal (the wired connection mode is a USB Audio serial bus digital sound source signal, the wireless connection mode is a Bluetooth Audio Profiles Bluetooth sound source signal) and transmitting to the first transmission unit 11 and then transmitting via the first transmission The unit 11 is transmitted to the electronic device 2, so that the user can receive the transmitting device 3 and the recording device 1 via the audio to achieve the purpose of the call.

Referring to the foregoing drawings and FIG. 6 , FIG. 3 is a block diagram of the preferred embodiment of the present invention. The user can select the audio source conversion output mode or the memory read mode by first controlling the device function switch 118 . In the embodiment, the memory reading mode (OTG/CARD READER mode) is selected, and the user can manipulate the data access unit 15 to access the memory via the electronic device 2. The information stored in the unit 17 is further improved, and the recording device 1 can select the function of recording or data access and convenient carrying. When the memory unit of the recording device 1 is abnormal, the warning component 161 generates a warning signal, for example. A warning tone or warning light informs the anomaly.

It should be noted that the above is only the preferred embodiment of the present case and is not intended to limit the creation. If the changes made in accordance with the concept of the creation are within the scope of the spirit of the creation, for example, for the configuration or arrangement The type is transformed, and the equivalent effect of various changes, modifications and applications shall be included in the scope of the case and shall be combined with Chen Ming.

Claims (10)

A recording device includes: a first transmission unit, the first transmission unit is connected to at least one electronic device, the electronic device generates at least one first digital sound source signal; and a switching control unit, the switching control unit is electrically connected The first transmission unit receives the first digital sound source signal; a sound quality sampling and codec unit, the sound quality sampling and codec unit is electrically connected to the switching control unit and receives the first digital sound source signal and converts a first digital audio signal (I2S signal) and a first analog audio signal, and the sound quality sampling and codec unit transmits the first analog audio signal to an audio receiving and transmitting device via the second transmission unit, and the audio receiving and transmitting The device may generate a second analog audio signal to the sound quality sampling and codec unit, and the sound quality sampling and codec unit converts the second analog sound source signal into a second digital sound source signal and a second digital audio signal (I2S) a signal), and the sound quality sampling and codec unit passes the first via the switching control unit and the first transmission unit The second digit sound source signal is transmitted to the electronic device; a second transmission unit electrically connected to the sound quality sampling and codec unit and an audio receiving and transmitting device, and the second transmission unit receives and transmits the first analogy a sound source signal and a second analog sound source signal; a data access unit electrically connected to the switching control unit and the memory unit; a data writing unit, the data writing unit electrically connecting the sound quality a sampling and codec unit and a memory unit, the data writing unit receives the first digital audio signal and the second digital audio signal and stores the same to the memory unit; a memory unit, the memory unit is electrically connected Data access unit and data write a unit, wherein the data writing unit performs a storage behavior on the memory unit, and the data access unit can perform a data access behavior on the memory unit. The recording device of claim 1, further comprising a recording start termination switch, wherein the recording start termination switch is electrically connected to the sound quality sampling and codec unit to control the first digital audio signal and the second The digital audio signal begins to be stored or terminated in the memory unit. The recording device of claim 1, wherein the switching control unit is electrically connected to a device function switch to perform an interactive switching behavior of a sound source conversion output mode or a memory reading mode (OTG/CARD READER mode). . The recording device of claim 1, wherein the data access unit is electrically connected to the switching control unit and the memory unit, and the data access unit can perform data access behavior on the memory unit. . The recording device of claim 1, wherein the data writing unit is electrically connected to a warning component, and sends a notification in the data writing while the data is being written, and is issued when an abnormality occurs in the memory unit. Warning signals such as warning lights and warning tones. The recording device of claim 1, wherein the first transmission unit and the second transmission unit are wired or wireless transmission units. The recording device of claim 6, wherein the first and second digits of the audio signal are USB Audio serial bus when the first transmission unit and the second transmission unit are wired. The digital audio signal, and when connected wirelessly, the first digital audio signal and the second digital audio signal are Bluetooth Audio Profiles Bluetooth audio signal. The recording device of claim 1, wherein the first digital audio signal and the second digital audio signal are I2S signals. The recording device of claim 1, wherein the electronic device is a device that can transmit audio and can be electrically connected to the first transmission unit, such as a mobile phone, a lithographic computer, a laptop or a computer. The recording device of claim 1, wherein the audio receiving and transmitting device is a headset or a Bluetooth headset or a speaker or an in-vehicle Bluetooth, and can transmit and receive audio and is electrically connected to the second outgoing unit. Device.