Conventional multi channel speech communication recording systems consist of analog or digitaltaperecorder with large size and costs.
传统的多通道通信记录设备是由模拟磁带机或数字磁带机构成，设备庞大复杂，价格高昂。
2
The paper also gives a brief discussion about the possibility of the application of the cassette taperecorder and digitaltaperecorder in broadcastings.
文章还简要地讨论了盒式录音机和数字录音机在广播中应用的前景。
3
This invention will apply to large capacity digital image memory of digital hard disk recorder, digitaltaperecorder and optical disk recorder and the like.